/* admin.css - REEMPLAZO COMPLETO */

:root {
    --primary-color: #007BFF;
    --primary-color-hover: #0056b3;
    --primary-color-light: #E6F2FF;
    --background-light: #F8F9FA;
    --background-dark: #111827;
    --sidebar-bg: #1F2937;
    --card-background: #FFFFFF;
    --text-color-light: #E5E7EB;
    --text-color-dark: #1F2937;
    --text-color-muted: #6B7280;
    --border-color: #E5E7EB;
    --input-bg: #F9FAFB;
    --success-color: #10B981;
    --danger-color: #EF4444;
    --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);
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-light);
    color: var(--text-color-dark);
    height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.view { display: none; width: 100%; height: 100%; }
.view.active { display: flex; }

/* --- Vista de Login --- */
#login-view { 
    justify-content: center; 
    align-items: center; 
    background-color: var(--background-dark); 
    padding: 1rem;
}
.login-container { 
    background-color: var(--card-background); 
    padding: 2.5rem; 
    border-radius: 0.75rem; 
    box-shadow: var(--shadow-md);
    width: 100%; 
    max-width: 420px; 
    text-align: center;
}
.login-container .main-title { font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem; }
.login-container .subtitle { font-size: 1rem; color: var(--text-color-muted); margin-bottom: 2.5rem; }
.login-form { display: flex; flex-direction: column; gap: 1.5rem; text-align: left; }
.form-group { margin-bottom: 0.5rem; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--text-color-dark); margin-bottom: 0.5rem; }
.form-group input, .form-group textarea, .form-group select { 
    width: 100%;
    background-color: var(--input-bg); 
    border: 1px solid var(--border-color); 
    border-radius: 0.5rem; 
    padding: 0.75rem 1rem; 
    font-size: 1rem; 
    transition: box-shadow 0.2s ease, border-color 0.2s ease; 
    font-family: 'Inter', sans-serif;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { 
    outline: none; 
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-color-light); 
}
.submit-btn { 
    width: 100%;
    background-color: var(--primary-color); 
    color: #fff; 
    padding: 0.85rem; 
    border-radius: 0.5rem; 
    font-size: 1rem; 
    font-weight: 600; 
    cursor: pointer; 
    border: none; 
    margin-top: 1rem; 
    transition: background-color 0.2s ease, transform 0.2s ease;
}
.submit-btn:hover { background-color: var(--primary-color-hover); transform: translateY(-2px); }
.submit-btn:disabled { background-color: var(--text-color-muted); cursor: not-allowed; }

/* --- Diseño del Dashboard --- */
#dashboard-view { flex-direction: row; position: relative; }
.sidebar { 
    width: 260px; 
    background-color: var(--sidebar-bg); 
    color: var(--text-color-light); 
    display: flex; 
    flex-direction: column; 
    padding: 1.5rem; 
    flex-shrink: 0; 
    border-right: 1px solid var(--border-color);
    transition: transform 0.3s ease-in-out;
    z-index: 1100;
}
.sidebar-header { font-size: 1.5rem; font-weight: 700; margin-bottom: 2.5rem; text-align: center; color: #FFF; }
.sidebar-nav { display: flex; flex-direction: column; gap: 0.5rem; }
.sidebar-nav .nav-link { display: flex; align-items: center; gap: 0.85rem; padding: 0.8rem 1rem; border-radius: 0.5rem; text-decoration: none; color: #D1D5DB; font-weight: 500; transition: background-color 0.2s ease, color 0.2s ease; }
.sidebar-nav .nav-link i { width: 20px; text-align: center; }
.sidebar-nav .nav-link:hover { background-color: #374151; color: #FFF; }
.sidebar-nav .nav-link.active { background-color: var(--primary-color); color: #FFF; font-weight: 600; }
.sidebar-footer { margin-top: auto; }
.logout-btn { width: 100%; background: none; border: none; cursor: pointer; color: #D1D5DB; padding: 0.8rem 1rem; font-size: 1rem; font-weight: 500; display: flex; align-items: center; gap: 0.85rem; border-radius: 0.5rem; transition: background-color 0.2s ease, color 0.2s ease; }
.logout-btn i { width: 20px; text-align: center; }
.logout-btn:hover { background-color: rgba(239, 68, 68, 0.1); color: var(--danger-color); }
.sidebar-overlay { display: none; }

/* --- Área de Contenido Principal --- */
.dashboard-main { flex-grow: 1; display: flex; flex-direction: column; overflow: hidden; }
.main-header { display: flex; justify-content: space-between; align-items: center; padding: 1.25rem 2rem; background-color: var(--card-background); border-bottom: 1px solid var(--border-color); flex-shrink: 0; }
.mobile-menu-btn { display: none; }
.main-header .header-title { font-size: 1.5rem; font-weight: 600; margin: 0; }
.header-actions { display: flex; align-items: center; gap: 1rem; }
.main-content { padding: 2rem; overflow-y: auto; background-color: var(--background-light); flex-grow: 1; }
.tab-content { display: none; animation: fadeIn 0.5s ease; }
.tab-content.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.content-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }

/* --- Estilos de Componentes Generales --- */
.action-btn { background-color: var(--primary-color); color: white; border: none; padding: 0.6rem 1.2rem; border-radius: 0.5rem; cursor: pointer; font-weight: 600; transition: all 0.2s ease; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 0.5rem; box-shadow: var(--shadow-sm); }
.action-btn:hover { background-color: var(--primary-color-hover); transform: translateY(-2px); }
.action-btn.secondary-btn { background-color: var(--input-bg); color: var(--text-color-dark); border: 1px solid var(--border-color); }
.action-btn.secondary-btn:hover { background-color: var(--border-color); }
.card { background-color: #fff; padding: 1.5rem; border-radius: 0.75rem; box-shadow: var(--shadow-md); border: 1px solid var(--border-color); margin-bottom: 1.5rem; }
.card h2 { margin: 0 0 1.5rem 0; font-size: 1.25rem; border-bottom: 1px solid var(--border-color); padding-bottom: 1rem; display: flex; align-items: center; gap: 0.75rem; }
.card .content-header h2 { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }

/* --- Agenda Visual --- */
.timeline-wrapper { 
    display: flex; 
    background-color: var(--card-background); 
    border: 1px solid var(--border-color); 
    border-radius: 0.75rem; 
    margin-top: 1.5rem; 
    padding: 1rem; 
    overflow-y: auto; 
    max-height: 75vh;
}
.time-markers { 
    flex-shrink: 0; 
    padding-right: 1.5rem; 
    font-size: 0.85rem;
    color: var(--text-color-muted); 
    text-align: right; 
}
.time-marker { 
    position: relative; 
    border-top: 1px solid #EAEDF1;
    /* La altura se establece dinámicamente desde JS */
}
.time-marker span { 
    position: relative; 
    top: -0.7em; 
    background-color: var(--card-background); 
    padding: 0 0.25rem; 
}
.appointments-timeline { 
    position: relative; 
    width: 100%; 
    border-left: 2px solid var(--primary-color-light); 
}
.timeline-event { 
    position: absolute; 
    left: 1rem; 
    right: 0.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center; /* Centra el contenido verticalmente */
    box-sizing: border-box; 
    padding: 4px 12px; /* Padding vertical reducido */
    
    background-color: #EBF5FF;
    border-left: 3px solid var(--primary-color);
    border-radius: 4px;
    
    cursor: pointer;
    transition: all 0.2s ease;
    
    overflow: hidden;
    
    /* Asegura una altura mínima legible para citas cortas */
    min-height: 40px; 
}
.timeline-event:hover { 
    background-color: #D6EFFF;
    border-color: var(--primary-color-hover);
    box-shadow: var(--shadow-sm);
    z-index: 10; 
}
.timeline-event strong,
.timeline-event p {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
}
.timeline-event strong { 
    font-size: 0.85rem; 
    font-weight: 600;
    color: #0056b3;
    line-height: 1.4; 
}
.timeline-event p { 
    font-size: 0.75rem; 
    color: #5A7A96;
    line-height: 1.2;
}
.timeline-event.cancelled { 
    background-color: #FEF2F2; 
    border-left-color: var(--danger-color); 
}
.timeline-event.cancelled strong, .timeline-event.cancelled p { 
    color: #B91C1C; 
    text-decoration: line-through; 
}

/* --- Reportes y Configuración --- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; }
.stat-card { background-color: var(--background-light); padding: 1.5rem; border-radius: 0.75rem; border: 1px solid var(--border-color); transition: transform 0.2s ease, box-shadow 0.2s ease; }
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-card h4 { margin: 0 0 0.5rem 0; font-size: 1rem; color: var(--text-color-muted); font-weight: 500; }
.stat-card p { margin: 0; font-size: 2.25rem; font-weight: 700; color: var(--text-color-dark); }
.form-row { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.form-row input[type="date"] { padding: 0.6rem; border: 1px solid var(--border-color); border-radius: 0.5rem; font-family: inherit; font-size: 1rem; }
.item-list { list-style: none; padding: 0; margin: 0; border: 1px solid var(--border-color); border-radius: 0.5rem; overflow: hidden; }
.item-list li { display: flex; justify-content: space-between; align-items: center; padding: 0.85rem 1rem; border-bottom: 1px solid var(--border-color); transition: background-color 0.2s; }
.item-list li:last-child { border-bottom: none; }
.item-list li:hover { background-color: var(--input-bg); }
.remove-item-btn { background: none; border: none; color: var(--text-color-muted); cursor: pointer; font-size: 1.5rem; line-height: 1; transition: color 0.2s ease; }
.remove-item-btn:hover { color: var(--danger-color); }
.list-item { display: flex; justify-content: space-between; align-items: center; padding: 1rem 0; border-bottom: 1px solid var(--border-color); transition: background-color 0.2s ease; }
.list-item:first-of-type { padding-top: 0; }
.list-item:last-of-type { border-bottom: none; padding-bottom: 0; }
.list-item-info strong { font-weight: 600; }
.list-item-info span { color: var(--text-color-muted); font-size: 0.9rem; }
.list-item-actions { display: flex; align-items: center; gap: 0.5rem; }
.list-item-actions button { background: none; border: none; cursor: pointer; padding: 0.5rem; border-radius: 50%; width: 36px; height: 36px; transition: background-color 0.2s ease, color 0.2s ease; }
.list-item-actions .edit-btn { color: var(--text-color-muted); }
.list-item-actions .edit-btn:hover { background-color: var(--primary-color-light); color: var(--primary-color); }
.list-item-actions .delete-btn { color: var(--text-color-muted); }
.list-item-actions .delete-btn:hover { background-color: #FEF2F2; color: var(--danger-color); }

/* --- Modal Nuevo Agendamiento --- */
#admin-timeslots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}
.timeslot-btn {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}
.timeslot-btn:hover {
    background-color: var(--primary-color-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}
.timeslot-btn.selected {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}
.timeslot-loader { text-align: center; color: var(--text-color-muted); margin-top: 1.5rem; }

/* --- Modales --- */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(17, 24, 39, 0.6); backdrop-filter: blur(5px); display: flex; justify-content: center; align-items: center; z-index: 1000; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease; }
.modal-overlay:not(.hidden) { opacity: 1; visibility: visible; }
.modal-content { background-color: #fff; padding: 2rem; border-radius: 0.75rem; box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1); width: 90%; max-width: 600px; position: relative; transform: scale(0.95) translateY(10px); transition: transform 0.3s ease; max-height: 90vh; overflow-y: auto;}
.modal-overlay:not(.hidden) .modal-content { transform: scale(1) translateY(0); }
.close-btn { position: absolute; top: 1rem; right: 1rem; background: none; border: none; font-size: 1.75rem; cursor: pointer; color: var(--text-color-muted); line-height: 1; transition: color 0.2s ease; }
.close-btn:hover { color: var(--text-color-dark); }

/* --- ESTILOS RESPONSIVOS --- */
@media (max-width: 768px) {
    .sidebar { position: fixed; top: 0; left: 0; height: 100%; transform: translateX(-100%); }
    .sidebar.is-open { transform: translateX(0); box-shadow: 0 0 25px rgba(0,0,0,0.2); }
    .sidebar-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.5); z-index: 1050; display: none; }
    .sidebar-overlay.is-open { display: block; }
    .mobile-menu-btn { display: block; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text-color-dark); }
    .main-header { padding: 1rem; }
    .main-header .header-title { font-size: 1.25rem; }
    .header-actions .action-btn span, 
    .header-actions .secondary-btn span { display: none; }
    .header-actions .action-btn, 
    .header-actions .secondary-btn { padding: 0.5rem 0.75rem; }
    #new-appointment-btn { position: fixed; bottom: 1.5rem; right: 1.5rem; border-radius: 50%; width: 56px; height: 56px; font-size: 1.5rem; padding: 0; z-index: 900; box-shadow: var(--shadow-md); }
    #new-appointment-btn i { margin-right: 0; }
    .main-content { padding: 1rem; }
    .card { padding: 1rem; }
    .content-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .timeline-wrapper { padding: 0.5rem; }
    .time-markers { padding-right: 0.5rem; }
    .timeline-event { left: 0.5rem; right: 0.5rem; }
    .stats-grid { grid-template-columns: 1fr; }
}
/* --- Clase de utilidad para ocultar elementos --- */
.hidden {
    display: none;
}

/* --- Estilos para la lista arrastrable --- */
.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.list-item-main {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.drag-handle {
    cursor: grab;
    color: var(--text-color-muted);
}

.drag-handle:active {
    cursor: grabbing;
}

/* Clase que SortableJS añade al elemento mientras se arrastra */
.sortable-ghost {
    opacity: 0.4;
    background-color: var(--primary-color-light);
}

/* (El CSS existente no cambia, solo se añaden estas reglas al final) */

.action-btn.danger-btn {
    background-color: var(--danger-color);
}
.action-btn.danger-btn:hover {
    background-color: #c0392b; /* Un rojo más oscuro */
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    align-items: flex-end;
}
/* Estilos para la barra de búsqueda en la pestaña de Clientes */
.search-bar-container {
    position: relative;
    margin-bottom: 1rem;
}

.search-bar-container .fa-search {
    position: absolute;
    top: 50%;
    left: 15px;
    transform: translateY(-50%);
    color: #999;
}

.search-bar-container input {
    width: 100%;
    padding: 10px 15px 10px 40px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
}

/* Estilos para la búsqueda dentro del modal de Nueva Cita */
.search-select-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.search-select-container input {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
}