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0, .35);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .4);--shadow-glow: 0 0 30px rgba(127, 163, 196, .15);--shadow-card: 0 1px 3px rgba(0, 0, 0, .2), 0 1px 2px rgba(0, 0, 0, .15);--header-blur-bg: rgba(26, 24, 21, .88);--modal-overlay: rgba(20, 16, 10, .6);--scrollbar-thumb: #3e372d;--scrollbar-thumb-hover: #8a8277;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--sidebar-width: 260px;--header-height: 64px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease}[data-theme=light]{--bg-primary: #f6f1e8;--bg-secondary: #ffffff;--bg-card: #ffffff;--bg-card-hover: #f1ead9;--bg-input: #f9f5ec;--border-color: #e3d9c8;--border-active: #3d5a80;--text-primary: #1c1a17;--text-secondary: #4a443d;--text-muted: #7b7469;--accent-primary: #3d5a80;--accent-primary-hover: #2e4866;--accent-primary-subtle: rgba(61, 90, 128, .1);--accent-success: #4f7b5c;--accent-success-bg: rgba(79, 123, 92, .12);--accent-warning: #b8894a;--accent-warning-bg: rgba(184, 137, 74, .12);--accent-danger: #a04e4a;--accent-danger-bg: rgba(160, 78, 74, .1);--accent-info: #3d5a80;--accent-info-bg: rgba(61, 90, 128, .1);--gradient-primary: linear-gradient(135deg, #3d5a80, #5578a3);--gradient-success: linear-gradient(135deg, #4f7b5c, #3d6448);--gradient-danger: linear-gradient(135deg, #a04e4a, #83403c);--shadow-sm: 0 1px 2px rgba(60, 40, 20, .05);--shadow-md: 0 4px 12px rgba(60, 40, 20, .08);--shadow-lg: 0 10px 40px rgba(60, 40, 20, .1);--shadow-glow: 0 0 30px rgba(61, 90, 128, .1);--shadow-card: 0 1px 3px rgba(60, 40, 20, .06), 0 1px 2px rgba(60, 40, 20, .04);--header-blur-bg: rgba(246, 241, 232, .88);--modal-overlay: rgba(28, 26, 23, .4);--scrollbar-thumb: #d6ccb8;--scrollbar-thumb-hover: 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.65rem;border-radius:20px;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em}.badge-pending{background:var(--accent-warning-bg);color:var(--accent-warning)}.badge-paid{background:var(--accent-success-bg);color:var(--accent-success)}.badge-partial{background:var(--accent-info-bg);color:var(--accent-info)}.badge-debit{background:var(--accent-danger-bg);color:var(--accent-danger)}.badge-credit{background:var(--accent-success-bg);color:var(--accent-success)}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}.page-title{font-size:1.5rem;font-weight:700}.page-subtitle{color:var(--text-muted);font-size:.88rem;margin-top:2px}.empty-state{text-align:center;padding:3rem 1.5rem;color:var(--text-muted)}.empty-state .icon{font-size:3rem;margin-bottom:1rem;opacity:.5}.empty-state p{font-size:.95rem}.loading-shimmer{background:linear-gradient(90deg,var(--bg-card) 25%,var(--bg-card-hover) 50%,var(--bg-card) 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.5rem;min-width:90px;justify-content:center}.billing-period-month{font-size:1.05rem;font-weight:700;color:var(--text-primary)}.billing-period-year{font-size:.85rem;font-weight:500;color:var(--text-muted)}.billing-summary{display:flex;align-items:center;gap:0;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:.75rem 0;margin-bottom:1.25rem;box-shadow:var(--shadow-card)}.billing-summary-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px}.billing-summary-value{font-size:1.05rem;font-weight:700;color:var(--text-primary)}.billing-summary-label{font-size:.68rem;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em}.billing-summary-divider{width:1px;height:30px;background:var(--border-color);flex-shrink:0}.billing-card-view,.ledger-card-view,.expenses-card-view{display:none}.billing-card{background:var(--bg-card);border:1px solid 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var(--border-color);border-bottom:none!important}.billing-card-total span:first-child{font-weight:700;color:var(--text-primary)}.billing-card-total span:last-child{font-size:1.05rem;font-weight:800;color:var(--accent-primary)}.payment-card-amount{font-size:1.1rem;font-weight:800}.payment-card-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:.6rem;padding-bottom:.6rem;border-bottom:1px solid var(--border-color)}.payment-card-method{display:inline-flex;align-items:center;gap:4px;padding:.2rem .6rem;border-radius:20px;font-size:.72rem;font-weight:600;text-transform:capitalize}.payment-card-date{font-size:.78rem;color:var(--text-muted);font-weight:500}.header-left{display:flex;align-items:center;gap:12px}.hamburger-btn{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-card);cursor:pointer;color:var(--text-secondary);transition:all 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