/**
 * JobDeva Recruiter - Complete CSS Framework
 * Built by Bharath Kiran Lokanadham
 * Blue/White Theme - Mobile First
 */

/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
    /* Primary Colors - Blue */
    --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;
    
    /* Aliases */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --primary-bg: #eff6ff;
    
    /* Neutral Colors */
    --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;
    
    /* Semantic Colors */
    --success: #16a34a;
    --success-light: #dcfce7;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --info: #0284c7;
    --info-light: #e0f2fe;
    
    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    
    /* Text */
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-tertiary: #6b7280;
    --text-muted: #9ca3af;
    --text-inverse: #ffffff;
    
    /* Borders */
    --border-color: #e5e7eb;
    --border-focus: #3b82f6;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 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: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Font */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
    --z-toast: 800;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

input, button, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ============================================
   Layout - Grid System
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

@media (min-width: 576px) {
    .container { padding: 0 20px; }
}

@media (min-width: 768px) {
    .container { padding: 0 24px; }
}

@media (min-width: 992px) {
    .container { padding: 0 32px; }
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -8px;
}

.col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
.col-7, .col-8, .col-9, .col-10, .col-11, .col-12 {
    width: 100%;
    padding: 0 8px;
}

.col-auto { flex: 0 0 auto; padding: 0 8px; }

@media (min-width: 576px) {
    .col-sm-1 { width: 8.333%; }
    .col-sm-2 { width: 16.667%; }
    .col-sm-3 { width: 25%; }
    .col-sm-4 { width: 33.333%; }
    .col-sm-5 { width: 41.667%; }
    .col-sm-6 { width: 50%; }
    .col-sm-7 { width: 58.333%; }
    .col-sm-8 { width: 66.667%; }
    .col-sm-9 { width: 75%; }
    .col-sm-10 { width: 83.333%; }
    .col-sm-11 { width: 91.667%; }
    .col-sm-12 { width: 100%; }
}

@media (min-width: 768px) {
    .col-md-1 { width: 8.333%; }
    .col-md-2 { width: 16.667%; }
    .col-md-3 { width: 25%; }
    .col-md-4 { width: 33.333%; }
    .col-md-5 { width: 41.667%; }
    .col-md-6 { width: 50%; }
    .col-md-7 { width: 58.333%; }
    .col-md-8 { width: 66.667%; }
    .col-md-9 { width: 75%; }
    .col-md-10 { width: 83.333%; }
    .col-md-11 { width: 91.667%; }
    .col-md-12 { width: 100%; }
}

@media (min-width: 992px) {
    .col-lg-1 { width: 8.333%; }
    .col-lg-2 { width: 16.667%; }
    .col-lg-3 { width: 25%; }
    .col-lg-4 { width: 33.333%; }
    .col-lg-5 { width: 41.667%; }
    .col-lg-6 { width: 50%; }
    .col-lg-7 { width: 58.333%; }
    .col-lg-8 { width: 66.667%; }
    .col-lg-9 { width: 75%; }
    .col-lg-10 { width: 83.333%; }
    .col-lg-11 { width: 91.667%; }
    .col-lg-12 { width: 100%; }
}

@media (min-width: 1200px) {
    .col-xl-1 { width: 8.333%; }
    .col-xl-2 { width: 16.667%; }
    .col-xl-3 { width: 25%; }
    .col-xl-4 { width: 33.333%; }
    .col-xl-5 { width: 41.667%; }
    .col-xl-6 { width: 50%; }
    .col-xl-7 { width: 58.333%; }
    .col-xl-8 { width: 66.667%; }
    .col-xl-9 { width: 75%; }
    .col-xl-10 { width: 83.333%; }
    .col-xl-11 { width: 91.667%; }
    .col-xl-12 { width: 100%; }
}

/* ============================================
   Header / Navigation
   ============================================ */
.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    padding: 0 16px;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 16px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.logo-icon {
    color: var(--primary);
    display: flex;
    align-items: center;
}

.logo-highlight {
    color: var(--primary);
}

.nav-links {
    display: none;
    align-items: center;
    gap: 4px;
}

@media (min-width: 992px) {
    .nav-links { display: flex; }
}

.nav-link {
    padding: 8px 14px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
    background: var(--primary-50);
}

.nav-actions {
    display: flex;
    gap: 8px;
    margin-left: 8px;
}

.nav-user {
    position: relative;
    display: none;
}

@media (min-width: 992px) {
    .nav-user { display: block; }
}

.avatar-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px;
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

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

.user-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

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

@media (min-width: 992px) {
    .mobile-menu-btn { display: none; }
}

.hamburger {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
    transition: background var(--transition-fast);
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    transition: transform var(--transition-base);
}

.hamburger::before { top: -6px; }
.hamburger::after { bottom: -6px; }

.mobile-menu-btn.active .hamburger { background: transparent; }
.mobile-menu-btn.active .hamburger::before { transform: rotate(45deg); top: 0; }
.mobile-menu-btn.active .hamburger::after { transform: rotate(-45deg); bottom: 0; }

.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    max-width: 85vw;
    height: 100vh;
    background: var(--bg-primary);
    z-index: var(--z-modal);
    transition: right var(--transition-slow);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav-close {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
}

.mobile-nav-close:hover {
    background: var(--gray-100);
}

.mobile-nav-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.mobile-nav-link {
    display: block;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.mobile-nav-link:hover {
    background: var(--primary-50);
    color: var(--primary);
}

.mobile-nav-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.mobile-nav-user {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.mobile-user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.mobile-user-name {
    font-weight: 600;
    color: var(--text-primary);
}

.mobile-user-role {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: capitalize;
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
    flex: 1;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    line-height: 1;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
    min-height: 44px;
    text-decoration: none;
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--text-inverse);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

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

.btn-outline:hover {
    background: var(--primary-50);
    color: var(--primary-dark);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--danger);
    color: var(--text-inverse);
    border-color: var(--danger);
}

.btn-danger:hover {
    background: #b91c1c;
    border-color: #b91c1c;
    color: var(--text-inverse);
}

.btn-success {
    background: var(--success);
    color: var(--text-inverse);
    border-color: var(--success);
}

.btn-success:hover {
    background: #15803d;
    border-color: #15803d;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
    min-height: 36px;
}

.btn-xs {
    padding: 4px 10px;
    font-size: 0.75rem;
    min-height: 28px;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-group {
    display: inline-flex;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.card-body {
    padding: 24px;
}

.card-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--gray-50);
}

.card-interactive:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-highlight {
    border-color: var(--primary-200);
    box-shadow: 0 0 0 1px var(--primary-200);
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: all var(--transition-fast);
    min-height: 44px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background: var(--gray-100);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-input.error,
.form-select.error {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.form-hint {
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.form-error {
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--danger);
}

.form-row {
    display: grid;
    gap: 16px;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .form-row-2 { grid-template-columns: 1fr 1fr; }
    .form-row-3 { grid-template-columns: 1fr 1fr 1fr; }
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    margin-top: 2px;
    flex-shrink: 0;
}

.form-check-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ============================================
   Badges
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.6;
    white-space: nowrap;
}

.badge-blue, .badge-primary {
    background: var(--primary-100);
    color: var(--primary-800);
}

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

.badge-amber, .badge-warning {
    background: var(--warning-light);
    color: var(--warning);
}

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

.badge-gray, .badge-neutral {
    background: var(--gray-100);
    color: var(--gray-700);
}

.badge-sm {
    padding: 1px 8px;
    font-size: 0.7rem;
}

.badge-lg {
    padding: 4px 14px;
    font-size: 0.85rem;
}

/* ============================================
   Avatar
   ============================================ */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    font-weight: 700;
    background: var(--primary-100);
    color: var(--primary-700);
    flex-shrink: 0;
}

.avatar-xs { width: 24px; height: 24px; font-size: 0.6rem; }
.avatar-sm { width: 32px; height: 32px; font-size: 0.75rem; }
.avatar-md { width: 40px; height: 40px; font-size: 0.875rem; }
.avatar-lg { width: 48px; height: 48px; font-size: 1rem; }
.avatar-xl { width: 64px; height: 64px; font-size: 1.25rem; }
.avatar-2xl { width: 80px; height: 80px; font-size: 1.5rem; }

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-full);
}

.avatar-ring {
    box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--primary);
}

/* ============================================
   Dropdown Menu
   ============================================ */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
    padding: 6px;
}

.dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

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

.dropdown-item.text-danger { color: var(--danger); }
.dropdown-item.text-danger:hover { background: var(--danger-light); color: var(--danger); }

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

/* ============================================
   Tables
   ============================================ */
.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

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

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================
   Modal / Dialog
   ============================================ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95) translateY(10px);
    transition: transform var(--transition-base);
}

.modal-backdrop.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.1rem;
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    color: var(--text-muted);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* ============================================
   Tabs
   ============================================ */
.tabs {
    border-bottom: 2px solid var(--border-color);
    display: flex;
    gap: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab {
    padding: 12px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
    white-space: nowrap;
    cursor: pointer;
}

.tab:hover {
    color: var(--text-secondary);
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
    padding: 24px 0;
    animation: fadeInUp 0.3s ease;
}

.tab-content.active {
    display: block;
}

/* ============================================
   Progress Bar
   ============================================ */
.progress {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-bar-success { background: var(--success); }
.progress-bar-warning { background: var(--warning); }
.progress-bar-danger { background: var(--danger); }

.progress-sm { height: 4px; }
.progress-lg { height: 12px; }

/* ============================================
   Tooltip
   ============================================ */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 12px;
    background: var(--gray-800);
    color: var(--text-inverse);
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-tooltip);
    pointer-events: none;
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
    position: fixed;
    top: 80px;
    right: 16px;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 380px;
    width: 100%;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s ease;
    min-height: 44px;
}

.toast-success { border-left: 4px solid var(--success); }
.toast-error { border-left: 4px solid var(--danger); }
.toast-warning { border-left: 4px solid var(--warning); }
.toast-info { border-left: 4px solid var(--info); }

.toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.toast-message {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.toast-close {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 1rem;
}

.toast-close:hover {
    background: var(--gray-100);
}

.toast-exit {
    animation: slideOutRight 0.3s ease forwards;
}

/* ============================================
   Flash Message
   ============================================ */
.flash-message {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    margin: 0;
    font-size: 0.9rem;
    font-weight: 500;
    animation: fadeInUp 0.3s ease;
}

.flash-success { background: var(--success-light); color: #166534; }
.flash-error { background: var(--danger-light); color: #991b1b; }
.flash-warning { background: var(--warning-light); color: #92400e; }
.flash-info { background: var(--info-light); color: #075985; }

.flash-close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    opacity: 0.6;
    cursor: pointer;
    background: none;
    border: none;
    color: inherit;
}

.flash-close:hover { opacity: 1; }

/* ============================================
   Sidebar Navigation
   ============================================ */
.sidebar {
    width: 260px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    height: calc(100vh - 64px);
    position: sticky;
    top: 64px;
    overflow-y: auto;
    padding: 16px 0;
    flex-shrink: 0;
}

.sidebar-section {
    padding: 0 12px;
    margin-bottom: 8px;
}

.sidebar-title {
    padding: 8px 12px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.sidebar-link.active {
    background: var(--primary-50);
    color: var(--primary);
}

.sidebar-link svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ============================================
   Kanban Board
   ============================================ */
.kanban {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 16px;
    min-height: 400px;
}

.kanban-column {
    flex: 0 0 300px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 200px);
}

.kanban-column-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.kanban-column-title {
    font-weight: 700;
    font-size: 0.9rem;
}

.kanban-column-count {
    background: var(--gray-200);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.kanban-column-body {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.kanban-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px;
    cursor: grab;
    transition: all var(--transition-fast);
}

.kanban-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.kanban-card.dragging {
    opacity: 0.5;
}

/* ============================================
   Comparison Table
   ============================================ */
.comparison-table {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 12px 16px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th:first-child,
.comparison-table td:first-child {
    text-align: left;
    font-weight: 600;
    min-width: 150px;
}

.comparison-table .header-row th {
    background: var(--primary-50);
    font-weight: 700;
    position: sticky;
    top: 0;
}

.comparison-highlight {
    background: var(--primary-50);
}

/* ============================================
   Landing Page Specific
   ============================================ */
.hero {
    padding: 80px 0 60px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-50) 0%, #ffffff 50%, var(--primary-50) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
}

@media (min-width: 768px) {
    .hero { padding: 120px 0 80px; }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    animation: fadeInUp 0.5s ease;
}

.hero h1 {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 20px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.6s ease;
}

@media (min-width: 768px) {
    .hero h1 { font-size: 3.25rem; }
}

@media (min-width: 992px) {
    .hero h1 { font-size: 3.75rem; }
}

.hero h1 .highlight {
    color: var(--primary);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 36px;
    animation: fadeInUp 0.7s ease;
}

@media (min-width: 768px) {
    .hero-subtitle { font-size: 1.2rem; }
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    animation: fadeInUp 0.8s ease;
}

@media (min-width: 576px) {
    .hero-actions {
        flex-direction: row;
        justify-content: center;
    }
}

.section {
    padding: 60px 0;
}

@media (min-width: 768px) {
    .section { padding: 80px 0; }
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    display: inline-block;
    padding: 4px 14px;
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .section-title { font-size: 2.25rem; }
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

/* Steps */
.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .steps-grid { grid-template-columns: repeat(3, 1fr); gap: 32px; }
}

.step-card {
    text-align: center;
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    transition: all var(--transition-base);
}

.step-card:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--primary-100);
    color: var(--primary-700);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.step-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.step-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 576px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
    .features-grid { grid-template-columns: repeat(3, 1fr); }
}

.feature-card {
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: var(--primary-100);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Stats */
.stats-section {
    background: var(--primary);
    color: var(--text-inverse);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    text-align: center;
}

@media (min-width: 768px) {
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

.stat-item {
    padding: 16px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .stat-number { font-size: 2.5rem; }
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.85;
    margin-top: 4px;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 768px) {
    .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.testimonial-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.testimonial-role {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}

.pricing-card {
    padding: 32px;
    border-radius: var(--radius-xl);
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    text-align: center;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.15);
}

.pricing-card.featured::before {
    content: 'Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 16px;
    background: var(--primary);
    color: var(--text-inverse);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
}

.pricing-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
}

.pricing-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 28px;
}

.pricing-features li {
    padding: 8px 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pricing-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
    flex-shrink: 0;
}

.pricing-features li.disabled {
    color: var(--text-muted);
    text-decoration: line-through;
}

.pricing-features li.disabled::before {
    content: '✕';
    color: var(--text-muted);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    color: var(--text-inverse);
    padding: 60px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .cta-section h2 { font-size: 2.25rem; }
}

.cta-section p {
    font-size: 1rem;
    opacity: 0.9;
    max-width: 480px;
    margin: 0 auto 28px;
}

.cta-section .btn {
    background: var(--text-inverse);
    color: var(--primary-700);
    border-color: var(--text-inverse);
}

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

/* ============================================
   Auth Pages (Login/Register)
   ============================================ */
.auth-page {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 16px;
    background: var(--gray-50);
}

.auth-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 460px;
    padding: 36px;
}

.auth-card h1 {
    font-size: 1.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 8px;
}

.auth-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 28px;
}

.auth-tabs {
    display: flex;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3px;
    margin-bottom: 28px;
    background: var(--gray-50);
}

.auth-tab {
    flex: 1;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.85rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-muted);
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-tab:hover {
    color: var(--text-secondary);
}

.auth-tab.active {
    background: var(--bg-primary);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.auth-footer a {
    font-weight: 600;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

/* Password strength */
.password-strength {
    margin-top: 6px;
}

.strength-bar {
    display: flex;
    gap: 4px;
    margin-bottom: 4px;
}

.strength-bar span {
    flex: 1;
    height: 4px;
    border-radius: 2px;
    background: var(--gray-200);
    transition: background var(--transition-fast);
}

.strength-bar.weak span:nth-child(1) { background: var(--danger); }
.strength-bar.fair span:nth-child(1),
.strength-bar.fair span:nth-child(2) { background: var(--warning); }
.strength-bar.good span:nth-child(1),
.strength-bar.good span:nth-child(2),
.strength-bar.good span:nth-child(3) { background: var(--primary); }
.strength-bar.strong span { background: var(--success); }

.strength-text {
    font-size: 0.75rem;
    font-weight: 500;
}

.strength-text.weak { color: var(--danger); }
.strength-text.fair { color: var(--warning); }
.strength-text.good { color: var(--primary); }
.strength-text.strong { color: var(--success); }

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 48px 0 0;
    margin-top: auto;
}

.footer-top {
    display: flex;
    flex-direction: column;
    gap: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--gray-700);
}

@media (min-width: 768px) {
    .footer-top {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }
}

.footer-brand .nav-logo {
    color: var(--text-inverse);
    margin-bottom: 8px;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--gray-400);
    margin-top: 8px;
}

.footer-links-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
}

@media (min-width: 768px) {
    .footer-links-grid { gap: 48px; }
}

.footer-col h4 {
    color: var(--text-inverse);
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-col a {
    display: block;
    color: var(--gray-400);
    font-size: 0.85rem;
    padding: 4px 0;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--text-inverse);
}

.footer-bottom {
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.8rem;
    color: var(--gray-500);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-credit strong {
    color: var(--gray-300);
}

/* ============================================
   Utility Classes
   ============================================ */
/* Spacing */
.m-0 { margin: 0; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.ml-2 { margin-left: 8px; }
.mr-2 { margin-right: 8px; }
.mx-auto { margin-left: auto; margin-right: auto; }

.p-0 { padding: 0; }
.p-2 { padding: 8px; }
.p-3 { padding: 12px; }
.p-4 { padding: 16px; }
.p-6 { padding: 24px; }
.p-8 { padding: 32px; }
.px-4 { padding-left: 16px; padding-right: 16px; }
.py-2 { padding-top: 8px; padding-bottom: 8px; }
.py-4 { padding-top: 16px; padding-bottom: 16px; }
.py-6 { padding-top: 24px; padding-bottom: 24px; }

.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }

/* Text */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-accent { color: var(--primary); }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Flex */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* Grid */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.relative { position: relative; }
.absolute { position: absolute; }
.sticky { position: sticky; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.max-h-96 { max-height: 384px; }

/* Width */
.w-full { width: 100%; }
.max-w-sm { max-width: 384px; }
.max-w-md { max-width: 448px; }
.max-w-lg { max-width: 512px; }
.max-w-xl { max-width: 576px; }
.max-w-2xl { max-width: 672px; }
.max-w-4xl { max-width: 896px; }
.max-w-6xl { max-width: 1152px; }

/* Borders */
.border { border: 1px solid var(--border-color); }
.border-t { border-top: 1px solid var(--border-color); }
.border-b { border-bottom: 1px solid var(--border-color); }
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Backgrounds */
.bg-primary { background: var(--primary); }
.bg-primary-light { background: var(--primary-50); }
.bg-white { background: var(--bg-primary); }
.bg-gray { background: var(--gray-50); }

/* Shadow */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Screen Reader */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Visibility Responsive */
@media (max-width: 575px) {
    .hide-mobile { display: none; }
}

@media (min-width: 576px) {
    .show-mobile-only { display: none; }
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

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

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

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.animate-fadeInUp { animation: fadeInUp 0.5s ease; }
.animate-fadeIn { animation: fadeIn 0.5s ease; }
.animate-pulse { animation: pulse 2s infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-bounce { animation: bounce 1s infinite; }

/* Staggered animations */
.stagger-1 { animation-delay: 0.1s; animation-fill-mode: both; }
.stagger-2 { animation-delay: 0.2s; animation-fill-mode: both; }
.stagger-3 { animation-delay: 0.3s; animation-fill-mode: both; }
.stagger-4 { animation-delay: 0.4s; animation-fill-mode: both; }
.stagger-5 { animation-delay: 0.5s; animation-fill-mode: both; }
.stagger-6 { animation-delay: 0.6s; animation-fill-mode: both; }

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

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--gray-300) transparent;
}

/* ============================================
   Loading States
   ============================================ */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.spinner-lg { width: 32px; height: 32px; border-width: 3px; }

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .header, .footer, .mobile-menu-btn, .sidebar { display: none; }
    .main-content { padding: 0; }
    body { background: white; }
}