/**
 * Grupo Arsenio PASS - Main Stylesheet
 * Modern Dashboard Design
 */

/* ========================================
   CSS Variables (Design Tokens)
   ======================================== */
:root {
    /* Primary Colors */
    --primary: #E53935;
    --primary-hover: #C62828;
    --primary-light: #FFEBEE;
    --primary-gradient: linear-gradient(135deg, #E53935 0%, #EF5350 100%);
    
    /* Secondary/Accent */
    --accent: #FF6B6B;
    --accent-light: #FFE5E5;
    
    /* Neutrals */
    --dark: #1A1A2E;
    --dark-secondary: #16213E;
    --gray-900: #212529;
    --gray-800: #343A40;
    --gray-700: #495057;
    --gray-600: #6C757D;
    --gray-500: #ADB5BD;
    --gray-400: #CED4DA;
    --gray-300: #DEE2E6;
    --gray-200: #E9ECEF;
    --gray-100: #F8F9FA;
    --white: #FFFFFF;
    
    /* Status Colors */
    --success: #28A745;
    --success-light: #D4EDDA;
    --warning: #FFC107;
    --warning-light: #FFF3CD;
    --danger: #DC3545;
    --danger-light: #F8D7DA;
    --info: #17A2B8;
    --info-light: #D1ECF1;
    
    /* Layout */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 80px;
    --header-height: 64px;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --transition-slow: 300ms ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--gray-800);
    background-color: var(--gray-100);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   App Layout
   ======================================== */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ========================================
   Sidebar
   ======================================== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--white);
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform var(--transition-slow), width var(--transition-slow);
}

.sidebar-header {
    height: var(--header-height);
    padding: 0 1.25rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--gray-200);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--gray-900);
    font-weight: 600;
    font-size: 1.125rem;
}

.brand-icon {
    width: 36px;
    height: 36px;
    background: var(--primary-gradient);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
}

.sidebar-user {
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--gray-200);
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--gray-600);
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 500;
    color: var(--gray-900);
}

.user-role {
    font-size: 0.75rem;
    color: var(--gray-600);
    text-transform: capitalize;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    overflow-y: auto;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    margin-bottom: 0.25rem;
    border-radius: var(--radius);
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition);
}

.sidebar-nav .nav-link i {
    font-size: 1.125rem;
    width: 24px;
    text-align: center;
}

.sidebar-nav .nav-link:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.sidebar-nav .nav-link.active {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 0.75rem 0;
}

.sidebar-footer {
    padding: 1rem 0.75rem;
    border-top: 1px solid var(--gray-200);
}

.logout-link {
    color: var(--danger) !important;
}

.logout-link:hover {
    background: var(--danger-light) !important;
}

/* ========================================
   Main Content
   ======================================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition-slow);
}

.main-header {
    position: sticky;
    top: 0;
    height: var(--header-height);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 100;
}

.sidebar-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    border-radius: var(--radius);
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-700);
    transition: background var(--transition);
}

.sidebar-toggle:hover {
    background: var(--gray-100);
}

.header-search {
    flex: 1;
    max-width: 400px;
    position: relative;
}

.header-search i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
}

.header-search .form-control {
    padding-left: 2.75rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-300);
    background: var(--gray-100);
    height: 40px;
}

.header-search .form-control:focus {
    background: var(--white);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-icon {
    position: relative;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    border-radius: var(--radius);
    font-size: 1.25rem;
    color: var(--gray-700);
    cursor: pointer;
    transition: background var(--transition);
}

.btn-icon:hover {
    background: var(--gray-100);
}

.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 18px;
    height: 18px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    font-size: 0.625rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.content-wrapper {
    flex: 1;
    padding: 1.5rem;
}

/* ========================================
   Cards
   ======================================== */
.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition);
}

.card:hover {
    box-shadow: var(--shadow);
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--gray-200);
    background: transparent;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
}

.card-body {
    padding: 1.25rem;
}

/* Stat Cards */
.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-card .stat-icon {
    position: absolute;
    right: 1rem;
    top: 1rem;
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

.stat-card .stat-label {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.stat-card .stat-change {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    margin-top: 0.5rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.stat-change.positive {
    color: var(--success);
    background: var(--success-light);
}

.stat-change.negative {
    color: var(--danger);
    background: var(--danger-light);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    transition: all var(--transition);
    font-size: 0.875rem;
}

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

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

.btn-primary:focus {
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.25);
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}

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

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* ========================================
   Forms
   ======================================== */
.form-label {
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-control {
    border-radius: var(--radius);
    border: 1px solid var(--gray-300);
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.1);
}

.form-control::placeholder {
    color: var(--gray-500);
}

/* ========================================
   Tables
   ======================================== */
.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    color: var(--gray-700);
    border-bottom-width: 1px;
    padding: 0.875rem 1rem;
    white-space: nowrap;
}

.table td {
    padding: 0.875rem 1rem;
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background: var(--gray-50);
}

/* ========================================
   Badges
   ======================================== */
.badge {
    font-weight: 500;
    padding: 0.375rem 0.625rem;
    border-radius: var(--radius-sm);
}

.badge-status {
    font-size: 0.75rem;
}

.badge-success {
    background: var(--success-light);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-light);
    color: #856404;
}

.badge-danger {
    background: var(--danger-light);
    color: var(--danger);
}

.badge-info {
    background: var(--info-light);
    color: var(--info);
}

/* ========================================
   Auth Pages
   ======================================== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 2.5rem;
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo .brand-icon {
    width: 64px;
    height: 64px;
    font-size: 2rem;
    margin: 0 auto 1rem;
}

.auth-logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.auth-logo p {
    color: var(--gray-600);
    margin: 0.5rem 0 0;
}

/* ========================================
   Public Pages (Landing, Registration)
   ======================================== */
.public-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-secondary) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.public-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0.1;
    clip-path: polygon(25% 0%, 100% 0%, 100% 100%, 0% 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero-content .lead {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .sidebar-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-slow), visibility var(--transition-slow);
    }
    
    .sidebar-backdrop.show {
        opacity: 1;
        visibility: visible;
    }
}

@media (max-width: 767.98px) {
    .content-wrapper {
        padding: 1rem;
    }
    
    .stat-card .stat-value {
        font-size: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
}

/* ========================================
   Utilities
   ======================================== */
.text-primary {
    color: var(--primary) !important;
}

.bg-primary {
    background: var(--primary) !important;
}

.bg-primary-light {
    background: var(--primary-light) !important;
}

.rounded-lg {
    border-radius: var(--radius-lg) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

/* Animation keyframes */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.3s ease forwards;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

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

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