:root {
    --bg-base: #0f172a;
    --bg-surface: #1e293b;
    --bg-surface-hover: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-blue: #38bdf8;
    --accent-indigo: #818cf8;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-xl: 0 10px 20px rgba(0,0,0,0.25);
    --transition: transform 0.25s ease, opacity 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
    --fs-xs: 0.78rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.35rem;
    --fs-2xl: 1.75rem;
    --fs-3xl: 2.25rem;
    --fs-4xl: 3rem;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1.25rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
}

@media (min-width: 1440px) {
    :root {
        --fs-xs: 0.85rem;
        --fs-sm: 0.95rem;
        --fs-base: 1.08rem;
        --fs-lg: 1.25rem;
        --fs-xl: 1.5rem;
        --fs-2xl: 2rem;
        --fs-3xl: 2.75rem;
        --fs-4xl: 3.75rem;
        --space-md: 1.5rem;
        --space-lg: 2.5rem;
        --space-xl: 4rem;
        --space-2xl: 5.5rem;
    }
}


@media (min-width: 1080px) and (max-width: 1439px) {
    :root {
        --fs-base: 1.04rem;
        --fs-lg: 1.2rem;
        --fs-xl: 1.4rem;
        --fs-2xl: 1.85rem;
        --fs-3xl: 2.5rem;
        --fs-4xl: 3.4rem;
        --space-lg: 2.25rem;
        --space-xl: 3.5rem;
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: var(--fs-base);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    background-image: radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), radial-gradient(at 50% 0%, hsla(225,39%,30%,0.2) 0, transparent 50%), radial-gradient(at 100% 0%, hsla(339,49%,30%,0.1) 0, transparent 50%);
}

/* ===== Ajustes de formularios y materias entre años ===== */

textarea {
    width: 100%;
    min-height: 110px;
    padding: 0.9rem 1rem;
    resize: vertical;
    color: var(--text-primary);
    font: inherit;
    line-height: 1.5;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    outline: none;
    background:
        linear-gradient(145deg, rgba(15, 23, 42, 0.94), rgba(20, 29, 50, 0.9));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.025);
}

textarea::placeholder {
    color: #64748b;
}

textarea:hover {
    border-color: rgba(148, 163, 184, 0.38);
}

.modal-feature-profesor {
    width: min(94vw, 980px);
    max-height: 92vh;
    padding: 2rem;
    overflow-y: auto;
}

.feature-profesor-grid {
    display: grid;
    grid-template-columns: minmax(300px, 0.9fr) minmax(340px, 1.1fr);
    gap: 1.5rem;
}

.empty-state-feature {
    display: grid;
    min-height: 150px;
    place-content: center;
    gap: 0.4rem;
    background: rgba(15, 23, 42, 0.28);
}

.empty-state-feature strong,
.empty-state-feature small {
    display: block;
}

.empty-state-feature strong {
    color: var(--text-primary);
    font-size: 0.9rem;
}

.empty-state-feature small {
    max-width: 330px;
    color: var(--text-secondary);
    line-height: 1.45;
}

.empty-state-icon {
    display: grid;
    width: 42px;
    height: 42px;
    margin: 0 auto 0.35rem;
    place-items: center;
    color: var(--accent-blue);
    font-size: 0.7rem;
    font-weight: 900;
    border: 1px solid rgba(56, 189, 248, 0.35);
    border-radius: 12px;
    background: rgba(56, 189, 248, 0.1);
}

.admin-cross-year-toggle {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin: 0.3rem 0 1rem;
    padding: 0.8rem 0.9rem;
    color: var(--text-primary);
    border: 1px solid rgba(167, 139, 250, 0.3);
    border-radius: 12px;
    background: rgba(167, 139, 250, 0.07);
    cursor: pointer;
}

.admin-cross-year-toggle input {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    margin: 0;
    padding: 0;
    appearance: auto;
    accent-color: #a78bfa;
}

.admin-cross-year-toggle strong,
.admin-cross-year-toggle small {
    display: block;
}

.admin-cross-year-toggle strong {
    margin-bottom: 0.15rem;
    font-size: 0.85rem;
}

.admin-cross-year-toggle small {
    color: var(--text-secondary);
    font-size: 0.72rem;
    line-height: 1.35;
}

.admin-cross-year-switch {
    min-width: 245px;
    flex: 1 1 280px;
    margin: 0;
    padding: 0.72rem 0.85rem;
    user-select: none;
}

.admin-cross-year-switch > input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.admin-cross-year-switch > input:not(:checked) + .toggle-switch {
    border-color: rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.15);
}

.admin-cross-year-switch > input:not(:checked) + .toggle-switch .toggle-switch-knob {
    transform: translateX(0);
}

.admin-cross-year-switch:focus-within {
    border-color: rgba(167, 139, 250, 0.65);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.12);
}

.bulk-year-heading {
    grid-column: 1 / -1;
    margin: 0.5rem 0 0.35rem;
    padding: 0.45rem 0.65rem;
    color: #c4b5fd;
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-left: 3px solid #a78bfa;
    background: rgba(167, 139, 250, 0.08);
}

@media (max-width: 800px) {
    .feature-profesor-grid {
        grid-template-columns: 1fr;
    }

    .modal-feature-profesor {
        width: 96vw;
        padding: 1.15rem;
    }
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(circle at 12% 18%, rgba(56, 189, 248, 0.09), transparent 28rem),
        radial-gradient(circle at 88% 12%, rgba(129, 140, 248, 0.08), transparent 25rem);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 28px, 0) scale(0.985);
    }

    to {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}

@keyframes pulseGlow {
    0% {
        box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.4);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(56, 189, 248, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(56, 189, 248, 0);
    }
}

.fade-in {
    animation: fadeInUp 0.82s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.delay-1 {
    animation-delay: 0.15s;
}

.delay-2 {
    animation-delay: 0.3s;
}

.container {
    width: 90%;
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-lg) 0;
}

@media (min-width: 1440px) {
    .container {
        max-width: 1480px;
    }
}

@media (min-width: 1920px) {
    .container {
        max-width: 1700px;
    }
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-xl);
}

.navbar-brand {
    font-size: var(--fs-xl);
    font-weight: 800;
    letter-spacing: -0.5px;
}

    .navbar-brand span {
        color: var(--accent-blue);
    }

.glass-card,
.form-wrapper,
.module-card {
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.82), rgba(15, 23, 42, 0.68));
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.module-card {
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

    .module-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, var(--accent-blue), var(--accent-indigo));
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.4s ease;
    }

    .module-card:hover {
        transform: translate3d(0, -7px, 0);
        box-shadow: var(--shadow-xl);
        border-color: rgba(56, 189, 248, 0.28);
    }

        .module-card:hover::before {
            transform: scaleX(1);
        }

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.input-group {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-sm);
}

    .input-group.full-width {
        grid-column: 1 / -1;
    }

    .input-group label {
        font-size: var(--fs-xs);
        font-weight: 600;
        color: var(--text-secondary);
        margin-bottom: 0.5rem;
        text-transform: uppercase;
        letter-spacing: 0.03em;
    }

input, select {
    width: 100%;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.9rem 1rem;
    border-radius: 0.75rem;
    transition: var(--transition);
    font-size: var(--fs-base);
    font-family: inherit;
    -webkit-appearance: none;
    appearance: none;
    color-scheme: dark;
    -webkit-text-fill-color: var(--text-primary);
    box-sizing: border-box;
    min-width: 0;
}

    input:-webkit-autofill,
    input:-webkit-autofill:hover,
    input:-webkit-autofill:focus,
    input:-webkit-autofill:active {
        -webkit-box-shadow: 0 0 0 1000px #0f172a inset !important;
        -webkit-text-fill-color: var(--text-primary) !important;
        caret-color: var(--text-primary);
    }

    input:focus, select:focus {
        outline: none;
        border-color: var(--accent-blue);
        box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
    }

.subject-list {
    display: grid;
    gap: 1rem;
    margin-top: 1rem;
}

.subject-item {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

    .subject-item:hover {
        border-color: var(--accent-indigo);
        background: rgba(30, 41, 59, 0.8);
    }

    .subject-item.selected {
        border-color: var(--accent-blue);
        background: rgba(56, 189, 248, 0.05);
    }

.subject-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

    .subject-info h4 {
        font-size: var(--fs-lg);
    }

    .subject-info p {
        font-size: var(--fs-xs);
        color: var(--text-secondary);
    }

.subject-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.custom-checkbox {
    appearance: none;
    width: 24px;
    height: 24px;
    border: 2px solid var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    position: relative;
}

    .custom-checkbox:checked {
        background-color: var(--accent-blue);
        border-color: var(--accent-blue);
    }

        .custom-checkbox:checked::after {
            content: '✓';
            position: absolute;
            color: #000;
            font-weight: bold;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

.modality-select {
    padding: 0.5rem;
    border-radius: 0.5rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: var(--fs-sm);
}

.btn {
    padding: 0.9rem 1.8rem;
    border-radius: 0.75rem;
    border: none;
    font-weight: 700;
    font-size: var(--fs-sm);
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-family: inherit;
}

@media (min-width: 1080px) {
    .btn {
        padding: 1rem 2rem;
    }
}

.btn-primary {
    background: var(--accent-blue);
    color: #000;
}

    .btn-primary:hover {
        background: #7dd3fc;
        transform: scale(1.03);
    }

.btn-outline {
    background: var(--accent-danger);
    border: 1px solid var(--accent-danger);
}

.btn-inscripciones {
    background: transparent;
    border: 1px solid;
}

.modal-overlay,
.glass-card,
.form-wrapper {
    transform: translate3d(0,0,0);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--accent-danger);
    border: 1px solid var(--accent-danger);
}

.btn-correct {
    background: var(--accent-success);
    border: 1px solid var(--accent-success);
}

.btn-block {
    width: 100%;
    margin-top: 1.5rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
    font-size: var(--fs-sm);
}

th, td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

@media (min-width: 1080px) {
    th, td {
        padding: 1.1rem 1.25rem;
        font-size: var(--fs-base);
    }
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.badge {
    padding: 0.3rem 0.6rem;
    border-radius: 20px;
    font-size: var(--fs-xs);
    text-transform: uppercase;
}

.badge-presencial {
    color: var(--accent-blue);
}

.badge-virtual {
    color: var(--accent-success);
}

.badge-libre {
    color: var(--accent-warning);
}

.hidden {
    display: none !important;
}

.modal-hidden {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    overscroll-behavior: contain;
    transform: translateZ(0);
    isolation: isolate;
}

    .modal-overlay .glass-card {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background: #1e293b !important;
        transform: translateY(10px);
        will-change: transform, opacity;
        transition: transform 0.18s ease-out, opacity 0.18s ease-out;
        opacity: 0;
        overscroll-behavior: contain;
    }

    .modal-overlay.active .glass-card {
        transform: translateY(0);
        opacity: 1;
        overscroll-behavior: contain;
    }

#modalHistorial .glass-card,
#modalNotas .glass-card,
#successModal .glass-card,
#modalAlerta .glass-card {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: #1e293b !important;
}

#modalEditar .glass-card {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: #1e293b !important;
    max-height: 90vh;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
    overscroll-behavior: contain;
}

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(5px);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    border-left: 4px solid var(--accent-blue);
    box-shadow: var(--shadow-xl);
    transform: translateX(150%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: var(--fs-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

    .toast.show {
        transform: translateX(0);
    }

.toast-success {
    border-left-color: var(--accent-success);
}

.toast-warning {
    border-left-color: var(--accent-warning);
}

.toast-danger {
    border-left-color: var(--accent-danger);
}

select option {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    font-weight: 500;
    padding: 10px;
}

.filtro-elegante {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.8rem;
    border-radius: 0.5rem;
    width: 100%;
    transition: var(--transition);
    cursor: pointer;
    font-family: inherit;
    font-size: var(--fs-sm);
}

    .filtro-elegante:focus {
        outline: none;
        border-color: var(--accent-blue);
        box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
    }

input[type="text"].filtro-elegante {
    cursor: text;
}

#modalGestorNotas div[style*="overflow-y: auto"] {
    transform: translateZ(0);
    will-change: transform;
}

@media (max-width: 768px) {

    .mobile-block {
        display: flex;
    }

    .container {
        width: 95%;
        padding: 0.75rem 0 2rem;
    }

    .navbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
        margin-bottom: 1.5rem;
        padding: 0.75rem 0;
    }

    .navbar-brand {
        font-size: 1.15rem;
    }

    .navbar > div:last-child {
        font-size: 0.8rem;
    }

    .glass-card,
    .form-wrapper,
    .module-card {
        padding: 1.25rem;
        border-radius: 1rem;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 1.5rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .input-group.full-width {
        grid-column: 1;
    }

    body {
        overflow-x: hidden;
    }

    .container {
        overflow-x: hidden;
    }

    .form-wrapper {
        max-width: 100%;
        overflow-x: hidden;
    }

    .form-grid {
        max-width: 100%;
    }

    .form-wrapper {
        padding: 1.5rem 1.1rem;
    }

    .form-grid.glass-card {
        padding: 1.1rem;
        border-radius: 0.85rem;
        gap: 0.25rem;
    }

    .input-group {
        margin-bottom: 0.6rem;
    }

        .input-group label {
            font-size: 0.72rem;
            margin-bottom: 0.35rem;
        }

    input, select {
        padding: 0.8rem 0.9rem;
        font-size: 1rem;
        border-radius: 0.65rem;
    }

    #dashboardSection header {
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        flex-wrap: nowrap !important;
        gap: 1rem;
    }

        #dashboardSection header > div:last-child {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        #dashboardSection header .btn {
            width: auto !important;
            white-space: nowrap;
        }

    table {
        font-size: 0.78rem;
    }

    th, td {
        padding: 0.55rem 0.45rem;
    }

    .table-scroll {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    #seccionDiaria {
        overflow-x: auto;
    }

    #seccionDiaria table,
    #seccionDiaria thead,
    #seccionDiaria tbody,
    #seccionDiaria th,
    #seccionDiaria td,
    #seccionDiaria tr {
        display: block;
    }

    #seccionDiaria thead {
        display: none;
    }

    #seccionDiaria tbody tr {
        background: rgba(255,255,255,0.03);
        border: 1px solid rgba(255,255,255,0.08);
        border-radius: 0.75rem;
        margin-bottom: 0.75rem;
        padding: 0.75rem 1rem;
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    #seccionDiaria td {
        padding: 0 !important;
        text-align: left !important;
        border: none;
    }

    #seccionDiaria td:first-child {
        font-size: 0.95rem;
        font-weight: 700;
        padding-bottom: 0.25rem !important;
        border-bottom: 1px solid rgba(255,255,255,0.07) !important;
        margin-bottom: 0.25rem;
    }

    #seccionDiaria td:nth-child(4),
    #seccionDiaria td:nth-child(5) {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
    }

    #seccionDiaria td:nth-child(4)::before {
        content: "Asistencia: ";
        font-size: 0.75rem;
        color: var(--text-secondary);
    }

    #seccionDiaria tr td:nth-child(4),
    #seccionDiaria tr td:nth-child(5) {
        flex-direction: row;
        flex-wrap: wrap;
    }

    #seccionDiaria .btn-presente,
    #seccionDiaria .btn-ausente {
        padding: 0.5rem 1.1rem !important;
        font-size: 0.9rem !important;
        min-width: 52px;
    }

    #seccionPlanilla {
        overflow-x: auto;
    }

    .modal-overlay {
        align-items: flex-start !important;
        padding: 1rem 0;
        overflow-y: auto;
    }

    .modal-overlay > .glass-card,
    .modal-overlay > div {
        width: 95% !important;
        max-width: 100% !important;
        padding: 1.25rem !important;
        border-radius: 1rem !important;
        margin: 0 auto;
        overscroll-behavior: contain;
    }

    #modalAsistencia .glass-card,
    #modalHistorial .glass-card,
    #modalNotas .glass-card,
    #modalEditar .glass-card {
        max-height: 88vh !important;
        overflow-y: auto !important;
    }

    #modalNotas div[style*="overflow-x: auto"] {
        font-size: 0.75rem;
    }

    #modalNotas th, #modalNotas td {
        padding: 0.45rem 0.3rem;
    }

    .btn-block {
        margin-top: 1rem;
    }

    .toast-container {
        top: 10px;
        right: 10px;
        left: 10px;
    }

    .toast {
        font-size: 0.8rem;
        padding: 0.7rem 0.9rem;
    }

    .subject-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .subject-controls {
        width: 100%;
        justify-content: flex-end;
    }

    #successModal .glass-card {
        padding: 1.75rem 1.25rem !important;
    }

    #claveGenerada {
        font-size: 1.8rem !important;
        letter-spacing: 4px !important;
    }

    #modalPadron div[style*="grid-template-columns: 2fr"] {
        grid-template-columns: 1fr !important;
    }

    div[style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }

    .glass-card > div[style*="justify-content: space-between"] {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 0.75rem !important;
    }

        .glass-card > div[style*="justify-content: space-between"] > div[style*="gap: 1rem"] {
            width: 100%;
            display: grid !important;
            grid-template-columns: 1fr 1fr !important;
            gap: 0.5rem !important;
        }

    #filtroCondicion {
        width: 100%;
    }

    #selectorAcademicoSection {
        align-items: flex-start !important;
        padding: 1rem 0;
        min-height: unset !important;
    }

    #tablaMaterias .btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.72rem;
        white-space: nowrap;
    }

    header h1 {
        font-size: 2rem !important;
    }

    .page-header {
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        flex-wrap: nowrap !important;
        gap: 0.75rem !important;
        padding: 1rem 0 !important;
    }

    .page-header h2 {
        font-size: 1rem !important;
    }

    .page-header .page-header-meta {
        font-size: 0.8rem;
    }

    .page-header .btn {
        width: auto !important;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .card-header {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.75rem !important;
    }

    .card-header-actions {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 0.5rem !important;
        width: 100%;
    }

    .card-header-actions .modality-select,
    #filtroCondicion {
        grid-column: 1 / -1;
        width: 100% !important;
        font-size: 0.9rem;
        padding: 0.65rem 0.75rem;
    }

    .card-header-actions .btn-sm {
        padding: 0.6rem 0.5rem !important;
        font-size: 0.72rem !important;
        white-space: nowrap;
        text-align: center;
    }

    @media (max-width: 420px) {
        #seccionDiaria table {
            min-width: unset;
        }
    }

    .modal-scroll-90 {
        max-height: 90vh !important;
        overflow-y: auto !important;
        padding: 1.1rem !important;
    }

    #modalAsistencia .glass-card,
    #modalHistorial .glass-card,
    #modalNotas .glass-card {
        width: 97vw !important;
        max-height: 92vh !important;
        border-radius: 1rem !important;
        padding: 1rem !important;
    }

    .modal-header {
        flex-direction: row !important;
        align-items: center !important;
        gap: 0.5rem !important;
        margin-bottom: 1rem;
    }

    .modal-header h2 {
        font-size: 1rem !important;
        flex: 1;
    }

    .modal-notas {
        padding: 0.9rem !important;
    }

    #bodyNotas input[type="number"],
    #bodyNotas input[type="text"] {
        padding: 0.35rem 0.25rem !important;
        font-size: 0.8rem !important;
        border-radius: 0.4rem !important;
        min-width: 38px;
        max-width: 52px;
    }

    #modalNotas > div[style*="display:flex"] {
        flex-wrap: wrap;
    }

    .selector-academico-card {
        padding: 1.25rem !important;
    }

    .selector-academico-card h3 {
        font-size: 1.05rem !important;
        margin-bottom: 0.25rem !important;
    }

    .selector-campo {
        margin-bottom: 0.75rem;
    }

    .selector-campo label {
        font-size: 0.75rem;
        margin-bottom: 0.3rem;
        display: block;
    }

    #selectFechaHistorial {
        font-size: 0.95rem !important;
        padding: 0.75rem !important;
    }

    #seccionDiaria th:nth-child(4) { font-size: 0 !important; }
    #seccionDiaria th:nth-child(4)::after { content: "Asist."; font-size: 0.75rem; }
    #seccionDiaria th:nth-child(5) { font-size: 0 !important; }
    #seccionDiaria th:nth-child(5)::after { content: "Acción"; font-size: 0.75rem; }

    #tablaAlumnos .btn {
        padding: 0.35rem 0.5rem !important;
        font-size: 0.7rem !important;
        letter-spacing: 0 !important;
    }

    .login-card {
        padding: 1.75rem 1.25rem !important;
    }

    ::-webkit-scrollbar {
        width: 4px;
        height: 4px;
    }
}

@media (max-width: 400px) {
    .navbar-brand {
        font-size: 0.95rem;
    }

    h2 {
        font-size: 1.2rem;
    }

    .btn {
        padding: 0.7rem 0.9rem;
        font-size: 0.8rem;
    }

    header h1 {
        font-size: 1.6rem !important;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.mobile-block {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--bg-base);
    z-index: 99999;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    gap: 1rem;
}

    .mobile-block .icon {
        font-size: 4rem;
    }

    .mobile-block h2 {
        color: var(--accent-blue);
        font-size: 1.4rem;
        margin: 0;
    }

    .mobile-block p {
        color: var(--text-secondary);
        font-size: 0.95rem;
        max-width: 300px;
        line-height: 1.6;
    }

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.6);
    border-radius: 100px;
}

::-webkit-scrollbar-thumb {
    background: rgba(56, 189, 248, 0.3);
    border: 2px solid rgba(15, 23, 42, 1);
    border-radius: 100px;
    transition: var(--transition);
}

    ::-webkit-scrollbar-thumb:hover {
        background: rgba(56, 189, 248, 0.6);
    }

    ::-webkit-scrollbar-thumb:active {
        background: rgba(56, 189, 248, 0.9);
    }

html {
    scrollbar-width: thin;
    scrollbar-color: rgba(56, 189, 248, 0.3) rgba(15, 23, 42, 0.6);
}

.login-card {
    max-width: 400px;
    margin: 10vh auto;
    text-align: center;
}

.login-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.login-error {
    color: var(--accent-danger);
    margin-top: 1rem;
    display: none;
}

.login-footer {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: var(--fs-xs);
}

    .login-footer a {
        color: var(--accent-blue);
        font-weight: 600;
        text-decoration: none;
        white-space: nowrap;
    }

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

.page-header-accent {
    color: var(--accent-blue);
}

.page-header-meta {
    color: var(--text-secondary);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

    .card-header h3 {
        margin: 0;
    }

.card-header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--fs-sm);
}

.btn-xs {
    padding: 0.4rem 0.8rem;
    font-size: var(--fs-xs);
}

.selector-academico {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

.selector-academico-card {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

    .selector-academico-card h3 {
        text-align: center;
        color: var(--accent-blue);
        margin-bottom: 1.5rem;
        font-size: var(--fs-xl);
    }

    .selector-academico-card p {
        text-align: center;
        font-size: var(--fs-sm);
        color: var(--text-secondary);
        margin-bottom: 1.5rem;
    }

.selector-campo {
    margin-bottom: 1rem;
}

    .selector-campo label {
        display: block;
        font-size: var(--fs-xs);
        color: var(--text-secondary);
        margin-bottom: 0.5rem;
    }

    .selector-campo:last-of-type {
        margin-bottom: 1.5rem;
    }

.custom-select-native {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.custom-select {
    position: relative;
    width: 100%;
}

.custom-select-trigger {
    display: flex;
    width: 100%;
    min-height: 48px;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 0.8rem 0.9rem;
    color: var(--text-primary);
    font: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    text-align: left;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    outline: none;
    background: rgba(15, 23, 42, 0.72);
    cursor: pointer;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.custom-select-trigger:hover:not(:disabled) {
    border-color: rgba(56, 189, 248, 0.48);
    background: rgba(20, 31, 53, 0.9);
}

.custom-select-trigger:focus,
.custom-select.is-open .custom-select-trigger {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.13);
}

.custom-select-trigger:disabled {
    color: #64748b;
    cursor: not-allowed;
    opacity: 0.72;
}

.custom-select-trigger.is-placeholder {
    color: #94a3b8;
}

.custom-select-value {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.custom-select-chevron {
    width: 9px;
    height: 9px;
    flex: 0 0 9px;
    border-right: 2px solid #7dd3fc;
    border-bottom: 2px solid #7dd3fc;
    transform: translateY(-2px) rotate(45deg);
    transition: transform 0.18s ease;
}

.custom-select.is-open .custom-select-chevron {
    transform: translateY(2px) rotate(225deg);
}

.custom-select-options {
    position: absolute;
    z-index: 120;
    top: calc(100% + 0.45rem);
    right: 0;
    left: 0;
    display: none;
    max-height: 240px;
    padding: 0.4rem;
    overflow-y: auto;
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 12px;
    background: #111b30;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.48);
}

.custom-select.is-open .custom-select-options {
    display: block;
    animation: customSelectIn 0.16s ease both;
}

.custom-select-option {
    display: block;
    width: 100%;
    padding: 0.72rem 0.75rem;
    color: #dbeafe;
    font: inherit;
    font-size: 0.84rem;
    line-height: 1.35;
    text-align: left;
    border: 0;
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
}

.custom-select-option:hover,
.custom-select-option:focus {
    color: #fff;
    outline: none;
    background: rgba(56, 189, 248, 0.13);
}

.custom-select-option[aria-selected="true"] {
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.1);
}

@keyframes customSelectIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.btn-cancelar-link {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: var(--fs-xs);
    text-decoration: underline;
}

.selector-cancel-row {
    text-align: center;
    margin-top: 1rem;
}

.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.admin-grid-full {
    grid-column: 1 / -1;
}

.stat-row {
    margin-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    padding: 1rem;
    border-radius: 0.5rem;
}

    .stat-row span {
        font-weight: bold;
    }

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}
@media (max-width: 900px) {
    .kpi-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 500px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

.kpi-card {
    border-radius: 0.75rem;
    padding: 1.25rem;
    text-align: center;
}

.kpi-value {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1;
}

.kpi-label {
    font-size: var(--fs-xs);
    color: #64748b;
    margin-top: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.kpi-blue {
    background: rgba(56,189,248,0.08);
    border: 1px solid rgba(56,189,248,0.2);
}

.kpi-green {
    background: rgba(52,211,153,0.08);
    border: 1px solid rgba(52,211,153,0.2);
}

.kpi-purple {
    background: rgba(167,139,250,0.08);
    border: 1px solid rgba(167,139,250,0.2);
}

.kpi-red {
    background: rgba(248,113,113,0.08);
    border: 1px solid rgba(248,113,113,0.2);
}

.kpi-yellow {
    background: rgba(251,191,36,0.08);
    border: 1px solid rgba(251,191,36,0.2);
}

.kpi-blue .kpi-value {
    color: #38bdf8;
}

.kpi-green .kpi-value {
    color: #34d399;
}

.kpi-purple .kpi-value {
    color: #a78bfa;
}

.kpi-red .kpi-value {
    color: #f87171;
}

.kpi-yellow .kpi-value {
    color: #fbbf24;
}

.stats-row {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
}

.stat-box {
    flex: 1;
    padding: 1rem;
    border-radius: 0.5rem;
    text-align: center;
}

    .stat-box h4 {
        font-size: 2rem;
        margin: 0;
    }

    .stat-box span {
        font-size: 0.8rem;
        color: var(--text-secondary);
        text-transform: uppercase;
    }

.stat-box-blue {
    background: rgba(56,189,248,0.1);
    border: 1px solid var(--accent-blue);
}

    .stat-box-blue h4 {
        color: var(--accent-blue);
    }

.stat-box-green {
    background: rgba(16,185,129,0.1);
    border: 1px solid var(--accent-success);
}

    .stat-box-green h4 {
        color: var(--accent-success);
    }

.chart-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.chart-box {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 0.75rem;
    padding: 1.25rem;
}

.chart-box-full {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 0.75rem;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.chart-box-danger {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(248, 113, 113, 0.2);
    border-radius: 0.75rem;
    padding: 1.25rem;
}

.chart-label {
    margin: 0 0 1rem;
    font-size: var(--fs-xs);
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.chart-label-danger {
    color: #f87171;
}

.modal-overlay-priority {
    z-index: 12000;
    background: rgba(2, 6, 23, 0.78);
}

.confirm-dialog {
    position: relative;
    width: min(90vw, 430px);
    padding: 2.25rem;
    overflow: hidden;
    text-align: center;
    border: 1px solid rgba(248, 113, 113, 0.25) !important;
    border-radius: 20px !important;
    background:
        radial-gradient(circle at 50% -25%, rgba(239, 68, 68, 0.18), transparent 46%),
        #1e293b !important;
    box-shadow: 0 28px 80px rgba(2, 6, 23, 0.72), inset 0 1px 0 rgba(255,255,255,0.04);
}

.confirm-dialog::before {
    content: '';
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-danger), transparent);
}

.confirm-dialog-icon {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    margin: 0 auto 1rem;
    color: #fecaca;
    font-size: 1.55rem;
    font-weight: 900;
    border: 1px solid rgba(248, 113, 113, 0.42);
    border-radius: 18px;
    background: rgba(239, 68, 68, 0.12);
    box-shadow: 0 12px 28px rgba(239, 68, 68, 0.12);
}

.confirm-dialog .section-kicker {
    color: #fca5a5;
}

.confirm-dialog-title {
    margin: 0;
    color: var(--text-primary);
    font-size: clamp(1.25rem, 3vw, 1.55rem);
    line-height: 1.25;
}

.confirm-dialog-copy {
    max-width: 340px;
    margin: 0.8rem auto 1.75rem;
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    line-height: 1.55;
}

.confirm-dialog-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
}

.confirm-dialog-actions .btn {
    width: 100%;
    padding: 0.82rem 1rem;
}

.confirm-dialog-cancel {
    color: var(--text-primary);
    border: 1px solid rgba(148, 163, 184, 0.28);
    background: rgba(148, 163, 184, 0.08);
}

.confirm-dialog-cancel:hover {
    border-color: rgba(148, 163, 184, 0.52);
    background: rgba(148, 163, 184, 0.15);
}

.confirm-dialog-delete {
    color: #fff;
    background: linear-gradient(135deg, #dc2626, #ef4444);
    box-shadow: 0 10px 24px rgba(239, 68, 68, 0.18);
}

.confirm-dialog-delete:hover {
    color: #fff;
    background: linear-gradient(135deg, #ef4444, #f87171);
    transform: translateY(-1px);
}

@media (max-width: 520px) {
    .confirm-dialog {
        width: min(92vw, 430px);
        padding: 1.65rem 1.25rem;
        border-radius: 17px !important;
    }

    .confirm-dialog-actions {
        grid-template-columns: 1fr;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-large {
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
}

.modal-large-body {
    overflow-y: auto;
    padding-right: 10px;
    scrollbar-width: thin;
}

.modal-scroll-90 {
    width: 90%;
    max-width: 600px;
    padding: 2rem;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-notas {
    max-width: 800px;
    width: 95%;
    padding: 2rem;
    max-height: 90vh;
    overflow-y: auto;
}

.info-box {
    margin-top: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
}

.info-box-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.info-box-title {
    font-weight: bold;
    font-size: var(--fs-sm);
}

.info-box-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.toggle-row {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.toggle-switch {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    width: 44px;
    height: 24px;
    border-radius: 999px;
    padding: 3px;
    background: var(--accent-success);
    border: 2px solid var(--accent-success);
    transition: background 0.25s, border-color 0.25s;
    flex-shrink: 0;
    cursor: pointer;
    margin-top: 2px;
}

.toggle-switch-knob {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: white;
    transition: transform 0.25s;
    transform: translateX(20px);
    display: block;
}

.toggle-off {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.15);
}

    .toggle-off .toggle-switch-knob {
        transform: translateX(0);
    }

.asignaciones-box {
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.2);
}

.asignaciones-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

    .asignaciones-header h4 {
        color: var(--accent-blue);
        margin: 0;
    }

.asignaciones-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.asignaciones-list {
    max-height: 280px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.bulk-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.bulk-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

    .bulk-row .input-group {
        margin: 0;
    }

.bulk-status-row {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    background: rgba(15, 23, 42, 0.4);
    padding: 1rem;
    border-radius: 0.5rem;
}

.planilla-export-dialog {
    width: min(92vw, 560px);
    padding: 2rem;
    overflow: hidden;
    border: 1px solid rgba(56, 189, 248, 0.22) !important;
    border-radius: 20px !important;
    background:
        radial-gradient(circle at 8% 0%, rgba(56, 189, 248, 0.13), transparent 34%),
        #1e293b !important;
    box-shadow: 0 30px 90px rgba(2, 6, 23, 0.65);
}

.planilla-export-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.planilla-export-header h2 {
    margin: 0;
    font-size: clamp(1.35rem, 3vw, 1.7rem);
    line-height: 1.25;
}

.planilla-export-icon {
    display: grid;
    width: 54px;
    height: 54px;
    flex: 0 0 54px;
    place-items: center;
    color: #7dd3fc;
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    border: 1px solid rgba(56, 189, 248, 0.35);
    border-radius: 16px;
    background: rgba(56, 189, 248, 0.1);
}

.planilla-export-copy {
    margin: 1.1rem 0 1.4rem;
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
}

.planilla-export-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 15px;
    background: rgba(15, 23, 42, 0.42);
}

.planilla-export-fields .input-group {
    margin: 0;
}

.planilla-export-fields .filtro-elegante:disabled {
    color: #64748b;
    cursor: not-allowed;
    opacity: 0.62;
}

.planilla-export-fields label {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.planilla-export-actions {
    display: grid;
    grid-template-columns: 0.8fr 1fr 1fr;
    gap: 0.75rem;
    margin-top: 1rem;
}

.planilla-export-actions .btn {
    display: flex;
    min-height: 58px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.1rem;
    padding: 0.7rem;
}

.planilla-export-actions .btn small {
    font-size: 0.64rem;
    font-weight: 600;
    letter-spacing: 0;
    opacity: 0.72;
    text-transform: none;
}

.planilla-action-cancel {
    color: var(--text-secondary);
    border: 1px solid rgba(148, 163, 184, 0.24);
    background: rgba(148, 163, 184, 0.07);
}

.planilla-action-pdf {
    color: #07111f;
    background: linear-gradient(135deg, #38bdf8, #60a5fa);
    box-shadow: 0 10px 24px rgba(56, 189, 248, 0.16);
}

.planilla-action-csv {
    color: #052e24;
    background: linear-gradient(135deg, #34d399, #2dd4bf);
    box-shadow: 0 10px 24px rgba(52, 211, 153, 0.14);
}

@media (max-width: 600px) {
    .planilla-export-dialog {
        width: 94vw;
        padding: 1.35rem;
    }

    .planilla-export-fields,
    .planilla-export-actions {
        grid-template-columns: 1fr;
    }

    .planilla-export-actions .btn {
        min-height: 50px;
    }
}

.modal-estadisticas {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9998;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
    align-items: flex-start;
    justify-content: center;
    overflow-y: auto;
    padding: 2rem 1rem;
}

.modal-estadisticas-card {
    background: rgba(30, 41, 59, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    width: 100%;
    max-width: 1000px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
    margin: auto;
}

.modal-estadisticas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

    .modal-estadisticas-header h2 {
        margin: 0;
        font-size: 1.3rem;
        color: #f1f5f9;
    }

    .modal-estadisticas-header p {
        margin: 0.25rem 0 0;
        font-size: 0.8rem;
        color: #64748b;
    }

.est-loading {
    text-align: center;
    padding: 4rem;
    color: #64748b;
}

.est-loading-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.est-contenido {
    padding: 1.5rem 2rem 2rem;
}

.btn-cerrar-est {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    color: #94a3b8;
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-size: var(--fs-sm);
}

.form-hero {
    text-align: center;
    margin-bottom: 3rem;
}

    .form-hero p {
        color: var(--text-secondary);
        margin-top: 0.5rem;
    }

.clave-box {
    background: rgba(0, 0, 0, 0.4);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.clave-label {
    display: block;
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.seccion-card {
    margin-bottom: 1.5rem;
    padding: 1.5rem;
}

.planilla-scroll {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-blue) rgba(0,0,0,0.2);
}

.modal-padron {
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 2rem;
}

.th-accent-warning {
    color: var(--accent-warning);
}

.th-accent-purple {
    color: #a78bfa;
}

.th-separator {
    border-left: 2px dashed rgba(255,255,255,0.2);
}

.panel-edicion {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
}

.panel-edicion-title {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--accent-success);
}

.panel-edicion-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.horarios-add-row {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.horarios-search-row {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.horarios-search-wrap {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.contador-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.feriados-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.feriado-box {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.25rem;
}

    .feriado-box h4 {
        margin: 0 0 0.75rem;
        font-size: var(--fs-xs);
        text-transform: uppercase;
    }

.feriado-box-import h4 {
    color: #34d399;
}

.feriado-box-manual h4 {
    color: #fbbf24;
}

.feriado-import-row {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.feriado-import-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0.5rem 0 0;
}

.feriado-anio-row {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1rem;
}

.feriado-anio-label {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
}

.index-hero {
    text-align: center;
    margin-bottom: 4rem;
}

    .index-hero h1 {
        font-size: 3rem;
        margin-bottom: 1rem;
        letter-spacing: -1px;
    }

    .index-hero p {
        color: var(--text-secondary);
        font-size: var(--fs-lg);
        max-width: 600px;
        margin: 0 auto;
    }

.tabla-scroll-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

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

    .chart-grid-2 {
        grid-template-columns: 1fr;
    }

    .feriados-grid {
        grid-template-columns: 1fr;
    }

    .selector-academico {
        min-height: unset;
        align-items: flex-start;
        padding: 1rem 0;
    }

    .index-hero h1 {
        font-size: 2rem;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

button,
a,
input,
select,
textarea {
    -webkit-tap-highlight-color: transparent;
}

/* ===== Novedades, agenda y centro administrativo ===== */

.section-kicker {
    margin: 0 0 0.3rem;
    color: var(--accent-blue);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.navbar-home {
    padding: 0.45rem 0.75rem;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 700;
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: 9px;
}

.navbar-home:hover {
    color: var(--accent-blue);
    border-color: rgba(56, 189, 248, 0.45);
    background: rgba(56, 189, 248, 0.08);
}

.portal-summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.portal-summary-card {
    min-width: 0;
}

.feed-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.feed-list-horizontal {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.feed-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 0.9rem 1rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.42);
}

.feed-item::before {
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    content: "";
    background: var(--accent-blue);
}

.feed-item-warning::before {
    background: var(--accent-warning);
}

.feed-item-success::before {
    background: var(--accent-success);
}

.feed-item-body {
    min-width: 0;
    flex: 1;
}

.feed-item-body strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    line-height: 1.35;
}

.feed-item-body p,
.feed-item-body small,
.feed-item time {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.date-chip {
    min-width: 76px;
    color: var(--accent-warning);
    font-size: 0.72rem;
    font-weight: 800;
    line-height: 1.25;
    text-align: center;
    text-transform: uppercase;
}

.empty-state {
    margin: 0;
    padding: 1.15rem;
    color: var(--text-secondary);
    font-size: 0.86rem;
    text-align: center;
    border: 1px dashed var(--border-color);
    border-radius: 12px;
}

.agenda-profesor-card {
    margin-bottom: 1.5rem;
}

.modal-form-compact {
    width: min(92vw, 580px);
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem;
}

.form-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.optional-label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 400;
}

.icon-action {
    display: grid;
    width: 30px;
    height: 30px;
    flex: 0 0 30px;
    padding: 0;
    place-items: center;
    color: var(--text-secondary);
    font-size: 1.25rem;
    line-height: 1;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
}

.icon-action-danger:hover {
    color: #fecaca;
    border-color: rgba(248, 113, 113, 0.55);
    background: rgba(248, 113, 113, 0.12);
}

.admin-quick-search {
    position: relative;
    z-index: 20;
    margin-top: 1.25rem;
}

.admin-quick-search > label,
.admin-action-label {
    display: block;
    margin-bottom: 0.55rem;
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.search-field {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.7);
}

.search-field:focus-within {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.12);
}

.search-field > span {
    color: var(--accent-blue);
    font-size: 1.35rem;
}

.search-field input {
    width: 100%;
    padding: 0.85rem 0;
    border: 0;
    outline: 0;
    background: transparent;
}

.quick-results {
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 0;
    left: 0;
    max-height: 320px;
    padding: 0.45rem;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #111a2e;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);
}

.quick-result {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.7rem 0.8rem;
    color: var(--text-primary);
    text-align: left;
    border: 0;
    border-radius: 9px;
    background: transparent;
    cursor: pointer;
}

.quick-result:hover {
    background: rgba(56, 189, 248, 0.1);
}

.quick-result strong,
.quick-result small {
    display: block;
}

.quick-result small {
    margin-top: 0.15rem;
    color: var(--text-secondary);
}

.admin-command-center {
    margin-top: 1.5rem;
}

.admin-command-heading {
    margin-bottom: 1.25rem;
}

.admin-action-group + .admin-action-group {
    margin-top: 1.35rem;
}

.admin-action-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem;
}

.admin-action-grid-small {
    grid-template-columns: minmax(0, 1fr);
}

.admin-action-card {
    position: relative;
    display: flex;
    min-height: 76px;
    align-items: center;
    gap: 0.7rem;
    padding: 0.8rem;
    color: var(--text-primary);
    text-align: left;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.45);
    cursor: pointer;
    transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.admin-action-card:hover {
    transform: translateY(-2px);
    border-color: rgba(56, 189, 248, 0.5);
    background: rgba(56, 189, 248, 0.08);
}

.admin-action-card strong,
.admin-action-card small {
    display: block;
}

.admin-action-card strong {
    margin-bottom: 0.18rem;
    font-size: 0.87rem;
}

.admin-action-card small {
    color: var(--text-secondary);
    font-size: 0.7rem;
    line-height: 1.3;
}

.admin-action-icon {
    display: grid;
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    place-items: center;
    color: var(--accent-blue);
    font-size: 0.68rem;
    font-weight: 900;
    border: 1px solid rgba(56, 189, 248, 0.35);
    border-radius: 10px;
    background: rgba(56, 189, 248, 0.1);
}

.action-purple .admin-action-icon { color: #c4b5fd; border-color: rgba(167, 139, 250, .4); background: rgba(167, 139, 250, .1); }
.action-yellow .admin-action-icon { color: #fde047; border-color: rgba(250, 204, 21, .4); background: rgba(250, 204, 21, .1); }
.action-cyan .admin-action-icon { color: #67e8f9; border-color: rgba(34, 211, 238, .4); background: rgba(34, 211, 238, .1); }
.action-green .admin-action-icon { color: #6ee7b7; border-color: rgba(52, 211, 153, .4); background: rgba(52, 211, 153, .1); }
.action-pink .admin-action-icon { color: #f9a8d4; border-color: rgba(244, 114, 182, .4); background: rgba(244, 114, 182, .1); }
.action-orange .admin-action-icon { color: #fdba74; border-color: rgba(251, 146, 60, .4); background: rgba(251, 146, 60, .1); }

.command-badge {
    position: absolute;
    top: 0.4rem;
    right: 0.4rem;
    min-width: 22px;
    padding: 0.12rem 0.4rem;
    color: #172033;
    font-size: 0.68rem;
    font-weight: 900;
    text-align: center;
    border-radius: 999px;
    background: var(--accent-warning);
}

.modal-feature-admin {
    width: min(94vw, 1040px);
    max-height: 92vh;
    padding: 2rem;
    overflow-y: auto;
}

.modal-feature-admin-narrow {
    width: min(94vw, 760px);
}

.feature-admin-grid {
    display: grid;
    grid-template-columns: minmax(300px, 0.9fr) minmax(340px, 1.1fr);
    gap: 1.5rem;
}

.feature-form-panel,
.feature-list-panel {
    min-width: 0;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: rgba(15, 23, 42, 0.35);
}

.admin-feed-list {
    max-height: 60vh;
    overflow-y: auto;
    padding-right: 0.25rem;
}

.audience-pill {
    display: inline-block;
    margin-bottom: 0.35rem;
    padding: 0.16rem 0.45rem;
    color: #7dd3fc;
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    border-radius: 999px;
    background: rgba(56, 189, 248, 0.12);
}

.feature-help {
    margin: 0.5rem 0 1rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

@media (max-width: 900px) {
    .feature-admin-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .portal-summary-grid,
    .form-grid-2 {
        grid-template-columns: 1fr;
    }

    .admin-action-grid {
        grid-template-columns: 1fr;
    }

    .modal-feature-admin,
    .modal-form-compact {
        width: 96vw;
        padding: 1.15rem;
    }

    #dashboardSection .page-header {
        align-items: flex-start;
        gap: 0.9rem;
    }

    #dashboardSection .page-header .btn {
        width: auto;
    }
}

:focus-visible {
    outline: 3px solid rgba(56, 189, 248, 0.48);
    outline-offset: 3px;
}

@media (max-width: 640px) {
    .container {
        width: min(92%, 42rem);
        padding-top: var(--space-md);
    }

    .navbar {
        margin-bottom: var(--space-lg);
    }

    .glass-card,
    .form-wrapper,
    .module-card {
        border-radius: 1.1rem;
        padding: var(--space-md);
    }
}

/* ===== Sistema de movimiento ligero ===== */
:root {
    --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes softReveal {
    from {
        opacity: 0;
        transform: translate3d(0, 26px, 0) scale(0.975);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}

@keyframes rowReveal {
    from {
        opacity: 0;
        transform: translate3d(0, 10px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

.dashboard-grid > *,
.admin-grid > * {
    animation: softReveal 0.78s var(--ease-spring) both;
}

.dashboard-grid > *:nth-child(2),
.admin-grid > *:nth-child(2) { animation-delay: 110ms; }

.dashboard-grid > *:nth-child(3),
.admin-grid > *:nth-child(3) { animation-delay: 220ms; }

.dashboard-grid > *:nth-child(4),
.admin-grid > *:nth-child(4) { animation-delay: 330ms; }

.module-card::after {
    content: '';
    position: absolute;
    inset: -50%;
    pointer-events: none;
    background: linear-gradient(115deg, transparent 42%, rgba(255,255,255,0.08) 50%, transparent 58%);
    transform: translate3d(-45%, 0, 0);
    transition: transform 0.95s var(--ease-spring);
}

.module-card:hover::after {
    transform: translate3d(45%, 0, 0);
}

.btn {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    transform: translateZ(0);
    transition:
        transform 0.3s var(--ease-spring),
        box-shadow 0.3s var(--ease-smooth),
        background-color 0.3s var(--ease-smooth),
        border-color 0.3s var(--ease-smooth),
        color 0.3s var(--ease-smooth);
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: linear-gradient(110deg, transparent 25%, rgba(255,255,255,0.14), transparent 75%);
    transform: translate3d(-120%, 0, 0);
    transition: transform 0.55s var(--ease-spring);
}

.btn:hover {
    transform: translate3d(0, -2px, 0);
    box-shadow: 0 9px 22px rgba(0, 0, 0, 0.18);
}

.btn:hover::after {
    transform: translate3d(120%, 0, 0);
}

.btn:active {
    transform: translate3d(0, 0, 0) scale(0.975);
    transition-duration: 80ms;
}

.btn:disabled {
    transform: none;
    box-shadow: none;
}

input,
select,
textarea {
    transition:
        transform 0.2s var(--ease-spring),
        border-color 0.2s var(--ease-smooth),
        box-shadow 0.2s var(--ease-smooth),
        background-color 0.2s var(--ease-smooth);
}

input:focus,
select:focus,
textarea:focus {
    transform: translate3d(0, -1px, 0);
    border-color: rgba(56, 189, 248, 0.62);
    box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.1), 0 10px 24px rgba(0,0,0,0.12);
}

.modal-overlay {
    transition:
        opacity 0.25s var(--ease-smooth),
        visibility 0.25s var(--ease-smooth);
}

.modal-overlay.active {
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.modal-overlay .glass-card,
.modal-overlay > div {
    transform: translate3d(0, 34px, 0) scale(0.95);
    transition:
        transform 0.52s var(--ease-spring),
        opacity 0.34s var(--ease-smooth);
}

.modal-overlay.active .glass-card,
.modal-overlay.active > div {
    transform: translate3d(0, 0, 0) scale(1);
}

tbody tr {
    animation: rowReveal 0.48s var(--ease-spring) both;
}

tbody tr:nth-child(2) { animation-delay: 20ms; }
tbody tr:nth-child(3) { animation-delay: 40ms; }
tbody tr:nth-child(4) { animation-delay: 60ms; }
tbody tr:nth-child(5) { animation-delay: 80ms; }
tbody tr:nth-child(6) { animation-delay: 100ms; }
tbody tr:nth-child(7) { animation-delay: 120ms; }
tbody tr:nth-child(8) { animation-delay: 140ms; }

tbody tr:hover {
    background-color: rgba(56, 189, 248, 0.045);
}

.toast.show {
    animation: softReveal 0.35s var(--ease-spring) both;
}

.info-box,
.feriado-box,
.panel-edicion {
    transition:
        transform 0.28s var(--ease-spring),
        border-color 0.28s var(--ease-smooth),
        box-shadow 0.28s var(--ease-smooth);
}

.info-box:hover,
.feriado-box:hover,
.panel-edicion:hover {
    transform: translate3d(0, -3px, 0);
    border-color: rgba(56, 189, 248, 0.22);
    box-shadow: 0 12px 28px rgba(0,0,0,0.14);
}

@media (hover: none) {
    .module-card:hover,
    .btn:hover,
    .info-box:hover,
    .feriado-box:hover,
    .panel-edicion:hover {
        transform: none;
    }

    .module-card::after,
    .btn::after {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
    }

    .fade-in,
    .dashboard-grid > *,
    .admin-grid > *,
    tbody tr,
    .toast.show {
        animation-duration: 0.48s !important;
        animation-delay: 0ms !important;
        animation-iteration-count: 1 !important;
    }

    .btn,
    input,
    select,
    textarea,
    .module-card,
    .modal-overlay,
    .modal-overlay .glass-card,
    .modal-overlay > div {
        transition-duration: 0.24s !important;
    }

    .module-card::after,
    .btn::after {
        display: none;
    }
}