/* assets/css/theme.css - Enhanced Modern Theme Variables */

/* Light Theme (Default) - Clean & Professional */
:root {
    /* Primary Colors - Modern Purple */
    --primary: #6C63FF;
    --primary-light: #8187FF;
    --primary-soft: #EEF0FF;
    --primary-mid: #C7C4FF;
    --primary-dark: #5A4FDB;
    
    /* Accent Colors - Fresh & Vibrant */
    --green: #10B981;
    --green-light: #D1FAE5;
    --green-soft: #ECFDF5;
    
    --amber: #F59E0B;
    --amber-light: #FEF3C7;
    --amber-soft: #FFFBEB;
    
    --red: #EF4444;
    --red-light: #FEE2E2;
    --red-soft: #FEF2F2;
    
    --cyan: #3B82F6;
    --cyan-light: #DBEAFE;
    --cyan-soft: #EFF6FF;
    
    --purple: #8B5CF6;
    --purple-light: #EDE9FE;
    
    /* Neutral Colors - Light Theme */
    --bg-primary: #F9FAFB;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F3F4F6;
    
    --surface: #FFFFFF;
    --surface-2: #F9FAFB;
    --surface-3: #F3F4F6;
    
    --border-light: #E5E7EB;
    --border-medium: #D1D5DB;
    
    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-tertiary: #6B7280;
    --text-muted: #9CA3AF;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.1);
    --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);
    
    /* Spacing */
    --sidebar-w: 260px;
    --radius-xs: 6px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme - Modern & Professional */
[data-theme="dark"] {
    /* Primary Colors - Maintain but adjust for dark bg */
    --primary: #8187FF;
    --primary-light: #9FA3FF;
    --primary-soft: #2D2F45;
    --primary-mid: #4B4F8C;
    --primary-dark: #6C63FF;
    
    /* Accent Colors - Adjusted for dark mode */
    --green: #34D399;
    --green-light: #064E3B;
    --green-soft: #022C22;
    
    --amber: #FBBF24;
    --amber-light: #78350F;
    --amber-soft: #422006;
    
    --red: #F87171;
    --red-light: #7F1D1D;
    --red-soft: #450A0A;
    
    --cyan: #60A5FA;
    --cyan-light: #1E3A8A;
    --cyan-soft: #172554;
    
    --purple: #A78BFA;
    --purple-light: #4C1D95;
    
    /* Neutral Colors - Dark Theme - Elegant Dark Palette */
    --bg-primary: #0B0F17;      /* Deep charcoal */
    --bg-secondary: #131A28;     /* Rich dark blue */
    --bg-tertiary: #1E2A3A;      /* Slightly lighter */
    
    --surface: #131A28;           /* Main surface */
    --surface-2: #1E2A3A;         /* Secondary surface */
    --surface-3: #2A3A4F;         /* Tertiary surface */
    
    --border-light: #2A3A4F;      /* Subtle borders */
    --border-medium: #3A4B62;     /* Medium borders */
    
    --text-primary: #FFFFFF;      /* Pure white for primary text */
    --text-secondary: #E5E7EB;    /* Very light gray */
    --text-tertiary: #9CA3AF;     /* Medium gray */
    --text-muted: #6B7280;        /* Muted text */
    
    /* Shadows - More pronounced in dark */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.5);
    --shadow-xl: 0 12px 24px rgba(0,0,0,0.6);
}

/* Smooth transitions for all theme-related properties */
* {
    transition: background-color var(--transition-base),
                border-color var(--transition-base),
                color var(--transition-base),
                box-shadow var(--transition-base),
                opacity var(--transition-fast);
}

/* ==================== SIDEBAR STYLES ==================== */
[data-theme="dark"] .sidebar {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-right: 1px solid rgba(255,255,255,0.05);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .sb-header {
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 24px 20px;
}

[data-theme="dark"] .sb-logo {
    color: var(--primary-light);
    font-weight: 700;
    font-size: 1.25rem;
}

[data-theme="dark"] .sb-company {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    padding: 12px;
    margin: 16px 12px;
}

[data-theme="dark"] .sb-company-name {
    color: var(--text-primary);
    font-weight: 600;
}

[data-theme="dark"] .sb-company-currency {
    color: var(--text-tertiary);
    font-size: 0.75rem;
}

[data-theme="dark"] .sb-nav {
    padding: 16px 12px;
}

[data-theme="dark"] .sb-item {
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    margin: 4px 0;
    font-weight: 500;
    transition: all var(--transition-fast);
}

[data-theme="dark"] .sb-item:hover {
    background: rgba(108, 99, 255, 0.1);
    color: var(--primary-light);
    transform: translateX(4px);
}

[data-theme="dark"] .sb-item.active {
    background: linear-gradient(90deg, rgba(108, 99, 255, 0.2) 0%, transparent 100%);
    color: var(--primary-light);
    border-left: 3px solid var(--primary);
}

[data-theme="dark"] .sb-item i {
    color: currentColor;
    opacity: 0.7;
    font-size: 1.1rem;
}

/* ==================== USER SECTION ==================== */
[data-theme="dark"] .sb-user {
    background: rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.03);
    border-radius: var(--radius-lg);
    margin: 16px 12px;
    padding: 16px;
}

[data-theme="dark"] .sb-user-avatar {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
    box-shadow: 0 4px 12px rgba(108, 99, 255, 0.3);
}

[data-theme="dark"] .sb-user-info {
    color: var(--text-primary);
}

[data-theme="dark"] .sb-user-name {
    font-weight: 600;
}

[data-theme="dark"] .sb-user-role {
    color: var(--text-tertiary);
    font-size: 0.75rem;
}

[data-theme="dark"] .sb-user-dropdown {
    background: var(--surface-3);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .sb-user-dropdown a {
    color: var(--text-secondary);
    padding: 12px 16px;
}

[data-theme="dark"] .sb-user-dropdown a:hover {
    background: rgba(108, 99, 255, 0.1);
    color: var(--primary-light);
}

/* ==================== THEME TOGGLE ==================== */
[data-theme="dark"] .sb-theme-toggle {
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.03);
    border-radius: var(--radius-md);
    padding: 8px;
    margin: 12px;
}

[data-theme="dark"] .theme-toggle-btn {
    background: transparent;
    color: var(--text-tertiary);
    border: none;
    border-radius: var(--radius-sm);
    padding: 8px;
    transition: all var(--transition-fast);
}

[data-theme="dark"] .theme-toggle-btn:hover {
    background: rgba(108, 99, 255, 0.1);
    color: var(--primary-light);
}

[data-theme="dark"] .theme-toggle-btn.active {
    background: rgba(108, 99, 255, 0.2);
    color: var(--primary-light);
}

/* ==================== MAIN CONTENT ==================== */
[data-theme="dark"] .main-content {
    background: var(--bg-primary);
}

[data-theme="dark"] .topbar {
    background: transparent;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

[data-theme="dark"] .topbar h1 {
    color: var(--text-primary);
}

[data-theme="dark"] .company-badge {
    background: rgba(108, 99, 255, 0.1);
    color: var(--primary-light);
    border: 1px solid rgba(108, 99, 255, 0.2);
}

/* ==================== CARDS ==================== */
[data-theme="dark"] .stat-card,
[data-theme="dark"] .chart-card,
[data-theme="dark"] .section-card,
[data-theme="dark"] .settings-card,
[data-theme="dark"] .profile-sidebar,
[data-theme="dark"] .profile-content {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.03);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

[data-theme="dark"] .stat-card:hover {
    border-color: rgba(108, 99, 255, 0.3);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

/* ==================== FORMS ==================== */
[data-theme="dark"] .form-control,
[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background: var(--surface-2);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

[data-theme="dark"] .form-control:hover,
[data-theme="dark"] input:hover,
[data-theme="dark"] select:hover,
[data-theme="dark"] textarea:hover {
    border-color: rgba(108, 99, 255, 0.3);
    background: var(--surface-3);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus,
[data-theme="dark"] textarea:focus {
    border-color: var(--primary);
    background: var(--surface-3);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.2);
}

[data-theme="dark"] .form-label {
    color: var(--text-secondary);
    font-weight: 500;
}

/* ==================== TABLES ==================== */
[data-theme="dark"] .data-table {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

[data-theme="dark"] .data-table thead th {
    background: var(--surface-2);
    color: var(--text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

[data-theme="dark"] .data-table tbody td {
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255,255,255,0.03);
    padding: 16px;
}

[data-theme="dark"] .data-table tbody tr:hover td {
    background: rgba(108, 99, 255, 0.05);
}

/* ==================== BADGES ==================== */
[data-theme="dark"] .badge {
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 0.02em;
}

[data-theme="dark"] .badge-success,
[data-theme="dark"] .badge-paid,
[data-theme="dark"] .badge-active {
    background: linear-gradient(135deg, var(--green-soft), transparent);
    color: var(--green);
    border: 1px solid rgba(52, 211, 153, 0.2);
}

[data-theme="dark"] .badge-warning,
[data-theme="dark"] .badge-pending {
    background: linear-gradient(135deg, var(--amber-soft), transparent);
    color: var(--amber);
    border: 1px solid rgba(251, 191, 36, 0.2);
}

[data-theme="dark"] .badge-danger,
[data-theme="dark"] .badge-overdue,
[data-theme="dark"] .badge-inactive {
    background: linear-gradient(135deg, var(--red-soft), transparent);
    color: var(--red);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

[data-theme="dark"] .badge-info {
    background: linear-gradient(135deg, var(--cyan-soft), transparent);
    color: var(--cyan);
    border: 1px solid rgba(96, 165, 250, 0.2);
}

/* ==================== BUTTONS ==================== */
[data-theme="dark"] .btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border: none;
    color: white;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

[data-theme="dark"] .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(108, 99, 255, 0.4);
}

[data-theme="dark"] .btn-secondary {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-secondary);
    font-weight: 500;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

[data-theme="dark"] .btn-secondary:hover {
    background: rgba(108, 99, 255, 0.1);
    border-color: var(--primary);
    color: var(--primary-light);
}

[data-theme="dark"] .btn-ghost {
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

[data-theme="dark"] .btn-ghost:hover {
    color: var(--primary-light);
    background: rgba(108, 99, 255, 0.1);
}

/* ==================== ICON BUTTONS ==================== */
[data-theme="dark"] .btn-icon {
    background: var(--surface-2);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

[data-theme="dark"] .btn-icon:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.05);
}

/* ==================== ALERTS ==================== */
[data-theme="dark"] .alert {
    border-radius: var(--radius-md);
    padding: 16px 20px;
    border: none;
}

[data-theme="dark"] .alert-success {
    background: linear-gradient(135deg, var(--green-soft), var(--surface-2));
    color: var(--green);
    border-left: 4px solid var(--green);
}

[data-theme="dark"] .alert-error,
[data-theme="dark"] .alert-danger {
    background: linear-gradient(135deg, var(--red-soft), var(--surface-2));
    color: var(--red);
    border-left: 4px solid var(--red);
}

[data-theme="dark"] .alert-warning {
    background: linear-gradient(135deg, var(--amber-soft), var(--surface-2));
    color: var(--amber);
    border-left: 4px solid var(--amber);
}

[data-theme="dark"] .alert-info {
    background: linear-gradient(135deg, var(--cyan-soft), var(--surface-2));
    color: var(--cyan);
    border-left: 4px solid var(--cyan);
}

/* ==================== TOASTS ==================== */
[data-theme="dark"] .toast {
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    box-shadow: var(--shadow-lg);
    border: none;
}

[data-theme="dark"] .toast-success {
    background: linear-gradient(135deg, var(--surface-3), var(--surface-2));
    border-left: 4px solid var(--green);
    color: var(--text-primary);
}

[data-theme="dark"] .toast-success i {
    color: var(--green);
}

[data-theme="dark"] .toast-error {
    background: linear-gradient(135deg, var(--surface-3), var(--surface-2));
    border-left: 4px solid var(--red);
    color: var(--text-primary);
}

[data-theme="dark"] .toast-error i {
    color: var(--red);
}

[data-theme="dark"] .toast-warning {
    background: linear-gradient(135deg, var(--surface-3), var(--surface-2));
    border-left: 4px solid var(--amber);
    color: var(--text-primary);
}

[data-theme="dark"] .toast-warning i {
    color: var(--amber);
}

/* ==================== MODALS ==================== */
[data-theme="dark"] .modal-overlay {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

[data-theme="dark"] .modal-box {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

[data-theme="dark"] .modal-head {
    background: var(--surface-2);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

[data-theme="dark"] .modal-head h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .modal-x {
    background: var(--surface-3);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

[data-theme="dark"] .modal-x:hover {
    background: var(--primary);
    color: white;
}

/* ==================== PAGINATION ==================== */
[data-theme="dark"] .pagination {
    margin-top: 20px;
}

[data-theme="dark"] .page-link {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.05);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

[data-theme="dark"] .page-link:hover {
    background: rgba(108, 99, 255, 0.1);
    border-color: var(--primary);
    color: var(--primary-light);
}

[data-theme="dark"] .page-link.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-color: transparent;
    color: white;
}

/* ==================== SCROLLBAR ==================== */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--surface-2);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: var(--radius-sm);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* ==================== PROGRESS BARS ==================== */
[data-theme="dark"] .progress-bar-bg {
    background: var(--surface-3);
}

[data-theme="dark"] .progress-fill {
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-sm);
}

/* ==================== DROPDOWNS ==================== */
[data-theme="dark"] .dropdown-menu {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .dropdown-item {
    color: var(--text-secondary);
    padding: 10px 16px;
    transition: all var(--transition-fast);
}

[data-theme="dark"] .dropdown-item:hover {
    background: rgba(108, 99, 255, 0.1);
    color: var(--primary-light);
}

/* ==================== TABS ==================== */
[data-theme="dark"] .tab-bar {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    padding: 4px;
}

[data-theme="dark"] .tab-btn {
    color: var(--text-tertiary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

[data-theme="dark"] .tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

[data-theme="dark"] .tab-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
}

/* ==================== CHARTS ==================== */
[data-theme="dark"] .chart-card {
    background: var(--surface);
}

[data-theme="dark"] canvas {
    filter: brightness(0.9) contrast(1.1);
}

/* ==================== EMPTY STATES ==================== */
[data-theme="dark"] .empty-state {
    color: var(--text-tertiary);
}

[data-theme="dark"] .empty-icon {
    background: rgba(108, 99, 255, 0.1);
    color: var(--primary-light);
}

/* ==================== SECTION DIVIDERS ==================== */
[data-theme="dark"] .section-divider {
    border-color: rgba(255,255,255,0.05);
}

/* ==================== COMPANY BADGES ==================== */
[data-theme="dark"] .company-badge {
    background: rgba(108, 99, 255, 0.1);
    color: var(--primary-light);
    border: 1px solid rgba(108, 99, 255, 0.2);
}

/* ==================== USER AVATARS ==================== */
[data-theme="dark"] .user-avatar {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    box-shadow: 0 4px 12px rgba(108, 99, 255, 0.3);
}