/**
 * WorkTracker - Main Stylesheet
 * Modern dark theme with glassmorphism effects
 */

/* =====================================================
   CSS VARIABLES
   ===================================================== */
:root {
    /* Colors - Dark Theme */
    --bg-primary: #0f0f14;
    --bg-secondary: #1a1a24;
    --bg-tertiary: #252532;
    --bg-card: rgba(30, 30, 42, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.05);

    /* Accent Colors */
    --accent-primary: #6366f1;
    --accent-primary-hover: #818cf8;
    --accent-secondary: #22d3ee;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);

    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Status Colors */
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.15);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.15);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.15);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.15);

    /* Borders */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-focus: rgba(99, 102, 241, 0.5);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* 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;
}

/* Light theme variables (for invoice view) */
.light-theme {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.95);
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: rgba(0, 0, 0, 0.1);
}

/* =====================================================
   BASE STYLES
   ===================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

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

/* Background pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at top left, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

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

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

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

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-lg);
}

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

.text-muted {
    color: var(--text-muted);
}

.text-success {
    color: var(--success);
}

.text-warning {
    color: var(--warning);
}

.text-danger {
    color: var(--danger);
}

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

/* =====================================================
   LAYOUT
   ===================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.container-sm {
    max-width: 600px;
}

.container-md {
    max-width: 800px;
}

.container-lg {
    max-width: 1000px;
}

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

.flex {
    display: flex;
    gap: var(--spacing-md);
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* =====================================================
   CARDS
   ===================================================== */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

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

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-title i {
    color: var(--accent-primary);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-glass);
    border-color: var(--accent-primary);
}

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

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

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

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

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

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

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-action {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-action:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.btn-action.btn-secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

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

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--border-focus);
}

.form-control::placeholder {
    color: var(--text-muted);
}

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

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.form-error {
    font-size: var(--font-size-xs);
    color: var(--danger);
    margin-top: var(--spacing-xs);
}

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

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

th,
td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--bg-tertiary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

tbody tr {
    transition: background var(--transition-fast);
}

tbody tr:hover {
    background: var(--bg-glass);
}

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

.items-table {
    width: 100%;
    margin: var(--spacing-md) 0;
}

.items-table th,
.items-table td {
    padding: var(--spacing-sm) var(--spacing-md);
}

.items-table .total-row {
    font-weight: 600;
    font-size: var(--font-size-lg);
    background: var(--bg-tertiary);
}

/* =====================================================
   BADGES
   ===================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

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

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

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

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

.badge-secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* =====================================================
   ALERTS
   ===================================================== */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert i {
    font-size: var(--font-size-lg);
    margin-top: 2px;
}

.alert-success {
    background: var(--success-bg);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-warning {
    background: var(--warning-bg);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.alert-danger {
    background: var(--danger-bg);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-info {
    background: var(--info-bg);
    border: 1px solid var(--info);
    color: var(--info);
}

/* =====================================================
   STATUS BAR (Workflow)
   ===================================================== */
.status-bar {
    display: flex;
    gap: var(--spacing-xs);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.status-step {
    flex: 1;
    min-width: 80px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    transition: all var(--transition-normal);
}

.status-step.active {
    background: var(--success-bg);
    color: var(--success);
}

.status-step.current {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-glow);
}

.status-step::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-left: 6px solid var(--bg-tertiary);
}

.status-step:last-child::after {
    display: none;
}

.status-step.active::after {
    border-left-color: var(--success-bg);
}

.status-step.current::after {
    border-left-color: #8b5cf6;
}

/* =====================================================
   INFO ROWS
   ===================================================== */
.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.info-value {
    font-weight: 500;
    text-align: right;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 600px) {
    .info-grid {
        grid-template-columns: 1fr;
    }
}

.info-section h3 {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* =====================================================
   DUE DATE COUNTDOWN
   ===================================================== */
.due-countdown {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-left: var(--spacing-sm);
}

.due-countdown.soon {
    background: var(--warning-bg);
    color: var(--warning);
}

.due-countdown.overdue {
    background: var(--danger-bg);
    color: var(--danger);
}

/* =====================================================
   MODALS
   ===================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* =====================================================
   MESSAGES (Chat)
   ===================================================== */
.message-card {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-md);
    max-width: 80%;
    position: relative;
}

.message-own {
    margin-left: auto;
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.message-other {
    margin-right: auto;
    background: var(--bg-card);
}

.message-meta {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
    /* Critical for flex scrolling */
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    flex-shrink: 0;
    background: var(--bg-card);
    /* Ensure opaque background */
}

/* Invoice Modal */
.invoice-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.invoice-modal {
    background: white;
    border-radius: var(--radius-lg);
    width: 95%;
    max-width: 800px;
    max-height: 95vh;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.invoice-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.invoice-modal-header h3 {
    margin: 0;
    color: var(--text-primary);
}

.invoice-modal-header .close-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    border-radius: var(--radius-md);
}

.invoice-modal-header .close-btn:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

.invoice-modal-body {
    height: calc(95vh - 60px);
}

.invoice-modal-body iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* =====================================================
   LOGIN PAGE
   ===================================================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.login-header h1 {
    font-size: var(--font-size-2xl);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.login-header p {
    color: var(--text-secondary);
}

.login-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

/* =====================================================
   HEADER / NAVIGATION
   ===================================================== */
.header {
    text-align: center;
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-lg);
}

.header h1 {
    font-size: var(--font-size-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.header h1 i {
    color: var(--accent-primary);
}

.nav {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-brand i {
    color: var(--accent-primary);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-user-name {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--bg-card);
        flex-direction: column;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--border-color);
        display: none;
    }

    .nav-menu.active {
        display: flex;
    }
}

/* =====================================================
   SIDEBAR LAYOUT
   ===================================================== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-brand {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-brand i {
    color: var(--accent-primary);
}

.sidebar-menu {
    list-style: none;
}

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

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.sidebar-link.active {
    background: var(--accent-gradient);
    color: white;
}

.sidebar-link i {
    width: 20px;
    text-align: center;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: var(--spacing-xl);
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }

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

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

/* =====================================================
   DASHBOARD STATS
   ===================================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
}

.stat-icon.blue {
    background: var(--info-bg);
    color: var(--info);
}

.stat-icon.green {
    background: var(--success-bg);
    color: var(--success);
}

.stat-icon.orange {
    background: var(--warning-bg);
    color: var(--warning);
}

.stat-icon.purple {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
}

.stat-info h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: 0;
}

.stat-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
}

/* =====================================================
   STAR RATING
   ===================================================== */
.star-rating {
    color: var(--warning);
    font-size: var(--font-size-sm);
}

.star-rating .far {
    color: var(--text-muted);
}

.rating-input {
    display: flex;
    gap: var(--spacing-xs);
}

.rating-input label {
    cursor: pointer;
    font-size: var(--font-size-xl);
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.rating-input input {
    display: none;
}

.rating-input label:hover,
.rating-input label:hover~label,
.rating-input input:checked~label {
    color: var(--warning);
}

/* =====================================================
   ERROR BOX
   ===================================================== */
.error-box {
    background: var(--danger-bg);
    border: 1px solid var(--danger);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    max-width: 400px;
    margin: var(--spacing-2xl) auto;
}

.error-box i {
    font-size: 48px;
    color: var(--danger);
    margin-bottom: var(--spacing-md);
}

.error-box h2 {
    color: var(--danger);
    margin-bottom: var(--spacing-sm);
}

.error-container {
    text-align: center;
    padding: var(--spacing-2xl);
}

.error-container i {
    font-size: 64px;
    color: var(--danger);
    margin-bottom: var(--spacing-lg);
}

/* =====================================================
   INVOICE VIEW PAGE
   ===================================================== */
.invoice-view-page {
    background: var(--bg-primary);
    min-height: 100vh;
    padding: var(--spacing-lg);
}

.invoice-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.invoice-header {
    background: var(--accent-gradient);
    color: white;
    padding: var(--spacing-xl);
    text-align: center;
}

.invoice-header h1 {
    margin: 0;
    font-size: var(--font-size-2xl);
}

.invoice-number {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

.invoice-body {
    padding: var(--spacing-xl);
    color: #1e293b;
}

.invoice-body h3 {
    color: #64748b;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.invoice-body .items-table th {
    background: #f1f5f9;
    color: #475569;
}

.invoice-body .items-table td {
    border-color: #e2e8f0;
}

.invoice-body .amount {
    text-align: right;
}

.totals {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid #e2e8f0;
}

.totals .row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.totals .total {
    font-size: var(--font-size-lg);
    font-weight: 600;
    padding-top: var(--spacing-md);
    border-top: 1px solid #e2e8f0;
}

.due-date {
    background: #f1f5f9;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.due-date .label {
    font-size: var(--font-size-sm);
    color: #64748b;
    margin-bottom: var(--spacing-xs);
}

.due-date .date {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: #1e293b;
}

.payment-info {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.payment-info h4 {
    margin-bottom: var(--spacing-md);
    color: #1e293b;
}

.payment-info .row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid #e2e8f0;
}

.payment-info .row:last-child {
    border-bottom: none;
}

.payment-info .label {
    color: #64748b;
}

.print-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--accent-gradient);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 500;
    margin-top: var(--spacing-xl);
    transition: all var(--transition-fast);
}

.print-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: white;
}

/* Print styles */
@media print {
    body {
        background: white !important;
    }

    .print-btn,
    .invoice-modal-header {
        display: none !important;
    }

    .invoice-container {
        box-shadow: none;
        max-width: 100%;
    }
}

/* =====================================================
   WORKFLOW PAGE
   ===================================================== */
.workflow-page {
    background: var(--bg-primary);
    min-height: 100vh;
}

.workflow-page .container {
    max-width: 600px;
}

/* =====================================================
   LOADING SPINNER
   ===================================================== */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* =====================================================
   UTILITIES
   ===================================================== */
.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mt-4 {
    margin-top: var(--spacing-xl);
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.mb-4 {
    margin-bottom: var(--spacing-xl);
}

.p-1 {
    padding: var(--spacing-sm);
}

.p-2 {
    padding: var(--spacing-md);
}

.p-3 {
    padding: var(--spacing-lg);
}

.p-4 {
    padding: var(--spacing-xl);
}

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* =====================================================
   ATTRIBUTE CHECKBOXES
   ===================================================== */
.attribute-checkbox {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.list-unstyled {
    list-style: none;
    padding: 0;
    margin: 0;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.attribute-checkbox input {
    display: none;
}

.attribute-checkbox span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.attribute-checkbox span i {
    font-size: 0.75rem;
}

.attribute-checkbox:hover span {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.attribute-checkbox input:checked+span {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

/* =====================================================
   MOBILE ENHANCEMENTS
   ===================================================== */

/* Admin Panel Button (highlighted in worker nav) */
.btn-admin-panel {
    background: var(--accent-gradient) !important;
    color: white !important;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-md) !important;
    font-weight: 600 !important;
}

.btn-admin-panel:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

/* Collapsible Accordion */
.accordion {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
}

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

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-tertiary);
    cursor: pointer;
    user-select: none;
    transition: background var(--transition-fast);
}

.accordion-header:hover {
    background: var(--bg-glass);
}

.accordion-header h4 {
    margin: 0;
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.accordion-toggle {
    transition: transform var(--transition-fast);
}

.accordion-item.open .accordion-toggle {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    background: var(--bg-card);
}

.accordion-item.open .accordion-content {
    max-height: 1000px;
}

.accordion-body {
    padding: var(--spacing-md) var(--spacing-lg);
}

/* Row column layout for mobile */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -0.5rem;
}

.col,
.col-md-3,
.col-md-4,
.col-md-6 {
    padding: 0 0.5rem;
    margin-bottom: 1rem;
}

.col-md-3 {
    flex: 0 0 25%;
    max-width: 25%;
}

.col-md-4 {
    flex: 0 0 33.333%;
    max-width: 33.333%;
}

.col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
}

.col {
    flex: 1 0 0%;
}

@media (max-width: 768px) {

    .col-md-3,
    .col-md-4,
    .col-md-6,
    .col {
        flex: 0 0 50%;
        max-width: 50%;
    }

    h1 {
        font-size: 1.5rem;
    }

    .flex-between {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .cv-header-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .cv-header-actions .btn {
        flex: 1;
        min-width: 120px;
    }
}

@media (max-width: 576px) {

    .col-md-3,
    .col-md-4,
    .col-md-6,
    .col {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .container {
        padding: 1rem;
    }

    .card {
        padding: 1rem;
    }

    .table-wrapper {
        font-size: 0.85rem;
    }

    th,
    td {
        padding: 0.5rem;
    }

    /* Hide non-essential table columns on mobile */
    .hide-mobile {
        display: none !important;
    }
}

/* Stats grid mobile optimization */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

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

/* Unassigned orders pool styling */
.unassigned-badge {
    background: var(--warning-bg);
    color: var(--warning);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

/* =====================================================
   MOBILE HAMBURGER MENU
   ===================================================== */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1001;
    width: 44px;
    height: 44px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.mobile-menu-toggle:hover {
    transform: scale(1.05);
}

.mobile-close-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    margin-left: auto;
    transition: var(--transition-fast);
}

.mobile-close-btn:hover {
    color: var(--danger);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 999;
    backdrop-filter: blur(4px);
}

.sidebar-overlay.active {
    display: block;
}

@media (max-width: 992px) {
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .mobile-close-btn {
        display: block;
    }

    .sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        bottom: 0;
        width: 280px;
        z-index: 1000;
        transition: left 0.3s ease;
    }

    .sidebar.open {
        left: 0;
    }

    .sidebar-brand {
        display: flex;
        align-items: center;
    }

    .main-content {
        margin-left: 0;
        padding-top: 4rem;
    }
}

/* =====================================================
   OVERDUE INDICATOR STYLING
   ===================================================== */
.row-overdue {
    border-left: 3px solid var(--danger) !important;
    background: rgba(239, 68, 68, 0.05) !important;
}

.row-overdue td:first-child::before {
    content: '\f071';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--danger);
    margin-right: 0.5rem;
    font-size: 0.75rem;
}

.overdue-badge {
    background: var(--danger-bg);
    color: var(--danger);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

/* Today highlight */
.row-today {
    border-left: 3px solid var(--accent-primary) !important;
    background: rgba(99, 102, 241, 0.05) !important;
}