:root {
    --bg-main: #0a0d14;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(31, 41, 55, 0.8);
    --bg-sidebar: #0e1320;
    --border: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(99, 102, 241, 0.5);
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.25);
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.12);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-subtle: #64748b;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-header {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border);
}

.logo-badge {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #6366f1, #a855f7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.logo-text h2 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
    background: linear-gradient(to right, #fff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text span {
    font-size: 11px;
    color: var(--text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.nav-links {
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
}

.nav-item:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
    color: #fff;
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.2), rgba(99, 102, 241, 0.05));
    border-left: 3px solid var(--primary);
}

.nav-icon {
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
}

.avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #312e81;
    color: #c7d2fe;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
}

.user-info .name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
}
.user-info .role {
    font-size: 11px;
    color: var(--text-subtle);
}

/* Main Area */
.main-wrapper {
    margin-left: 260px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: radial-gradient(circle at 20% 10%, rgba(99, 102, 241, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 80% 80%, rgba(168, 85, 247, 0.04) 0%, transparent 40%);
}

.topbar {
    height: 70px;
    padding: 0 32px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(10, 13, 20, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-left h1 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    padding: 6px 12px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 20px;
    color: var(--success);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.3); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

.btn {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #818cf8);
    color: #fff;
    box-shadow: 0 2px 10px var(--primary-glow);
}
.btn-primary:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.07);
    color: var(--text-main);
    border: 1px solid var(--border);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
}

.btn-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}
.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

/* Page Content */
.content-area {
    padding: 32px;
    flex: 1;
}

.page-tab {
    display: none;
    animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.page-tab.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Stat Cards Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.2s, border-color 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.15);
}

.stat-info .title {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 8px;
}

.stat-info .value {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.stat-info .sub {
    font-size: 12px;
    color: var(--success);
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.icon-blue { background: rgba(99, 102, 241, 0.15); color: #818cf8; }
.icon-green { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.icon-purple { background: rgba(168, 85, 247, 0.15); color: #c084fc; }
.icon-amber { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }

/* Cards & Tables */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    backdrop-filter: blur(12px);
    margin-bottom: 24px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-desc {
    font-size: 12px;
    color: var(--text-subtle);
    margin-top: 4px;
}

/* Custom Table */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th {
    text-align: left;
    padding: 12px 16px;
    color: var(--text-subtle);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-main);
    vertical-align: middle;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    display: inline-block;
}

.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-secondary { background: rgba(255, 255, 255, 0.08); color: var(--text-muted); }

/* Switch Toggle */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255, 255, 255, 0.15);
    transition: .3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary);
}

input:checked + .slider:before {
    transform: translateX(20px);
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 13px;
    font-family: inherit;
    transition: border-color 0.2s;
}

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

/* Search bar */
.search-box {
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0 12px;
    width: 280px;
}
.search-box input {
    border: none;
    background: transparent;
    padding: 8px 6px;
    color: #fff;
    font-size: 13px;
    width: 100%;
    outline: none;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay.active {
    display: flex;
}

.modal-dialog {
    background: #111827;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 480px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    animation: modalPop 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.modal-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
}
.modal-close {
    background: transparent;
    border: none;
    color: var(--text-subtle);
    font-size: 20px;
    cursor: pointer;
}
.modal-close:hover { color: #fff; }

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 2000;
}

.toast {
    padding: 12px 18px;
    background: #1e293b;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 13px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease;
}

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

/* Transaction Badges & Indicators */
.badge-deposit {
    color: #34d399;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.35);
}

.badge-refund {
    color: #fbbf24;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.35);
}

.badge-charge {
    color: #f87171;
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.35);
}

.badge-adjust {
    color: #c084fc;
    background: rgba(168, 85, 247, 0.15);
    border: 1px solid rgba(168, 85, 247, 0.35);
}

.amount-plus {
    color: #34d399;
    font-weight: 700;
    font-size: 14px;
}

.amount-minus {
    color: #f87171;
    font-weight: 700;
    font-size: 14px;
}

/* Filter Pills */
.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.filter-pill {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    user-select: none;
}

.filter-pill:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.2);
}

.filter-pill.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 2px 10px var(--primary-glow);
}

.filter-pill .pill-count {
    background: rgba(0, 0, 0, 0.3);
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 11px;
}

/* Chips in Modal */
.chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.chip-btn {
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    color: #cbd5e1;
    cursor: pointer;
    transition: all 0.15s ease;
}

.chip-btn:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary);
    color: #fff;
}

/* Type Toggle Buttons */
.type-toggle-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 14px;
}

.type-toggle-btn {
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    color: var(--text-muted);
    transition: all 0.2s ease;
}

.type-toggle-btn:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.2);
}

.type-toggle-btn.active.type-deposit {
    background: rgba(16, 185, 129, 0.2);
    border-color: #10b981;
    color: #34d399;
}

.type-toggle-btn.active.type-refund {
    background: rgba(245, 158, 11, 0.2);
    border-color: #f59e0b;
    color: #fbbf24;
}

.type-toggle-btn.active.type-deduct {
    background: rgba(239, 68, 68, 0.2);
    border-color: #ef4444;
    color: #f87171;
}

/* Balance Transition Display */
.balance-preview-box {
    background: rgba(15, 23, 42, 0.6);
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
}