/* Variables CSS para temas */
:root {
    /* Colores principales */
    --primary-color: #667eea;
    --primary-dark: #764ba2;
    --secondary-color: #2575fc;
    --accent-color: #6a11cb;
    
    /* Colores de fondo */
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f8f9fa;
    --bg-card: #ffffff;
    --bg-modal: rgba(0, 0, 0, 0.5);
    
    /* Colores de texto */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-muted: #adb5bd;
    --text-inverse: #ffffff;
    
    /* Colores de borde */
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    --border-focus: #667eea;
    
    /* Colores de estado */
    --success-color: #28a745;
    --success-light: #20c997;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --info-color: #3498db;
    
    /* Sombras */
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-success: linear-gradient(135deg, var(--success-color), var(--success-light));
    --gradient-danger: linear-gradient(135deg, #ff6b6b, #ee5253);
    
    /* Color personalizable para encabezados de días */
    --day-header-bg: var(--gradient-primary);
    
    /* Menú contextual */
    --context-menu-bg: var(--bg-secondary);
    --context-menu-hover: #f0f4ff;
    --context-menu-text: var(--text-primary);
    --context-menu-border: var(--border-light);
}

/* Tema oscuro */
[data-theme="dark"] {
    /* Colores principales (mantener los mismos) */
    --primary-color: #667eea;
    --primary-dark: #764ba2;
    --secondary-color: #2575fc;
    --accent-color: #6a11cb;
    
    /* Colores de fondo */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --bg-card: #2d2d2d;
    --bg-modal: rgba(0, 0, 0, 0.8);
    
    /* Colores de texto */
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    --text-inverse: #333333;
    
    /* Colores de borde */
    --border-color: #444444;
    --border-light: #555555;
    --border-focus: #667eea;
    
    /* Sombras más sutiles para modo oscuro */
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
    
    /* Menú contextual en modo oscuro */
    --context-menu-bg: #2d2d2d;
    --context-menu-hover: #3a3a3a;
    --context-menu-text: #ffffff;
    --context-menu-border: #444444;
}

/* Estilos generales */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Estilos para el contenedor principal */
.content-wrapper {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex: 1;
}

/* Estilos de la página principal */
.hero {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    text-align: center;
    padding: 100px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: var(--gradient-secondary);
    color: var(--text-inverse);
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    text-transform: uppercase;
    letter-spacing: 1px;

    &:hover {
        transform: translateY(-3px);
        box-shadow: 0 15px 40px rgba(0,0,0,0.3);
        background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
    }
}

/* Estilos para el menú lateral */
.sidebar-menu {
    width: 250px;
    flex-shrink: 0;
    background-color: var(--bg-card);
    border-radius: 10px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 15px;
    height: fit-content;
}

.sidebar-menu h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.sidebar-menu button {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);

    &:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
}

.menu-item {
    margin-bottom: 25px;}

/* Estilos para el menú contextual */
.context-menu {
    position: fixed;
    background-color: var(--context-menu-bg);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    min-width: 180px;
    z-index: 1000;
    overflow: hidden;
    border: 1px solid var(--context-menu-border);
    animation: contextMenuFadeIn 0.2s ease-out;
    transform-origin: top left;
}

@keyframes contextMenuFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.context-menu-item {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--context-menu-text);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

.context-menu-item:hover {
    background-color: var(--context-menu-hover);
}

.context-menu-item:active {
    transform: scale(0.98);
}

.context-menu-item i {
    font-size: 1rem;
    color: var(--primary-color);
    width: 20px;
    text-align: center;
}

/* Efecto de ondas al hacer clic */
.context-menu-item::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    width: 100px;
    height: 100px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    transition: transform 0.5s, opacity 0.5s;
}

.context-menu-item:active::after {
    transform: translate(-50%, -50%) scale(2);
    opacity: 0;
    transition: 0s;
}

/* Separador para el menú contextual */
.context-menu-divider {
    height: 1px;
    background-color: var(--context-menu-border);
    margin: 5px 0;
}

.menu-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.menu-item .icon-container {
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.menu-item .icon-container i {
    font-size: 24px;
    color: var(--text-inverse);
}

.menu-item h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.menu-item .action-button {
    width: 100%;
}

.back-to-home {
    margin-top: auto;
    text-align: center;
    padding: 10px;
    background-color: var(--bg-tertiary);
    border-radius: 5px;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background-color 0.3s;

    &:hover {
        background-color: var(--border-color);
    }
}

/* Estilos para el contenido principal */
.main-content {
    flex: 1;
    background-color: var(--bg-card);
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow-sm);
    overflow-y: auto;
}

.main-content h2 {
    margin-bottom: 20px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 10px;
}

.calendars-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.calendar-card {
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    padding: 15px;
    border-left: 4px solid var(--secondary-color);
    transition: transform 0.3s, box-shadow 0.3s;

    &:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-md);
    }
}

.calendar-card h3 {
    margin-bottom: 10px;
    color: var(--text-primary);
}

.calendar-card p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.calendar-actions {
    display: flex;
    justify-content: space-between;
}

.empty-message {
    color: var(--text-secondary);
    text-align: center;
    padding: 20px;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    font-style: italic;
}

/* Estilos para botones */
.action-button {
    background: var(--gradient-secondary);
    color: var(--text-inverse);
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: opacity 0.3s;

    &:hover {
        opacity: 0.9;
    }
}

/* Estilos del footer */
.main-footer {
    text-align: center;
    padding: 20px 0;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-light);
    margin-top: auto;
}

/* Estilos para modales */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-modal);
    z-index: 1000;
    overflow-y: auto;
}

.modal-content {
    background-color: var(--bg-card);
    margin: 50px auto;
    padding: 30px;
    border-radius: 10px;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.close-button {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);

    &:hover {
        color: var(--text-primary);
    }
}

.modal h2 {
    margin-bottom: 20px;
    color: var(--text-primary);
    text-align: center;
}

/* Estilos para formularios */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--border-focus);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.submit-button {
    background: var(--gradient-secondary);
    color: var(--text-inverse);
    border: none;
    padding: 12px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    width: 100%;
    transition: opacity 0.3s;

    &:hover {
        opacity: 0.9;
    }
}

/* Estilos para pestañas */
.tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.tab-button {
    padding: 10px 20px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
}

.tab-button.active {
    color: var(--secondary-color);
    border-bottom: 2px solid var(--secondary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Estilos para listas */
.task-list,
.exam-list {
    margin-top: 30px;
}

.task-list h3,
.exam-list h3 {
    margin-bottom: 15px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 10px;
}

#pending-tasks,
#scheduled-exams {
    list-style: none;
}

#pending-tasks li,
#scheduled-exams li {
    background-color: var(--bg-tertiary);
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 5px;
    border-left: 4px solid var(--secondary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#pending-tasks li .task-info,
#scheduled-exams li .exam-info {
    flex: 1;
}

#pending-tasks li .task-actions,
#scheduled-exams li .exam-actions {
    display: flex;
    gap: 10px;
}

.action-icon {
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.3s;

    &:hover {
        color: var(--secondary-color);
    }
}

/* Estilos para prioridades de tareas */
.priority-high {
    border-left-color: var(--danger-color) !important;
}

.priority-medium {
    border-left-color: var(--warning-color) !important;
}

.priority-low {
    border-left-color: var(--success-color) !important;
}

/* Estilos para el calendario */
.calendar {
    background-color: var(--bg-card);
    border-radius: 10px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.calendar-view-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px;
    margin-bottom: 10px;
}

.day-name {
    text-align: center;
    font-weight: bold;
    padding: 10px;
    background-color: var(--bg-tertiary);
    border-radius: 5px;
    color: var(--text-primary);
}

.days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px;
}

.day {
    height: 80px;
    padding: 10px;
    text-align: center;
    border-radius: 5px;
    background-color: var(--bg-tertiary);
    cursor: pointer;
    transition: background-color 0.3s;
    position: relative;
    color: var(--text-primary);

    &:hover {
        background-color: var(--border-light);
    }
}

.day.today {
    background-color: #e8f4fd;
    border: 2px solid var(--secondary-color);
}

.day.selected {
    background-color: #d4e6f9;
}

.day.empty {
    background-color: transparent;
    cursor: default;
}

.day .day-number {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 5px;
}

.day .events {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Estilos para el horario semanal */
.weekly-schedule-container {
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 20px;
    margin-top: 20px;
    overflow-x: auto;
}

.schedule-grid {
    display: grid;
    grid-template-columns: 80px repeat(7, 1fr);
    gap: 2px;
    min-width: 800px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 10px;
}

.time-header {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    padding: 12px 8px;
    text-align: center;
    font-weight: bold;
    font-size: 0.8rem;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.day-header {
    background: var(--day-header-bg);
    color: var(--text-inverse);
    padding: 12px 8px;
    text-align: center;
    font-weight: bold;
    font-size: 0.8rem;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.time-cell {
    background: var(--border-light);
    padding: 8px 4px;
    text-align: center;
    font-weight: bold;
    font-size: 0.75rem;
    color: var(--text-secondary);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.day-cell {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    min-height: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4px;
    font-size: 0.75rem;
    position: relative;
    color: var(--text-primary);

    &:hover {
        background: #e3f2fd;
        border-color: var(--info-color);
        transform: scale(1.02);
    }
}

.day-cell.selected {
    background: #bbdefb;
    border-color: #2980b9;
    box-shadow: 0 2px 4px rgba(41, 128, 185, 0.3);
}

.day-cell.has-event {
    border-width: 2px;
    font-weight: bold;
}

.day-cell.has-subject {
    border-width: 2px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.day-cell input {
    border: none;
    background: transparent;
    width: 100%;
    text-align: center;
    font-size: 0.75rem;
    outline: none;
    padding: 2px;
    border-radius: 2px;
    color: inherit;
}

.day-cell input:focus {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5);
}

.day-cell input::placeholder {
    color: var(--text-muted);
    font-style: italic;
}

.day-cell.has-subject input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.schedule-event {
    background: var(--info-color);
    color: var(--text-inverse);
    padding: 2px 4px;
    border-radius: 3px;
    font-size: 0.7rem;
    margin: 1px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Panel de Configuración */
.config-panel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-modal);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.config-content {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 30px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.config-content h3 {
    color: var(--text-primary);
    margin-bottom: 25px;
    font-size: 1.5rem;
    text-align: center;
}

.config-section {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-light);
}

.config-section:last-of-type {
    border-bottom: none;
}

.config-section h4 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.config-row {
    display: flex;
    gap: 15px;
    align-items: end;
    flex-wrap: wrap;
}

.config-field {
    flex: 1;
    min-width: 150px;
}

.config-field label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-primary);
    font-weight: 500;
}

.config-field select,
.config-field input {
    width: 100%;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
}

.config-field select:focus,
.config-field input:focus {
    outline: none;
    border-color: var(--border-focus);
}

.config-button {
    background: var(--gradient-secondary);
    color: var(--text-inverse);
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-right: 10px;

    &:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
}

.add-break-btn {
    background: var(--gradient-success);
    color: var(--text-inverse);
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    white-space: nowrap;
    transition: all 0.3s ease;

    &:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-sm);
    }
}

.breaks-list {
    margin-top: 15px;
}

.break-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    margin-bottom: 8px;
    border: 1px solid var(--border-light);
}

.break-item span {
    color: var(--text-primary);
    font-weight: 500;
}

.remove-break-btn {
    background: var(--danger-color);
    color: var(--text-inverse);
    border: none;
    padding: 5px 8px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s ease;

    &:hover {
        background: #dc2626;
        transform: scale(1.1);
    }
}

.apply-btn-sidebar{
    background: var(--gradient-accent);
    border: none;
    border-radius: 10px;
    padding: 0.6rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: white;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(79, 172, 254, 0.3);
    margin-top: 0.5rem;

    &:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(79, 172, 254, 0.4);
    }
}

.config-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 25px;
}

.apply-config-btn {
    background: var(--gradient-success);
    color: var(--text-inverse);
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;

    &:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
}

.cancel-config-btn {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;

    &:hover {
        background: var(--border-color);
        transform: translateY(-2px);
    }
}

/* Estilos para celdas de recreo */
.break-cell {
    background: linear-gradient(135deg, #fbbf24, #f59e0b) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #d97706;
    position: relative;
}

.break-cell::before {
    content: '🍎';
    position: absolute;
    left: 10px;
    font-size: 18px;
}

.break-input {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    padding: 8px 15px;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    color: #92400e;
    font-size: 14px;
    width: 80%;
}

.break-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.3);
}

/* ===== ESTILOS MODERNOS PARA LANDING PAGE ===== */

/* Fuente principal */
body {
    font-family: 'Poppins', sans-serif;
}

/* Partículas de fondo */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    opacity: 0.6;
}

.particle:nth-child(1) { top: 20%; left: 20%; animation-duration: 6s; }
.particle:nth-child(2) { top: 60%; left: 80%; animation-duration: 8s; }
.particle:nth-child(3) { top: 40%; left: 40%; animation-duration: 7s; }
.particle:nth-child(4) { top: 80%; left: 20%; animation-duration: 9s; }
.particle:nth-child(5) { top: 30%; left: 70%; animation-duration: 5s; }
.particle:nth-child(6) { top: 70%; left: 50%; animation-duration: 8s; }
.particle:nth-child(7) { top: 10%; left: 60%; animation-duration: 6s; }
.particle:nth-child(8) { top: 90%; left: 90%; animation-duration: 7s; }

@keyframes float {
    0%, 100% { transform: rotate(0deg); }
    33% { transform: rotate(120deg); }
    66% { transform: rotate(240deg); }
}

/* Landing Container */
.landing-container {
    min-height: 100vh;
    background: linear-gradient(135deg,
        var(--bg-primary) 0%,
        var(--bg-secondary) 50%,
        var(--bg-tertiary) 100%);
    position: relative;
    overflow-x: hidden;
}

/* Header Hero */
.landing-header {
    padding: 30px 20px 60px;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
}

/* Título animado */
.animated-title {
    margin-bottom: 30px;
}

.title-icon {
    display: inline-block;
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.main-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin: 0;
    color: var(--text-primary);
}

.word {
    display: inline-block;
    opacity: 0;
    transform: translateY(50px) rotateX(90deg);
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    margin-right: 0.3em;
}

.word.animate {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
}

.word.highlight {
    background: linear-gradient(135deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
    font-weight: 900;
    text-shadow: 0 0 30px rgba(255, 107, 107, 0.5);
    position: relative;
}

.word.highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4);
    background-size: 300% 300%;
    animation: gradientShift 3s ease-in-out infinite;
    filter: blur(20px);
    opacity: 0.3;
    z-index: -1;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    font-weight: 400;
}

/* Hero Badges */
.hero-badges {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.badge {
    background: var(--gradient-secondary);
    color: var(--text-inverse);
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;

    &:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
}

/* Hero CTA */
.hero-cta {
    display: flex;
    justify-content: center;
    margin-top: 30px;
    margin-bottom: 40px;
}

.hero-cta .cta-button {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    text-transform: none;
    letter-spacing: 0.5px;

    &:hover {
        transform: translateY(-3px) scale(1.05);
        box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    }
}

.hero-cta .cta-button i {
    font-size: 1.2rem;
}

/* Features Section */
.features-section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;

    &::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
        transition: left 0.6s;
    }

    &:hover {
        transform: translateY(-10px) scale(1.02);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);

        &::before {
            left: 100%;
        }

        .feature-icon {
            transform: scale(1.1) rotate(5deg);
        }
    }
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-inverse);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}



.feature-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.feature-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.feature-highlight {
    margin-top: 20px;
}

.highlight-tag {
    background: var(--gradient-success);
    color: var(--text-inverse);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-block;
}

/* CTA Section */
.cta-section {
    padding: 80px 20px;
    margin: 60px 0;
}

.cta-background {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 30px;
    padding: 60px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    max-width: 1000px;
    margin: 0 auto;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

.cta-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-icon {
    font-size: 3rem;
    color: var(--text-inverse);
    margin-bottom: 20px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-inverse);
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* CTA Stats */
.cta-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-inverse);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    background: var(--text-inverse);
    color: var(--primary-color);
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);

    &:hover {
        transform: translateY(-3px) scale(1.05);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);

        .button-glow {
            left: 100%;
        }
    }
}

.button-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 10px;
}

.button-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s;
}

.cta-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-top: 20px;
}

/* Footer */
.landing-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-light);
    padding: 60px 20px 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-main {
    text-align: center;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.footer-brand i {
    color: var(--primary-color);
}

.footer-description {
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.footer-section li i {
    color: var(--success-color);
    width: 16px;
}

.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: var(--text-secondary);
    margin: 0;
}

.footer-social {
    display: flex;
    align-items: center;
    gap: 15px;
}

.social-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--gradient-secondary);
    color: var(--text-inverse);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;

    &:hover {
        transform: translateY(-3px) scale(1.1);
        box-shadow: var(--shadow-md);
    }
}

/* Estilos responsivos */
@media (max-width: 768px) {
    .app-container {
        padding: 10px;
    }
    
    .content-wrapper {
        flex-direction: column;
    }
    
    .sidebar-menu {
        width: 100%;
        margin-bottom: 20px;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-around;
        gap: 10px;
    }
    
    .menu-item {
        padding: 10px;
        margin-bottom: 0;
        border-bottom: none;
        flex: 1;
        min-width: 150px;
    }
    
    .menu-item .icon-container {
        width: 40px;
        height: 40px;
    }
    
    .menu-item .icon-container i {
        font-size: 18px;
    }
    
    .menu-item h3 {
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .back-to-home {
        width: 100%;
        margin-top: 10px;
    }
    
    .modal-content {
        margin: 10px;
        padding: 15px;
    }
    
    .weekdays, .days {
        gap: 2px;
    }
    
    .day {
        height: 60px;
        padding: 5px;
    }
    
    .day .day-number {
        font-size: 1rem;
    }
    
    .time-slots {
        grid-template-columns: 60px 1fr;
    }
    
    .calendars-container {
        grid-template-columns: 1fr;
    }
    
    .tabs {
        flex-direction: column;
        border-bottom: none;
    }
    
    .tab-button {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid #ddd;
    }
    
    .tab-button.active {
        border-bottom: 2px solid #2575fc;
    }
    
    /* Horario semanal responsive */
    .weekly-schedule-container {
        padding: 10px;
        overflow-x: auto;
    }
    
    .schedule-grid {
        display: grid;
        grid-template-columns: 60px repeat(5, 120px);
        gap: 2px;
        min-width: 800px;
        background: var(--bg-tertiary);
        border-radius: 8px;
        padding: 10px;
    }
    
    .time-header,
    .day-header {
        padding: 8px 4px;
        font-size: 0.7rem;
    }
    
    .time-cell {
        padding: 6px 2px;
        font-size: 0.65rem;
    }
    
    .day-cell {
        min-height: 40px;
        font-size: 0.65rem;
        padding: 2px;
    }
    
    /* Configuración responsive */
    .config-content {
        padding: 20px;
        margin: 10px;
    }
    
    .config-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .config-field {
        min-width: auto;
        margin-bottom: 15px;
    }
    
    .add-break-btn {
        width: 100%;
        margin-top: 10px;
    }
    
    .config-actions {
        flex-direction: column;
    }
    
    .header-actions {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .config-button,
    .export-button {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    /* Landing page responsive styles */
    .landing-header {
        padding: 40px 15px 30px;
    }
    
    .title-icon {
        font-size: 2rem;
    }
    
    .main-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        padding: 0 10px;
    }
    
    .hero-badges {
        gap: 10px;
        padding: 0 10px;
    }
    
    .badge {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .features-section {
        padding: 40px 15px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
        padding: 0 10px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .feature-content h3 {
        font-size: 1.2rem;
    }
    
    .cta-section {
        padding: 40px 15px;
        margin: 30px 0;
    }
    
    .cta-background {
        padding: 40px 20px;
        border-radius: 20px;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-subtitle {
        font-size: 1rem;
        padding: 0 10px;
    }
    
    .cta-stats {
        gap: 20px;
        margin-bottom: 30px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .cta-button {
        padding: 15px 30px;
        font-size: 1rem;
    }
    
    .landing-footer {
        padding: 40px 15px 20px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .social-link {
         width: 35px;
         height: 35px;
     }
 }

/* ===== ESTILOS MODERNOS PARA HORARIO.HTML ===== */

/* Contenedor principal del horario */
.schedule-app-container {
    min-height: 100vh;
    background: linear-gradient(135deg, 
        var(--bg-primary) 0%, 
        var(--bg-secondary) 50%, 
        var(--bg-tertiary) 100%);
    position: relative;
    font-family: 'Poppins', sans-serif;
}

/* Estilos para horario.html */
.schedule-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.schedule-header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1.5rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.hero-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-accent);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    box-shadow: 0 10px 30px rgba(79, 172, 254, 0.3);
    animation: float 3s ease-in-out infinite;
}

.hero-icon i {
    font-size: 1.8rem;
    color: white;
}

.hero-text {
    flex: 1;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin: 0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0.5rem 0 0 0;
    font-weight: 300;
}

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

.header-actions .action-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: 0.5rem;

    &:hover {
        background: rgba(255, 255, 255, 0.3);
        transform: translateY(-2px);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    }
}

.main-content {
    padding: 0;
    height: calc(100vh - 120px);
}

/* Layout lateral */
.content-wrapper-lateral {
    display: flex;
    height: 100%;
    max-width: none;
    margin: 0;
}

/* Panel lateral de configuración */
.config-sidebar {
    width: 20%;
    min-width: 300px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2rem 1.5rem;
    overflow-y: auto;
    height: 100%;
}

.sidebar-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.sidebar-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: 0 8px 25px rgba(79, 172, 254, 0.3);
}

.sidebar-icon i {
    font-size: 1.5rem;
    color: white;
}

.sidebar-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0 0 0.5rem 0;
}

.sidebar-subtitle {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    font-size: 0.9rem;
}

.sidebar-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.config-card-sidebar {
    background: var(--bg-secondary);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);

    &:hover {
        transform: translateY(-3px);
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    }
}

.card-header-sidebar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-light);
}

.card-header-sidebar i {
    font-size: 1.1rem;
    color: var(--primary-color);
}

.card-header-sidebar h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.card-content-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.input-group-sidebar {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.input-group-sidebar label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Estilos para el checkbox */
.checkbox-group {
    margin-top: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.modern-checkbox {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-card);
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.modern-checkbox:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.modern-checkbox:checked::after {
    content: '✓';
    position: absolute;
    color: white;
    font-size: 12px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.modern-select-sidebar,
.modern-input-sidebar {
    padding: 0.6rem 0.8rem;
    border: 2px solid var(--border-light);
    border-radius: 10px;
    font-size: 0.9rem;
    background: var(--bg-card);
    color: var(--text-primary);
    transition: all 0.3s ease;
    outline: none;
}

.modern-select-sidebar:focus,
.modern-input-sidebar:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.add-btn-sidebar {
    background: var(--gradient-accent);
    border: none;
    border-radius: 10px;
    padding: 0.6rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: white;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(79, 172, 254, 0.3);
    margin-top: 0.5rem;

    &:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(79, 172, 254, 0.4);
    }
}

.breaks-display-sidebar {
    margin-top: 1rem;
}

.break-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--background-light);
    padding: 0.6rem 0.8rem;
    border-radius: 8px;
    margin-bottom: 0.4rem;
    border: 1px solid var(--border-light);
    font-size: 0.85rem;
}

.remove-break-btn {
    background: var(--gradient-secondary);
    border: none;
    border-radius: 6px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.7rem;

    &:hover {
        transform: scale(1.1);
    }
}

/* Estilos para horas personalizadas */
.hours-display-sidebar {
    margin-top: 1rem;
}

.hour-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--background-light);
    padding: 0.6rem 0.8rem;
    border-radius: 8px;
    margin-bottom: 0.4rem;
    border: 1px solid var(--border-light);
    font-size: 0.85rem;
    gap: 0.5rem;
}

.hour-input {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.4rem 0.6rem;
    color: var(--text-primary);
    font-size: 0.85rem;
    flex: 1;
    transition: all 0.3s ease;
}

.hour-input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

/* Estilos para el selector de color */
.color-picker-container {
    display: flex;
    align-items: center;
}

.color-picker-input {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 40px;
    height: 40px;
    background-color: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.color-picker-input::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker-input::-webkit-color-swatch {
    border: 2px solid var(--border-color);
    border-radius: 6px;
}

.color-picker-input::-moz-color-swatch {
    border: 2px solid var(--border-color);
    border-radius: 6px;
}

.remove-hour-btn {
    background: var(--gradient-secondary);
    border: none;
    border-radius: 6px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.7rem;
    flex-shrink: 0;
}

.remove-hour-btn:hover {
    transform: scale(1.1);
}

.config-actions-sidebar {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.add-btn-sidebar {
    background: var(--gradient-primary);
    border: none;
    border-radius: 12px;
    padding: 0.8rem 1.2rem;
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
    width: 100%;

    &:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    }
}

/* Área principal del horario */
.schedule-main {
    flex: 1;
    width: 80%;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 2rem;
    overflow-y: auto;
    height: 100%;
}

.schedule-header-main {
    margin-bottom: 2rem;
    text-align: center;
}

.schedule-header-main h2 {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin: 0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.schedule-header-main i {
    color: var(--accent-color);
    font-size: 1.8rem;
}

.schedule-wrapper-main {
    background: #636363;
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    overflow-x: auto;
    min-height: calc(100% - 120px);
}

/* Footer moderno para horario.html */
.schedule-footer {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2rem;
    margin-top: 3rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin: 0;
}

.footer-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.footer-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.footer-feature i {
    color: var(--accent-color);
    font-size: 1rem;
}

.footer-bottom {
    grid-column: 1 / -1;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Header del horario */
.schedule-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-hero {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.hero-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--text-inverse);
    box-shadow: var(--shadow-md);
    animation: pulse 3s ease-in-out infinite;
}

.hero-text {
    flex: 1;
    min-width: 300px;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0 0 10px 0;
    line-height: 1.2;
}

.title-main {
    color: var(--text-primary);
}

.title-accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin: 0;
    font-weight: 400;
}

.header-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: var(--shadow-sm);

    &:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    &.primary {
        background: var(--gradient-primary);
        color: var(--text-inverse);
    }

    &.secondary {
        background: var(--bg-secondary);
        color: var(--text-primary);
        border: 1px solid var(--border-light);
    }

    &.large {
        padding: 15px 30px;
        font-size: 1.1rem;
    }
}



/* Main content */
.schedule-main {
    padding: 40px 20px;
}

.content-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* Sección de configuración abierta */
.config-section-open {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.section-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm);
}

.section-title h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 5px 0;
}

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

/* Grid de configuración */
.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.config-card {
    background: var(--bg-secondary);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);

    &:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-md);
    }
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-light);
}

.card-header i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.card-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.modern-select,
.modern-input {
    padding: 12px 16px;
    border: 2px solid var(--border-light);
    border-radius: 10px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.modern-select:focus,
.modern-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), 0.1);
}

.input-row {
    display: flex;
    gap: 15px;
    align-items: end;
}

.add-btn {
    width: 45px;
    height: 45px;
    background: var(--gradient-success);
    border: none;
    border-radius: 10px;
    color: var(--text-inverse);
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);

    &:hover {
        transform: scale(1.05);
        box-shadow: var(--shadow-md);
    }
}

.breaks-display {
    margin-top: 15px;
}

.config-actions-modern {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

/* Sección del horario */
.schedule-section {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}

.schedule-wrapper {
    background: var(--bg-secondary);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid var(--border-light);
}

/* Footer del horario */
.schedule-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-light);
    padding: 40px 20px 20px;
    margin-top: 40px;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.footer-info {
    flex: 1;
    min-width: 300px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.footer-brand i {
    color: var(--primary-color);
}

.footer-description {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.footer-features {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.feature-item i {
    color: var(--success-color);
    width: 16px;
}

.footer-bottom {
    max-width: 1400px;
    margin: 20px auto 0;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.9rem;
}

/* Responsive para horario */
@media (max-width: 1024px) {
    .config-grid {
        grid-template-columns: 1fr;
    }
    
    .header-hero {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-features {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .schedule-header {
        position: static;
    }
    
    .header-hero {
        padding: 20px 15px;
    }
    
    .hero-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .schedule-main {
        padding: 20px 15px;
    }
    
    .config-section-open,
    .schedule-section {
        padding: 25px 20px;
        border-radius: 15px;
    }
    
    .config-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .input-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .add-btn {
        width: 100%;
        height: 45px;
    }
    
    .footer-features {
        gap: 15px;
    }
    
    .feature-item {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .sidebar-menu {
        flex-direction: column;
    }
    
    .menu-item {
        width: 100%;
        margin-bottom: 15px;
        padding-bottom: 15px;
        border-bottom: 1px solid #eee;
    }
    
    .menu-item:last-child {
        margin-bottom: 0;
        padding-bottom: 0;
        border-bottom: none;
    }
    
    .calendar-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .calendar-actions .action-button {
        width: 100%;
    }
    
    .form-group label {
        font-size: 0.9rem;
    }
    
    .form-group input,
    .form-group select {
        padding: 8px;
        font-size: 0.9rem;
    }
}

/* Estilos para la nueva aplicación de horarios */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
}

.app-header {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    padding: 1rem 2rem;
    box-shadow: var(--shadow-md);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.header-content h1 {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
}

.header-content h1 i {
    margin-right: 0.5rem;
    color: #ffd700;
}

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

.export-button {
    background: var(--gradient-success);
    color: var(--text-inverse);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);

    &:hover:not(:disabled) {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
    }

    &:disabled {
        opacity: 0.7;
        cursor: not-allowed;
        transform: none;
    }
}

.back-button {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-inverse);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);

    &:hover {
        background: rgba(255, 255, 255, 0.3);
        transform: translateY(-2px);
    }
}

.main-content {
    flex: 1;
    margin: 0 auto;
    width: 100%;
}

.schedule-container {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    overflow-x: auto;
}

.schedule-grid {
    display: grid;
    grid-template-columns: 80px repeat(5, 1fr);
    gap: 2px;
    background-color: var(--border-light);
    border-radius: 10px;
    overflow: hidden;
    min-width: 700px;
}

/* Estilo para cuando se muestran los días de fin de semana */
.schedule-grid.show-weekend {
    grid-template-columns: 80px repeat(7, 1fr);
    min-width: 900px;
}

.time-header {
    background: linear-gradient(135deg, var(--text-secondary), #6c757d);
    color: var(--text-inverse);
    padding: 1rem 0.5rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.time-header.empty-cell {
    background: linear-gradient(135deg, #343a40, var(--text-secondary));
}

.day-header {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    font-size: 1rem;
}

.schedule-cell {
    background-color: var(--bg-tertiary);
    padding: 0;
    min-height: 60px;
    transition: all 0.3s ease;
    position: relative;

    &:hover {
        transform: scale(1.02);
        z-index: 1;
        box-shadow: var(--shadow-md);
    }
}

.merged-cell {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid rgba(255,255,255,0.9) !important;
    position: relative;
    z-index: 2;
}

.merged-cell-content {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    position: relative;
}

.merged-cell .subject-input {
    text-align: center;
    font-weight: 600;
    font-size: 1rem;
}

.schedule-cell.has-subject {
    border: 2px solid rgba(255,255,255,0.8);
}

.subject-input {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent;
    padding: 0.75rem;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    outline: none;
    color: var(--text-primary);
    resize: none;
}

.subject-input:focus {
    background: rgba(255,255,255,0.9);
    box-shadow: inset 0 0 0 2px var(--primary-color);
}

.has-subject {
    border-radius: 10px;
}

.break-cell{
    border-radius: 10px;
}