/* ============================================================
   Best Invoices — Frontend Invoice Page
   Dark theme: #0a1628 bg | #22d3ee cyan | #1e3a5f card
   ============================================================ */

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

:root {
  --bi-bg:        #0a1628;
  --bi-card:      #0f2040;
  --bi-card-2:    #1a3460;
  --bi-border:    #1e3a5f;
  --bi-cyan:      #22d3ee;
  --bi-cyan-dark: #0e9db6;
  --bi-text:      #e2e8f0;
  --bi-muted:     #94a3b8;
  --bi-success:   #10b981;
  --bi-warning:   #f59e0b;
  --bi-danger:    #ef4444;
  --bi-purple:    #8b5cf6;
  --bi-radius:    12px;
  --bi-font:      -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html { font-size: 16px; }

body.bi-invoice-page {
  background: var(--bi-bg);
  color: var(--bi-text);
  font-family: var(--bi-font);
  min-height: 100vh;
  line-height: 1.6;
  padding: 24px 16px 48px;
}

/* ── RTL ── */
body.bi-rtl { direction: rtl; }
body.bi-rtl .bi-col-amount { text-align: left; }

/* ── Layout ── */
.bi-wrap {
  max-width: 660px;
  margin: 0 auto;
}

/* ── Header ── */
.bi-header {
  text-align: center;
  padding: 24px 0 32px;
}
.bi-logo {
  max-height: 48px;
  max-width: 200px;
  object-fit: contain;
}
.bi-logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--bi-cyan);
  letter-spacing: 0.03em;
}

/* ── Card ── */
.bi-card {
  background: var(--bi-card);
  border: 1px solid var(--bi-border);
  border-radius: var(--bi-radius);
  overflow: hidden;
}

/* ── Card title row ── */
.bi-card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 28px 28px 0;
}
.bi-invoice-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--bi-text);
}

/* ── Status badge ── */
.bi-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.bi-badge--unpaid    { background: rgba(245,158,11,.15); color: var(--bi-warning); border: 1px solid rgba(245,158,11,.3); }
.bi-badge--paid      { background: rgba(16,185,129,.15); color: var(--bi-success); border: 1px solid rgba(16,185,129,.3); }
.bi-badge--cancelled { background: rgba(239,68,68,.12);  color: var(--bi-danger);  border: 1px solid rgba(239,68,68,.3); }
.bi-badge--refunded  { background: rgba(139,92,246,.15); color: var(--bi-purple);  border: 1px solid rgba(139,92,246,.3); }
.bi-badge--expired   { background: rgba(148,163,184,.1); color: var(--bi-muted);   border: 1px solid rgba(148,163,184,.2); }

/* ── Meta row (dates) ── */
.bi-meta-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  padding: 20px 28px 0;
}
.bi-meta-item { display: flex; flex-direction: column; gap: 2px; }
.bi-meta-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--bi-muted);
}
.bi-meta-value { font-size: 0.95rem; font-weight: 500; }
.bi-due-date.bi-overdue { color: var(--bi-danger); }

/* ── Section ── */
.bi-section { padding: 24px 28px 0; }
.bi-section:last-child { padding-bottom: 28px; }
.bi-section-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--bi-muted);
  margin-bottom: 10px;
}

/* ── Customer info ── */
.bi-customer-name { font-weight: 600; font-size: 1rem; }
.bi-customer-country { color: var(--bi-muted); font-size: 0.88rem; margin-top: 2px; }

/* ── Table ── */
.bi-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
}
.bi-table thead th {
  padding: 10px 12px;
  text-align: left;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--bi-muted);
  border-bottom: 1px solid var(--bi-border);
}
.bi-table tbody td {
  padding: 16px 12px;
  border-bottom: 1px solid var(--bi-border);
  color: var(--bi-text);
}
.bi-table tfoot td {
  padding: 14px 12px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--bi-cyan);
}
.bi-col-amount { text-align: right; white-space: nowrap; }
.bi-total-row td { background: rgba(34,211,238,.04); }

/* ── Paid info ── */
.bi-paid-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(16,185,129,.07);
  border: 1px solid rgba(16,185,129,.2);
  border-radius: 8px;
  padding: 20px 24px !important;
  margin: 0 16px;
}
.bi-paid-icon {
  width: 32px;
  height: 32px;
  color: var(--bi-success);
}
.bi-txn-id { font-size: 0.85rem; color: var(--bi-muted); }
.bi-txn-id code {
  background: rgba(255,255,255,.05);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
}

/* ── Payment methods ── */
.bi-method-list {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.bi-method-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bi-card-2);
  border: 1px solid var(--bi-border);
  border-radius: 8px;
  padding: 10px 16px;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.bi-method-item:has(input:checked) {
  border-color: var(--bi-cyan);
  background: rgba(34,211,238,.08);
}
.bi-method-item input[type="radio"] { display: none; }
.bi-method-label { font-size: 0.9rem; font-weight: 500; }

/* ── Buttons ── */
.bi-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 24px 28px 28px;
}
.bi-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 22px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity .15s, transform .1s;
  text-decoration: none;
  white-space: nowrap;
}
.bi-btn:active { transform: scale(.97); }
.bi-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.bi-btn--primary  { background: var(--bi-cyan); color: #0a1628; }
.bi-btn--primary:hover  { background: var(--bi-cyan-dark); }
.bi-btn--secondary { background: rgba(34,211,238,.12); color: var(--bi-cyan); border: 1px solid rgba(34,211,238,.3); }
.bi-btn--secondary:hover { background: rgba(34,211,238,.2); }
.bi-btn--ghost { background: rgba(255,255,255,.05); color: var(--bi-text); border: 1px solid var(--bi-border); }
.bi-btn--ghost:hover { background: rgba(255,255,255,.09); }
.bi-btn--danger { background: rgba(239,68,68,.1); color: var(--bi-danger); border: 1px solid rgba(239,68,68,.3); }
.bi-btn--danger:hover { background: rgba(239,68,68,.18); }

.bi-btn--loading { opacity: .6; pointer-events: none; }

/* ── Status notice (cancelled/expired) ── */
.bi-status-notice {
  text-align: center;
  padding: 24px 28px 28px !important;
  font-size: 1.05rem;
  color: var(--bi-muted);
}

/* ── Share Modal ── */
.bi-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s;
}
.bi-modal.is-open {
  pointer-events: all;
  opacity: 1;
}
.bi-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.7);
}
.bi-modal-box {
  position: relative;
  background: var(--bi-card);
  border: 1px solid var(--bi-border);
  border-radius: var(--bi-radius);
  padding: 32px;
  width: 90%;
  max-width: 420px;
  z-index: 1;
}
.bi-modal-box h2 { margin-bottom: 20px; font-size: 1.15rem; }
.bi-modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: none;
  border: none;
  color: var(--bi-muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
}
.bi-modal-close:hover { color: var(--bi-text); }

.bi-share-url-wrap {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}
.bi-share-url-input {
  flex: 1;
  background: var(--bi-bg);
  border: 1px solid var(--bi-border);
  border-radius: 6px;
  color: var(--bi-muted);
  padding: 9px 12px;
  font-size: 0.8rem;
  outline: none;
}
.bi-copy-btn { padding: 9px 16px; font-size: 0.85rem; }

.bi-share-channels {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.bi-share-channel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity .15s;
}
.bi-share-channel:hover { opacity: .85; }
.bi-share-channel--whatsapp { background: #25d366; color: #fff; }
.bi-share-channel svg { width: 18px; height: 18px; }

.bi-qr-wrap {
  text-align: center;
  min-height: 60px;
}

/* ── Responsive ── */
@media (max-width: 520px) {
  body.bi-invoice-page { padding: 12px 8px 40px; }
  .bi-card-title-row, .bi-section, .bi-meta-row, .bi-actions { padding-left: 18px; padding-right: 18px; }
  .bi-invoice-title { font-size: 1.1rem; }
  .bi-actions { gap: 8px; }
  .bi-btn { padding: 10px 16px; font-size: 0.85rem; }
  .bi-modal-box { padding: 24px 20px; }
}