:root {
    --primary-color: #0284c7; /* Azul Dental */
    --primary-hover: #0369a1;
    --secondary-color: #0d9488; /* Verde Esmeralda Sanidad */
    --bg-main: #f8fafc; /* Gris muy claro */
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08);
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
}

/* Layout Principal */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: #1e293b;
    color: #f8fafc;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 24px 20px;
    font-size: 1.25rem;
    font-weight: 700;
    color: #38bdf8;
    border-bottom: 1px solid #334155;
}

.sidebar-menu {
    list-style: none;
    padding: 16px 0;
    margin: 0;
}

    .sidebar-menu a {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 24px;
        color: #94a3b8;
        text-decoration: none;
        font-weight: 500;
        transition: all 0.2s;
    }

        .sidebar-menu a:hover, .sidebar-menu a.active {
            color: #ffffff;
            background-color: #334155;
            border-left: 4px solid var(--primary-color);
        }

/* Contenido Principal */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.top-navbar {
    height: 64px;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
}

.page-container {
    padding: 32px;
    flex: 1;
}

/* Cards UI */
.card-panel {
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    margin-bottom: 24px;
}

/* Tablas */
.custom-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

    .custom-table th {
        text-align: left;
        padding: 12px 16px;
        background-color: #f1f5f9;
        color: var(--text-muted);
        font-size: 0.85rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    .custom-table td {
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
        font-size: 0.95rem;
    }

/* Badges de Estado para Citas */
.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-programada {
    background-color: #e0f2fe;
    color: #0369a1;
}

.badge-confirmada {
    background-color: #dcfce7;
    color: #15803d;
}

.badge-completada {
    background-color: #f3e8ff;
    color: #6b21a8;
}

.badge-cancelada {
    background-color: #fee2e2;
    color: #b91c1c;
}

/* Botones */
.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

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

.btn-secondary {
    background-color: #e2e8f0;
    color: var(--text-main);
    border: none;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
}

/* Modales */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-card {
    background: white;
    padding: 28px;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

    .form-group label {
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--text-muted);
    }

.form-input {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    outline: none;
}

    .form-input:focus {
        border-color: var(--primary-color);
    }

.btn-action {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 4px 10px;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-danger-action {
    border-color: #ef4444 !important;
    color: #ef4444 !important;
}

    .btn-danger-action:hover {
        background-color: #ef4444 !important;
        color: white !important;
    }

/* Layout Semanal en Grilla */
.weekly-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 12px;
    align-items: start;
}

.day-column {
    background-color: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    min-height: 500px;
}

.day-today {
    border: 2px solid var(--primary-color);
    background-color: #f0f9ff;
}

.day-header {
    background-color: #ffffff;
    padding: 12px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.day-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
}

.day-date {
    font-size: 1rem;
    font-weight: 700;
}

.badge-today {
    background-color: var(--primary-color);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
}

.day-body {
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.no-citas {
    text-align: center;
    color: #94a3b8;
    font-size: 0.8rem;
    padding: 20px 0;
}

/* Card de Cita Individual */
.cita-card {
    background-color: #ffffff;
    border-radius: 8px;
    padding: 10px;
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.card-programada {
    border-left-color: #0284c7;
    background-color: #f0f9ff;
}

.card-confirmada {
    border-left-color: #16a34a;
    background-color: #f0fdf4;
}

.card-completada {
    border-left-color: #9333ea;
    background-color: #faf5ff;
}

.card-cancelada {
    border-left-color: #dc2626;
    background-color: #fef2f2;
}

.cita-time {
    font-size: 0.75rem;
    font-weight: 700;
    color: #334155;
}

.cita-paciente {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-main);
}

.cita-doctor, .cita-tratamiento {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.cita-actions {
    display: flex;
    gap: 4px;
    margin-top: 6px;
    flex-wrap: wrap;
}

.btn-action-sm {
    padding: 2px 6px;
    font-size: 0.7rem;
    border-radius: 4px;
    border: 1px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    cursor: pointer;
}

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

.btn-danger-sm {
    border-color: #ef4444 !important;
    color: #ef4444 !important;
}

    .btn-danger-sm:hover {
        background-color: #ef4444 !important;
        color: white !important;
    }

a.btn-primary,
a.btn-secondary {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Stile base unificato per pulsanti e link formattati come pulsanti */
.btn-primary,
.btn-secondary {
    font-family: inherit; /* Eredita lo stesso tipo di carattere del resto della UI */
    font-size: 0.875rem; /* Mantiene la stessa dimensione del testo */
    font-weight: 500;
    line-height: 1.25;
    text-decoration: none !important; /* Rimuove la sottolineatura */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: var(--radius-md, 6px);
    padding: 8px 14px;
    transition: all 0.2s ease-in-out;
}

/* Assicura che anche il colore del testo nei link visitati/attivi rimanga coerente */
a.btn-secondary,
a.btn-secondary:hover,
a.btn-secondary:focus,
a.btn-secondary:visited {
    color: inherit;
    text-decoration: none !important;
}