/* ── APP SHELL ── */

.app-nav {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 32px;
  height: 60px;
  background: var(--bg-elevated);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  margin-right: 32px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 4px;
  flex: 1;
}

.nav-link {
  font-size: 0.9rem;
  color: var(--fg-muted);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover, .nav-link.active {
  color: var(--fg);
  background: rgba(255,255,255,0.06);
}

.nav-cta {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  padding: 6px 14px;
  border: 1px solid rgba(232,162,58,0.3);
  border-radius: 6px;
  transition: background 0.2s;
}

.nav-cta:hover { background: var(--accent-glow); }

.app-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 32px 80px;
}

/* ── PAGE HEADER ── */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.page-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--fg);
}

/* ── BUTTONS ── */

.btn-primary {
  background: var(--accent);
  color: #1a1a1a;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.2s;
}

.btn-primary:hover { opacity: 0.9; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary.btn-full { width: 100%; text-align: center; padding: 14px; font-size: 1rem; }
.btn-primary.btn-large { padding: 16px 40px; font-size: 1.05rem; }

.btn-secondary {
  background: transparent;
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 20px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: border-color 0.2s, color 0.2s;
}

.btn-secondary:hover { border-color: rgba(255,255,255,0.3); color: var(--fg); }

.btn-sm {
  font-size: 0.8rem;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  border: none;
  transition: opacity 0.2s;
}

.btn-sm:hover { opacity: 0.8; }
.btn-sm:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-send { background: var(--accent); color: #1a1a1a; }
.btn-paid { background: rgba(80,200,120,0.2); color: #50c878; border: 1px solid rgba(80,200,120,0.3); }
.btn-view { background: rgba(255,255,255,0.06); color: var(--fg-muted); border: 1px solid rgba(255,255,255,0.08); }

.btn-confirm {
  background: var(--accent);
  color: #1a1a1a;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-confirm:hover { opacity: 0.85; }

.btn-cancel {
  background: transparent;
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.btn-cancel:hover { border-color: rgba(255,80,80,0.4); color: #ff8080; }

.btn-invoice {
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  padding: 6px 14px;
  border: 1px solid rgba(232,162,58,0.3);
  border-radius: 6px;
  transition: background 0.2s;
}

.btn-invoice:hover { background: var(--accent-glow); }

.btn-add-line {
  background: transparent;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 8px 0;
  border: none;
  cursor: pointer;
  margin-top: 8px;
}

/* ── STATUS BADGES ── */

.status-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 100px;
  text-transform: uppercase;
}

.status-pending { background: rgba(232,162,58,0.15); color: var(--accent); border: 1px solid rgba(232,162,58,0.25); }
.status-confirmed { background: rgba(80,200,120,0.1); color: #50c878; border: 1px solid rgba(80,200,120,0.2); }
.status-cancelled { background: rgba(255,80,80,0.1); color: #ff8080; border: 1px solid rgba(255,80,80,0.2); }
.status-draft { background: rgba(255,255,255,0.06); color: var(--fg-muted); border: 1px solid rgba(255,255,255,0.1); }
.status-sent { background: rgba(100,160,255,0.1); color: #7aaeff; border: 1px solid rgba(100,160,255,0.2); }
.status-paid { background: rgba(80,200,120,0.1); color: #50c878; border: 1px solid rgba(80,200,120,0.2); }

/* ── STATS ROW ── */

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--bg-elevated);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px 28px;
}

.stat-val {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.stat-lbl {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ── DASHBOARD GRID ── */

.dash-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.dash-section {
  background: var(--bg-elevated);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px;
}

.dash-full { grid-column: 1 / -1; }

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

.section-header h2 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
}

.section-link {
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
}

/* ── BOOKING CARDS ── */

.booking-list { display: flex; flex-direction: column; gap: 12px; }

.booking-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 16px 20px;
  transition: border-color 0.2s;
}

.booking-card:hover { border-color: rgba(255,255,255,0.12); }
.booking-card.confirmed { border-color: rgba(80,200,120,0.15); }

.booking-info { flex: 1; min-width: 0; }

.booking-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--fg);
  margin-bottom: 4px;
}

.booking-meta {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 2px;
}

.booking-email { font-size: 0.8rem; color: var(--fg-muted); opacity: 0.7; }
.booking-notes { font-size: 0.82rem; color: var(--fg-muted); margin-top: 6px; font-style: italic; }

.booking-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }
.booking-right { display: flex; flex-direction: column; gap: 8px; align-items: flex-end; flex-shrink: 0; }

/* ── INVOICE TABLE ── */

.invoice-table {
  width: 100%;
  border-collapse: collapse;
}

.invoice-table th {
  text-align: left;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--fg-muted);
  text-transform: uppercase;
  padding: 0 12px 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.invoice-table td {
  padding: 14px 12px 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: top;
}

.inv-id { font-family: var(--font-display); font-weight: 600; color: var(--fg-muted); font-size: 0.9rem; }
.inv-customer { font-weight: 600; font-size: 0.9rem; color: var(--fg); }
.inv-email { font-size: 0.8rem; color: var(--fg-muted); }
.inv-amount { font-family: var(--font-display); font-weight: 600; color: var(--accent); }
.inv-date { font-size: 0.85rem; color: var(--fg-muted); }
.inv-actions { display: flex; gap: 6px; align-items: center; }

/* ── FILTER TABS ── */

.filter-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
}

.filter-tab {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg-muted);
  text-decoration: none;
  padding: 7px 16px;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: all 0.2s;
}

.filter-tab:hover { color: var(--fg); background: rgba(255,255,255,0.04); }
.filter-tab.active { color: var(--accent); border-color: rgba(232,162,58,0.3); background: var(--accent-glow); }

/* ── EMPTY STATE ── */

.empty-state {
  color: var(--fg-muted);
  font-size: 0.9rem;
  padding: 24px 0;
}

.empty-state.large { padding: 48px 0; text-align: center; font-size: 1rem; }
.empty-state a { color: var(--accent); text-decoration: none; }

/* ── FORMS ── */

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--fg-muted);
  text-transform: uppercase;
}

.required { color: var(--accent); }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s;
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group select {
  appearance: none;
  cursor: pointer;
}

.form-group textarea { resize: vertical; min-height: 80px; }

.form-error {
  background: rgba(255,80,80,0.1);
  border: 1px solid rgba(255,80,80,0.25);
  color: #ff8080;
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.form-success {
  background: rgba(80,200,120,0.1);
  border: 1px solid rgba(80,200,120,0.25);
  color: #50c878;
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}

/* ── BOOKING PAGE ── */

.booking-page { min-height: 100vh; }

.booking-wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.booking-header { margin-bottom: 40px; }

.booking-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
}

.booking-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}

.booking-sub {
  color: var(--fg-muted);
  font-size: 1rem;
}

.booking-form .form-group { margin-bottom: 0; }

.success-card {
  background: var(--bg-elevated);
  border: 1px solid rgba(80,200,120,0.2);
  border-radius: var(--radius);
  padding: 48px 40px;
  text-align: center;
}

.success-icon {
  width: 56px;
  height: 56px;
  background: rgba(80,200,120,0.15);
  border: 1px solid rgba(80,200,120,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #50c878;
  margin: 0 auto 20px;
}

.success-card h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}

.success-card p {
  color: var(--fg-muted);
  margin-bottom: 24px;
  line-height: 1.65;
}

/* ── INVOICE BUILDER ── */

.invoice-builder {
  max-width: 760px;
}

.form-section {
  background: var(--bg-elevated);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 20px;
}

.form-section-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--fg-muted);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.booking-ref {
  font-size: 0.82rem;
  color: var(--accent);
  margin-top: 10px;
  opacity: 0.8;
}

.line-item-row {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}

.line-item-row input {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.line-item-row input:focus { border-color: var(--accent); }

.totals-row { display: flex; gap: 40px; align-items: flex-start; }
.totals-summary { flex: 1; }

.total-line {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  color: var(--fg-muted);
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.total-final {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  border-bottom: none;
  padding-top: 12px;
}

.invoice-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 8px;
}

/* ── INVOICE DOCUMENT ── */

.invoice-page {
  min-height: 100vh;
  padding: 60px 24px 80px;
  background: var(--bg);
}

.invoice-doc {
  max-width: 680px;
  margin: 0 auto;
  background: var(--bg-elevated);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 48px 56px;
  position: relative;
}

.invoice-doc-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
}

.invoice-brand {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--fg);
}

.invoice-meta { text-align: right; }

.invoice-num {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 4px;
}

.invoice-date, .invoice-due {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 4px;
}

.invoice-to { margin-bottom: 40px; }

.invoice-to-label {
  font-size: 0.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--fg-muted);
  margin-bottom: 8px;
}

.invoice-to-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 2px;
}

.invoice-to-email { font-size: 0.9rem; color: var(--fg-muted); }

.invoice-items {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}

.invoice-items th {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--fg-muted);
  text-transform: uppercase;
  padding: 0 0 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  text-align: left;
}

.invoice-items td {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.9rem;
  color: var(--fg);
}

.col-desc { width: 50%; }
.col-qty { width: 15%; text-align: center; }
.col-price { width: 17%; text-align: right; }
.col-total { width: 18%; text-align: right; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.invoice-totals {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  margin-bottom: 32px;
  gap: 4px;
}

.invoice-total-row {
  display: flex;
  gap: 48px;
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.invoice-grand-total {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.invoice-notes {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 32px;
  padding: 16px;
  background: var(--bg-card);
  border-radius: 8px;
}

.invoice-pay-cta { text-align: center; }

.paid-stamp {
  position: absolute;
  top: 48px;
  right: 56px;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: rgba(80,200,120,0.3);
  border: 3px solid rgba(80,200,120,0.3);
  border-radius: 6px;
  padding: 4px 16px;
  letter-spacing: 4px;
  transform: rotate(-8deg);
  pointer-events: none;
}

/* ── RESPONSIVE ── */

@media (max-width: 768px) {
  .app-nav { padding: 0 16px; }
  .nav-links { display: none; }
  .app-main { padding: 24px 16px 60px; }

  .stats-row { grid-template-columns: 1fr; }
  .dash-grid { grid-template-columns: 1fr; }
  .dash-full { grid-column: 1; }

  .form-row { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }

  .invoice-doc { padding: 32px 24px; }
  .invoice-doc-header { flex-direction: column; gap: 16px; }
  .invoice-meta { text-align: left; }

  .totals-row { flex-direction: column; gap: 20px; }
  .invoice-actions { flex-direction: column; }
  .invoice-actions .btn-primary, .invoice-actions .btn-secondary { width: 100%; text-align: center; }

  .line-item-row { flex-wrap: wrap; }

  .invoice-table { display: block; overflow-x: auto; }
}