/* ===== MODERN PROFESSIONAL DESIGN - Mesa de Entrada ===== */

/* CSS Variables for consistent theming */
:root {
    /* Primary Colors */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    
    /* Secondary Colors */
    --secondary-50: #f8fafc;
    --secondary-100: #f1f5f9;
    --secondary-200: #e2e8f0;
    --secondary-300: #cbd5e1;
    --secondary-400: #94a3b8;
    --secondary-500: #64748b;
    --secondary-600: #475569;
    --secondary-700: #334155;
    --secondary-800: #1e293b;
    --secondary-900: #0f172a;
    
    /* Accent Colors */
    --success-500: #10b981;
    --success-600: #059669;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    --danger-500: #ef4444;
    --danger-600: #dc2626;
    --info-500: #06b6d4;
    --info-600: #0891b2;
    
    /* Neutral Colors */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Layout Variables */
    --sidebar-width: 280px;
    --header-height: 70px;
    --footer-height: 60px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
}

/* ===== GLOBAL STYLES ===== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--gray-50);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-4);
    color: var(--gray-600);
}

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
}

/* ===== LAYOUT COMPONENTS ===== */
.wrapper {
    display: flex;
    min-height: 100vh;
    background-color: var(--gray-50);
}

/* ===== SIDEBAR ===== */
.main-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #3b82f6 100%);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
    z-index: 1030;
    overflow-y: auto;
    overflow-x: hidden;
    transition: all var(--transition-normal);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

/* Brand Logo */
.brand-link {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-decoration: none;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.brand-link::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 0.5s;
}

.brand-link:hover::before {
    left: 100%;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 1;
}

/* User Panel */
.user-panel {
    padding: var(--spacing-6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-4);
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 0 0 12px 12px;
    margin: 0 8px 16px 8px;
}

.user-panel .image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid rgba(255, 255, 255, 0.3);
    margin-right: var(--spacing-4);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-normal);
    position: relative;
}

.user-panel .image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.user-panel .image:hover {
    border-color: #60a5fa;
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(96, 165, 250, 0.4);
}

.user-panel .image:hover::before {
    opacity: 1;
}

.user-panel .image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-panel .info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.user-panel .info a {
    color: var(--white);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 4px;
    text-decoration: none;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.user-panel .info .badge {
    align-self: flex-start;
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    color: var(--white);
    font-size: 0.7rem;
    padding: 4px 8px;
    border-radius: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

/* Navigation */
.nav-sidebar {
    padding: var(--spacing-4) 0;
}

.nav-sidebar .nav-header {
    color: var(--white);
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 1.5px;
    padding: 16px 20px 8px;
    margin-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.nav-sidebar .nav-item {
    margin-bottom: var(--spacing-1);
}

.nav-sidebar .nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    margin: 2px 8px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.nav-sidebar .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: -1;
    border-radius: 8px;
}

.nav-sidebar .nav-link:hover {
    color: var(--white);
    transform: translateX(6px);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.nav-sidebar .nav-link:hover::before {
    opacity: 1;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.nav-sidebar .nav-link.active {
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    transform: translateX(6px);
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.nav-sidebar .nav-link i {
    margin-right: 12px;
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.nav-sidebar .nav-link:hover i {
    transform: scale(1.2);
    color: #fbbf24;
}

.nav-sidebar .nav-link p {
    margin: 0;
    font-weight: 500;
}

/* Logout Link */
.nav-sidebar .text-danger {
    color: #fca5a5 !important;
    background: rgba(239, 68, 68, 0.1);
}

.nav-sidebar .text-danger:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--white) !important;
}

/* ===== MAIN CONTENT ===== */
.content-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    background-color: var(--gray-50);
    transition: margin-left var(--transition-normal);
    position: relative;
    z-index: 1020;
}

/* ===== HEADER ===== */
.main-header {
    background: linear-gradient(135deg, var(--white) 0%, #f8fafc 100%);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 12px 24px;
    position: sticky;
    top: 0;
    z-index: 1040;
    backdrop-filter: blur(10px);
    min-height: 60px;
}

/* Forzar tamaño de imágenes en el header */
.main-header img,
.main-header .user-image,
.main-header .navbar-nav img {
    width: 60px !important;
    height: 60px !important;
    max-width: 60px !important;
    max-height: 60px !important;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

/* Logo/Brand Section */
.navbar-brand {
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
    text-decoration: none;
    margin-right: 32px;
    position: relative;
}

.navbar-brand::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    border-radius: 2px;
}

/* Navigation Links */
.navbar-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.navbar-nav .nav-link {
    color: #64748b;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

.navbar-nav .nav-link i {
    font-size: 0.85rem;
    opacity: 0.8;
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: -1;
    border-radius: 8px;
}

.navbar-nav .nav-link:hover {
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.navbar-nav .nav-link:hover::before {
    opacity: 1;
}

/* Hamburger Menu Button */
.navbar-nav .nav-link[data-widget="pushmenu"] {
    padding: 8px 12px;
    border-radius: 8px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    transition: all var(--transition-fast);
    margin-right: 16px;
}

.navbar-nav .nav-link[data-widget="pushmenu"]:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.navbar-nav .nav-link[data-widget="pushmenu"] i {
    font-size: 1rem;
    opacity: 1;
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-menu .nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 20px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all var(--transition-fast);
}

.user-menu .nav-link:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

/* Reglas específicas para imágenes de usuario */
.user-menu .nav-link img.user-image,
.user-menu .user-image,
.navbar-nav .user-image,
.main-header img.user-image,
img.user-image {
    width: 60px !important;
    height: 60px !important;
    max-width: 60px !important;
    max-height: 60px !important;
    border-radius: 50% !important;
    object-fit: cover !important;
    border: 2px solid rgba(255, 255, 255, 0.8) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

.user-image {
    width: 60px !important;
    height: 60px !important;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    max-width: 60px !important;
    max-height: 60px !important;
}

/* Dropdown Menu */
.dropdown-menu {
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(226, 232, 240, 0.8);
    padding: 8px 0;
    margin-top: 8px;
}

.dropdown-menu-lg {
    min-width: 280px;
}

.user-header {
    background: linear-gradient(135deg, #3b82f6, #60a5fa) !important;
    padding: 20px;
    text-align: center;
    border-radius: 12px 12px 0 0;
    margin: -8px -8px 0 -8px;
}

.user-header img {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.user-header p {
    color: white;
    margin: 10px 0 0 0;
    font-weight: 600;
}

.user-header small {
    display: block;
    opacity: 0.9;
    font-size: 0.85rem;
    margin-top: 4px;
}

.user-footer {
    padding: 12px 16px;
    display: flex;
    gap: 8px;
    border-top: 1px solid rgba(226, 232, 240, 0.8);
    margin: 8px -8px -8px -8px;
    border-radius: 0 0 12px 12px;
    background: rgba(248, 250, 252, 0.5);
}

.user-footer .btn {
    flex: 1;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(226, 232, 240, 0.8);
    background: white;
    color: #64748b;
    transition: all var(--transition-fast);
}

.user-footer .btn:hover {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* ===== CARDS ===== */
.card {
    background: linear-gradient(135deg, var(--white) 0%, #f8fafc 100%);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(226, 232, 240, 0.8);
    overflow: hidden;
    transition: all var(--transition-normal);
    margin-bottom: var(--spacing-6);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1025;
}

.card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, 0.2);
}

.card-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    padding: 20px 24px;
    font-weight: 700;
    color: #1e293b;
    font-size: 1.25rem;
    position: relative;
}

.card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #60a5fa, #93c5fd);
}

.card-body {
    padding: 24px;
}

.card-footer {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-top: 1px solid rgba(226, 232, 240, 0.8);
    padding: 16px 24px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    gap: var(--spacing-2);
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    color: var(--white);
    border: none;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-600), var(--success-500));
    color: var(--white);
    border-color: var(--success-600);
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--success-700), var(--success-600));
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-600), var(--danger-500));
    color: var(--white);
    border-color: var(--danger-600);
}

.btn-danger:hover {
    background: linear-gradient(135deg, var(--danger-700), var(--danger-600));
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-600), var(--warning-500));
    color: var(--white);
    border-color: var(--warning-600);
}

.btn-warning:hover {
    background: linear-gradient(135deg, var(--warning-700), var(--warning-600));
}

.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.badge:hover::before {
    opacity: 1;
}

.badge-primary {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: #1e40af;
    border: 1px solid #93c5fd;
}

.badge-success {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.badge-warning {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #92400e;
    border: 1px solid #fbbf24;
}

.badge-danger {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    color: #991b1b;
    border: 1px solid #f87171;
}

.badge-info {
    background: linear-gradient(135deg, #cffafe, #a5f3fc);
    color: #0e7490;
    border: 1px solid #22d3ee;
}

/* ===== TABLES ===== */
.table {
    width: 100%;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.table th {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    color: #374151;
    font-weight: 700;
    padding: 16px;
    border-bottom: 2px solid #e5e7eb;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    position: relative;
}

.table th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
}

.table td {
    padding: 16px;
    border-bottom: 1px solid #f3f4f6;
    vertical-align: middle;
    transition: background-color var(--transition-fast);
}

.table tbody tr {
    transition: all var(--transition-fast);
}

.table tbody tr:hover {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    transform: scale(1.01);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: var(--spacing-6);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 600;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-base);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

/* ===== ALERTS ===== */
.alert {
    padding: var(--spacing-4) var(--spacing-6);
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    margin-bottom: var(--spacing-6);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.alert-success {
    background: var(--success-50);
    color: var(--success-700);
    border-color: var(--success-200);
}

.alert-danger {
    background: var(--danger-50);
    color: var(--danger-700);
    border-color: var(--danger-200);
}

.alert-warning {
    background: var(--warning-50);
    color: var(--warning-700);
    border-color: var(--warning-200);
}

.alert-info {
    background: var(--info-50);
    color: var(--info-700);
    border-color: var(--info-200);
}

/* ===== DASHBOARD CARDS ===== */
.small-box {
    background: linear-gradient(135deg, var(--white) 0%, #f8fafc 100%);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid rgba(226, 232, 240, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1025;
}

.small-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #60a5fa, #93c5fd);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.small-box:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: rgba(59, 130, 246, 0.2);
}

.small-box:hover::before {
    opacity: 1;
}

.small-box .inner {
    position: relative;
    z-index: 2;
}

.small-box h3 {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0 0 8px 0;
    color: #1e293b;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.small-box p {
    margin: 0;
    color: #64748b;
    font-weight: 600;
    font-size: 1rem;
}

.small-box .icon {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 3.5rem;
    opacity: 0.15;
    color: #3b82f6;
    transition: all var(--transition-normal);
}

.small-box:hover .icon {
    opacity: 0.25;
    transform: scale(1.1);
}

/* ===== LOGIN PAGE ===== */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-800) 50%, var(--primary-700) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-6);
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.login-logo {
    text-align: center;
    padding: var(--spacing-8) var(--spacing-6) var(--spacing-6);
    background: var(--gray-50);
}

.login-logo a {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-600);
    text-decoration: none;
}

.login-card-body {
    padding: var(--spacing-8);
}

.login-box-msg {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-lg);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 991.98px) {
    .main-sidebar {
        transform: translateX(-100%);
    }
    
    .main-sidebar.sidebar-open {
        transform: translateX(0);
    }
    
    .content-wrapper {
        margin-left: 0;
    }
    
    .sidebar-toggle {
        display: block !important;
        position: fixed;
        top: var(--spacing-4);
        left: var(--spacing-4);
        z-index: 1041;
        background: var(--primary-600);
        color: var(--white);
        border: none;
        border-radius: var(--border-radius-sm);
        padding: var(--spacing-3);
        cursor: pointer;
        box-shadow: var(--shadow-md);
    }
    
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1039;
        backdrop-filter: blur(4px);
    }
    
    .sidebar-open .sidebar-overlay {
        display: block;
    }
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
    transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-1); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-3 { margin-bottom: var(--spacing-3); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-5 { margin-bottom: var(--spacing-5); }
.mb-6 { margin-bottom: var(--spacing-6); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-1); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-3 { margin-top: var(--spacing-3); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-5 { margin-top: var(--spacing-5); }
.mt-6 { margin-top: var(--spacing-6); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-1); }
.p-2 { padding: var(--spacing-2); }
.p-3 { padding: var(--spacing-3); }
.p-4 { padding: var(--spacing-4); }
.p-5 { padding: var(--spacing-5); }
.p-6 { padding: var(--spacing-6); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }

.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-end { justify-content: flex-end; }

.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.rounded { border-radius: var(--border-radius-sm); }
.rounded-lg { border-radius: var(--border-radius); }
.rounded-xl { border-radius: var(--border-radius-lg); }

.shadow { box-shadow: var(--shadow); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
  .shadow-lg { box-shadow: var(--shadow-lg); }
  .shadow-xl { box-shadow: var(--shadow-xl); }

/* ===== RESPONSIVE HEADER ===== */
@media (max-width: 768px) {
    .main-header {
        padding: 8px 16px;
        min-height: 56px;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
        margin-right: 16px;
    }
    
    .navbar-nav .nav-link {
        padding: 6px 8px;
        font-size: 0.85rem;
    }
    
    .navbar-nav .nav-link[data-widget="pushmenu"] {
        margin-right: 8px;
        padding: 6px 8px;
    }
    
    .user-menu .nav-link {
        padding: 4px 8px;
    }
    
    .user-image {
        width: 45px !important;
        height: 45px !important;
        max-width: 45px !important;
        max-height: 45px !important;
    }
    
    .dropdown-menu-lg {
        min-width: 260px;
    }
    
    .user-header {
        padding: 16px;
    }
    
    .user-header img {
        width: 50px !important;
        height: 50px !important;
        max-width: 50px !important;
        max-height: 50px !important;
    }
    
    .user-footer {
        padding: 8px 12px;
        flex-direction: column;
        gap: 6px;
    }
    
    .user-footer .btn {
        padding: 6px 8px;
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .main-header {
        padding: 6px 12px;
    }
    
    .navbar-brand {
        font-size: 1rem;
        margin-right: 12px;
    }
    
    .navbar-nav .nav-link {
        padding: 4px 6px;
        font-size: 0.8rem;
    }
    
    .navbar-nav .nav-link i {
        font-size: 0.8rem;
    }
    
    .user-menu .nav-link span {
        display: none;
    }
    
    .user-image {
        width: 40px !important;
        height: 40px !important;
        max-width: 40px !important;
        max-height: 40px !important;
    }
}