/* public/css/style.css */

.bill-group-new {
    background-color: #e6f7ff;
}
.bill-group-new:hover {
    background-color: #d9f2ff;
}

.bill-group-settlement {
    background-color: #fffbe6;
}
.bill-group-settlement:hover {
    background-color: #fff8d9;
}

.bill-group-old {
    background-color: #ffffff;
}
.bill-group-old:hover {
    background-color: #f8f9fa;
}

.status-voided {
    background-color: #fafafa !important;
    color: #aaa !important;
    text-decoration: line-through;
    opacity: 0.7;
}
.status-voided:hover {
    background-color: #f5f5f5 !important;
}
/* Professional SaaS UI Refresh - Optimized & Responsive */

:root {
    /* Default Theme: Professional Business */
    --theme: professional;
    
    /* Common Variables */
    --sidebar-width: 250px;
    --header-height: 64px;
    --spacing-unit: 8px;
    
    --font-size-xs: 12px;
    --font-size-sm: 13px;
    --font-size-base: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-xxl: 32px;
    
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 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);
    
    /* Professional Business Theme */
    --brand-primary: #1a365d;
    --brand-primary-hover: #2c5282;
    --brand-primary-light: #ebf8ff;
    --brand-text-on-primary: #FFFFFF;
    
    --bg-canvas: #F7FAFC;
    --bg-surface: #FFFFFF;
    --bg-surface-hover: #EDF2F7;
    
    --text-primary: #2D3748;
    --text-secondary: #4A5568;
    --text-disabled: #A0AEC0;
    
    --border-neutral: #E2E8F0;
    --border-focus: var(--brand-primary);
    
    --status-success: #38A169;
    --status-success-bg: #F0FFF4;
    --status-warning: #D69E2E;
    --status-warning-bg: #FFFBEB;
    --status-danger: #E53E3E;
    --status-danger-bg: #FEF2F2;
    --status-info: #3182CE;
    --status-info-bg: #EBF8FF;
    
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.7);
    --app-bg-1: rgba(26, 54, 93, 0.08);
    --app-bg-2: rgba(56, 161, 105, 0.06);
    
    --gradient-primary: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-hover));
    --gradient-secondary: linear-gradient(135deg, #2B6CB0, #2C5282);
    --gradient-success: linear-gradient(135deg, #38A169, #2F855A);
    --gradient-warning: linear-gradient(135deg, #D69E2E, #B7791F);
    --gradient-danger: linear-gradient(135deg, #E53E3E, #C53030);
}

/* Modern Tech Theme */
[data-theme="modern-tech"] {
    --brand-primary: #4F46E5;
    --brand-primary-hover: #4338CA;
    --brand-primary-light: #EEF2FF;
    --brand-text-on-primary: #FFFFFF;
    
    --bg-canvas: #1E293B;
    --bg-surface: #334155;
    --bg-surface-hover: #475569;
    
    --text-primary: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-disabled: #94A3B8;
    
    --border-neutral: #475569;
    --border-focus: var(--brand-primary);
    
    --status-success: #10B981;
    --status-success-bg: #065F46;
    --status-warning: #F59E0B;
    --status-warning-bg: #92400E;
    --status-danger: #EF4444;
    --status-danger-bg: #991B1B;
    --status-info: #3B82F6;
    --status-info-bg: #1E40AF;
    
    --glass-bg: rgba(51, 65, 85, 0.85);
    --glass-border: rgba(71, 85, 105, 0.7);
    --app-bg-1: rgba(79, 70, 229, 0.15);
    --app-bg-2: rgba(16, 185, 129, 0.1);
}

/* Clean Minimal Theme */
[data-theme="clean-minimal"] {
    --brand-primary: #10B981;
    --brand-primary-hover: #059669;
    --brand-primary-light: #ECFDF5;
    --brand-text-on-primary: #FFFFFF;
    
    --bg-canvas: #FAFAFA;
    --bg-surface: #FFFFFF;
    --bg-surface-hover: #F9FAFB;
    
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --text-disabled: #9CA3AF;
    
    --border-neutral: #E5E7EB;
    --border-focus: var(--brand-primary);
    
    --status-success: #10B981;
    --status-success-bg: #ECFDF5;
    --status-warning: #F59E0B;
    --status-warning-bg: #FFFBEB;
    --status-danger: #EF4444;
    --status-danger-bg: #FEF2F2;
    --status-info: #3B82F6;
    --status-info-bg: #EFF6FF;
    
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(255, 255, 255, 0.8);
    --app-bg-1: rgba(16, 185, 129, 0.08);
    --app-bg-2: rgba(59, 130, 246, 0.06);
}

/* Dark Mode Theme */
[data-theme="dark-mode"] {
    --brand-primary: #6366F1;
    --brand-primary-hover: #4F46E5;
    --brand-primary-light: #1E1B4B;
    --brand-text-on-primary: #FFFFFF;
    
    --bg-canvas: #0F172A;
    --bg-surface: #1E293B;
    --bg-surface-hover: #334155;
    
    --text-primary: #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-disabled: #94A3B8;
    
    --border-neutral: #334155;
    --border-focus: var(--brand-primary);
    
    --status-success: #10B981;
    --status-success-bg: #065F46;
    --status-warning: #F59E0B;
    --status-warning-bg: #92400E;
    --status-danger: #EF4444;
    --status-danger-bg: #991B1B;
    --status-info: #3B82F6;
    --status-info-bg: #1E40AF;
    
    --glass-bg: rgba(30, 41, 59, 0.85);
    --glass-border: rgba(51, 65, 85, 0.7);
    --app-bg-1: rgba(99, 102, 241, 0.1);
    --app-bg-2: rgba(16, 185, 129, 0.05);
}

/* Luxury Theme */
[data-theme="luxury"] {
    --brand-primary: #D4AF37;
    --brand-primary-hover: #B8860B;
    --brand-primary-light: #FFF8E1;
    --brand-text-on-primary: #1A1A1A;
    
    --bg-canvas: #F8F5F0;
    --bg-surface: #FFFFFF;
    --bg-surface-hover: #F5F2ED;
    
    --text-primary: #3C2A1E;
    --text-secondary: #6B5A48;
    --text-disabled: #9E8D7A;
    
    --border-neutral: #E8E0D5;
    --border-focus: var(--brand-primary);
    
    --status-success: #8B4513;
    --status-success-bg: #FFF8E1;
    --status-warning: #D4AF37;
    --status-warning-bg: #FFF8E1;
    --status-danger: #8B0000;
    --status-danger-bg: #FFF0F0;
    --status-info: #4B0082;
    --status-info-bg: #F8F0FF;
    
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(255, 255, 255, 0.8);
    --app-bg-1: rgba(212, 175, 55, 0.08);
    --app-bg-2: rgba(60, 42, 30, 0.06);
    
    --gradient-primary: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-hover));
    --gradient-secondary: linear-gradient(135deg, #B8860B, #8B4513);
    --gradient-success: linear-gradient(135deg, #8B4513, #654321);
    --gradient-warning: linear-gradient(135deg, #D4AF37, #B8860B);
    --gradient-danger: linear-gradient(135deg, #8B0000, #600000);
}

:root {
    /* Default Theme: Professional Business */
    --theme: professional;
    
    /* Common Variables */
    --sidebar-width: 250px;
    --header-height: 64px;
    --spacing-unit: 8px;
    
    --font-size-xs: 12px;
    --font-size-sm: 13px;
    --font-size-base: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-xxl: 32px;
    
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 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);
    
    /* Professional Business Theme */
    --brand-primary: #1a365d;
    --brand-primary-hover: #2c5282;
    --brand-primary-light: #ebf8ff;
    --brand-text-on-primary: #FFFFFF;
    
    --bg-canvas: #F7FAFC;
    --bg-surface: #FFFFFF;
    --bg-surface-hover: #EDF2F7;
    
    --text-primary: #2D3748;
    --text-secondary: #4A5568;
    --text-disabled: #A0AEC0;
    
    --border-neutral: #E2E8F0;
    --border-focus: var(--brand-primary);
    
    --status-success: #38A169;
    --status-success-bg: #F0FFF4;
    --status-warning: #D69E2E;
    --status-warning-bg: #FFFBEB;
    --status-danger: #E53E3E;
    --status-danger-bg: #FEF2F2;
    --status-info: #3182CE;
    --status-info-bg: #EBF8FF;
    
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.7);
    --app-bg-1: rgba(26, 54, 93, 0.08);
    --app-bg-2: rgba(56, 161, 105, 0.06);
    
    --gradient-primary: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-hover));
    --gradient-secondary: linear-gradient(135deg, #2B6CB0, #2C5282);
    --gradient-success: linear-gradient(135deg, #38A169, #2F855A);
    --gradient-warning: linear-gradient(135deg, #D69E2E, #B7791F);
    --gradient-danger: linear-gradient(135deg, #E53E3E, #C53030);
}

/* Modern Tech Theme */
[data-theme="modern-tech"] {
    --brand-primary: #4F46E5;
    --brand-primary-hover: #4338CA;
    --brand-primary-light: #EEF2FF;
    --brand-text-on-primary: #FFFFFF;
    
    --bg-canvas: #1E293B;
    --bg-surface: #334155;
    --bg-surface-hover: #475569;
    
    --text-primary: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-disabled: #94A3B8;
    
    --border-neutral: #475569;
    --border-focus: var(--brand-primary);
    
    --status-success: #10B981;
    --status-success-bg: #065F46;
    --status-warning: #F59E0B;
    --status-warning-bg: #92400E;
    --status-danger: #EF4444;
    --status-danger-bg: #991B1B;
    --status-info: #3B82F6;
    --status-info-bg: #1E40AF;
    
    --glass-bg: rgba(51, 65, 85, 0.85);
    --glass-border: rgba(71, 85, 105, 0.7);
    --app-bg-1: rgba(79, 70, 229, 0.15);
    --app-bg-2: rgba(16, 185, 129, 0.1);
}

/* Clean Minimal Theme */
[data-theme="clean-minimal"] {
    --brand-primary: #10B981;
    --brand-primary-hover: #059669;
    --brand-primary-light: #ECFDF5;
    --brand-text-on-primary: #FFFFFF;
    
    --bg-canvas: #FAFAFA;
    --bg-surface: #FFFFFF;
    --bg-surface-hover: #F9FAFB;
    
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --text-disabled: #9CA3AF;
    
    --border-neutral: #E5E7EB;
    --border-focus: var(--brand-primary);
    
    --status-success: #10B981;
    --status-success-bg: #ECFDF5;
    --status-warning: #F59E0B;
    --status-warning-bg: #FFFBEB;
    --status-danger: #EF4444;
    --status-danger-bg: #FEF2F2;
    --status-info: #3B82F6;
    --status-info-bg: #EFF6FF;
    
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(255, 255, 255, 0.8);
    --app-bg-1: rgba(16, 185, 129, 0.08);
    --app-bg-2: rgba(59, 130, 246, 0.06);
}

/* Dark Mode Theme */
[data-theme="dark-mode"] {
    --brand-primary: #6366F1;
    --brand-primary-hover: #4F46E5;
    --brand-primary-light: #1E1B4B;
    --brand-text-on-primary: #FFFFFF;
    
    --bg-canvas: #0F172A;
    --bg-surface: #1E293B;
    --bg-surface-hover: #334155;
    
    --text-primary: #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-disabled: #94A3B8;
    
    --border-neutral: #334155;
    --border-focus: var(--brand-primary);
    
    --status-success: #10B981;
    --status-success-bg: #065F46;
    --status-warning: #F59E0B;
    --status-warning-bg: #92400E;
    --status-danger: #EF4444;
    --status-danger-bg: #991B1B;
    --status-info: #3B82F6;
    --status-info-bg: #1E40AF;
    
    --glass-bg: rgba(30, 41, 59, 0.85);
    --glass-border: rgba(51, 65, 85, 0.7);
    --app-bg-1: rgba(99, 102, 241, 0.1);
    --app-bg-2: rgba(16, 185, 129, 0.05);
}

/* Luxury Theme */
[data-theme="luxury"] {
    --brand-primary: #D4AF37;
    --brand-primary-hover: #B8860B;
    --brand-primary-light: #FFF8E1;
    --brand-text-on-primary: #1A1A1A;
    
    --bg-canvas: #F8F5F0;
    --bg-surface: #FFFFFF;
    --bg-surface-hover: #F5F2ED;
    
    --text-primary: #3C2A1E;
    --text-secondary: #6B5A48;
    --text-disabled: #9E8D7A;
    
    --border-neutral: #E8E0D5;
    --border-focus: var(--brand-primary);
    
    --status-success: #8B4513;
    --status-success-bg: #FFF8E1;
    --status-warning: #D4AF37;
    --status-warning-bg: #FFF8E1;
    --status-danger: #8B0000;
    --status-danger-bg: #FFF0F0;
    --status-info: #4B0082;
    --status-info-bg: #F8F0FF;
    
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(255, 255, 255, 0.8);
    --app-bg-1: rgba(212, 175, 55, 0.08);
    --app-bg-2: rgba(60, 42, 30, 0.06);
    
    --gradient-primary: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-hover));
    --gradient-secondary: linear-gradient(135deg, #B8860B, #8B4513);
    --gradient-success: linear-gradient(135deg, #8B4513, #654321);
    --gradient-warning: linear-gradient(135deg, #D4AF37, #B8860B);
    --gradient-danger: linear-gradient(135deg, #8B0000, #600000);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-canvas);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    overscroll-behavior: none;
}

/* --- Smooth Animations --- */
.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

.slide-up {
    animation: slideUp 0.5s ease-out forwards;
}

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

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Loading Animations --- */
.loading-spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 2px solid rgba(74, 144, 226, 0.2);
    border-radius: 50%;
    border-top-color: var(--brand-primary);
    animation: spin 1s ease-in-out infinite;
}

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

/* --- Skeleton Loading --- */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--border-radius-md);
}

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

body.sidebar-open {
    overflow: hidden;
    touch-action: none;
}

/* --- Main Layout --- */
#app-layout {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: 100vh;
    height: 100vh;
    transition: all 0.3s;
    background: radial-gradient(900px 600px at 15% 0%, var(--app-bg-1), transparent 60%),
        radial-gradient(900px 700px at 90% 20%, var(--app-bg-2), transparent 55%),
        linear-gradient(180deg, #F7FAFF 0%, #F7F8FA 42%, #F5F7FA 100%);
}

#sidebar {
    background: var(--glass-bg);
    border-right: 1px solid rgba(226, 232, 240, 0.75);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-unit);
    z-index: 200;
    backdrop-filter: blur(12px);
    box-shadow: 0 20px 60px rgba(15, 35, 70, 0.10);
}

#sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    z-index: 150;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

#sidebar-backdrop.show {
    opacity: 1;
    pointer-events: auto;
}

#main-content-wrapper {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background: transparent;
    position: relative;
    min-height: 100vh;
}

#top-header {
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.75);
    border-bottom: 1px solid rgba(226, 232, 240, 0.70);
    display: flex;
    align-items: center;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}

.search-container {
    position: relative;
    width: 100%;
    max-width: 400px;
}

#global-search {
    width: 100%;
    padding: 10px 16px 10px 40px;
    border: 1px solid var(--border-neutral);
    border-radius: var(--border-radius-md);
    background-color: var(--bg-canvas);
    font-size: var(--font-size-base);
    transition: all 0.2s;
}

#global-search:focus {
    outline: none;
    border-color: var(--brand-primary);
    background-color: var(--bg-surface);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-style: normal;
}

#app-content {
    flex: 1;
    padding: calc(var(--spacing-unit) * 3);
    max-width: 1180px;
    width: 100%;
    margin: 0 auto;
}

#app-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border-neutral);
    background-color: var(--bg-surface);
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* --- Navigation --- */
.sidebar-header {
    padding: 16px;
    margin-bottom: 8px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.95), rgba(53, 122, 189, 0.95));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.95);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    box-shadow: 0 12px 28px rgba(74, 144, 226, 0.22);
}

.logo-text {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

#main-nav {
    flex-grow: 1;
    overflow-y: auto;
}

#main-nav ul {
    list-style: none;
}

#main-nav ul li a {
    display: flex;
    align-items: center;
    padding: 14px 18px;
    margin-bottom: 6px;
    border-radius: var(--border-radius-md);
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

#main-nav ul li a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

#main-nav ul li a:hover {
    background-color: rgba(99, 102, 241, 0.08);
    color: var(--text-primary);
    transform: translateX(8px);
}

#main-nav ul li a:hover::before {
    transform: scaleY(1);
}

#main-nav ul li a.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.16), rgba(99, 102, 241, 0.08));
    color: var(--text-primary);
    font-weight: 600;
    box-shadow: 0 10px 24px rgba(99, 102, 241, 0.14);
    transform: translateX(8px);
}

#main-nav ul li a.active::before {
    transform: scaleY(1);
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-neutral);
}

#user-menu {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
}

#loggedInUsername {
    font-weight: 600;
    color: var(--text-primary);
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* --- Page Components --- */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}

.page-title h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    letter-spacing: 0.01em;
}

.page-title p {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.card {
    background-color: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid var(--border-neutral);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.card:hover::before {
    transform: scaleX(1);
}

.stat-card {
    cursor: pointer;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #FFFFFF, #F9FAFB);
    border: 1px solid var(--border-neutral);
}

.stat-card:hover {
    border-color: var(--brand-primary);
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(99, 102, 241, 0.15);
}

.stat-card h3 {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.stat-card .amount {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-card .unit {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-left: 4px;
}

/* --- Tables --- */
.table-container {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--border-radius-md);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
    background-color: var(--bg-surface);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

 table th {
    background: linear-gradient(135deg, #F9FAFB, #F3F4F6);
    color: var(--text-secondary);
    font-weight: 600;
    text-align: left;
    padding: 14px 18px;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-neutral);
    position: sticky;
    top: 0;
    z-index: 10;
}

 table td {
    padding: 16px 18px;
    border-bottom: 1px solid var(--border-neutral);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

 tr:hover td {
    background-color: var(--bg-surface-hover);
    transform: translateX(4px);
}

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

.table-actions {
    display: flex;
    gap: 12px;
}

.table-actions a {
    color: var(--brand-primary);
    text-decoration: none;
    font-weight: 500;
}

.table-actions a:hover {
    text-decoration: underline;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: var(--font-size-sm);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background-color: white;
    border-color: var(--border-neutral);
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.btn-secondary:hover {
    background-color: var(--bg-canvas);
    border-color: var(--brand-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.btn-danger {
    background: var(--gradient-danger);
    color: white;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

/* --- Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: 9999px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
}

.badge-success { background-color: var(--status-success-bg); color: var(--status-success); border: 1px solid rgba(16, 185, 129, 0.2); }
.badge-warning { background-color: var(--status-warning-bg); color: var(--status-warning); border: 1px solid rgba(245, 158, 11, 0.2); }
.badge-danger { background-color: var(--status-danger-bg); color: var(--status-danger); border: 1px solid rgba(239, 68, 68, 0.2); }
.badge-info { background-color: var(--status-info-bg); color: var(--status-info); border: 1px solid rgba(59, 130, 246, 0.2); }
.badge-secondary { background-color: #F3F4F6; color: #4B5563; border: 1px solid rgba(156, 163, 175, 0.2); }

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

.form-group label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

input, select, textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-neutral);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    background-color: var(--bg-surface);
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
    transform: translateY(-1px);
}

input:hover, select:hover, textarea:hover {
    border-color: var(--brand-primary);
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.1);
}

.autocomplete {
    position: relative;
}

.autocomplete-list {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-top: 6px;
    background: var(--bg-surface);
    border: 1px solid var(--border-neutral);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 240px;
    overflow: auto;
    z-index: 2000;
}

.autocomplete-item {
    padding: 10px 12px;
    cursor: pointer;
}

.autocomplete-item:hover {
    background: var(--bg-surface-hover);
}

.autocomplete-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

.autocomplete-sub {
    margin-top: 2px;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

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

/* --- Modals --- */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(45, 55, 72, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-content {
    background-color: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 32px;
    position: relative;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease-out;
}

.modal-lg {
    max-width: 800px;
}

.close-button {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-disabled);
    line-height: 1;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-button:hover {
    color: var(--text-primary);
    background-color: var(--bg-surface-hover);
    transform: scale(1.1);
}

@keyframes slideIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* --- Dashboard Specific --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

/* --- Toast --- */
#toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-thumb {
    background: rgba(15, 35, 70, 0.18);
    border-radius: 9999px;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.35);
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-thumb {
    background: rgba(15, 35, 70, 0.18);
    border-radius: 9999px;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.35);
}

::-webkit-scrollbar-test {
    width: 11px;
}

/* Fix: ensure WebKit scrollbar styles apply (escape ':' to avoid selector corruption) */
\3A\3A-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

\3A\3A-webkit-scrollbar-thumb {
    background: rgba(15, 35, 70, 0.18);
    border-radius: 9999px;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

\3A\3A-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.35);
}

.toast {
    background-color: #2D3748;
    color: white;
    padding: 16px 24px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    margin-bottom: 12px;
    font-weight: 500;
    transform: translateX(120%);
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.toast.show {
    transform: translateX(0);
}

.toast.success { background-color: var(--status-success); }
.toast.error { background-color: var(--status-danger); }

/* --- Responsive Adjustments --- */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 200px;
    }
}

@media (max-width: 768px) {
    #menu-toggle {
        display: block !important;
    }
    
    #app-layout {
        grid-template-columns: 1fr;
    }

    #sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        bottom: 0;
        width: 240px;
        transition: left 0.3s;
    }

    #sidebar.open {
        left: 0;
    }

    #sidebar-backdrop {
        display: block !important;
    }

    #top-header {
        padding: 0 16px;
        padding-top: env(safe-area-inset-top);
    }

    #main-content-wrapper {
        padding-bottom: env(safe-area-inset-bottom);
    }

    .card {
        padding: 16px;
        border-radius: 14px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    table {
        min-width: 720px;
    }

    input, select, textarea {
        font-size: 16px;
    }

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

    .page-header {
        flex-direction: column;
        align-items: stretch;
    }

    .page-actions {
        overflow-x: auto;
        padding-bottom: 8px;
    }

    .modal-content {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    #app-content {
        padding: 16px;
    }

    .stat-card .amount {
        font-size: var(--font-size-xl);
    }

    .btn {
        padding: 10px 16px;
        font-size: var(--font-size-sm);
        min-height: 44px;
    }

    .btn-sm {
        min-height: 36px;
    }

    .modal {
        padding: 0;
        align-items: stretch;
    }

    .modal-content {
        max-height: 100vh;
        border-radius: 0;
        padding: 20px;
    }

    .close-button {
        top: 16px;
        right: 16px;
        font-size: 28px;
    }
}

/* Custom styles for finance grouping */
.driver-bill-group {
    background: white;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s;
}

.driver-bill-group:hover {
    box-shadow: var(--shadow-md);
}

.group-header {
    background: #F8FAFC !important;
}

.toggle-text {
    font-size: var(--font-size-sm);
}

.group-body {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
    .driver-bill-group {
        overflow: visible !important;
    }
}

/* Pagination */
#pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
}

#pagination button, #pagination span {
    padding: 8px 14px;
    border: 1px solid var(--border-neutral);
    border-radius: var(--border-radius-md);
    background: white;
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

#pagination span.current {
    background: var(--brand-primary);
    color: white;
    border-color: var(--brand-primary);
}

#pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#login-view {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: radial-gradient(1200px 800px at 20% 10%, rgba(74, 144, 226, 0.18), transparent 60%),
        radial-gradient(900px 700px at 90% 30%, rgba(56, 161, 105, 0.12), transparent 55%),
        linear-gradient(135deg, #0B1220 0%, #0F2346 55%, #0A1630 100%);
}

.login-shell {
    width: 100%;
    height: 100%;
}

.login-bg {
    width: 100%;
    height: 100%;
    position: relative;
}

.login-orb {
    position: absolute;
    border-radius: 9999px;
    filter: blur(40px);
    opacity: 0.85;
    animation: loginFloat 10s ease-in-out infinite;
}

.login-orb.orb-1 {
    width: 520px;
    height: 520px;
    left: -120px;
    top: -80px;
    background: rgba(74, 144, 226, 0.55);
}

.login-orb.orb-2 {
    width: 460px;
    height: 460px;
    right: -140px;
    top: 60px;
    background: rgba(49, 130, 206, 0.45);
    animation-delay: -3s;
}

.login-orb.orb-3 {
    width: 520px;
    height: 520px;
    right: 10%;
    bottom: -180px;
    background: rgba(56, 161, 105, 0.35);
    animation-delay: -6s;
}

@keyframes loginFloat {
    0% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(20px, -18px, 0) scale(1.03); }
    100% { transform: translate3d(0, 0, 0) scale(1); }
}

.login-grid {
    position: relative;
    z-index: 1;
    max-width: 1080px;
    margin: 0 auto;
    height: 100%;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
    padding: 48px 24px;
}

.login-brand {
    color: rgba(255, 255, 255, 0.92);
    padding: 12px 8px;
}

.login-mark {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    letter-spacing: 0.08em;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    margin-bottom: 18px;
}

.login-brand h1 {
    font-size: 34px;
    line-height: 1.15;
    margin-bottom: 10px;
    letter-spacing: 0.02em;
}

.login-brand p {
    font-size: 15px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.72);
    max-width: 520px;
}

.login-badges {
    display: flex;
    gap: 10px;
    margin-top: 18px;
    flex-wrap: wrap;
}

.login-badge {
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.10);
    color: rgba(255, 255, 255, 0.86);
    backdrop-filter: blur(10px);
}

.login-card {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 18px;
    padding: 28px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(14px);
    animation: loginPop 0.45s ease-out;
}

@keyframes loginPop {
    from { transform: translateY(12px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.login-card-header h2 {
    font-size: 22px;
    margin-bottom: 6px;
    color: #0B1220;
}

.login-card-header p {
    font-size: 13px;
    color: #5A687A;
    margin-bottom: 18px;
}

.login-form .form-group label {
    font-size: 13px;
}

.login-form input {
    background: rgba(255, 255, 255, 0.9);
}

.login-password-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.login-password-row input {
    flex: 1;
}

.login-icon-btn {
    min-width: 58px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border-neutral);
    background: white;
    font-size: 12px;
    font-weight: 700;
    color: var(--brand-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.login-icon-btn:hover {
    background: var(--brand-primary-light);
    border-color: rgba(74, 144, 226, 0.45);
}

.login-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 8px 0 18px;
    gap: 12px;
}

.login-check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #344055;
    user-select: none;
}

.login-check input {
    width: 16px;
    height: 16px;
}

#login-forgot {
    font-size: 13px;
    color: var(--brand-primary);
    text-decoration: none;
    font-weight: 600;
}

#login-forgot:hover {
    text-decoration: underline;
}

.login-submit {
    width: 100%;
    padding: 12px 18px;
    border-radius: 12px;
}

.login-card-footer {
    margin-top: 16px;
    text-align: center;
    font-size: 12px;
    color: #6B7A90;
}

@media (max-width: 900px) {
    .login-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 40px 18px;
    }

    .login-brand {
        text-align: center;
        padding: 0;
    }

    .login-brand p {
        margin: 0 auto;
    }
}

@media (max-width: 420px) {
    .login-card {
        padding: 22px 18px;
        border-radius: 16px;
    }
    .login-brand h1 {
        font-size: 26px;
    }
}