/* ========================================
   Sugar Free - Professional Enterprise UI
   Modern Internal Tool Design System
   ======================================== */

/* CSS Custom Properties (Design Tokens) */
:root {
    /* Primary Colors - Sugar Free Black */
    --color-primary: #1d1d1d;
    --color-primary-light: #2d2d2d;
    --color-primary-dark: #111111;
    
    /* Accent Colors - Sugar Free Purple */
    --color-accent: #6633F2;
    --color-accent-light: #8B5CF6;
    --color-accent-dark: #5526d4;
    --color-accent-subtle: rgba(102, 51, 242, 0.1);
    
    /* Neutral Colors */
    --color-bg: #f0f4f8;
    --color-bg-dark: #e2e8f0;
    --color-surface: #ffffff;
    --color-surface-hover: #f8fafc;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    
    /* Text Colors */
    --color-text: #1e293b;
    --color-text-secondary: #64748b;
    --color-text-muted: #94a3b8;
    --color-text-inverse: #ffffff;
    
    /* Status Colors */
    --color-success: #10b981;
    --color-success-light: #d1fae5;
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;
    --color-danger: #ef4444;
    --color-danger-light: #fee2e2;
    --color-info: #3b82f6;
    --color-info-light: #dbeafe;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    background-color: var(--color-bg);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--color-text);
    line-height: 1.5;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%) !important;
    box-shadow: var(--shadow-lg);
    padding: 0;
    border-bottom: 1px solid rgba(0, 199, 183, 0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar > .container {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    max-width: 100%;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.brand-logo {
    font-family: 'Inter', sans-serif;
    font-size: 1.25rem !important;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: #ffffff !important;
    text-decoration: none !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-logo-icon {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    object-fit: contain;
    filter: invert(1) brightness(1.1);
}

.brand-logo-full {
    height: 32px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    margin-right: 0.5rem;
}

.navbar-nav {
    gap: 0.25rem;
}

.navbar-nav .nav-item {
    position: relative;
}

.navbar-nav .nav-link {
    padding: 0.5rem 0.875rem !important;
    color: rgba(255, 255, 255, 0.75) !important;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
}

.navbar-nav .nav-link:hover {
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.1);
}

.navbar-nav .nav-link.active {
    color: var(--color-accent) !important;
    background-color: rgba(0, 199, 183, 0.12);
}

@media (max-width: 991px) {
    .navbar-nav {
        gap: 0.125rem;
        padding-top: 0.5rem;
    }
    .navbar-nav .nav-link {
        padding: 0.6rem 1rem !important;
    }
}

/* ========================================
   Page Layout
   ======================================== */
.container.mt-4 {
    margin-top: 1.5rem !important;
    margin-bottom: 2rem;
    max-width: 1400px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page-title-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.25rem;
}

.page-subtitle {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ========================================
   Statistics Cards
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--stat-color, var(--color-accent)) 0%, transparent 100%);
}

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

.stat-card.accent {
    --stat-color: var(--color-accent);
}

.stat-card.warning {
    --stat-color: var(--color-warning);
}

.stat-card.danger {
    --stat-color: var(--color-danger);
}

.stat-card.success {
    --stat-color: var(--color-success);
}

.stat-card.info {
    --stat-color: var(--color-info);
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}

.stat-value.accent { color: var(--color-accent-dark); }
.stat-value.warning { color: var(--color-warning); }
.stat-value.danger { color: var(--color-danger); }
.stat-value.success { color: var(--color-success); }

.stat-detail {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
}

/* ========================================
   Search & Filters Bar
   ======================================== */
.filters-bar {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-xs);
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-input-wrapper {
    flex: 1;
    min-width: 200px;
    position: relative;
}

.search-input-wrapper::before {
    content: '🔍';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.875rem;
    opacity: 0.5;
}

.search-input-wrapper .form-control {
    padding-left: 2.5rem;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-label {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

/* ========================================
   Cards
   ======================================== */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: 1rem 1.25rem;
    font-weight: 600;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--color-border-light);
    background: var(--color-surface);
}

.card-header.bg-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%) !important;
    border-bottom: none;
    color: white;
}

.card-header.bg-success {
    background: linear-gradient(135deg, #059669 0%, var(--color-success) 100%) !important;
    border-bottom: none;
}

.card-header.bg-info {
    background: linear-gradient(135deg, #2563eb 0%, var(--color-info) 100%) !important;
    border-bottom: none;
}

.card-header.bg-orange {
    background: linear-gradient(135deg, #d97706 0%, var(--color-warning) 100%) !important;
    border-bottom: none;
}

.card-body {
    padding: 1.25rem;
}

.card-section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1rem;
    overflow: hidden;
}

.card-section-header {
    padding: 0.875rem 1.25rem;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-section-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-section-body {
    padding: 1rem 1.25rem;
}

/* ========================================
   Tables
   ======================================== */
.table-container {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table-responsive {
    background: transparent;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    overflow-x: auto;
    border: none;
    margin: 0;
}

.table {
    margin-bottom: 0;
    font-size: 0.875rem;
}

.table thead {
    background: var(--color-bg);
}

.table thead th {
    color: var(--color-text-secondary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.875rem 1rem;
    border: none;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.table-dark {
    --bs-table-bg: var(--color-bg);
    --bs-table-border-color: var(--color-border);
}

.table-dark th {
    color: var(--color-text-secondary) !important;
    background: var(--color-bg) !important;
}

.table tbody tr {
    transition: background-color var(--transition-fast);
    border-bottom: 1px solid var(--color-border-light);
}

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

.table tbody tr:hover {
    background-color: var(--color-surface-hover);
}

.table tbody td {
    padding: 0.875rem 1rem;
    vertical-align: middle;
    color: var(--color-text);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(0, 0, 0, 0.015);
}

.table-warning {
    --bs-table-bg: var(--color-warning-light) !important;
}

.table-secondary {
    --bs-table-bg: var(--color-bg);
}

/* Compact table for smaller screens */
@media (max-width: 1400px) {
    .table { font-size: 0.8125rem; }
    .table th, .table td { padding: 0.75rem 0.875rem; }
}

@media (max-width: 1200px) {
    .table { font-size: 0.8rem; }
    .table th, .table td { padding: 0.625rem 0.75rem; }
}

@media (max-width: 992px) {
    .table { font-size: 0.75rem; }
    .table th, .table td { padding: 0.5rem 0.625rem; white-space: nowrap; }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    font-weight: 500;
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-primary);
    box-shadow: 0 1px 2px rgba(0, 199, 183, 0.2);
}

.btn-primary:hover {
    background: var(--color-accent-light);
    color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 199, 183, 0.25);
}

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

.btn-secondary:hover {
    background: var(--color-bg-dark);
    color: var(--color-text);
    border-color: var(--color-border);
}

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

.btn-success:hover {
    background: #059669;
    transform: translateY(-1px);
}

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

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

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

.btn-info:hover {
    background: #2563eb;
    color: white;
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    background: var(--color-bg);
    border-color: var(--color-accent);
    color: var(--color-accent-dark);
}

.btn-light.border {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border) !important;
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
    padding: 0.375rem 0.75rem;
}

.btn-light.border:hover {
    background-color: var(--color-bg);
    border-color: var(--color-accent) !important;
    color: var(--color-accent-dark);
}

.btn-sm {
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
}

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-orange {
    background: var(--color-warning);
    color: white;
    border: none;
}

.btn-orange:hover {
    background: #d97706;
    color: white;
    transform: translateY(-1px);
}

.bg-orange {
    background: linear-gradient(135deg, #d97706 0%, var(--color-warning) 100%) !important;
}

/* ========================================
   Forms
   ======================================== */
.form-control, .form-select {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.875rem;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    background-color: var(--color-surface);
    color: var(--color-text);
}

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

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

.form-label {
    font-weight: 500;
    font-size: 0.8125rem;
    color: var(--color-text);
    margin-bottom: 0.375rem;
}

.form-text {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.form-control-sm, .form-select-sm {
    padding: 0.375rem 2rem 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.form-check-input:checked {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px var(--color-accent-subtle);
    border-color: var(--color-accent);
}

/* ========================================
   Badges
   ======================================== */
.badge {
    font-weight: 500;
    font-size: 0.6875rem;
    padding: 0.35em 0.65em;
    border-radius: 50px;
    letter-spacing: 0.25px;
}

.bg-success { background-color: var(--color-success) !important; }
.bg-warning { background-color: var(--color-warning) !important; color: white !important; }
.bg-danger { background-color: var(--color-danger) !important; }
.bg-info { background-color: var(--color-info) !important; }
.bg-primary { background-color: var(--color-accent) !important; color: var(--color-primary) !important; }
.bg-secondary { background-color: var(--color-text-muted) !important; }

.badge-soft {
    font-weight: 600;
}

.badge-soft.success {
    background-color: var(--color-success-light);
    color: #065f46;
}

.badge-soft.warning {
    background-color: var(--color-warning-light);
    color: #92400e;
}

.badge-soft.danger {
    background-color: var(--color-danger-light);
    color: #991b1b;
}

.badge-soft.info {
    background-color: var(--color-info-light);
    color: #1e40af;
}

.partial-status-badge {
    font-size: 0.625rem !important;
    font-weight: 500;
    padding: 0.3em 0.5em;
    line-height: 1.2;
    max-width: 160px;
    display: inline-block;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

/* ========================================
   Alerts
   ======================================== */
.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    font-size: 0.875rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert-info {
    background-color: var(--color-info-light);
    color: #1e40af;
}

.alert-success {
    background-color: var(--color-success-light);
    color: #065f46;
}

.alert-warning {
    background-color: var(--color-warning-light);
    color: #92400e;
}

.alert-danger {
    background-color: var(--color-danger-light);
    color: #991b1b;
}

/* ========================================
   Modals
   ======================================== */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-border-light);
    background: var(--color-bg);
}

.modal-header.bg-primary,
.modal-header.bg-success,
.modal-header.bg-info,
.modal-header.bg-orange {
    border-bottom: none;
}

.modal-title {
    font-size: 1rem;
    font-weight: 600;
}

.modal-header .btn-close {
    opacity: 0.6;
}

.modal-header .btn-close:hover {
    opacity: 1;
}

.modal-header.bg-primary .btn-close,
.modal-header.bg-success .btn-close,
.modal-header.bg-info .btn-close,
.modal-header.bg-orange .btn-close {
    filter: invert(1);
}

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--color-border-light);
    background-color: var(--color-bg);
    gap: 0.5rem;
}

/* ========================================
   Empty States
   ======================================== */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--color-border);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    background: var(--color-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

.empty-state h4 {
    color: var(--color-text);
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--color-text-secondary);
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
}

/* ========================================
   Login Page
   ======================================== */
.login-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.login-title {
    font-family: 'Inter', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

/* ========================================
   Footer
   ======================================== */
.app-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border-light);
    padding: 1rem 0;
    margin-top: 2rem;
    text-align: center;
}

.app-footer p {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ========================================
   Action Buttons Row
   ======================================== */
.action-buttons {
    display: flex;
    gap: 0.375rem;
    flex-wrap: nowrap;
}

.action-buttons .btn {
    white-space: nowrap;
}

/* ========================================
   Utility Classes
   ======================================== */
.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }
.gap-4 { gap: 1.5rem !important; }

.text-accent { color: var(--color-accent-dark) !important; }
.text-muted { color: var(--color-text-muted) !important; }

.fw-semibold { font-weight: 600 !important; }

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

/* Amount formatting */
.amount-value {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

/* Management panel sections */
.management-section {
    margin-bottom: 1.5rem;
}

.management-section:last-child {
    margin-bottom: 0;
}

/* Status indicators */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 0.375rem;
}

.status-dot.active { background-color: var(--color-success); }
.status-dot.inactive { background-color: var(--color-text-muted); }
.status-dot.warning { background-color: var(--color-warning); }
.status-dot.danger { background-color: var(--color-danger); }

/* Selection styling */
::selection {
    background-color: var(--color-accent-subtle);
    color: var(--color-text);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* Quick info list */
.info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 0.875rem;
}

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

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

.info-list .value {
    font-weight: 500;
    color: var(--color-text);
}