@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* --- MANUAL DE MARCA DE LA ESCUELA --- */
    /* A. Bloque TICs (Gama del Azul - Inteligencia) */
    --brand-tic-primario: 229 80% 58%;    /* #3F60EB (Azul Ultramar) */
    --brand-tic-secundario: 228 80% 64%;  /* #5977EE */
    --brand-tic-terciario: 228 80% 68%;   /* #6886EF */
    --brand-tic-cuaternario: 228 80% 71%;  /* #7891F0 */

    /* B. Bloque Producción Multimedial (Gama del Violeta - Creatividad) */
    --brand-multi-primario: 268 80% 58%;   /* #8E3FEB (Verónica) */
    --brand-multi-secundario: 268 80% 64%; /* #9E59EE */
    --brand-multi-terciario: 268 80% 67%;  /* #A768F0 */
    --brand-multi-cuaternario: 268 80% 70%; /* #AF76F1 */

    /* C. Bloque de Integración (Gama del Amarillo - Optimismo y Energía) */
    --brand-integ-primario: 52 80% 58%;     /* #EAD340 (Tormenta de arena) */
    --brand-integ-secundario: 52 80% 64%;   /* #EDD95A */
    --brand-integ-terciario: 51 80% 67%;    /* #EFDC69 */
    --brand-integ-cuaternario: 51 80% 70%;   /* #F0DF77 */

    /* D. Colores Neutros de Soporte */
    --brand-negro-secundario: 0 0% 3%;      /* #080808 */
    --brand-blanco-secundario: 0 0% 97%;    /* #F7F7F7 */

    /* E. Franja Multicolor de Marca Demo */
    --brand-multicolor-gradient: linear-gradient(to right, #3b82f6, #6366f1, #8b5cf6, #ec4899, #f43f5e);


    /* Tema Claro por defecto */
    --hsl-bg-primary: var(--brand-blanco-secundario);
    --hsl-bg-secondary: 0 0% 100%;
    --hsl-bg-tertiary: 0 0% 93%;
    --hsl-text-primary: var(--brand-negro-secundario);
    --hsl-text-secondary: 228 12% 45%;
    --hsl-border: 228 15% 88%;
    --hsl-accent: var(--brand-tic-primario);
    --hsl-accent-glow: var(--brand-tic-primario) / 15%;
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.40);
    --hsl-success: 117 40% 42%;     /* #449440 (Verde Bosque - Marca) */
    --hsl-warning: 39 94% 51%;      /* #f7a60b (Naranja - Marca) */
    --hsl-danger: 345 99% 45%;      /* #e4013b (Rojo - Marca) */
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 15px hsl(var(--hsl-accent-glow));
}

.dark-theme {
    /* Tema Oscuro */
    --hsl-bg-primary: var(--brand-negro-secundario);
    --hsl-bg-secondary: 0 0% 8%;
    --hsl-bg-tertiary: 0 0% 14%;
    --hsl-text-primary: var(--brand-blanco-secundario);
    --hsl-text-secondary: 228 10% 70%;
    --hsl-border: 0 0% 16%;
    --hsl-accent: var(--brand-tic-secundario);
    --hsl-accent-glow: var(--brand-tic-secundario) / 25%;
    --glass-bg: rgba(20, 20, 20, 0.65);
    --glass-border: rgba(255, 255, 255, 0.08);
    --hsl-success: 117 50% 50%;    /* Verde Bosque optimizado para modo oscuro */
    --hsl-warning: 39 94% 56%;     /* Naranja optimizado para modo oscuro */
    --hsl-danger: 345 99% 52%;      /* Rojo optimizado para modo oscuro */
}

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

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--brand-multicolor-gradient);
    z-index: 99999;
    pointer-events: none;
}

body {
    font-family: 'Outfit', 'Inter', -apple-system, sans-serif;
    background-color: hsl(var(--hsl-bg-primary));
    color: hsl(var(--hsl-text-primary));
    line-height: 1.5;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    padding-top: 4px; /* Account for the fixed 4px top brand border */
}

/* Custom scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: hsl(var(--hsl-bg-primary));
}
::-webkit-scrollbar-thumb {
    background: hsl(var(--hsl-bg-tertiary));
    border-radius: 9999px;
    border: 2px solid hsl(var(--hsl-bg-primary));
}
::-webkit-scrollbar-thumb:hover {
    background: hsl(var(--hsl-accent) / 60%);
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
    width: 100vw;
}

/* Sidebar navigation */
.sidebar {
    width: 280px;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-right: 1px solid var(--glass-border);
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    transition: width var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 8px 24px;
    position: relative;
    margin-bottom: 24px;
}

.sidebar-brand::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--brand-multicolor-gradient);
    border-radius: 99px;
}

.brand-logo-img {
    max-height: 48px;
    object-fit: contain;
    transition: transform var(--transition-normal);
}

.brand-logo-img:hover {
    transform: scale(1.02);
}

.brand-logo-img.logo-light {
    display: block;
    width: 100%;
}

.brand-logo-img.logo-dark {
    display: none;
    width: 100%;
}

.dark-theme .brand-logo-img.logo-light {
    display: none;
}

.dark-theme .brand-logo-img.logo-dark {
    display: block;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-grow: 1;
}

.nav-button {
    background: transparent;
    border: none;
    outline: none;
    color: hsl(var(--hsl-text-secondary));
    padding: 12px 16px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
    position: relative;
    transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.nav-button svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

.nav-button:hover {
    background-color: hsl(var(--hsl-bg-tertiary));
    color: hsl(var(--hsl-text-primary));
}

.nav-button.active {
    background-color: hsl(var(--hsl-accent) / 10%);
    color: hsl(var(--hsl-accent));
    font-weight: 600;
}

.nav-button.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 4px;
    background: linear-gradient(to bottom, hsl(var(--brand-tic-primario)), hsl(var(--brand-multi-primario)));
    border-radius: 0 4px 4px 0;
}

.sidebar-footer {
    display: flex;
    flex-direction: column;
    gap: 16px;
    border-top: 1px solid var(--glass-border);
    padding-top: 16px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: hsl(var(--hsl-bg-tertiary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: hsl(var(--hsl-accent));
    border: 2px solid hsl(var(--hsl-accent) / 20%);
}

.user-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.user-name {
    font-size: 0.88rem;
    font-weight: 600;
    color: hsl(var(--hsl-text-primary));
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.user-role {
    font-size: 0.75rem;
    color: hsl(var(--hsl-text-secondary));
    text-transform: capitalize;
}

.theme-toggle-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: hsl(var(--hsl-bg-tertiary));
    padding: 6px;
    border-radius: 10px;
}

.theme-btn {
    flex: 1;
    background: transparent;
    border: none;
    padding: 6px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: hsl(var(--hsl-text-secondary));
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.theme-btn svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

.theme-btn.active {
    background-color: hsl(var(--hsl-bg-secondary));
    color: hsl(var(--hsl-text-primary));
    box-shadow: var(--shadow-sm);
}

/* Main Content Area */
.main-content {
    margin-left: 280px;
    padding: 40px;
    width: calc(100% - 280px);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 30px;
    transition: margin-left var(--transition-normal), width var(--transition-normal);
}

.vista-container {
    display: none;
    animation: fadeIn var(--transition-normal);
}

.vista-container.active {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Vista Headers */
.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.view-header-title h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.view-header-title p {
    color: hsl(var(--hsl-text-secondary));
    font-size: 0.95rem;
}

/* Dashboard Metric Cards */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.metric-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: hsl(var(--hsl-accent) / 30%);
}

.metric-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: hsl(var(--hsl-accent) / 10%);
    color: hsl(var(--hsl-accent));
}

.metric-icon.success {
    background-color: hsl(var(--hsl-success) / 10%);
    color: hsl(var(--hsl-success));
}

.metric-icon.danger {
    background-color: hsl(var(--hsl-danger) / 10%);
    color: hsl(var(--hsl-danger));
}

.metric-icon.info {
    background-color: rgba(2, 132, 199, 0.1);
    color: #0284c7;
}

.metric-icon svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

.metric-details {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.1;
    color: hsl(var(--hsl-text-primary));
}

.metric-label {
    font-size: 0.85rem;
    color: hsl(var(--hsl-text-secondary));
    font-weight: 500;
}

/* Glassmorphic Search / Form Card */
.search-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.search-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    align-items: flex-end;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: hsl(var(--hsl-text-secondary));
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
    background-color: hsl(var(--hsl-bg-primary));
    color: hsl(var(--hsl-text-primary));
    border: 1px solid hsl(var(--hsl-border));
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    border-color: hsl(var(--hsl-accent));
    box-shadow: 0 0 0 3px hsl(var(--hsl-accent-glow));
}

.form-group input:disabled,
.form-group select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Fix dropdown option colors in dark/light modes */
select option {
    background-color: hsl(var(--hsl-bg-secondary));
    color: hsl(var(--hsl-text-primary));
    padding: 8px 12px;
}

.dark-theme select option {
    background-color: #121723;
    color: #f3f4f6;
}


/* Buttons System */
.btn-accent, .btn-secondary, .btn-danger, .btn-success, .btn-info {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-accent svg, .btn-secondary svg, .btn-danger svg, .btn-success svg, .btn-info svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

.btn-accent {
    background: linear-gradient(135deg, hsl(var(--brand-tic-primario)), hsl(var(--brand-tic-secundario)));
    color: white;
    box-shadow: 0 4px 12px hsl(var(--brand-tic-primario) / 20%);
}

.btn-accent:hover:not(:disabled) {
    background: linear-gradient(135deg, hsl(var(--brand-tic-primario) / 90%), hsl(var(--brand-tic-secundario)) / 90%);
    box-shadow: 0 4px 16px hsl(var(--brand-tic-primario) / 30%);
}

.btn-secondary {
    background-color: hsl(var(--hsl-bg-tertiary));
    color: hsl(var(--hsl-text-primary));
}

.btn-secondary:hover:not(:disabled) {
    background-color: hsl(var(--hsl-border));
}

.btn-danger {
    background-color: hsl(var(--hsl-danger) / 10%);
    color: hsl(var(--hsl-danger));
}

.btn-danger:hover:not(:disabled) {
    background-color: hsl(var(--hsl-danger));
    color: white;
    box-shadow: 0 4px 12px hsl(var(--hsl-danger) / 20%);
}

.btn-success {
    background-color: hsl(var(--hsl-success) / 10%);
    color: hsl(var(--hsl-success));
}

.btn-success:hover:not(:disabled) {
    background-color: hsl(var(--hsl-success));
    color: white;
    box-shadow: 0 4px 12px hsl(var(--hsl-success) / 20%);
}

.btn-info {
    background-color: rgba(2, 132, 199, 0.1);
    color: #0284c7;
}

.btn-info:hover:not(:disabled) {
    background-color: #0284c7;
    color: white;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.2);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none !important;
}

/* Table inline buttons (Ver Ficha) */
.details-button {
    background-color: hsl(var(--brand-tic-primario) / 8%);
    color: hsl(var(--brand-tic-primario));
    border: 1px solid hsl(var(--brand-tic-primario) / 25%);
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition-fast);
    outline: none;
}

.details-button:hover {
    background-color: hsl(var(--brand-tic-primario));
    color: white;
    box-shadow: 0 2px 8px hsl(var(--brand-tic-primario) / 20%);
    border-color: transparent;
    transform: translateY(-1px);
}

.details-button:active {
    transform: translateY(0);
}

/* Advanced search sliding drawer */
.advanced-search-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: hsl(var(--hsl-text-secondary));
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 600;
    user-select: none;
    transition: color var(--transition-fast);
}

.advanced-search-toggle:hover {
    color: hsl(var(--hsl-accent));
}

.advanced-search-toggle svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.advanced-search-toggle.active svg {
    transform: rotate(180deg);
}

.advanced-options {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal), opacity var(--transition-normal);
    opacity: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.advanced-options.show {
    max-height: 150px;
    opacity: 1;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
    accent-color: hsl(var(--hsl-accent));
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Notification Badge Filters */
.filtros-previa-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    background-color: hsl(var(--hsl-bg-tertiary) / 50%);
    padding: 16px 20px;
    border-radius: 12px;
    border: 1px dashed hsl(var(--hsl-border));
}

/* Actions Container */
.acciones-container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* Results Count & Badges */
.results-info-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cantidad-res {
    font-size: 0.9rem;
    font-weight: 600;
    color: hsl(var(--hsl-text-secondary));
}

/* Modern Glass Table styles */
.tabla-container {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table-responsive {
    overflow-x: auto;
    width: 100%;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    text-align: left;
}

table th,
table td {
    padding: 14px 20px;
    border-bottom: 1px solid hsl(var(--hsl-border));
    vertical-align: middle;
}

table th {
    background-color: hsl(var(--hsl-bg-tertiary) / 60%);
    color: hsl(var(--hsl-text-secondary));
    font-weight: 600;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

table tbody tr {
    transition: background-color var(--transition-fast);
}

table tbody tr:hover {
    background-color: hsl(var(--hsl-bg-tertiary) / 30%);
}

table tbody tr:last-child td {
    border-bottom: none;
}

/* Modern Status Pill Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: capitalize;
}

.badge-approved {
    background-color: hsl(var(--hsl-success) / 10%);
    color: hsl(var(--hsl-success));
}

.badge-failed {
    background-color: hsl(var(--hsl-danger) / 10%);
    color: hsl(var(--hsl-danger));
}

.badge-process {
    background-color: hsl(var(--hsl-warning) / 10%);
    color: hsl(var(--hsl-warning));
}

/* Student detail row inside analysis view */
.detalle-materias-row td {
    background-color: hsl(var(--hsl-bg-primary) / 60%) !important;
    padding: 20px 30px !important;
}

.lista-materias-analisis {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
    list-style: none;
}

.lista-materias-analisis li {
    background-color: hsl(var(--hsl-bg-secondary));
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid hsl(var(--hsl-border));
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lista-materias-analisis li strong {
    color: hsl(var(--hsl-accent));
}

/* Colors indicators on students */
.color-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
}

.color-tag.color-azul {
    background-color: hsla(var(--brand-tic-primario) / 15%);
    color: hsl(var(--brand-tic-primario));
    border: 1px solid hsla(var(--brand-tic-primario) / 30%);
}

.color-tag.color-rosa {
    background-color: hsla(var(--brand-multi-primario) / 15%);
    color: hsl(var(--brand-multi-primario));
    border: 1px solid hsla(var(--brand-multi-primario) / 30%);
}

.color-tag.color-rojo {
    background-color: hsla(var(--brand-integ-primario) / 15%);
    color: hsl(var(--brand-integ-primario));
    border: 1px solid hsla(var(--brand-integ-primario) / 35%);
}

/* --- Glassmorphic Login Overlay --- */
.login-view-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
    background: radial-gradient(circle at top right, hsl(var(--brand-tic-primario) / 20%), transparent 40%),
                radial-gradient(circle at bottom left, hsl(var(--brand-multi-primario)) / 15%, transparent 40%),
                hsl(var(--hsl-bg-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn var(--transition-normal);
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--shadow-lg), 0 0 40px hsl(var(--hsl-accent-glow));
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    position: relative;
    overflow: hidden;
}

.login-logo {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: linear-gradient(135deg, hsl(var(--brand-tic-primario)), hsl(var(--brand-multi-primario)));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px hsl(var(--brand-tic-primario) / 30%);
}

.login-logo svg {
    width: 32px;
    height: 32px;
    fill: white;
}

.login-header {
    text-align: center;
}

.login-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 6px;
}

.login-header p {
    color: hsl(var(--hsl-text-secondary));
    font-size: 0.88rem;
}

.login-form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-icon input {
    width: 100%;
    background-color: hsl(var(--hsl-bg-primary) / 60%);
    color: hsl(var(--hsl-text-primary));
    border: 1px solid hsl(var(--hsl-border));
    border-radius: 12px;
    padding: 12px 14px 12px 42px;
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-with-icon input:focus {
    border-color: hsl(var(--hsl-accent));
    box-shadow: 0 0 0 3px hsl(var(--hsl-accent-glow));
    background-color: hsl(var(--hsl-bg-primary));
}

.input-icon {
    position: absolute;
    left: 14px;
    color: hsl(var(--hsl-text-secondary));
    pointer-events: none;
}

.input-icon svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

.toggle-password {
    position: absolute;
    right: 14px;
    color: hsl(var(--hsl-text-secondary));
    cursor: pointer;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-password svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

.toggle-password:hover {
    color: hsl(var(--hsl-text-primary));
}

.login-card.shake {
    animation: shake 0.4s ease;
}

/* Modals styling (frosted glass) */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    overflow-y: auto;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 40px 20px;
}

.modal-content {
    background-color: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    margin: 0 auto;
    padding: 36px;
    width: 100%;
    max-width: 960px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg), 0 0 50px rgba(0, 0, 0, 0.05);
    position: relative;
    animation: slideUp var(--transition-normal);
}

.close-button {
    position: absolute;
    top: 20px;
    right: 24px;
    color: hsl(var(--hsl-text-secondary));
    font-size: 28px;
    font-weight: 500;
    cursor: pointer;
    line-height: 1;
    transition: color var(--transition-fast);
}

.close-button:hover {
    color: hsl(var(--hsl-text-primary));
}

.modal-sections {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.adults-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.info-card {
    background-color: hsl(var(--hsl-bg-primary) / 40%);
    border: 1px solid hsl(var(--hsl-border));
    border-radius: 16px;
    padding: 20px;
}

.info-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: hsl(var(--hsl-accent));
    margin-bottom: 16px;
    border-bottom: 1px solid hsl(var(--hsl-border));
    padding-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: hsl(var(--hsl-text-secondary));
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 0.95rem;
    font-weight: 500;
    color: hsl(var(--hsl-text-primary));
    overflow-wrap: break-word;
    word-break: break-word;
}

/* Modal Table Styling */
.tabla-detalle {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    border: 1px solid hsl(var(--hsl-border));
}

.tabla-detalle th,
.tabla-detalle td {
    border: 1px solid hsl(var(--hsl-border));
    padding: 10px 12px;
    text-align: center;
}

.tabla-detalle th {
    background-color: hsl(var(--hsl-bg-tertiary));
    font-weight: 600;
}

.tabla-detalle tbody td:first-child {
    text-align: left;
    font-weight: 600;
}

.tabla-detalle td strong {
    font-weight: 700;
}

/* Toasts notifications System */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 2000;
}

.toast {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    color: hsl(var(--hsl-text-primary));
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 280px;
    max-width: 380px;
    animation: slideIn var(--transition-normal);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.toast.success {
    border-left: 4px solid hsl(var(--hsl-success));
}

.toast.error {
    border-left: 4px solid hsl(var(--hsl-danger));
}

.toast.info {
    border-left: 4px solid hsl(var(--hsl-accent));
}

.toast-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-icon.success { color: hsl(var(--hsl-success)); }
.toast-icon.error { color: hsl(var(--hsl-danger)); }
.toast-icon.info { color: hsl(var(--hsl-accent)); }

.toast-icon svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

.toast-message {
    font-size: 0.88rem;
    font-weight: 500;
}

/* Loading Spinners */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* --- Keyframe Animations --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

/* Mobile responsive fixes */
@media (max-width: 1024px) {
    .sidebar {
        width: 80px;
        padding: 24px 8px;
    }
    .sidebar-brand, .brand-text, .user-info, .sidebar-footer button span {
        display: none;
    }
    .nav-button {
        justify-content: center;
        padding: 12px;
    }
    .nav-button span {
        display: none;
    }
    .main-content {
        margin-left: 80px;
        width: calc(100% - 80px);
        padding: 24px;
    }
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100vw;
        height: 60px;
        flex-direction: row;
        position: fixed;
        bottom: 0;
        top: auto;
        left: 0;
        padding: 6px 12px;
        border-right: none;
        border-top: 1px solid var(--glass-border);
        box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
    }
    .sidebar-brand, .sidebar-footer {
        display: none;
    }
    .sidebar-menu {
        flex-direction: row;
        justify-content: space-around;
        width: 100%;
        margin: 0;
    }
    .nav-button {
        flex: 1;
        padding: 8px;
    }
    .main-content {
        margin-left: 0;
        width: 100%;
        padding: 16px;
        padding-bottom: 80px; /* Space for bottom nav */
    }
    .view-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    .modal-content {
        padding: 20px;
    }
}

/* --- ESTILOS DE FILTROS AVANZADOS EN ANÁLISIS DE NOTAS --- */

/* Badge de conteo dinámico */
.count-badge {
    background: hsl(var(--hsl-bg-tertiary));
    color: hsl(var(--hsl-text-secondary));
    font-size: 0.72rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 9999px;
    margin-left: auto;
    border: 1px solid hsl(var(--hsl-border));
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dark-theme .count-badge {
    background: rgba(255, 255, 255, 0.08);
}

/* Listas de filtros seleccionables */
.filter-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-list-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.82rem;
    color: hsl(var(--hsl-text-primary));
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
    user-select: none;
}

.filter-list-item:hover {
    background-color: hsl(var(--hsl-bg-tertiary));
}

.filter-list-item.active {
    background-color: hsl(var(--hsl-accent) / 10%);
    color: hsl(var(--hsl-accent));
    font-weight: 600;
}

.filter-list-item .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: transparent;
    border: 1.5px solid hsl(var(--hsl-text-secondary));
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.filter-list-item.active .dot {
    background-color: hsl(var(--hsl-accent));
    border-color: hsl(var(--hsl-accent));
}

/* Sliders personalizados de rangos */
.slider-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 8px 4px;
}

.slider-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.82rem;
    color: hsl(var(--hsl-text-primary));
    font-weight: 500;
}

.slider-header span.slider-title {
    color: hsl(var(--hsl-text-secondary));
}

.slider-header span.slider-value {
    font-weight: 700;
    color: hsl(var(--hsl-accent));
    background: hsl(var(--hsl-accent) / 8%);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.slider-container input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    border-radius: 2px;
    background: hsl(var(--hsl-border));
    outline: none;
    cursor: pointer;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: white;
    border: 2px solid hsl(var(--hsl-accent));
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
    transition: transform var(--transition-fast);
}

.slider-container input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.slider-container span.slider-label {
    font-size: 0.75rem;
    color: hsl(var(--hsl-text-secondary));
    font-weight: 500;
    min-width: 12px;
    text-align: center;
}

/* Popover Flotante de Cursos por Año */
.year-filter-item {
    position: relative;
}

.year-popover {
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 14px 16px;
    box-shadow: var(--shadow-lg);
    z-index: 200;
    display: none;
    width: 210px;
    animation: fadeIn var(--transition-fast);
}

/* Flecha del popover */
.year-popover::before {
    content: "";
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: transparent var(--glass-border) transparent transparent;
}

.year-filter-item:hover .year-popover {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.popover-section-title {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    color: hsl(var(--hsl-text-secondary));
    letter-spacing: 0.5px;
    margin-bottom: 2px;
    border-bottom: 1.5px solid hsl(var(--hsl-border));
    padding-bottom: 4px;
}

.popover-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.popover-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 8px;
    border-radius: 6px;
    font-size: 0.78rem;
    color: hsl(var(--hsl-text-primary));
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
    border: 1px solid transparent;
}

.popover-item:hover {
    background-color: hsl(var(--hsl-bg-tertiary));
}

.popover-item.active {
    background-color: hsl(var(--hsl-accent) / 10%);
    color: hsl(var(--hsl-accent));
    border-color: hsl(var(--hsl-accent) / 20%);
    font-weight: 600;
}

.popover-item .count {
    font-size: 0.7rem;
    color: hsl(var(--hsl-text-secondary));
    font-weight: 600;
}

.popover-item.active .count {
    color: hsl(var(--hsl-accent));
}

.year-popover hr {
    border: none;
    border-top: 1px solid hsl(var(--hsl-border));
    margin: 4px 0;
}

#detalle-calificaciones-actuales {
    margin-top: 24px;
}

/* --- SELECTOR DE AÑO GLOBAL --- */
.global-year-selector-container {
    padding: 0 16px 20px;
    display: flex;
    justify-content: center;
}

.year-selector-group {
    display: flex;
    background: hsl(var(--hsl-bg-tertiary) / 60%);
    padding: 4px;
    border-radius: 10px;
    border: 1px solid hsl(var(--hsl-border));
    width: 100%;
}

.year-btn {
    flex: 1;
    padding: 8px 0;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.85rem;
    font-family: inherit;
    color: hsl(var(--hsl-text-secondary));
    transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
    text-align: center;
}

.year-btn:hover:not(.active) {
    color: hsl(var(--hsl-text-primary));
    background-color: hsl(var(--hsl-bg-tertiary) / 40%);
}

.year-btn.active {
    background-color: hsl(var(--hsl-bg-secondary));
    color: hsl(var(--hsl-text-primary));
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.btn-disabled-cate {
    opacity: 0.55 !important;
    cursor: not-allowed !important;
}

/* --- DASHBOARD DE CONTROL DE CARGA --- */
.verificar-notas-dashboard {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 24px;
    margin-bottom: 20px;
    background: hsl(var(--hsl-bg-tertiary) / 30%);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid hsl(var(--hsl-border));
    align-items: center;
}

.verificar-notas-chart-container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto;
}

.verificar-notas-chart-svg {
    width: 150px;
    height: 150px;
    transform: rotate(-90deg);
}

.verificar-notas-chart-center {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.verificar-notas-chart-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: hsl(var(--hsl-text-primary));
}

.verificar-notas-chart-label {
    font-size: 0.68rem;
    color: hsl(var(--hsl-text-secondary));
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.verificar-notas-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 768px) {
    .verificar-notas-dashboard {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .verificar-notas-stats-grid {
        grid-template-columns: 1fr;
    }
}