/* ============================================================
   WIFI PORTAL — ADMIN STYLES
   Design: deep navy sidebar feel, crisp whites, blue accent
   ============================================================ */

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

:root {
  --blue:       #007cc3;
  --blue-dark:  #006aaa;
  --blue-light: #e8f4fb;
  --green:      #16a34a;
  --red:        #dc2626;
  --amber:      #d97706;

  --slate-50:   #f8fafc;
  --slate-100:  #f1f5f9;
  --slate-200:  #e2e8f0;
  --slate-300:  #cbd5e1;
  --slate-400:  #94a3b8;
  --slate-500:  #64748b;
  --slate-600:  #475569;
  --slate-700:  #334155;
  --slate-800:  #1e293b;
  --slate-900:  #0f172a;

  --radius-sm:  6px;
  --radius:     10px;
  --radius-lg:  14px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
  --shadow:     0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.12);
}

html { font-size: 16px; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--slate-50);
  color: var(--slate-800);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Site Header ─────────────────────────────────────────────────────────────── */

.site-header {
  background: var(--slate-900);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.logo:hover { text-decoration: none; }

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

.nav-link {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  color: var(--slate-400);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover        { color: #fff; background: rgba(255,255,255,0.07); text-decoration: none; }
.nav-link.active       { color: #fff; background: rgba(255,255,255,0.1); }

.header-user {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.user-name { color: var(--slate-300); font-size: 0.825rem; }

.role-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.role-master_admin  { background: #fef3c7; color: #92400e; }
.role-venue_owner   { background: var(--blue-light); color: var(--blue-dark); }
.role-venue_manager { background: #f0fdf4; color: #15803d; }

.btn-link {
  background: none;
  border: none;
  color: var(--slate-400);
  font-size: 0.825rem;
  font-family: inherit;
  cursor: pointer;
  padding: 0;
  transition: color 0.15s;
}

.btn-link:hover { color: #fff; }

/* ── Page layout ─────────────────────────────────────────────────────────────── */

.page-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--slate-900);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.page-sub {
  color: var(--slate-500);
  font-size: 0.875rem;
  margin-top: 2px;
}

/* ── Buttons ─────────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.15s, opacity 0.15s, transform 0.1s;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}

.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.98); }

.btn-primary  { background: var(--blue);  color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }

.btn-secondary { background: #fff; color: var(--slate-700); border: 1.5px solid var(--slate-200); }
.btn-secondary:hover { background: var(--slate-50); border-color: var(--slate-300); }

.btn-danger    { background: #fef2f2; color: var(--red); border: 1.5px solid #fecaca; }
.btn-danger:hover { background: #fee2e2; }

.btn-full  { width: 100%; }
.btn-sm    { padding: 6px 12px; font-size: 0.8rem; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ── Stats grid ──────────────────────────────────────────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s;
}

.stat-card:hover { box-shadow: var(--shadow); }
.stat-card.loading .stat-value { color: var(--slate-200); }

.stat-label { font-size: 0.78rem; font-weight: 600; color: var(--slate-500); text-transform: uppercase; letter-spacing: 0.04em; }
.stat-value { font-size: 1.875rem; font-weight: 700; color: var(--slate-900); letter-spacing: -0.03em; line-height: 1; }

/* ── Sections ────────────────────────────────────────────────────────────────── */

.section { margin-bottom: 40px; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--slate-800);
  letter-spacing: -0.01em;
}

/* ── Venue cards ─────────────────────────────────────────────────────────────── */

.venues-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.venue-card {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 20px;
  display: block;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
  box-shadow: var(--shadow-sm);
}

.venue-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow);
  text-decoration: none;
  transform: translateY(-1px);
}

.venue-card-top { display: flex; justify-content: flex-end; margin-bottom: 10px; }

.venue-status {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.venue-status.active   { background: #f0fdf4; color: var(--green); }
.venue-status.inactive { background: #fef2f2; color: var(--red); }

.venue-name    { font-size: 1rem; font-weight: 700; color: var(--slate-900); margin-bottom: 4px; }
.venue-address { font-size: 0.82rem; color: var(--slate-500); margin-bottom: 12px; }
.venue-meta    { font-size: 0.75rem; color: var(--slate-400); font-family: 'SF Mono', 'Fira Code', monospace; }

/* ── Skeleton loading ────────────────────────────────────────────────────────── */

.skeleton-card {
  background: var(--slate-100);
  border-radius: var(--radius);
  height: 130px;
  animation: pulse 1.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

/* ── Empty state ─────────────────────────────────────────────────────────────── */

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 20px;
  color: var(--slate-500);
}

.empty-state p { margin-bottom: 16px; font-size: 0.9rem; }

/* ── Auth pages ──────────────────────────────────────────────────────────────── */

.auth-page { background: var(--slate-100); min-height: 100dvh; display: flex; align-items: center; justify-content: center; padding: 20px; }

.auth-wrap { width: 100%; max-width: 420px; }

.auth-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--slate-200);
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--slate-900);
  margin-bottom: 28px;
}

.auth-heading { font-size: 1.4rem; font-weight: 700; color: var(--slate-900); letter-spacing: -0.02em; margin-bottom: 6px; }
.auth-sub     { color: var(--slate-500); font-size: 0.875rem; margin-bottom: 24px; }

.auth-form { display: flex; flex-direction: column; gap: 0; }

.field-group  { margin-bottom: 16px; }
.field-group label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--slate-700);
  margin-bottom: 5px;
}

.label-link { color: var(--blue); font-weight: 500; }
.label-hint { color: var(--slate-400); font-weight: 400; }

.field-group input[type="email"],
.field-group input[type="text"],
.field-group input[type="password"],
.field-group input[type="tel"],
.field-group select,
.field-group textarea {
  width: 100%;
  padding: 10px 13px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--slate-800);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  appearance: none;
}

.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.auth-footer-note { text-align: center; margin-top: 20px; font-size: 0.825rem; color: var(--slate-500); }
.auth-footer-note a { color: var(--blue); font-weight: 600; }

/* ── Alerts ──────────────────────────────────────────────────────────────────── */

.alert {
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.83rem;
  margin-bottom: 16px;
  line-height: 1.4;
}

.alert-error   { background: #fef2f2; color: var(--red);   border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: var(--green); border: 1px solid #bbf7d0; }
.alert-info    { background: var(--blue-light); color: var(--blue-dark); border: 1px solid #bfdbfe; }

/* ── Tables ──────────────────────────────────────────────────────────────────── */

.table-wrap {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

thead th {
  background: var(--slate-50);
  padding: 11px 16px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--slate-200);
  white-space: nowrap;
}

tbody td {
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--slate-700);
  border-bottom: 1px solid var(--slate-100);
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--slate-50); }

/* ── Forms (admin config forms) ──────────────────────────────────────────────── */

.form-card {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.form-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--slate-800);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--slate-100);
}

.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }

/* ── Colour swatch input ─────────────────────────────────────────────────────── */

.colour-field {
  display: flex;
  align-items: center;
  gap: 10px;
}

.colour-field input[type="color"] {
  width: 40px;
  height: 36px;
  padding: 2px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: #fff;
}

.colour-field input[type="text"] {
  flex: 1;
  padding: 9px 12px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  outline: none;
}

.colour-field input[type="text"]:focus { border-color: var(--blue); }

/* ── Toggle switch ───────────────────────────────────────────────────────────── */

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--slate-100);
}

.toggle-row:last-child { border-bottom: none; }

.toggle-label { font-size: 0.875rem; font-weight: 500; color: var(--slate-700); }
.toggle-hint  { font-size: 0.78rem; color: var(--slate-400); margin-top: 2px; }

.toggle {
  position: relative;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}

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

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--slate-200);
  border-radius: 11px;
  cursor: pointer;
  transition: background 0.2s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.toggle input:checked + .toggle-slider { background: var(--blue); }
.toggle input:checked + .toggle-slider::before { transform: translateX(18px); }

/* ── Error text ──────────────────────────────────────────────────────────────── */

.error-text { color: var(--red); font-size: 0.85rem; }

/* ── Site footer ─────────────────────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--slate-200);
  padding: 20px 24px;
  text-align: center;
}

.site-footer p { font-size: 0.78rem; color: var(--slate-400); }

/* ── Responsive ──────────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .header-inner  { gap: 16px; }
  .header-nav    { display: none; }
  .page-wrap     { padding: 20px 16px 48px; }
  .page-header   { flex-direction: column; }
  .field-row     { grid-template-columns: 1fr; }
  .form-grid-2   { grid-template-columns: 1fr; }
  .stats-grid    { grid-template-columns: repeat(2, 1fr); }
  .auth-card     { padding: 28px 20px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .venues-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ── Breadcrumb ───────────────────────────────────────────────────────────────── */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--slate-400);
  margin-bottom: 16px;
}

.breadcrumb a { color: var(--slate-400); }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb-sep { color: var(--slate-300); }

/* ── Venue header meta ────────────────────────────────────────────────────────── */

.venue-header-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  flex-wrap: wrap;
}

.page-header-actions { display: flex; gap: 10px; align-items: flex-start; }

.venue-slug-pill {
  font-size: 0.78rem;
  background: var(--slate-100);
  color: var(--slate-500);
  padding: 3px 8px;
  border-radius: 5px;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

/* ── Tab nav ──────────────────────────────────────────────────────────────────── */

.tab-nav {
  display: flex;
  gap: 2px;
  border-bottom: 2px solid var(--slate-200);
  margin-bottom: 28px;
  overflow-x: auto;
  scrollbar-width: none;
}

.tab-nav::-webkit-scrollbar { display: none; }

.tab-btn {
  padding: 10px 16px;
  border: none;
  background: none;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-500);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.tab-btn:hover  { color: var(--slate-700); }
.tab-btn.active { color: var(--blue); border-bottom-color: var(--blue); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Two-col layout ───────────────────────────────────────────────────────────── */

.two-col-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 24px;
  align-items: start;
}

.form-card-hint {
  font-size: 0.82rem;
  color: var(--slate-500);
  margin-bottom: 20px;
  margin-top: -10px;
}

textarea {
  width: 100%;
  padding: 10px 13px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--slate-800);
  resize: vertical;
  outline: none;
  transition: border-color 0.15s;
}

textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }

/* ── Live preview ─────────────────────────────────────────────────────────────── */

.preview-card {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 80px;
}

.preview-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate-400);
  margin-bottom: 12px;
}

.preview-hint {
  font-size: 0.72rem;
  color: var(--slate-400);
  text-align: center;
  margin-top: 10px;
}

.portal-mini-preview {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--slate-200);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.pmp-header {
  padding: 20px 16px;
  text-align: center;
  transition: background 0.3s;
}

.pmp-wifi-icon { display: flex; justify-content: center; margin-bottom: 10px; }

.pmp-heading {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.3;
}

.pmp-body {
  padding: 16px;
  background: #fff;
}

.pmp-connect-btn {
  width: 100%;
  padding: 10px;
  border-radius: 7px;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  text-align: center;
  transition: background 0.3s;
}

/* ── Auth method list ─────────────────────────────────────────────────────────── */

.auth-method-list { display: flex; flex-direction: column; gap: 0; margin-bottom: 20px; }

.auth-method-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--slate-100);
}

.auth-method-row:last-child { border-bottom: none; }

.auth-method-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.auth-icon-click   { background: #eff6ff; color: var(--blue); }
.auth-icon-email   { background: #f0fdf4; color: var(--green); }
.auth-icon-voucher { background: #fffbeb; color: var(--amber); }
.auth-icon-social  { background: #faf5ff; color: #7c3aed; }

.auth-method-info { flex: 1; }
.auth-method-name { font-size: 0.9rem; font-weight: 600; color: var(--slate-800); }
.auth-method-desc { font-size: 0.78rem; color: var(--slate-500); margin-top: 2px; }

/* ── Router setup ─────────────────────────────────────────────────────────────── */

.router-setup-info {
  display: flex;
  gap: 12px;
  background: var(--blue-light);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.router-setup-info-icon {
  width: 22px;
  height: 22px;
  background: var(--blue);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.router-setup-info strong { font-size: 0.85rem; color: var(--blue-dark); display: block; margin-bottom: 8px; }

.setup-steps {
  padding-left: 16px;
  font-size: 0.8rem;
  color: var(--blue-dark);
  line-height: 1.8;
}

.setup-steps code {
  background: rgba(37,99,235,0.1);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.78rem;
  font-family: 'SF Mono','Fira Code',monospace;
}

/* ── Walled garden ────────────────────────────────────────────────────────────── */

.walled-garden-list { display: flex; flex-direction: column; gap: 0; }

.wg-entry {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--slate-100);
  font-size: 0.85rem;
}

.wg-entry:last-child { border-bottom: none; }
.wg-entry code { font-family: 'SF Mono','Fira Code',monospace; font-size: 0.82rem; color: var(--slate-700); min-width: 220px; }
.wg-entry span { color: var(--slate-400); font-size: 0.78rem; }

/* ── Vouchers ─────────────────────────────────────────────────────────────────── */

.batch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  box-shadow: var(--shadow-sm);
}

.batch-info { display: flex; flex-direction: column; gap: 3px; }
.batch-info strong { font-size: 0.9rem; color: var(--slate-800); }
.batch-meta { font-size: 0.75rem; color: var(--slate-400); }

.voucher-codes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 12px;
  max-height: 360px;
  overflow-y: auto;
}

.voucher-code {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-sm);
}

.voucher-code.used { opacity: 0.45; text-decoration: line-through; }
.voucher-code code { font-family: 'SF Mono','Fira Code',monospace; font-size: 0.82rem; font-weight: 700; letter-spacing: 0.06em; }
.vc-uses { font-size: 0.7rem; color: var(--slate-400); }

.batch-detail-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.batch-detail-header .form-card-title { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }

/* ── Sessions ─────────────────────────────────────────────────────────────────── */

.filter-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-input {
  padding: 7px 10px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.825rem;
  color: var(--slate-700);
  outline: none;
  background: #fff;
}

.filter-input:focus { border-color: var(--blue); }

.mac-addr { font-family: 'SF Mono','Fira Code',monospace; font-size: 0.78rem; }

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-green { background: #f0fdf4; color: var(--green); }
.badge-grey  { background: var(--slate-100); color: var(--slate-400); }

.method-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: capitalize;
  background: var(--slate-100);
  color: var(--slate-600);
}

.method-click_through { background: #eff6ff; color: var(--blue); }
.method-email         { background: #f0fdf4; color: var(--green); }
.method-voucher       { background: #fffbeb; color: var(--amber); }
.method-google,
.method-facebook      { background: #faf5ff; color: #7c3aed; }

.table-loading { text-align: center; padding: 32px; color: var(--slate-400); font-size: 0.875rem; }

/* ── Analytics ────────────────────────────────────────────────────────────────── */

.chart-wrap { position: relative; width: 100%; }
.chart-wrap canvas { width: 100% !important; display: block; }

.method-breakdown-grid { display: flex; flex-direction: column; gap: 12px; }

.method-bar-row { display: flex; align-items: center; gap: 12px; }
.method-bar-label { font-size: 0.8rem; font-weight: 600; color: var(--slate-600); width: 110px; text-transform: capitalize; }
.method-bar-track { flex: 1; height: 8px; background: var(--slate-100); border-radius: 4px; overflow: hidden; }
.method-bar-fill  { height: 100%; border-radius: 4px; transition: width 0.6s ease; }
.method-bar-count { font-size: 0.8rem; color: var(--slate-500); width: 32px; text-align: right; }

/* ── Toast ────────────────────────────────────────────────────────────────────── */

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  background: var(--slate-800);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  transform: translateY(80px);
  opacity: 0;
  transition: transform 0.25s, opacity 0.25s;
  z-index: 200;
  pointer-events: none;
  max-width: 320px;
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.toast-error { background: var(--red); }

/* ── Print styles (voucher printing) ─────────────────────────────────────────── */

@media print {
  .site-header, .tab-nav, .two-col-main, .form-card:not(#batch-detail),
  .preview-card, .page-header, .breadcrumb, .site-footer { display: none !important; }
  .voucher-codes-grid { max-height: none; grid-template-columns: repeat(4,1fr); }
  .voucher-code { border: 1px dashed #ccc; padding: 12px; }
  .voucher-code code { font-size: 1rem; }
}

/* ── Responsive ───────────────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .two-col-layout { grid-template-columns: 1fr; }
  .preview-card   { position: static; }
}

@media (max-width: 640px) {
  .filter-row { flex-direction: column; align-items: stretch; }
  .filter-input, .filter-row .btn { width: 100%; }
  .voucher-codes-grid { grid-template-columns: 1fr; }
}

/* ── Logo images ──────────────────────────────────────────────────────────────── */

.header-logo-img {
  height: 32px;
  width: auto;
  display: block;
  /* logo has white bg — invert on dark header */
  filter: brightness(0) invert(1);
}

.auth-logo-img {
  height: 48px;
  width: auto;
  display: block;
  margin: 0 auto 4px;
}

.auth-logo {
  text-align: center;
  margin-bottom: 24px;
}

/* ── Upload fields ────────────────────────────────────────────────────────────── */

.upload-field {
  display: flex;
  gap: 8px;
  align-items: center;
}

.upload-field input[type="url"] {
  flex: 1;
  padding: 9px 12px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-family: inherit;
  color: var(--slate-700);
  outline: none;
}

.upload-field input[type="url"]:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,124,195,0.1);
}

.upload-btn {
  cursor: pointer;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
}