/* =========================================
   MAIN CSS - GLOBAL STYLES
   ========================================= */

:root {
    /* Primary Colors */
    --primary: #1e73be;
    --primary-dark: #155a96;
    --primary-light: #eef5fc;
    --primary-rgb: 30, 115, 190;
    
    /* Secondary Colors */
    --accent: #f57c00;
    --accent-dark: #e06e00;
    --accent-light: #fff3e0;
    
    /* Status Colors */
    --success: #28a745;
    --success-dark: #1e7e34;
    --danger: #dc3545;
    --danger-dark: #b02a37;
    --warning: #ffc107;
    --warning-dark: #e0a800;
    --info: #17a2b8;
    --info-dark: #117a8b;
    
    /* Cottlink Specific Colors */
    --cott-blue: #1f7dd4;
    --cott-blue-dark: #1565c0;
    --cott-orange: #fb8c00;
    --cott-orange-dark: #ef6c00;
    --cott-bg: #f5f7fb;
    --cott-card: #ffffff;
    --cott-text: #1f2d3d;
    --cott-muted: #6b7a90;
    --cott-border: #dfe7f1;
    --cott-shadow: 0 10px 30px rgba(31, 45, 61, 0.08);
    --cott-radius: 16px;
    
    /* Neutral Colors */
    --dark: #2c3e50;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    /* Backgrounds */
    --body-bg: #ffffff;
    --body-color: #212529;
    --card-bg: #ffffff;
    --card-border: #e9ecef;
    --sidebar-bg: #1e293b;
    --sidebar-color: #ffffff;
    
    /* Effects */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 1rem;
    --spacing-4: 1.5rem;
    --spacing-5: 2rem;
    --spacing-6: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/* Dark Mode Variables */
body.dark-mode {
    --body-bg: #121212;
    --body-color: #e0e0e0;
    --card-bg: #1e1e2f;
    --card-border: #2a2a3d;
    --gray-100: #1e1e2e;
    --gray-200: #2a2a3a;
    --gray-300: #3a3a4a;
    --gray-400: #4a4a5a;
    --gray-500: #5a5a6a;
    --gray-600: #6a6a7a;
    --gray-700: #7a7a8a;
    --gray-800: #8a8a9a;
    --gray-900: #9a9aaa;
    --cott-bg: #0f172a;
    --cott-card: #111827;
    --cott-text: #e5e7eb;
    --cott-muted: #9ca3af;
    --cott-border: #2a2a3a;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--body-bg);
    color: var(--body-color);
    line-height: 1.5;
    transition: background-color var(--transition), color var(--transition);
    overflow-x: hidden;
    padding-top: 80px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-3);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

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

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* App Wrapper */
.app-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content-wrapper {
    flex: 1;
    padding-top: 0;
}


/* =========================================
   BUTTONS
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: 0.625rem 1.25rem;
    font-weight: 500;
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    font-size: 0.875rem;
}

.btn i, .btn .fa, .btn .fas, .btn .far {
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--gray-600);
    color: white;
}

.btn-secondary:hover {
    background: var(--gray-700);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: var(--success-dark);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: var(--danger-dark);
}

.btn-warning, .btn-orange {
    background: var(--accent);
    color: white;
}

.btn-warning:hover, .btn-orange:hover {
    background: var(--accent-dark);
}

.btn-outline-primary {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

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

.btn-outline-light {
    border: 1px solid white;
    color: white;
    background: transparent;
}

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

.btn-outline-secondary {
    border: 1px solid var(--gray-500);
    color: var(--gray-700);
    background: transparent;
}

.btn-outline-secondary:hover {
    background: var(--gray-500);
    color: white;
}

.btn-outline-success {
    border: 1px solid var(--success);
    color: var(--success);
    background: transparent;
}

.btn-outline-success:hover {
    background: var(--success);
    color: white;
}

.btn-outline-info {
    border: 1px solid var(--info);
    color: var(--info);
    background: transparent;
}

.btn-outline-info:hover {
    background: var(--info);
    color: white;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

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

.btn-block {
    width: 100%;
    display: flex;
}

.rounded-pill {
    border-radius: 9999px !important;
}

.rounded-circle {
    border-radius: 50% !important;
}

/* =========================================
   FORMS
   ========================================= */
.form-group, .cott-form-group {
    margin-bottom: var(--spacing-3);
}

.form-label, label, .cott-form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 500;
    color: var(--body-color);
}

.form-control, .form-select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--body-color);
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-control-lg {
    padding: 0.75rem 1rem;
    font-size: 1rem;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check-input {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
}

/* =========================================
   CARDS & UI COMPONENTS
   ========================================= */
.card-ui, .card-soft, .card-flat {
    background: var(--card-bg);
    border-radius: var(--cott-radius);
    box-shadow: var(--cott-shadow);
    border: 1px solid var(--card-border);
}

/* =========================================
   DROPDOWNS & NOTIFICATIONS
   ========================================= */
.dropdown-menu {
    border: none;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    padding: 0.5rem 0;
    min-width: 200px;
}

.dropdown-item {
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: background var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--gray-100);
}

.notif-menu {
    padding: 10px;
    max-height: 300px;
    overflow-y: auto;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    min-width: 250px;
}

.notif-menu li {
    padding: 10px 15px;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    flex-direction: column;
    border-radius: 6px;
}

.notif-menu li + li {
    margin-top: 5px;
    border-top: 1px solid #eee;
}

.notif-menu li:hover {
    background-color: #f5f5f5;
}

.notif-unread {
    font-weight: bold;
    background-color: #f0fff0;
    border-left: 4px solid #4CAF50;
    padding-left: 11px;
}

.notif-badge {
    position: absolute;
    top: 18px;
    right: 8px;
    background: #ff3b30;
    color: #fff;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 20px;
    animation: blinkBadge 1.5s infinite;
}

@keyframes blinkBadge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* =========================================
   USER DROPDOWN STYLES
   ========================================= */
.user-avatar-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.user-avatar {
    width: 36px;
    height: 36px;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.user-avatar-placeholder {
    width: 36px;
    height: 36px;
    font-size: 14px;
    font-weight: 600;
}

.dropdown-header {
    padding: 1rem;
    background-color: var(--gray-100);
    border-radius: 0.5rem 0.5rem 0 0;
}

.user-avatar-large {
    flex-shrink: 0;
}

@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =========================================
   LOADING & EMPTY STATES
   ========================================= */
.loading-spinner {
    text-align: center;
    padding: 3rem;
}

.loading-spinner .spinner-border {
    width: 3rem;
    height: 3rem;
}

.empty-state {
    text-align: center;
    padding: 3rem;
    background: var(--card-bg, #ffffff);
    border-radius: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.empty-state i {
    font-size: 3rem;
    color: var(--gray-400, #ced4da);
    margin-bottom: 1rem;
}

.empty-state h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--body-color, #212529);
}

.empty-state p {
    color: var(--gray-500, #adb5bd);
}

/* =========================================
   DARK MODE OVERRIDES
   ========================================= */
body.dark-mode .bg-white {
    background-color: var(--card-bg) !important;
}

body.dark-mode .bg-light {
    background-color: var(--gray-800) !important;
}

body.dark-mode .text-dark {
    color: var(--body-color) !important;
}

body.dark-mode .form-control,
body.dark-mode .form-select {
    background-color: var(--card-bg);
    border-color: var(--card-border);
    color: var(--body-color);
}

body.dark-mode .dropdown-menu {
    background-color: var(--card-bg);
}

body.dark-mode .dropdown-item {
    color: var(--body-color);
}

body.dark-mode .dropdown-item:hover {
    background-color: var(--gray-700);
}

body.dark-mode .btn-outline-secondary {
    border-color: var(--gray-600);
    color: var(--body-color);
}

body.dark-mode .btn-light {
    background-color: var(--gray-700);
    color: var(--body-color);
}

body.dark-mode .brand-name-big {
    background: linear-gradient(135deg, #4aa3ff, #ff9a3c);
    -webkit-background-clip: text;
    background-clip: text;
}

/* =========================================
   RESPONSIVE ADJUSTMENTS
   ========================================= */
@media (max-width: 992px) {
    .row-eq-height {
        display: block;
    }
    
    .section-head-flex {
        display: block;
    }
    
    .cta-actions {
        text-align: left !important;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
    
    .brand-rotator {
        width: 180px;
        height: 55px;
    }
    
    .brand-logo-full {
        height: 42px;
        max-width: 150px;
    }
    
    .brand-name-big {
        font-size: 20px;
    }
    
    .brand-tagline-animated {
        font-size: 9px;
    }
    
    .cott-navbar {
        min-height: 68px;
    }

    .cott-navbar .navbar-brand {
        height: 68px;
        padding: 6px 12px;
    }

    .cott-navbar .navbar-toggle {
        margin-top: 16px;
        border: none;
        background: rgba(31, 125, 212, 0.08);
    }

    .cott-navbar .navbar-toggle .icon-bar {
        background: var(--cott-blue);
    }

    .cott-navbar .navbar-nav > li > a {
        padding-top: 14px;
        padding-bottom: 14px;
    }

    .nav-cta > a,
    .user-pill > a {
        margin-top: 5px;
        margin-bottom: 5px;
        border-radius: 12px;
    }

    .brand-rotator {
        width: 170px;
        height: 48px;
    }

    .brand-logo,
    .brand-logo-full {
        height: 46px;
        max-width: 160px;
    }

    .brand-name {
        font-size: 17px;
    }

    .brand-name-big {
        font-size: 22px;
    }

    .brand-tag,
    .brand-tagline {
        font-size: 9px;
    }

    .brand-tagline-animated {
        font-size: 9px;
        letter-spacing: 1px;
        margin-top: 2px;
    }
}

@media (max-width: 576px) {
    .brand-rotator {
        width: 150px;
        height: 48px;
    }
    
    .brand-logo-full {
        height: 36px;
        max-width: 130px;
    }
    
    .brand-name-big {
        font-size: 17px;
    }
}

/* =========================================
   UTILITIES & MISC
   ========================================= */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-muted { color: var(--gray-500) !important; }

.bg-white { background-color: white !important; }
.bg-light { background-color: var(--gray-100) !important; }
.bg-primary { background-color: var(--primary) !important; }
.bg-gradient-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important; }

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

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

.cursor-pointer { cursor: pointer; }

.row {
    display: flex;
    flex-wrap: wrap;
}

#contacts {
    scroll-margin-top: 90px;
}

.category-clickable {
    cursor: pointer;
}

.btn-link-reset {
    background: transparent;
    border: none;
    padding: 0;
    color: var(--cott-blue);
    font-weight: 700;
}

.btn-link-reset:hover {
    color: var(--cott-blue-dark);
}

.navbar .fa-solid,
.navbar .fa-regular,
.navbar .fa-user-circle,
.navbar .fa-user-shield,
.navbar .fa-bell,
.navbar .fa-envelope,
.navbar .fa-globe,
.navbar .fa-id-badge,
.navbar .fa-right-to-bracket,
.navbar .fa-right-from-bracket,
.navbar .fa-user-plus {
    color: #fb8c00;
}

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

::-webkit-scrollbar-track {
    background: var(--gray-200);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-500);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-600);
}

/* Animations */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-300);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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