/* ============================================
   Sistema de Historial Médico - Estilos Custom
   Bootstrap 5 + Custom Design System
   ============================================ */

/* --- Variables CSS --- */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary: #64748b;
    --success: #059669;
    --success-light: #d1fae5;
    --info: #0891b2;
    --info-light: #cffafe;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --danger: #dc2626;
    --danger-light: #fee2e2;

    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --topbar-height: 60px;

    --bg-body: #f1f5f9;
    --bg-card: #ffffff;
    --bg-sidebar: #0f172a;
    --bg-sidebar-hover: #1e293b;

    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-white: #f8fafc;

    --border-color: #e2e8f0;
    --border-radius: 12px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
}

/* ============================================
   AUTH PAGES (Login, Recovery)
   ============================================ */
.auth-body {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #2563eb 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    width: 100%;
    max-width: 440px;
    padding: 1.5rem;
}

.auth-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.5s ease-out;
}

.auth-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-logo-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.auth-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.auth-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.auth-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.auth-copyright {
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 0.75rem;
    margin-top: 1.5rem;
}

/* ============================================
   APP LAYOUT (Sidebar + Main)
   ============================================ */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: var(--text-white);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    z-index: 1000;
    overflow-y: auto;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: 8px;
}

.sidebar-brand {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.user-avatar i {
    font-size: 2rem;
    color: var(--primary);
}

.user-name {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
}

.user-role {
    font-size: 0.7rem;
}

.sidebar-nav {
    list-style: none;
    padding: 0.75rem 0;
    flex: 1;
}

.sidebar-nav .nav-item {
    margin: 2px 0.5rem;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.75rem;
    color: var(--text-light);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-nav .nav-link:hover {
    background: var(--bg-sidebar-hover);
    color: var(--text-white);
}

.sidebar-nav .nav-link.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
}

.sidebar-nav .nav-link i {
    font-size: 1.1rem;
    width: 22px;
    text-align: center;
}

.nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.08);
    margin: 0.5rem 1rem;
}

.sidebar-footer {
    padding: 0.75rem;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-footer .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.75rem;
    color: var(--text-light);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.875rem;
    transition: var(--transition);
}

.sidebar-footer .nav-link:hover {
    background: rgba(220, 38, 38, 0.15);
    color: #f87171;
}

/* --- Main Content --- */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    transition: var(--transition);
}

.top-navbar {
    height: var(--topbar-height);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 500;
    box-shadow: var(--shadow-sm);
}

.sidebar-toggle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    display: none;
}

.page-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.navbar-right {
    margin-left: auto;
    font-size: 0.85rem;
}

.content-wrapper {
    padding: 1.5rem;
}

/* ============================================
   STAT CARDS (Dashboard)
   ============================================ */
.stat-card {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: none;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.stat-card-body {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.15rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0;
}

.stat-card-primary { background: var(--bg-card); }
.stat-card-primary .stat-icon { background: var(--primary-light); color: var(--primary); }
.stat-card-primary .stat-number { color: var(--primary); }

.stat-card-success { background: var(--bg-card); }
.stat-card-success .stat-icon { background: var(--success-light); color: var(--success); }
.stat-card-success .stat-number { color: var(--success); }

.stat-card-info { background: var(--bg-card); }
.stat-card-info .stat-icon { background: var(--info-light); color: var(--info); }
.stat-card-info .stat-number { color: var(--info); }

.stat-card-warning { background: var(--bg-card); }
.stat-card-warning .stat-icon { background: var(--warning-light); color: var(--warning); }
.stat-card-warning .stat-number { color: var(--warning); }

/* ============================================
   QUICK ACTIONS
   ============================================ */
.quick-action-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-body);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid transparent;
}

.quick-action-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
    transform: translateX(4px);
}

.quick-action-btn i {
    font-size: 1.25rem;
    color: var(--primary);
}

/* --- Profile --- */
.profile-avatar i {
    font-size: 4rem;
    color: var(--primary);
}

/* ============================================
   FORMS
   ============================================ */
.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-control-lg {
    border-radius: 10px;
    padding: 0.75rem 1rem;
    border-color: var(--border-color);
}

.form-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    border-radius: 10px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.card-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   SEARCH BAR
   ============================================ */
.search-box {
    position: relative;
}

.search-results-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--shadow-md);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1050;
    margin-top: 4px;
}

.search-result-item {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: var(--primary-light);
}

.search-no-results {
    padding: 1.5rem;
    text-align: center;
    color: var(--text-secondary);
}

.search-result-footer {
    padding: 0.5rem 1.25rem;
    background: var(--bg-body);
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    border-top: 1px solid var(--border-color);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .main-content {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: block;
    }
}

@media (max-width: 575.98px) {
    .auth-card {
        padding: 1.5rem;
    }

    .content-wrapper {
        padding: 1rem;
    }
}