/* McCarthypay Design System: "Refined Paper" */
/* Single CSS file. No preprocessors. No build step. */

@import url('https://fonts.googleapis.com/css2?family=Bodoni+Moda:ital,opsz,wght@0,6..96,400;0,6..96,600;0,6..96,700;1,6..96,400&family=Jost:wght@300;400;500;600;700&display=swap');

/* ============================================================
   CSS Custom Properties
   ============================================================ */
:root {
    --color-bg: #FAFAF9;
    --color-surface: #FFFFFF;
    --color-text-primary: #1C1917;
    --color-text-secondary: #57534E;
    --color-text-muted: #A8A29E;
    --color-accent: #CA8A04;
    --color-accent-hover: #A16207;
    --color-accent-light: #FEF3C7;
    --color-border: #E7E5E4;
    --color-success: #16A34A;
    --color-success-light: #DCFCE7;
    --color-error: #DC2626;
    --color-error-light: #FEE2E2;
    --font-heading: 'Bodoni Moda', Georgia, 'Times New Roman', serif;
    --font-body: 'Jost', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --shadow-sm: 0 1px 2px rgba(28, 25, 23, 0.05);
    --shadow-md: 0 2px 8px rgba(28, 25, 23, 0.08);
    --shadow-lg: 0 4px 16px rgba(28, 25, 23, 0.10);
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
    --sidebar-width: 200px;
    --topbar-height: 48px;
    --invoice-max-width: 720px;
}

/* ============================================================
   Reset + Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-body); font-weight: 400; color: var(--color-text-primary); background-color: var(--color-bg); line-height: 1.5; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-hover); text-decoration: underline; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

/* ============================================================
   Typography
   ============================================================ */
.heading-brand { font-family: var(--font-heading); font-weight: 700; font-size: 28px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-text-primary); line-height: 1.2; }
.heading-dealership { font-family: var(--font-heading); font-weight: 400; font-size: 20px; color: var(--color-text-primary); line-height: 1.3; }
.heading-section { font-family: var(--font-body); font-weight: 600; font-size: 14px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-secondary); line-height: 1.4; }
.text-body { font-family: var(--font-body); font-weight: 400; font-size: 20px; color: var(--color-text-primary); line-height: 1.5; }
.text-amount { font-family: var(--font-body); font-weight: 500; font-size: 22px; font-variant-numeric: tabular-nums; color: var(--color-text-primary); }
.text-total { font-family: var(--font-body); font-weight: 700; font-size: 36px; font-variant-numeric: tabular-nums; color: var(--color-text-primary); }
.text-discount-price { font-family: var(--font-body); font-weight: 600; font-size: 32px; font-variant-numeric: tabular-nums; color: var(--color-text-primary); }
.text-savings { font-family: var(--font-body); font-weight: 500; font-size: 20px; color: var(--color-success); }
.text-small { font-family: var(--font-body); font-weight: 300; font-size: 13px; color: var(--color-text-muted); line-height: 1.5; }
.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }

/* ============================================================
   Buttons
   ============================================================ */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-sm); padding: 10px 20px; font-family: var(--font-body); font-weight: 500; font-size: 15px; line-height: 1; border: 1px solid transparent; border-radius: var(--radius-md); cursor: pointer; transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast); white-space: nowrap; text-decoration: none; }
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
.btn-primary { background-color: var(--color-accent); color: #FFFFFF; border-color: var(--color-accent); }
.btn-primary:hover { background-color: var(--color-accent-hover); border-color: var(--color-accent-hover); text-decoration: none; color: #FFFFFF; }
.btn-primary:active { background-color: #854D0E; border-color: #854D0E; }
.btn-secondary { background-color: transparent; color: var(--color-text-secondary); border-color: var(--color-border); }
.btn-secondary:hover { background-color: var(--color-bg); border-color: var(--color-text-muted); color: var(--color-text-primary); text-decoration: none; }
.btn-secondary:active { background-color: var(--color-border); }
.btn-danger { background-color: var(--color-error); color: #FFFFFF; border-color: var(--color-error); }
.btn-danger:hover { background-color: #B91C1C; border-color: #B91C1C; text-decoration: none; color: #FFFFFF; }
.btn-danger:active { background-color: #991B1B; }
.btn-ghost { background-color: transparent; color: var(--color-text-secondary); border-color: transparent; padding: 8px 12px; }
.btn-ghost:hover { background-color: var(--color-bg); color: var(--color-text-primary); text-decoration: none; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 17px; }

/* ============================================================
   Cards
   ============================================================ */
.card { background-color: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: var(--space-lg); }
.card-header { display: flex; align-items: center; justify-content: space-between; padding-bottom: var(--space-md); margin-bottom: var(--space-md); border-bottom: 1px solid var(--color-border); }
.card-title { font-family: var(--font-body); font-weight: 600; font-size: 16px; color: var(--color-text-primary); }

/* ============================================================
   Form Controls
   ============================================================ */
.form-group { display: flex; flex-direction: column; gap: var(--space-xs); margin-bottom: var(--space-md); }
.form-label { font-family: var(--font-body); font-weight: 500; font-size: 14px; color: var(--color-text-secondary); }
.form-input { padding: 10px 12px; font-size: 15px; line-height: 1.4; color: var(--color-text-primary); background-color: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); transition: border-color var(--transition-fast), box-shadow var(--transition-fast); }
.form-input:hover { border-color: var(--color-text-muted); }
.form-input:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(202, 138, 4, 0.15); }
.form-input::placeholder { color: var(--color-text-muted); }
.form-input:disabled { background-color: var(--color-bg); color: var(--color-text-muted); cursor: not-allowed; }
.form-select { padding: 10px 36px 10px 12px; font-size: 15px; line-height: 1.4; color: var(--color-text-primary); background-color: var(--color-surface); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23A8A29E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; background-size: 16px; border: 1px solid var(--color-border); border-radius: var(--radius-md); appearance: none; cursor: pointer; transition: border-color var(--transition-fast), box-shadow var(--transition-fast); }
.form-select:hover { border-color: var(--color-text-muted); }
.form-select:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(202, 138, 4, 0.15); }

/* ============================================================
   Tables
   ============================================================ */
.table { width: 100%; border-collapse: collapse; }
.table th { font-family: var(--font-body); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted); text-align: left; padding: var(--space-sm) var(--space-md); border-bottom: 1px solid var(--color-border); white-space: nowrap; }
.table td { font-size: 14px; padding: 12px var(--space-md); border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.table tbody tr:hover { background-color: var(--color-bg); }
.table tbody tr:last-child td { border-bottom: none; }
.table .col-amount { text-align: right; font-variant-numeric: tabular-nums; font-weight: 500; }

/* ============================================================
   Badges / Status
   ============================================================ */
.badge { display: inline-flex; align-items: center; padding: 2px 8px; font-family: var(--font-body); font-weight: 500; font-size: 12px; line-height: 1.4; border-radius: 9999px; white-space: nowrap; }
.badge-pending { background-color: var(--color-accent-light); color: var(--color-accent-hover); }
.badge-completed { background-color: var(--color-success-light); color: var(--color-success); }
.badge-flagged { background-color: var(--color-error-light); color: var(--color-error); }
.badge-voided { background-color: var(--color-bg); color: var(--color-text-muted); }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.status-dot-connected { background-color: var(--color-success); }
.status-dot-disconnected { background-color: var(--color-error); }
.status-dot-pulse { animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
@media (prefers-reduced-motion: reduce) { .status-dot-pulse { animation: none; } }

/* ============================================================
   Invoice Layout
   ============================================================ */
.invoice { max-width: var(--invoice-max-width); margin: 0 auto; background-color: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-2xl) var(--space-xl); }
.invoice-header { text-align: center; padding-bottom: var(--space-lg); }
.invoice-header .heading-brand { margin-bottom: var(--space-xs); }
.invoice-header .heading-dealership { margin-bottom: var(--space-xs); }
.invoice-header .address { font-family: var(--font-body); font-weight: 300; font-size: 14px; color: var(--color-text-secondary); }
.invoice-divider { border: none; border-top: 1px dashed var(--color-border); margin: var(--space-lg) 0; }
.invoice-customer { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm) var(--space-xl); padding: 0; }
.invoice-customer dt { font-family: var(--font-body); font-weight: 400; font-size: 14px; color: var(--color-text-muted); }
.invoice-customer dd { font-family: var(--font-body); font-weight: 500; font-size: 18px; color: var(--color-text-primary); margin: 0; }
.invoice-line-items { width: 100%; border-collapse: collapse; margin: var(--space-md) 0; }
.invoice-line-items thead th { font-family: var(--font-body); font-weight: 600; font-size: 14px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-secondary); padding: var(--space-sm) 0; border-bottom: 1px solid var(--color-border); }
.invoice-line-items thead th:first-child { text-align: left; }
.invoice-line-items thead th:nth-child(2) { text-align: center; width: 60px; }
.invoice-line-items thead th:last-child { text-align: right; }
.invoice-line-items tbody td { font-family: var(--font-body); font-size: 20px; padding: 10px 0; vertical-align: baseline; border: none; }
.invoice-line-items tbody td:first-child { font-weight: 400; color: var(--color-text-primary); text-align: left; padding-right: var(--space-md); }
.invoice-line-items tbody td:nth-child(2) { font-weight: 400; color: var(--color-text-secondary); text-align: center; width: 60px; }
.invoice-line-items tbody td:last-child { font-weight: 500; font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.invoice-subtotals { display: flex; flex-direction: column; align-items: flex-end; gap: var(--space-xs); padding: var(--space-md) 0; }
.invoice-subtotal-row { display: flex; justify-content: flex-end; gap: var(--space-xl); font-family: var(--font-body); font-size: 16px; }
.invoice-subtotal-row .label { font-weight: 400; color: var(--color-text-secondary); text-align: right; min-width: 80px; }
.invoice-subtotal-row .amount { font-weight: 500; font-variant-numeric: tabular-nums; text-align: right; min-width: 100px; }
.invoice-total-divider { border: none; border-top: 2px solid var(--color-accent); margin: var(--space-md) 0; }
.invoice-total { display: flex; justify-content: flex-end; align-items: baseline; gap: var(--space-xl); padding: var(--space-md) 0; }
.invoice-total .label { font-family: var(--font-body); font-weight: 600; font-size: 18px; color: var(--color-text-secondary); }
.invoice-total .amount { font-family: var(--font-body); font-weight: 700; font-size: 36px; font-variant-numeric: tabular-nums; color: var(--color-text-primary); }
.invoice-discount-box { background-color: var(--color-accent-light); border: 1px solid #FDE68A; border-radius: var(--radius-lg); padding: var(--space-lg); margin: var(--space-lg) 0; }
.invoice-discount-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: var(--space-sm); }
.invoice-discount-row:last-child { margin-bottom: 0; }
.invoice-discount-row .label { font-family: var(--font-body); font-weight: 500; font-size: 18px; color: var(--color-text-primary); }
.invoice-discount-row .price { font-family: var(--font-body); font-weight: 600; font-size: 32px; font-variant-numeric: tabular-nums; color: var(--color-text-primary); }
.invoice-discount-row .savings { font-family: var(--font-body); font-weight: 500; font-size: 20px; color: var(--color-success); }
.invoice-disclaimer { font-family: var(--font-body); font-weight: 300; font-size: 13px; color: var(--color-text-muted); text-align: center; line-height: 1.5; padding: var(--space-md) 0 var(--space-lg); }
.invoice-actions { display: flex; justify-content: center; gap: var(--space-md); padding-top: var(--space-md); border-top: 1px solid var(--color-border); }

/* ============================================================
   PWA Layout
   ============================================================ */
.topbar { position: fixed; top: 0; left: 0; right: 0; height: var(--topbar-height); background-color: var(--color-surface); border-bottom: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; padding: 0 var(--space-md); z-index: 100; }
.topbar-left { display: flex; align-items: center; gap: var(--space-sm); font-family: var(--font-body); font-weight: 500; font-size: 14px; color: var(--color-text-primary); }
.topbar-right { display: flex; align-items: center; gap: var(--space-sm); font-family: var(--font-body); font-size: 13px; color: var(--color-text-secondary); }
.sidebar { position: fixed; top: var(--topbar-height); left: 0; bottom: 0; width: var(--sidebar-width); background-color: var(--color-surface); border-right: 1px solid var(--color-border); overflow-y: auto; z-index: 90; }
.sidebar-header { padding: var(--space-md); font-family: var(--font-body); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); }
.sidebar-item { display: flex; flex-direction: column; padding: 10px var(--space-md); cursor: pointer; border-left: 3px solid transparent; transition: background-color var(--transition-fast), border-color var(--transition-fast); }
.sidebar-item:hover { background-color: var(--color-bg); }
.sidebar-item.active { border-left-color: var(--color-accent); background-color: var(--color-bg); }
.sidebar-item-ro { font-family: var(--font-body); font-weight: 500; font-size: 14px; color: var(--color-text-primary); }
.sidebar-item-name { font-family: var(--font-body); font-weight: 400; font-size: 13px; color: var(--color-text-secondary); }
.sidebar-item-time { font-family: var(--font-body); font-weight: 400; font-size: 12px; color: var(--color-text-muted); }
.main { margin-left: var(--sidebar-width); margin-top: var(--topbar-height); min-height: calc(100vh - var(--topbar-height)); padding: var(--space-xl); display: flex; flex-direction: column; align-items: center; }
.idle-state { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: calc(100vh - var(--topbar-height) - var(--space-xl) * 2); gap: var(--space-md); text-align: center; }
.idle-state .heading-brand { font-size: 24px; color: var(--color-text-muted); }
.idle-state .waiting-text { font-family: var(--font-body); font-weight: 400; font-size: 16px; color: var(--color-text-muted); display: flex; align-items: center; gap: var(--space-sm); }
.idle-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background-color: var(--color-text-muted); animation: pulse 2s ease-in-out infinite; }
.connection-banner { position: fixed; top: var(--topbar-height); left: var(--sidebar-width); right: 0; background-color: var(--color-error); color: #FFFFFF; text-align: center; padding: var(--space-sm) var(--space-md); font-family: var(--font-body); font-weight: 500; font-size: 14px; z-index: 80; display: none; }
.connection-banner.visible { display: block; }

/* ============================================================
   Payment Selector
   ============================================================ */
.payment-selector { display: flex; gap: var(--space-sm); justify-content: center; margin: var(--space-lg) 0; }
.payment-option { display: flex; flex-direction: column; align-items: center; gap: var(--space-xs); padding: 12px 20px; border: 2px solid var(--color-border); border-radius: var(--radius-lg); cursor: pointer; transition: border-color var(--transition-fast), background-color var(--transition-fast); min-width: 90px; }
.payment-option:hover { border-color: var(--color-text-muted); background-color: var(--color-bg); }
.payment-option.selected { border-color: var(--color-accent); background-color: var(--color-accent-light); }
.payment-option-label { font-family: var(--font-body); font-weight: 500; font-size: 14px; color: var(--color-text-primary); }
.payment-option-icon { width: 24px; height: 24px; color: var(--color-text-secondary); }
.payment-option.selected .payment-option-icon { color: var(--color-accent); }

/* ============================================================
   SMS Panel
   ============================================================ */
.sms-panel { display: none; flex-direction: column; gap: var(--space-sm); padding: var(--space-md); background-color: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-lg); margin: var(--space-md) 0; max-width: 400px; margin-left: auto; margin-right: auto; }
.sms-panel.visible { display: flex; }
.sms-panel-header { font-family: var(--font-body); font-weight: 500; font-size: 15px; color: var(--color-text-primary); }
.sms-panel-row { display: flex; gap: var(--space-sm); align-items: center; }
.sms-panel-row .form-input { flex: 1; }

/* ============================================================
   First-Run Overlay
   ============================================================ */
.first-run-overlay { position: fixed; inset: 0; background-color: rgba(28, 25, 23, 0.5); display: flex; align-items: center; justify-content: center; z-index: 200; }
.first-run-card { background-color: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: var(--space-xl); width: 100%; max-width: 400px; text-align: center; }
.first-run-card .heading-brand { font-size: 22px; margin-bottom: var(--space-lg); }
.first-run-card .form-group { text-align: left; }
.first-run-card .btn-primary { width: 100%; margin-top: var(--space-md); }

/* ============================================================
   Admin Layout
   ============================================================ */
.admin-sidebar { position: fixed; top: 0; left: 0; bottom: 0; width: 220px; background-color: var(--color-surface); border-right: 1px solid var(--color-border); padding-top: var(--space-lg); z-index: 100; }
.admin-sidebar-brand { padding: 0 var(--space-lg) var(--space-lg); border-bottom: 1px solid var(--color-border); margin-bottom: var(--space-md); }
.admin-sidebar-brand .heading-brand { font-size: 16px; letter-spacing: 0.08em; }
.admin-sidebar-nav { list-style: none; }
.admin-sidebar-link { display: flex; align-items: center; gap: var(--space-sm); padding: 10px var(--space-lg); font-family: var(--font-body); font-weight: 400; font-size: 15px; color: var(--color-text-secondary); text-decoration: none; transition: background-color var(--transition-fast), color var(--transition-fast); }
.admin-sidebar-link:hover { background-color: var(--color-bg); color: var(--color-text-primary); text-decoration: none; }
.admin-sidebar-link.active { background-color: var(--color-bg); color: var(--color-text-primary); font-weight: 500; border-left: 3px solid var(--color-accent); padding-left: calc(var(--space-lg) - 3px); }
.admin-sidebar-link svg { width: 18px; height: 18px; flex-shrink: 0; }
.admin-sidebar-badge { margin-left: auto; background-color: var(--color-error); color: #FFFFFF; font-size: 11px; font-weight: 600; padding: 1px 6px; border-radius: 9999px; min-width: 18px; text-align: center; }
.admin-main { margin-left: 220px; padding: var(--space-xl); min-height: 100vh; }
.admin-page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-xl); }
.admin-page-title { font-family: var(--font-body); font-weight: 600; font-size: 22px; color: var(--color-text-primary); }
.dashboard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.store-card { background-color: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-lg); }
.store-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-md); }
.store-card-name { font-family: var(--font-body); font-weight: 600; font-size: 16px; color: var(--color-text-primary); }
.store-card-stats { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); margin-bottom: var(--space-md); }
.store-stat { display: flex; flex-direction: column; }
.store-stat-value { font-family: var(--font-body); font-weight: 600; font-size: 20px; font-variant-numeric: tabular-nums; color: var(--color-text-primary); }
.store-stat-label { font-family: var(--font-body); font-weight: 400; font-size: 12px; color: var(--color-text-muted); }
.store-card-stations { display: flex; gap: var(--space-sm); flex-wrap: wrap; }
.station-indicator { display: flex; align-items: center; gap: 4px; font-family: var(--font-body); font-size: 12px; color: var(--color-text-secondary); }
.filter-bar { display: flex; flex-wrap: wrap; gap: var(--space-sm); align-items: flex-end; padding: var(--space-md); background-color: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); margin-bottom: var(--space-lg); }
.filter-bar .form-group { margin-bottom: 0; min-width: 140px; }
.filter-bar .form-input, .filter-bar .form-select { padding: 8px 10px; font-size: 14px; }
.filter-bar .btn { align-self: flex-end; }

/* ============================================================
   Login
   ============================================================ */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background-color: var(--color-bg); }
.login-card { background-color: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-2xl); width: 100%; max-width: 380px; text-align: center; }
.login-card .heading-brand { font-size: 20px; margin-bottom: var(--space-xs); }
.login-card .heading-dealership { font-size: 14px; color: var(--color-text-muted); margin-bottom: var(--space-xl); }
.login-card .form-group { text-align: left; }
.login-card .btn-primary { width: 100%; margin-top: var(--space-sm); }
.login-error { background-color: var(--color-error-light); color: var(--color-error); font-size: 14px; padding: var(--space-sm) var(--space-md); border-radius: var(--radius-md); margin-bottom: var(--space-md); }

/* ============================================================
   Flagged Invoice Cards
   ============================================================ */
.flagged-card { background-color: var(--color-surface); border: 1px solid var(--color-border); border-left: 4px solid var(--color-error); border-radius: var(--radius-lg); padding: var(--space-lg); margin-bottom: var(--space-md); }
.flagged-card-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: var(--space-md); }
.flagged-card-meta { font-family: var(--font-body); font-size: 14px; color: var(--color-text-secondary); }
.flagged-card-reason { font-family: var(--font-body); font-weight: 500; font-size: 15px; color: var(--color-error); padding: var(--space-sm) var(--space-md); background-color: var(--color-error-light); border-radius: var(--radius-md); margin-bottom: var(--space-md); }
.flagged-card-actions { display: flex; gap: var(--space-sm); }

/* ============================================================
   Flash Messages
   ============================================================ */
.flash-container { position: fixed; top: var(--space-lg); right: var(--space-lg); z-index: 300; display: flex; flex-direction: column; gap: var(--space-sm); }
.flash-message { padding: 12px var(--space-md); border-radius: var(--radius-md); font-family: var(--font-body); font-size: 14px; font-weight: 500; box-shadow: var(--shadow-md); animation: flash-in var(--transition-slow) ease; }
.flash-success { background-color: var(--color-success-light); color: var(--color-success); border: 1px solid var(--color-success); }
.flash-error { background-color: var(--color-error-light); color: var(--color-error); border: 1px solid var(--color-error); }
@keyframes flash-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { @keyframes flash-in { from { opacity: 0; } to { opacity: 1; } } }

/* ============================================================
   Print Styles
   ============================================================ */
@media print {
    .topbar, .sidebar, .connection-banner, .invoice-actions, .payment-selector, .sms-panel, .flash-container { display: none !important; }
    .main { margin: 0; padding: 0; }
    body { background-color: #FFFFFF; }
    .invoice { border: none; box-shadow: none; border-radius: 0; padding: 0; max-width: 100%; }
    .heading-brand { font-size: 24px; }
    .invoice-line-items tbody td { font-size: 16px; padding: 6px 0; }
    .text-total { font-size: 28px; }
    .text-discount-price { font-size: 24px; }
    .invoice-discount-box { border: 2px solid #CA8A04; background-color: #FFFFFF; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .invoice-disclaimer { font-size: 11px; }
    @page { size: letter; margin: 0.75in; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) { .dashboard-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main { margin-left: 0; }
    .connection-banner { left: 0; }
    .admin-sidebar { display: none; }
    .admin-main { margin-left: 0; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .invoice { padding: var(--space-lg) var(--space-md); border-radius: 0; border-left: none; border-right: none; }
    .invoice-customer { grid-template-columns: 1fr; }
    .filter-bar { flex-direction: column; }
}
@media (max-width: 480px) {
    :root { --space-xl: 24px; --space-2xl: 32px; }
    .heading-brand { font-size: 22px; }
    .invoice-line-items tbody td { font-size: 16px; }
    .text-total { font-size: 28px; }
    .text-discount-price { font-size: 24px; }
    .payment-selector { flex-wrap: wrap; }
    .payment-option { min-width: 70px; padding: 10px 14px; }
}

/* ============================================================
   Guide Page
   ============================================================ */
.guide-toc {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-xl);
    margin-bottom: var(--space-2xl);
    box-shadow: var(--shadow-sm);
}
.guide-toc-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 20px;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}
.guide-toc-list {
    list-style: none;
    counter-reset: toc;
    padding: 0;
    margin: 0;
    columns: 2;
    column-gap: var(--space-xl);
}
.guide-toc-list li {
    counter-increment: toc;
    padding: 6px 0;
    break-inside: avoid;
}
.guide-toc-list li a {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 15px;
    color: var(--color-text-secondary);
    text-decoration: none;
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    transition: color var(--transition-fast);
}
.guide-toc-list li a::before {
    content: counter(toc) ".";
    font-weight: 600;
    color: var(--color-accent);
    min-width: 20px;
}
.guide-toc-list li a:hover {
    color: var(--color-accent-hover);
    text-decoration: none;
}

.guide-section {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    scroll-margin-top: var(--space-lg);
}
.guide-section-heading {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 22px;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
}
.guide-section-number {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 14px;
    color: var(--color-accent);
    background-color: var(--color-accent-light);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.guide-section-body {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text-primary);
}
.guide-section-body p {
    margin-bottom: var(--space-md);
}
.guide-section-body p:last-child {
    margin-bottom: 0;
}
.guide-section-body ul {
    margin: var(--space-sm) 0 var(--space-md) var(--space-lg);
    padding: 0;
}
.guide-section-body ul li {
    margin-bottom: var(--space-xs);
}
.guide-section-body code {
    font-family: 'SF Mono', 'Fira Code', 'Fira Mono', Menlo, Consolas, monospace;
    font-size: 13px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 2px 6px;
    color: var(--color-text-primary);
}

.guide-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin: var(--space-md) 0;
}
.guide-step {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}
.guide-step-number {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 14px;
    color: var(--color-accent);
    background-color: var(--color-accent-light);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}
.guide-step-content {
    flex: 1;
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-primary);
}
.guide-step-content strong {
    display: block;
    font-weight: 600;
    margin-bottom: 2px;
}
.guide-step-content p {
    margin: 4px 0 0 0;
    color: var(--color-text-secondary);
}
.guide-step-content ul {
    margin: var(--space-sm) 0 0 var(--space-lg);
}

.guide-note {
    background-color: var(--color-accent-light);
    border: 1px solid #FDE68A;
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    margin: var(--space-lg) 0;
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text-primary);
}
.guide-note:last-child {
    margin-bottom: 0;
}
.guide-note-warning {
    border-left: 4px solid var(--color-accent);
}
.guide-note strong {
    color: var(--color-accent-hover);
}

.guide-code {
    font-family: 'SF Mono', 'Fira Code', 'Fira Mono', Menlo, Consolas, monospace;
    font-size: 13px;
    background-color: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    margin-top: var(--space-sm);
    display: block;
    overflow-x: auto;
    white-space: pre;
    color: var(--color-text-primary);
}

.guide-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin: var(--space-xl) 0;
    flex-wrap: wrap;
}
.guide-flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    min-width: 130px;
    text-align: center;
}
.guide-flow-icon {
    color: var(--color-accent);
}
.guide-flow-label {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.3;
}
.guide-flow-arrow {
    flex-shrink: 0;
}

.guide-table-wrapper {
    overflow-x: auto;
    margin: var(--space-md) 0;
}
.guide-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-body);
    font-size: 14px;
}
.guide-table thead th {
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    text-align: left;
    padding: var(--space-sm) var(--space-md);
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
}
.guide-table tbody td {
    padding: 12px var(--space-md);
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
    line-height: 1.5;
    color: var(--color-text-primary);
}
.guide-table tbody td:first-child {
    font-weight: 500;
    white-space: nowrap;
    min-width: 200px;
    color: var(--color-text-primary);
}
.guide-table tbody tr:hover {
    background-color: var(--color-bg);
}
.guide-table tbody tr:last-child td {
    border-bottom: none;
}

.guide-dashboard-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-md);
}
.guide-dashboard-item {
    padding: var(--space-md) var(--space-lg);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}
.guide-dashboard-item-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xs);
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--color-text-primary);
}
.guide-dashboard-item p {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0;
}

.guide-download-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
    padding: var(--space-xl);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}
.guide-download-info {
    flex: 1;
}
.guide-download-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 18px;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}
.guide-download-meta {
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}
.guide-download-info p:last-child {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 0;
}
.guide-download-btn {
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .guide-toc-list { columns: 1; }
    .guide-flow { flex-direction: column; }
    .guide-flow-arrow { transform: rotate(90deg); }
    .guide-download-card { flex-direction: column; align-items: flex-start; }
    .guide-table tbody td:first-child { white-space: normal; min-width: 120px; }
}

/* ============================================================
   Utilities
   ============================================================ */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.hidden { display: none !important; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }