/* ===== SISTEMA DE COLORES - TEMA CLARO ===== */
:root,
[data-bs-theme="light"] {
    --bs-body-bg: #f6f8fb;
    --bs-body-color: #1b2234;
    --bs-secondary-bg: #eef1f7;
    --bs-tertiary-bg: #e1e7f2;
    --bs-border-color: #d4d9e3;
    --bs-secondary-color: #5c6375;
    --bs-link-color: #1f6feb;
    --bs-link-hover-color: #1553b3;
    --surface-card: #ffffff;
    --surface-card-alt: #f4f6fc;
    --surface-border-strong: #cfd6e5;
    --text-primary: #1b2234;
    --text-secondary: #4f5566;
    --text-tertiary: #768095;
    --text-muted: #9aa3b5;
    --text-secondary-muted: #5c6375;
    --card-bg: var(--surface-card);
    --card-border: #d7dde8;
    --card-shadow: 0 18px 32px rgba(15, 23, 42, 0.07);
    --card-shadow-hover: 0 22px 38px rgba(15, 23, 42, 0.11);

    --color-primary: #1f6feb;
    --color-secondary: #475467;
    --color-accent: #148579;

    --color-success: #1f8d62;
    --color-warning: #b9711d;
    --color-danger: #c14343;
    --color-info: #1f6feb;

    --difficulty-easy-bg: rgba(31, 141, 98, 0.14);
    --difficulty-easy-color: #19694c;
    --difficulty-medium-bg: rgba(185, 113, 29, 0.16);
    --difficulty-medium-color: #8b4f0f;
    --difficulty-hard-bg: rgba(193, 67, 67, 0.15);
    --difficulty-hard-color: #9b1f2f;

    /* Exam type badges */
    --exam-type-test-bg: #e6f0fa;
    --exam-type-test-color: #2563eb;
    --exam-type-real-bg: #fff7e0;
    --exam-type-real-color: #b9711d;

    --status-completed-bg: rgba(31, 141, 98, 0.16);
    --status-completed-color: #19694c;
    --status-pending-bg: rgba(185, 113, 29, 0.14);
    --status-pending-color: #8b4f0f;
    --status-inprogress-bg: rgba(31, 111, 235, 0.14);
    --status-inprogress-color: #1f3d8d;
    --status-failed-bg: rgba(193, 67, 67, 0.14);
    --status-failed-color: #9b1f2f;

    --info-card-bg: #f0f4f8;
    --info-card-border: #d4dbe3;

    --button-primary-bg: var(--color-primary);
    --button-primary-hover: #1553b3;
    --button-outline-border: rgba(31, 111, 235, 0.32);

    --badge-soft-bg: var(--surface-card-alt);
    --badge-soft-border: var(--bs-border-color);
    --badge-radius: 999px;

    --question-map-current-bg: rgba(31, 111, 235, 0.15);
    --question-map-current-border: rgba(31, 111, 235, 0.55);
    --question-map-answered-bg: rgba(31, 141, 98, 0.14);
    --question-map-answered-border: rgba(31, 141, 98, 0.45);
    --question-map-pending-bg: rgba(99, 107, 128, 0.08);
    --question-map-flagged-bg: rgba(185, 113, 29, 0.12);

    --option-hover-bg: rgba(31, 111, 235, 0.08);
    --option-selected-bg: rgba(31, 141, 98, 0.15);
    --code-block-bg: var(--surface-card-alt);
}

/* ===== SISTEMA DE COLORES - TEMA OSCURO ===== */
[data-bs-theme="dark"] {
    --bs-body-bg: #0f172a;
    --bs-body-color: #b6c2db;
    --bs-secondary-bg: #141c2f;
    --bs-tertiary-bg: #1b2437;
    --bs-border-color: #25304a;
    --bs-secondary-color: #9aa7c1;
    --bs-link-color: #7aa2ff;
    --bs-link-hover-color: #9ab9ff;
    --surface-card: #151e2f;
    --surface-card-alt: #1e2940;
    --surface-border-strong: #2a3753;
    --text-primary: #b6c2db;
    --text-secondary: #95a1bc;
    --text-tertiary: #7d8ab0;
    --text-muted: #60708f;
    --text-secondary-muted: #a3afc9;
    --card-bg: var(--surface-card);
    --card-border: #2e3b58;
    --card-shadow: 0 22px 40px rgba(4, 8, 15, 0.75);
    --card-shadow-hover: 0 26px 48px rgba(4, 8, 15, 0.85);

    --color-primary: #5b8def;
    --color-secondary: #8da2ff;
    --color-accent: #4ecdc4;

    --color-success: #4cc38a;
    --color-warning: #f2c363;
    --color-danger: #f07c82;
    --color-info: #6bb1ff;

    --difficulty-easy-bg: rgba(76, 195, 138, 0.2);
    --difficulty-easy-color: #97f5c2;
    --difficulty-medium-bg: rgba(242, 195, 99, 0.22);
    --difficulty-medium-color: #ffd48d;
    --difficulty-hard-bg: rgba(240, 124, 130, 0.22);
    --difficulty-hard-color: #ffbcc4;

    /* Exam type badges (dark) */
    --exam-type-test-bg: #1a2336;
    --exam-type-test-color: #7aa2ff;
    --exam-type-real-bg: #2a2320;
    --exam-type-real-color: #ffd48d;

    --status-completed-bg: rgba(76, 195, 138, 0.22);
    --status-completed-color: #97f5c2;
    --status-pending-bg: rgba(242, 195, 99, 0.2);
    --status-pending-color: #ffdd9b;
    --status-inprogress-bg: rgba(91, 141, 239, 0.25);
    --status-inprogress-color: #bdd2ff;
    --status-failed-bg: rgba(240, 124, 130, 0.2);
    --status-failed-color: #ffc8ce;

    --info-card-bg: #1e2940;
    --info-card-border: #2a3753;

    --button-primary-bg: #5b8def;
    --button-primary-hover: #81a8ff;
    --button-outline-border: rgba(91, 141, 239, 0.45);

    --badge-soft-bg: rgba(255, 255, 255, 0.05);
    --badge-soft-border: rgba(255, 255, 255, 0.12);

    --question-map-current-bg: rgba(91, 141, 239, 0.22);
    --question-map-current-border: rgba(91, 141, 239, 0.9);
    --question-map-answered-bg: rgba(76, 195, 138, 0.2);
    --question-map-answered-border: rgba(76, 195, 138, 0.85);
    --question-map-pending-bg: rgba(255, 255, 255, 0.04);
    --question-map-flagged-bg: rgba(242, 195, 99, 0.22);

    --option-hover-bg: rgba(255, 255, 255, 0.07);
    --option-selected-bg: rgba(76, 195, 138, 0.24);
    --code-block-bg: #0e1728;

    --overlay-bg: rgba(5, 10, 20, 0.86);
    --hover-overlay: rgba(255, 255, 255, 0.06);
    --active-overlay: rgba(255, 255, 255, 0.08);
}

/* ===== DESIGN TOKENS Y UTILIDADES ===== */
.app-page-title {
    font-size: clamp(1.65rem, 3vw, 2.35rem);
    font-weight: 600;
    color: var(--text-primary);
}

.app-page-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    max-width: 640px;
}

.app-section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.string-list-editor__chips {
    min-height: 2.5rem;
}

.string-list-editor__chip {
    padding: 0.35rem 0.45rem;
    border-radius: 8px;
    font-size: 0.75rem;
}

.argument-rows-editor {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1rem;
    box-shadow: var(--card-shadow);
}

.argument-rows-editor__grid {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.argument-rows-editor__row,
.argument-rows-editor__adder {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.argument-rows-editor__label {
    font-weight: 600;
    white-space: nowrap;
    flex: 0 0 auto;
}

.argument-rows-editor__adder {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--card-border);
}

.app-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    box-shadow: var(--card-shadow);
}

.app-card__header {
    padding: 1.2rem 1.5rem 0.75rem;
    border-bottom: 1px solid var(--card-border);
}

.app-card__body {
    padding: 1.25rem 1.5rem;
}

.app-card--compact .app-card__body {
    padding: 1rem 1.25rem;
}

.app-badge {
    border-radius: var(--badge-radius);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.app-table thead th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--card-border);
}

.app-table tbody td {
    color: var(--text-primary);
    vertical-align: middle;
}

.btn-primary {
    background-color: var(--button-primary-bg);
    border-color: var(--button-primary-bg);
    color: #fff;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--button-primary-hover);
    border-color: var(--button-primary-hover);
}

.btn-outline-primary {
    color: var(--color-primary);
    border-color: var(--button-outline-border);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    color: #fff;
    background-color: var(--button-primary-bg);
    border-color: var(--button-primary-bg);
}

.btn-outline-secondary {
    color: var(--color-secondary);
    border-color: var(--color-secondary);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
    color: #fff;
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
}

.btn-outline-success {
    color: var(--color-success);
    border-color: var(--color-success);
}

.btn-outline-success:hover,
.btn-outline-success:focus {
    color: #fff;
    background-color: var(--color-success);
    border-color: var(--color-success);
}

.btn-outline-danger {
    color: var(--color-danger);
    border-color: var(--color-danger);
}

.btn-outline-danger:hover,
.btn-outline-danger:focus {
    color: #fff;
    background-color: var(--color-danger);
    border-color: var(--color-danger);
}

.btn-outline-warning {
    color: var(--color-warning);
    border-color: var(--color-warning);
}

.btn-outline-warning:hover,
.btn-outline-warning:focus {
    color: #fff;
    background-color: var(--color-warning);
    border-color: var(--color-warning);
}

.btn-outline-info {
    color: var(--color-info);
    border-color: var(--color-info);
}

.btn-outline-info:hover,
.btn-outline-info:focus {
    color: #fff;
    background-color: var(--color-info);
    border-color: var(--color-info);
}

.btn-outline-light {
    color: var(--text-secondary);
    border-color: var(--bs-border-color);
}

.btn-outline-light:hover,
.btn-outline-light:focus {
    color: var(--text-primary);
    background-color: var(--bs-secondary-bg);
    border-color: var(--bs-border-color);
}

.btn-success {
    background-color: var(--color-success);
    border-color: var(--color-success);
}

.btn-success:hover,
.btn-success:focus {
    background-color: #19694c;
    border-color: #19694c;
}
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.stat-card {
    border: 1px solid var(--card-border);
    border-radius: 16px;
    background-color: var(--card-bg);
    padding: 1rem 1.25rem;
    box-shadow: var(--card-shadow);
}

.stat-card__label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.stat-card__value {
    font-size: 1.75rem;
    font-weight: 700;
}
.detail-card {
    border: 1px solid var(--card-border);
    border-radius: 16px;
    background-color: var(--card-bg);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--card-shadow);
}

.answer-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background-color: var(--badge-soft-bg);
    border: 1px solid var(--badge-soft-border);
    color: var(--text-secondary);
}

.feedback-callout {
    border-radius: 12px;
    border: 1px dashed var(--card-border);
    background-color: var(--surface-card-alt);
    padding: 0.75rem 1rem;
}

.score-pill {
    display: inline-flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.65rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    background-color: var(--card-bg);
}

.score-pill__label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

/* Aplicar variables a elementos globales */
html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Tema oscuro - mejor anti-aliasing */
[data-bs-theme="dark"] {
    -webkit-font-smoothing: subpixel-antialiased;
}

a, .btn-link {
    color: var(--bs-link-color);
}

a:hover, .btn-link:hover {
    color: var(--bs-link-hover-color);
}

.btn-ghost-primary {
    background-color: transparent;
    color: var(--bs-link-color);
    border-color: rgba(56, 139, 253, 0.4);
}

.btn-ghost-primary:hover {
    background-color: rgba(56, 139, 253, 0.12);
    border-color: var(--bs-link-color);
    color: var(--bs-link-color);
}

.bg-primary {
    background-color: var(--color-primary) !important;
}

.bg-success {
    background-color: var(--color-success) !important;
}

.text-success {
    color: var(--color-success) !important;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus {
    box-shadow: 0 0 0 0.18rem rgba(31, 111, 235, 0.25);
}

.form-control:focus, .form-check-input:focus {
    border-color: var(--bs-link-color);
    box-shadow: 0 0 0 0.2rem rgba(88, 166, 255, 0.25);
}

.content {
    padding-top: 1.1rem;
}

/* Content area con mejor tipografía */
[data-bs-theme="dark"] .content {
    background-color: var(--bs-body-bg);
}

[data-bs-theme="dark"] .container-fluid {
    color: var(--text-primary);
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ===== ESTILOS ADAPTATIVOS PARA TEMAS ===== */

/* ===== BADGES - SISTEMA COHESIVO ===== */

/* Estilos base para badges */
.badge {
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.35em 0.65em;
    border-radius: 6px;
    font-size: 0.875em;
}

.badge-soft {
    border-radius: var(--badge-radius);
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background-color: var(--badge-soft-bg);
    border: 1px solid var(--badge-soft-border);
    color: var(--text-secondary);
}

.badge-difficulty-easy {
    background-color: var(--difficulty-easy-bg);
    color: var(--difficulty-easy-color);
    border: 1px solid currentColor;
}

.badge-difficulty-medium {
    background-color: var(--difficulty-medium-bg);
    color: var(--difficulty-medium-color);
    border: 1px solid currentColor;
}

.badge-difficulty-hard {
    background-color: var(--difficulty-hard-bg);
    color: var(--difficulty-hard-color);
    border: 1px solid currentColor;
}

/* Badge tipo de examen */
.badge-exam-type-test {
     background-color: var(--exam-type-test-bg);
     color: var(--exam-type-test-color);
     border: 1px solid currentColor;
}
.badge-exam-type-real {
     background-color: var(--exam-type-real-bg);
     color: var(--exam-type-real-color);
     border: 1px solid currentColor;
}

.badge-status-completed {
    background-color: var(--status-completed-bg);
    color: var(--status-completed-color);
    border: 1px solid currentColor;
}

.badge-status-pending {
    background-color: var(--status-pending-bg);
    color: var(--status-pending-color);
    border: 1px solid currentColor;
}

.badge-status-inprogress {
    background-color: var(--status-inprogress-bg);
    color: var(--status-inprogress-color);
    border: 1px solid currentColor;
}

.badge-status-failed {
    background-color: var(--status-failed-bg);
    color: var(--status-failed-color);
    border: 1px solid currentColor;
}

.tracking-wide {
    letter-spacing: 0.18em;
}

.admin-analytics .analytics-card {
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 1.25rem 1.5rem;
    background-color: var(--card-bg);
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.admin-analytics .analytics-card:hover {
    transform: translateY(-4px);
    border-color: rgba(31, 111, 235, 0.35);
    box-shadow: var(--card-shadow-hover);
}

.admin-analytics .analytics-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.6rem;
    font-size: 1.25rem;
    background-color: rgba(255, 255, 255, 0.06);
}

.admin-analytics .analytics-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-bottom: 0.2rem;
}

.admin-analytics .analytics-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.15rem;
}

.admin-analytics .analytics-subtitle {
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.chart-card {
    border: 1px solid var(--card-border);
    border-radius: 20px;
    background-color: var(--card-bg);
    min-height: 260px;
    box-shadow: var(--card-shadow);
}

.chart-card .card-header {
    border-bottom: 1px solid var(--card-border);
    background: transparent;
}

.chart-card canvas {
    width: 100% !important;
}

.chart-area {
    position: relative;
    height: 240px;
}

@media (min-width: 1400px) {
    .chart-area {
        height: 260px;
    }
}

.admin-analytics .chart-wrapper {
    position: relative;
    min-height: 260px;
}

.admin-analytics .chart-wrapper canvas {
    width: 100% !important;
    height: 100% !important;
}

.admin-analytics .empty-state {
    background-color: var(--surface-card-alt);
    border: 1px dashed var(--card-border);
    border-radius: 16px;
}

/* ===== CARDS - ELEVACIÓN Y PROFUNDIDAD ===== */
.card {
    background-color: var(--bs-secondary-bg);
    border-color: var(--bs-border-color);
    color: var(--bs-body-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-neutral {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    box-shadow: var(--card-shadow);
}

.card-neutral__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1.25rem 1.5rem 0.85rem;
    border-bottom: 1px solid var(--card-border);
}

.card-neutral__body {
    padding: 1.25rem 1.5rem;
}

.card-neutral__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
}

.card-header, .card-footer {
    background-color: var(--bs-tertiary-bg);
    border-color: var(--bs-border-color);
}

.card-clickable {
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-clickable:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.12);
}

.theme-toggle-wrapper {
    width: 100%;
}

#theme-toggle-group {
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background-color: rgba(255, 255, 255, 0.05);
    padding: 0.25rem;
}

.theme-btn {
    border-radius: 999px;
    padding: 0.35rem 0.6rem;
    border-color: transparent;
    min-width: 2.5rem;
    color: var(--text-secondary);
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.theme-btn.btn-light {
    background-color: rgba(255, 255, 255, 0.12);
    color: var(--text-primary);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}

.theme-btn:not(.btn-light):hover {
    background-color: rgba(255, 255, 255, 0.08);
}

[data-bs-theme="dark"] #theme-toggle-group {
    border-color: rgba(255, 255, 255, 0.25);
    background-color: rgba(255, 255, 255, 0.04);
}

[data-bs-theme="dark"] .theme-btn {
    color: var(--text-secondary);
}

[data-bs-theme="dark"] .theme-btn.btn-light {
    background-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.55);
}

.exam-card {
    position: relative;
    border: 1px solid var(--card-border);
    border-radius: 18px;
    background-color: var(--card-bg);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.exam-card:hover {
    transform: translateY(-2px);
    border-color: rgba(31, 111, 235, 0.35);
    box-shadow: var(--card-shadow-hover);
}

.study-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 18px;
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
}

.study-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.25);
}

[data-bs-theme="dark"] .study-card:hover {
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.45);
}

.exam-card__accent {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
}

.exam-card__content {
    padding: 1.35rem 1.5rem 1.5rem 1.75rem;
}

.exam-card__title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.exam-card__description {
    font-size: 0.95rem;
    color: var(--text-secondary-muted);
    margin-bottom: 1rem;
}

.meta-chip {
    display: inline-flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.35rem 0.75rem;
    border-radius: 10px;
    background-color: var(--surface-card-alt);
    border: 1px solid var(--card-border);
    min-width: 110px;
}

.meta-chip__label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

.meta-chip__value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--bs-body-color);
}

.timer-card {
    border-radius: 14px;
    padding: 1rem 1.25rem;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
}

.timer-card__label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.15rem;
}

.timer-card__value {
    font-size: 1.5rem;
    font-weight: 600;
}

.question-map {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(48px, 1fr));
    gap: 0.65rem;
    padding: 1rem;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    background-color: var(--card-bg);
    box-shadow: var(--card-shadow);
}

.question-map button,
.question-map .question-map__item {
    border-radius: 10px;
    border: 1px solid var(--card-border);
    background-color: var(--surface-card-alt);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 0.45rem 0;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.question-map button:disabled,
.question-map .question-map__item:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.question-map button:not(:disabled):hover,
.question-map .question-map__item:not(:disabled):hover {
    background-color: var(--option-hover-bg);
    color: var(--text-primary);
}

.question-map .is-current {
    border-color: var(--question-map-current-border);
    background-color: var(--question-map-current-bg);
    color: var(--text-primary);
}

.question-map .is-answered {
    border-color: var(--question-map-answered-border);
    background-color: var(--question-map-answered-bg);
    color: var(--text-primary);
}

.question-map .is-flagged {
    border-color: rgba(185, 113, 29, 0.5);
    background-color: var(--question-map-flagged-bg);
    color: var(--text-primary);
}

.question-progress {
    height: 6px;
    border-radius: 999px;
    background-color: var(--bs-tertiary-bg);
}

.question-progress .progress-bar {
    border-radius: 999px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
}

[data-bs-theme="dark"] .card {
    background-color: var(--bs-secondary-bg);
    border-color: var(--bs-border-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

[data-bs-theme="dark"] .card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

[data-bs-theme="dark"] .card-header {
    background-color: var(--bs-tertiary-bg);
    border-bottom: 1px solid var(--bs-border-color);
}

[data-bs-theme="dark"] .card-footer {
    background-color: var(--bs-tertiary-bg);
    border-top: 1px solid var(--bs-border-color);
}

/* ===== TABLAS - ELEVACIÓN Y JERARQUÍA ===== */
.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-primary);
    --bs-table-border-color: var(--card-border);
}

/* Tema claro - tabla estándar */
[data-bs-theme="light"] .table {
    --bs-table-striped-bg: #eef2fb;
    --bs-table-hover-bg: #e2e8f6;
}

/* Tema oscuro - tabla con mejor contraste */
[data-bs-theme="dark"] .table {
    --bs-table-bg: transparent;
    --bs-table-striped-bg: rgba(255, 255, 255, 0.04);
    --bs-table-hover-bg: var(--hover-overlay);
    --bs-table-border-color: var(--card-border);
}

[data-bs-theme="dark"] .table thead {
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--card-border);
}

[data-bs-theme="dark"] .table tbody tr {
    border-bottom: 1px solid var(--card-border);
}

[data-bs-theme="dark"] .table tbody tr:hover {
    background-color: var(--hover-overlay) !important;
}

/* Forms */
.form-control, .form-select {
    background-color: var(--bs-body-bg);
    border-color: var(--bs-border-color);
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: var(--bs-tertiary-bg);
    color: #fff;
}

.form-control:focus, .form-select:focus {
    background-color: var(--bs-body-bg);
    border-color: #86b7fe;
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .form-control:focus,
[data-bs-theme="dark"] .form-select:focus {
    background-color: var(--bs-secondary-bg);
    border-color: #6ea8fe;
}

/* Modals */
.modal-content {
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    border-color: var(--bs-border-color);
}

.modal-header, .modal-footer {
    border-color: var(--bs-border-color);
}

/* ===== ALERTS - ALERTAS CON COLORES COHERENTES ===== */
[data-bs-theme="dark"] .alert-success {
    background-color: rgba(63, 185, 80, 0.15);
    border-color: var(--color-success);
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .alert-warning {
    background-color: rgba(210, 153, 34, 0.15);
    border-color: var(--color-warning);
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .alert-danger {
    background-color: rgba(248, 81, 73, 0.15);
    border-color: var(--color-danger);
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .alert-info {
    background-color: rgba(88, 166, 255, 0.15);
    border-color: var(--color-info);
    color: var(--bs-body-color);
}

/* Spinners */
[data-bs-theme="dark"] .spinner-border,
[data-bs-theme="dark"] .spinner-grow {
    color: var(--bs-link-color);
}

/* ===== JERARQUÍA TIPOGRÁFICA ===== */

/* Tema Claro - Títulos más suaves (no negro puro) */
h1, .h1 {
    color: #1a1d23;
    font-weight: 600;
}

h2, h3, h4, h5, h6,
.h2, .h3, .h4, .h5, .h6 {
    color: #2d3138;
    font-weight: 600;
}

/* Tema Oscuro - Tonalidad suave y confortable (no demasiado brillante) */
[data-bs-theme="dark"] h1,
[data-bs-theme="dark"] h2,
[data-bs-theme="dark"] h3,
[data-bs-theme="dark"] h4,
[data-bs-theme="dark"] h5,
[data-bs-theme="dark"] h6,
[data-bs-theme="dark"] .h1,
[data-bs-theme="dark"] .h2,
[data-bs-theme="dark"] .h3,
[data-bs-theme="dark"] .h4,
[data-bs-theme="dark"] .h5,
[data-bs-theme="dark"] .h6 {
    color: #c0c8d0;  /* 75% blanco - más suave */
    font-weight: 600;
}

/* H1 principal - apenas un poco más brillante que el resto */
[data-bs-theme="dark"] h1,
[data-bs-theme="dark"] .h1 {
    color: #cbd3db;  /* 80% blanco - jerarquía sutil */
}

/* Iconos en títulos - adaptables al tema */
h1 i.bi, .h1 i.bi,
h2 i.bi, .h2 i.bi,
h3 i.bi, .h3 i.bi,
h4 i.bi, .h4 i.bi,
h5 i.bi, .h5 i.bi {
    color: var(--bs-link-color);
    margin-right: 0.5rem;
}

/* Iconos en navbar */
.navbar-brand i.bi {
    margin-right: 0.5rem;
    font-size: 1.2rem;
}

/* Iconos en modo oscuro dentro de cards/listas: tono más suave */
[data-bs-theme="dark"] .card i.bi,
[data-bs-theme="dark"] .list-group-item i.bi,
[data-bs-theme="dark"] .table i.bi {
    color: #9ca3af;
}

/* Texto principal */
[data-bs-theme="dark"] p,
[data-bs-theme="dark"] div {
    color: var(--text-primary);
}

/* Texto secundario - labels, descripciones */
[data-bs-theme="dark"] .text-secondary,
[data-bs-theme="dark"] small,
[data-bs-theme="dark"] .small {
    color: var(--text-secondary) !important;
}

/* Texto muted - información menos importante */
[data-bs-theme="dark"] .text-muted {
    color: var(--text-tertiary) !important;
}

/* Texto muy apagado */
[data-bs-theme="dark"] .text-dark {
    color: var(--text-primary) !important;
}

/* Headers de tabla - texto secundario */
[data-bs-theme="dark"] .table thead th {
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

/* Celdas de tabla - texto principal */
[data-bs-theme="dark"] .table tbody td {
    color: var(--text-primary);
}

/* Labels de formularios */
[data-bs-theme="dark"] label,
[data-bs-theme="dark"] .form-label {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Breadcrumbs y navegación */
[data-bs-theme="light"] .breadcrumb {
    background-color: var(--bs-secondary-bg);
}

[data-bs-theme="dark"] .breadcrumb {
    background-color: transparent;
}

/* Dropdowns */
.dropdown-menu {
    background-color: var(--bs-body-bg);
    border-color: var(--bs-border-color);
}

.dropdown-item {
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .dropdown-item:hover,
[data-bs-theme="dark"] .dropdown-item:focus {
    background-color: var(--bs-tertiary-bg);
}

/* Lista de grupos */
.list-group-item {
    background-color: var(--bs-body-bg);
    border-color: var(--bs-border-color);
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .list-group-item:hover {
    background-color: var(--bs-secondary-bg);
}

/* Pagination */
.page-link {
    background-color: var(--bs-body-bg);
    border-color: var(--bs-border-color);
    color: var(--bs-link-color);
}

[data-bs-theme="dark"] .page-link:hover {
    background-color: var(--bs-secondary-bg);
    border-color: var(--bs-border-color);
}

/* Tooltips y popovers */
[data-bs-theme="dark"] .tooltip-inner {
    background-color: var(--bs-tertiary-bg);
}

[data-bs-theme="dark"] .popover {
    background-color: var(--bs-secondary-bg);
    border-color: var(--bs-border-color);
}

/* Progress bars */
.progress {
    background-color: var(--bs-secondary-bg);
}

/* Offcanvas */
.offcanvas {
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
}

/* ===== FONDOS CON OPACIDAD - ALERTAS Y AVISOS ===== */

/* Success background con opacidad */
[data-bs-theme="dark"] .bg-success.bg-opacity-10 {
    background-color: rgba(63, 185, 80, 0.1) !important;
    border: 1px solid rgba(63, 185, 80, 0.4);
    border-radius: 6px;
}

/* Warning background con opacidad */
[data-bs-theme="dark"] .bg-warning.bg-opacity-10 {
    background-color: rgba(210, 153, 34, 0.1) !important;
    border: 1px solid rgba(210, 153, 34, 0.4);
    border-radius: 6px;
}

/* Danger background con opacidad */
[data-bs-theme="dark"] .bg-danger.bg-opacity-10 {
    background-color: rgba(248, 81, 73, 0.1) !important;
    border: 1px solid rgba(248, 81, 73, 0.4);
    border-radius: 6px;
}

/* Info background con opacidad */
[data-bs-theme="dark"] .bg-info.bg-opacity-10 {
    background-color: rgba(88, 166, 255, 0.1) !important;
    border: 1px solid rgba(88, 166, 255, 0.4);
    border-radius: 6px;
}

/* Mejorar visibilidad de texto en fondos con opacidad */
[data-bs-theme="dark"] .bg-success.bg-opacity-10,
[data-bs-theme="dark"] .bg-warning.bg-opacity-10,
[data-bs-theme="dark"] .bg-danger.bg-opacity-10,
[data-bs-theme="dark"] .bg-info.bg-opacity-10 {
    color: var(--bs-body-color) !important;
}

[data-bs-theme="dark"] .bg-success.bg-opacity-10 h4,
[data-bs-theme="dark"] .bg-warning.bg-opacity-10 h4,
[data-bs-theme="dark"] .bg-danger.bg-opacity-10 h4,
[data-bs-theme="dark"] .bg-info.bg-opacity-10 h4 {
    color: var(--bs-body-color) !important;
}

/* ===== DASHBOARD - ICONOS CIRCULARES PERFECTOS ===== */

/* Contenedor de icono circular - tamaño fijo para círculo perfecto */
.rounded-circle.bg-primary.bg-opacity-10,
.rounded-circle.bg-success.bg-opacity-10,
.rounded-circle.bg-info.bg-opacity-10,
.rounded-circle.bg-warning.bg-opacity-10,
.rounded-circle.bg-danger.bg-opacity-10 {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Asegurar que los iconos dentro estén centrados */
.rounded-circle i.bi {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Cards del dashboard - mejor padding y espaciado */
.card .card-body {
    padding: 1.25rem;
}

.card .card-footer {
    padding: 0.75rem 1.25rem;
}

/* Mejorar espaciado en d-flex de cards */
.card .d-flex.align-items-center {
    gap: 1rem;
}

/* Asegurar que flex-grow-1 tenga espacio suficiente */
.card .flex-grow-1 {
    min-width: 0;
    flex: 1;
}

/* Títulos de tarjetas - mejor jerarquía */
.card h6 {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.card h2 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

/* ===== LIST GROUP ITEMS - PADDING CORRECTO ===== */

/* Sobrescribir px-0 en list-group-item dentro de cards */
.card .list-group-item.px-0 {
    padding-left: 0.75rem !important;
    padding-right: 0.75rem !important;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

/* Espaciado entre icono y texto en list-group */
.list-group-item span i.bi {
    margin-right: 0.5rem;
}

/* Mejorar espaciado de badges en list-group */
.list-group-item .badge {
    padding: 0.35em 0.75em;
    font-size: 0.875rem;
}

/* Card headers con emojis - reemplazar por iconos después */
.card-header h5 {
    font-size: 1.125rem;
    font-weight: 600;
}

/* ===== MEJORAS HOVER PARA BOTONES OUTLINE ===== */

/* Transición suave para todos los botones */
.btn {
    transition: all 0.3s ease;
}

/* Botones outline en tema oscuro - fondo más sutil */
[data-bs-theme="dark"] .btn-outline-primary:hover {
    background-color: rgba(74, 158, 255, 0.12) !important;
    border-color: #4A9EFF !important;
    color: #4A9EFF !important;
    box-shadow: 0 4px 12px rgba(74, 158, 255, 0.25);
}

[data-bs-theme="dark"] .btn-outline-secondary:hover {
    background-color: rgba(141, 162, 255, 0.12) !important;
    border-color: #8da2ff !important;
    color: #8da2ff !important;
    box-shadow: 0 4px 12px rgba(141, 162, 255, 0.25);
}

[data-bs-theme="dark"] .btn-outline-success:hover {
    background-color: rgba(34, 197, 94, 0.12) !important;
    border-color: #22C55E !important;
    color: #22C55E !important;
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.25);
}

[data-bs-theme="dark"] .btn-outline-danger:hover {
    background-color: rgba(239, 68, 68, 0.12) !important;
    border-color: #ef4444 !important;
    color: #ef4444 !important;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

[data-bs-theme="dark"] .btn-outline-warning:hover {
    background-color: rgba(250, 204, 21, 0.12) !important;
    border-color: #facc15 !important;
    color: #facc15 !important;
    box-shadow: 0 4px 12px rgba(250, 204, 21, 0.25);
}

[data-bs-theme="dark"] .btn-outline-info:hover {
    background-color: rgba(13, 202, 240, 0.12) !important;
    border-color: var(--bs-info) !important;
    color: var(--bs-info) !important;
    box-shadow: 0 4px 12px rgba(13, 202, 240, 0.25);
}

[data-bs-theme="dark"] .btn-outline-light:hover {
    background-color: rgba(182, 194, 219, 0.08) !important;
    border-color: #b6c2db !important;
    color: #b6c2db !important;
    box-shadow: 0 4px 12px rgba(182, 194, 219, 0.15);
}

/* ===== ESTILOS PARA TIMER DE PREGUNTA ===== */
.question-timer {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.question-timer.warning {
    background-color: var(--status-pending-bg);
    color: var(--status-pending-color);
    border: 1px solid currentColor;
    animation: pulse-warning 1s infinite;
}

.question-timer.expired {
    background-color: var(--status-failed-bg);
    color: var(--status-failed-color);
    border: 1px solid currentColor;
    animation: pulse-danger 0.5s infinite;
}

@keyframes pulse-warning {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes pulse-danger {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

[data-bs-theme="dark"] .question-timer.warning,
[data-bs-theme="dark"] .question-timer.expired {
    background-color: rgba(255, 255, 255, 0.05);
}

/* ===== MAPA DE PREGUNTAS ===== */
.question-map-legend {
    font-size: 0.8rem;
    margin-top: 0.75rem;
}

.legend-item {
    display: inline-flex;
    align-items: center;
}

.legend-item.pending .bi-circle-fill { color: var(--bs-secondary-color); }
.legend-item.current .bi-circle-fill { color: var(--color-primary); }
.legend-item.answered .bi-circle-fill { color: var(--color-success); }

/* ===== ESTILOS PARA COMPONENTES DE PREGUNTAS ===== */
.exam-question {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--card-shadow);
}

.exam-question--multiple-choice .question-title::before {
    content: "📝 ";
}

.exam-question--code .question-title::before {
    content: "💻 ";
}

.exam-question .question-title {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.exam-question .question-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* ===== STUDENT EXAMS LIST - CARDS MÁS SOBRIAS ===== */

.student-exams-grid {
    align-items: stretch;
}

.student-exam-card {
    border-radius: 16px;
    border: 1px solid var(--card-border);
    background-color: var(--card-bg);
    box-shadow: var(--card-shadow);
}

.student-exam-card-header {
    border-bottom: 1px solid var(--card-border);
}

.student-exam-card-accent {
    width: 4px;
    border-radius: 999px;
    align-self: stretch;
}

.student-exam-card-accent {
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
}

.student-exam-card-title {
    font-size: 1rem;
    font-weight: 600;
}

.student-exam-card-icon {
    font-size: 1rem;
}

.student-exam-meta-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--bs-secondary-color);
}

.student-exam-meta-value {
    font-size: 0.9rem;
    font-weight: 600;
}

.student-exam-meta-icon {
    font-size: 0.9rem;
}

.student-exam-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.student-exam-badges .badge {
    font-size: 0.72rem;
    font-weight: 600;
}

.student-exam-primary-action {
    font-weight: 600;
}


/* ===== DASHBOARD REDISEÑADO - INTELIGENCIA DE EVALUACIONES ===== */

.dashboard-container {
    padding: 2rem 2.5rem;
    max-width: 1600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .dashboard-container {
        padding: 1rem;
    }
}

/* Hero Header */
.dashboard-hero {
    background: linear-gradient(135deg, 
        var(--color-primary) 0%, 
        var(--color-secondary) 100%);
    border-radius: 24px;
    padding: 2.5rem 3rem;
    margin-bottom: 3rem;
    box-shadow: 0 20px 60px rgba(31, 111, 235, 0.25);
    position: relative;
    overflow: hidden;
}

[data-bs-theme="dark"] .dashboard-hero {
    background: linear-gradient(135deg, 
        #2563eb 0%, 
        #7c3aed 100%);
    box-shadow: 0 20px 60px rgba(37, 99, 235, 0.35);
}

.dashboard-hero::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.dashboard-hero__content {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.dashboard-hero__icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    flex-shrink: 0;
    backdrop-filter: blur(10px);
}

.dashboard-hero__title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.dashboard-hero__subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    line-height: 1.5;
}

.dashboard-hero__stats {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.hero-stat__value {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    line-height: 1;
}

.hero-stat__label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
}

@media (max-width: 992px) {
    .dashboard-hero {
        padding: 2rem;
    }
    
    .dashboard-hero__content {
        flex-direction: column;
        text-align: center;
        margin-bottom: 1.5rem;
    }
    
    .dashboard-hero__title {
        font-size: 2rem;
    }
    
    .dashboard-hero__stats {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Loading State */
.dashboard-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.loading-spinner {
    text-align: center;
}

.loading-spinner__text {
    margin-top: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Section */
.dashboard-section {
    margin-bottom: 3.5rem;
}

.section-header {
    margin-bottom: 2rem;
}

.section-header__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-header__title i {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.section-header__subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

/* KPI Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.kpi-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 1.75rem 2rem;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.kpi-card:hover::before {
    opacity: 1;
}

.kpi-card--primary::before { background: var(--color-primary); }
.kpi-card--success::before { background: var(--color-success); }
.kpi-card--accent::before { background: var(--color-accent); }
.kpi-card--warning::before { background: var(--color-warning); }
.kpi-card--info::before { background: var(--color-info); }
.kpi-card--neutral::before { background: var(--text-secondary); }

.kpi-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}

.kpi-card__icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.kpi-card--primary .kpi-card__icon {
    background: rgba(31, 111, 235, 0.12);
    color: var(--color-primary);
}

.kpi-card--success .kpi-card__icon {
    background: rgba(31, 141, 98, 0.12);
    color: var(--color-success);
}

.kpi-card--accent .kpi-card__icon {
    background: rgba(139, 92, 246, 0.12);
    color: var(--color-accent);
}

.kpi-card--warning .kpi-card__icon {
    background: rgba(185, 113, 29, 0.12);
    color: var(--color-warning);
}

.kpi-card--info .kpi-card__icon {
    background: rgba(31, 111, 235, 0.12);
    color: var(--color-info);
}

.kpi-card--neutral .kpi-card__icon {
    background: rgba(108, 117, 125, 0.12);
    color: var(--text-secondary);
}

.kpi-card:hover .kpi-card__icon {
    transform: scale(1.1);
}

.kpi-card__trend {
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    background: var(--surface-card-alt);
    color: var(--text-secondary);
}

.kpi-card__trend--up {
    background: rgba(31, 141, 98, 0.12);
    color: var(--color-success);
}

.kpi-card__badge {
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--surface-card-alt);
    color: var(--text-secondary);
}

.kpi-card__body {
    flex: 1;
}

.kpi-card__value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.kpi-card__value--small {
    font-size: 1.75rem;
}

.kpi-card__unit {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-left: 0.25rem;
}

.kpi-card__label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.kpi-card__meta {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.content-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    opacity: 0.08;
    transition: all 0.3s ease;
}

.content-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.content-card:hover::before {
    transform: scale(1.5);
    opacity: 0.12;
}

.content-card--primary::before { background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%); }
.content-card--success::before { background: radial-gradient(circle, var(--color-success) 0%, transparent 70%); }

.content-card__icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.content-card--primary .content-card__icon {
    background: rgba(31, 111, 235, 0.12);
    color: var(--color-primary);
}

.content-card--success .content-card__icon {
    background: rgba(31, 141, 98, 0.12);
    color: var(--color-success);
}

.content-card__body {
    flex: 1;
}

.content-card__value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.content-card__label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.content-card__action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    background: var(--surface-card-alt);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.content-card__action:hover {
    background: var(--color-primary);
    color: white;
    transform: translateX(4px);
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 1200px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

.chart-panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.chart-panel__header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.chart-panel__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.chart-panel__subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

.chart-panel__badge {
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--surface-card-alt);
    color: var(--text-secondary);
    white-space: nowrap;
}

.chart-panel__body {
    padding: 2rem;
    min-height: 320px;
}

.chart-panel__body--centered {
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-panel__body canvas {
    max-height: 300px !important;
}

/* D3.js chart containers */
#attemptsChart {
    width: 100%;
    height: 320px;
}

#resultDistributionChart {
    width: 280px;
    height: 280px;
}

#templatePerformanceChart {
    width: 100%;
    height: 380px;
}

/* Block Performance Visualization */
.performance-panel__body--block-viz {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.block-viz-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(168, 85, 247, 0.05) 100%);
    border-radius: 16px;
    margin-bottom: 1rem;
}

#blockPerformanceViz {
    width: 100%;
    height: 800px;
}

/* D3.js SVG styling */
#attemptsChart svg,
#resultDistributionChart svg,
#templatePerformanceChart svg,
#blockPerformanceViz svg {
    display: block;
}

.chart-panel__footer {
    padding: 1rem 2rem;
    border-top: 1px solid var(--card-border);
}

/* Chart Legend */
.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.chart-legend__item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chart-legend__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.chart-legend__dot--success {
    background: var(--color-success);
}

.chart-legend__dot--danger {
    background: var(--color-danger);
}

.chart-legend__dot--warning {
    background: var(--color-warning);
}

.chart-legend__label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Performance Grid */
.performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .performance-grid {
        grid-template-columns: 1fr;
    }
}

.performance-panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.performance-panel__header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.performance-panel__title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.performance-panel__subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.performance-panel__badge {
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(31, 111, 235, 0.12);
    color: var(--color-primary);
}

.performance-panel__badge--success {
    background: rgba(31, 141, 98, 0.12);
    color: var(--color-success);
}

.performance-panel__body {
    padding: 2rem;
    min-height: 300px;
}

.performance-panel__body canvas {
    max-height: 280px !important;
}

.performance-panel__empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 250px;
    text-align: center;
}

.performance-panel__empty i {
    font-size: 3rem;
    color: var(--text-tertiary);
    margin-bottom: 1rem;
}

.performance-panel__empty p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Activity Panel */
.activity-panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.activity-panel__empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.activity-panel__empty i {
    font-size: 3.5rem;
    color: var(--text-tertiary);
    margin-bottom: 1rem;
}

.activity-panel__empty p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Activity Table */
.activity-table {
    overflow-x: auto;
}

.activity-table__content {
    width: 100%;
    border-collapse: collapse;
}

.activity-table__content thead {
    background: var(--surface-card-alt);
}

.activity-table__content thead th {
    padding: 1rem 1.5rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--card-border);
}

.activity-table__content tbody tr {
    border-bottom: 1px solid var(--card-border);
    transition: background-color 0.2s ease;
}

.activity-table__content tbody tr:hover {
    background: var(--surface-card-alt);
}

.activity-table__content tbody td {
    padding: 1.25rem 1.5rem;
    vertical-align: middle;
}

.student-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.student-info__avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface-card-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.student-info__name {
    font-weight: 600;
    color: var(--text-primary);
}

.activity-exam {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.score-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-weight: 600;
}

.score-badge--success {
    background: rgba(31, 141, 98, 0.12);
    color: var(--color-success);
}

.score-badge--warning {
    background: rgba(185, 113, 29, 0.12);
    color: var(--color-warning);
}

.score-badge--danger {
    background: rgba(193, 67, 67, 0.12);
    color: var(--color-danger);
}

.score-badge__value {
    font-size: 0.95rem;
}

.score-badge__percent {
    font-size: 0.875rem;
    opacity: 0.9;
}

.activity-date {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 2rem 1.5rem;
    border: 2px solid var(--card-border);
    border-radius: 16px;
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.quick-action-btn i {
    font-size: 2rem;
}

.quick-action-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.quick-action-btn--primary {
    border-color: var(--color-primary);
}

.quick-action-btn--primary:hover {
    background: var(--color-primary);
    color: white;
}

.quick-action-btn--success {
    border-color: var(--color-success);
}

.quick-action-btn--success:hover {
    background: var(--color-success);
    color: white;
}

.quick-action-btn--info {
    border-color: var(--color-info);
}

.quick-action-btn--info:hover {
    background: var(--color-info);
    color: white;
}


/* ===== BLOCK PERFORMANCE - INTERACTIVE CARDS ===== */
.block-performance-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.block-performance-card {
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.block-performance-card--danger {
    border-color: var(--color-danger);
    background: rgba(193, 67, 67, 0.05);
}

.block-performance-card--expanded {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.block-performance-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    transition: background 0.2s ease;
}

.block-performance-card__header:hover {
    background: var(--surface-card-alt);
}

.block-performance-card__info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex: 1;
}

.block-performance-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.block-performance-card__stats {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.95rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.stat-item--success {
    color: var(--color-success);
}

.stat-item--danger {
    color: var(--color-danger);
}

.stat-divider {
    width: 1px;
    height: 16px;
    background: var(--card-border);
}

.block-performance-card__accuracy {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.accuracy-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    min-width: 100px;
}

.accuracy-badge--success {
    background: rgba(31, 141, 98, 0.15);
}

.accuracy-badge--warning {
    background: rgba(185, 113, 29, 0.15);
}

.accuracy-badge--danger {
    background: rgba(193, 67, 67, 0.15);
}

.accuracy-badge__value {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1;
}

.accuracy-badge--success .accuracy-badge__value {
    color: var(--color-success);
}

.accuracy-badge--warning .accuracy-badge__value {
    color: var(--color-warning);
}

.accuracy-badge--danger .accuracy-badge__value {
    color: var(--color-danger);
}

.accuracy-badge__label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.25rem;
    color: var(--text-tertiary);
}

.expand-icon {
    font-size: 1.5rem;
    color: var(--text-secondary);
    transition: transform 0.3s ease;
}

.block-performance-card--expanded .expand-icon {
    transform: rotate(180deg);
}

.block-performance-card__details {
    padding: 0 1.5rem 1.5rem 1.5rem;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.questions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--card-border);
}

.questions-header h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.questions-header i {
    color: var(--color-warning);
}

.questions-count {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-tertiary);
    background: var(--surface-card-alt);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
}

.questions-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.question-performance-item {
    background: var(--surface-card-alt);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.25rem;
    transition: all 0.2s ease;
}

.question-performance-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.question-performance-item__header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.question-performance-item__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.question-performance-item__title i {
    color: var(--color-info);
    font-size: 1.1rem;
}

.question-performance-item__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.stat-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-tertiary);
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-group--success .stat-value {
    color: var(--color-success);
}

.stat-group--danger .stat-value {
    color: var(--color-danger);
}

.stat-group--accent .stat-value {
    color: var(--color-primary);
}

.stat-value--large {
    font-size: 1.5rem;
}

.question-performance-item__progress {
    margin-top: 1rem;
}

.progress-bar-wrapper {
    display: flex;
    height: 8px;
    border-radius: 999px;
    overflow: hidden;
    background: var(--surface-card);
}

.progress-bar {
    height: 100%;
    transition: width 0.6s ease;
}

.progress-bar--success {
    background: linear-gradient(90deg, var(--color-success), #2dca97);
}

.progress-bar--danger {
    background: linear-gradient(90deg, var(--color-danger), #e74c3c);
}

/* ==========================================================================
   NEW PERFORMANCE CHART STYLES (WOW EFFECT)
   ========================================================================== */

.performance-chart-panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transition: all 0.3s ease;
}

.performance-chart-panel:hover {
    box-shadow: var(--card-shadow-hover);
    border-color: rgba(56, 189, 248, 0.3);
}

.performance-chart-panel__header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to right, rgba(56, 189, 248, 0.05), transparent);
}

.performance-chart-panel__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.performance-chart-panel__subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

.performance-chart-panel__body {
    padding: 0; /* Let SVG take full width/height with its own margins */
    position: relative;
    min-height: 400px;
}

.performance-chart-panel--featured .performance-chart-panel__body {
    min-height: 800px;
}

.block-viz-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent; /* SVG has its own background */
    padding: 0;
    margin: 0;
    border-radius: 0;
}

#blockPerformanceViz {
    width: 100%;
    height: 800px; /* Match JS config */
}

/* Tooltip Styling */
.chart-tooltip {
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5) !important;
    color: #e2e8f0 !important;
    border-radius: 12px !important;
    padding: 12px 16px !important;
    font-family: system-ui, -apple-system, sans-serif !important;
    z-index: 9999;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

/* Dark Mode Specifics for Chart Panel */
[data-bs-theme="dark"] .performance-chart-panel {
    background: #0f172a; /* Slate 900 */
    border-color: #1e293b; /* Slate 800 */
}

[data-bs-theme="dark"] .performance-chart-panel__header {
    background: linear-gradient(to right, rgba(56, 189, 248, 0.1), transparent);
    border-bottom-color: #1e293b;
}

/* Branding */
.app-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-inline: 0.5rem;
    padding-block: 0.75rem;
}

.app-title {
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

/* Logo principal en el sidebar */
.logo-sidebar {
    width: 36px;
    height: 36px;
    border-radius: 999px;
    object-fit: contain;
    padding: 4px;
    box-sizing: border-box;
    background: white;
    box-shadow:
        0 0 0 1px rgba(15, 23, 42, 0.08),
        0 4px 10px rgba(15, 23, 42, 0.10);
    transition:
        transform 0.15s ease-out,
        box-shadow 0.15s ease-out,
        filter 0.15s ease-out;
}

/* Tema oscuro: mantener fondo blanco y mismo icono */
[data-bs-theme="dark"] .logo-sidebar {
    background: white;
    box-shadow:
        0 0 0 1px rgba(15, 23, 42, 0.08),
        0 4px 10px rgba(15, 23, 42, 0.10);
}

/* Tema claro: mantener fondo blanco y mismo icono */
[data-bs-theme="light"] .logo-sidebar {
    background: white;
    box-shadow:
        0 0 0 1px rgba(15, 23, 42, 0.08),
        0 4px 10px rgba(15, 23, 42, 0.10);
}

/* Pequeño efecto al pasar el ratón */
.logo-sidebar:hover {
    transform: translateY(-1px) scale(1.02);
    box-shadow:
        0 0 0 1px rgba(56, 189, 248, 0.55),
        0 10px 24px rgba(15, 23, 42, 0.9);
}

/* Logo a color para zonas hero */
.logo-hero {
    max-width: 280px;
    width: 100%;
    height: auto;
    display: block;
    margin-inline: auto;
}