/* ── Reset & Base ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #04040f;
  --sidebar:  #07071a;
  --surface:  #0e0e24;
  --surface2: #131330;
  --border:   rgba(255,255,255,0.07);
  --teal:     #00e5c8;
  --purple:   #7c3aed;
  --text:     #e8e8f0;
  --muted:    #8888aa;
  --danger:   #ef4444;
  --success:  #22c55e;
  --radius:   12px;
  --trans:    0.2s ease;
}

html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  overflow: hidden;
}
.hidden { display: none !important; }

/* ── Login ─────────────────────────────────────── */
#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 50% 30%, rgba(0,229,200,0.07) 0%, transparent 70%),
              var(--bg);
}
.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3rem;
  width: 100%;
  max-width: 400px;
  text-align: center;
}
.login-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}
.logo-q   { color: #00e5c8; }
.logo-rol { color: #fff; }
.login-box h2 { font-size: 1.4rem; color: #fff; margin-bottom: 0.5rem; }
.login-box p  { color: var(--muted); margin-bottom: 1.5rem; font-size: 0.9rem; }
.login-error  { color: var(--danger); font-size: 0.85rem; margin-top: 0.75rem; min-height: 1.2em; }

/* ── Layout ────────────────────────────────────── */
#app {
  display: grid;
  grid-template-columns: 220px 1fr;
  height: 100vh;
}

/* ── Sidebar ───────────────────────────────────── */
#sidebar {
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 1.5rem 0;
  overflow-y: auto;
}
.sidebar-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  padding: 0 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.75rem;
}
.sidebar-badge {
  background: rgba(0,229,200,0.12);
  color: var(--teal);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.sidebar-nav { flex: 1; display: flex; flex-direction: column; padding: 0 0.75rem; gap: 0.25rem; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.875rem;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--trans);
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
}
.nav-item:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.nav-item.active { background: rgba(0,229,200,0.1); color: var(--teal); }
.nav-icon { font-size: 1rem; width: 20px; text-align: center; }
.sidebar-footer {
  padding: 0.75rem;
  border-top: 1px solid var(--border);
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.logout-btn { color: var(--danger) !important; }
.logout-btn:hover { background: rgba(239,68,68,0.1) !important; }

/* ── Main ──────────────────────────────────────── */
#main-content {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  background: rgba(7,7,26,0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar h1 { font-family: 'Space Grotesk', sans-serif; font-size: 1.25rem; font-weight: 700; color: #fff; }
.topbar-right { display: flex; align-items: center; gap: 1rem; }
.topbar-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  color: var(--success);
  padding: 0.35rem 0.875rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ── Views ─────────────────────────────────────── */
.view {
  flex: 1;
  overflow-y: auto;
  padding: 2rem;
}
.view.hidden { display: none; }
.view.active { display: block; }

/* ── Stats grid ────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}
.stat-card .stat-label { color: var(--muted); font-size: 0.8rem; margin-bottom: 0.5rem; }
.stat-card .stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.25rem;
}
.stat-change { font-size: 0.78rem; color: var(--muted); }
.stat-change.positive { color: var(--success); }

/* ── Cards ─────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.card-header h3 { font-size: 0.95rem; font-weight: 600; color: #fff; }
.card-link { color: var(--teal); text-decoration: none; font-size: 0.8rem; }

.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

.quick-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
}
.quick-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.65rem 1rem;
  text-align: left;
  cursor: pointer;
  font-size: 0.875rem;
  font-family: inherit;
  transition: var(--trans);
}
.quick-btn:hover { border-color: var(--teal); color: var(--teal); background: rgba(0,229,200,0.05); }

/* ── Table ─────────────────────────────────────── */
.table-wrapper, .data-table { width: 100%; }
.data-table {
  border-collapse: collapse;
  font-size: 0.875rem;
}
.data-table th {
  padding: 0.75rem 1.5rem;
  text-align: left;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table td {
  padding: 0.875rem 1.5rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: rgba(255,255,255,0.02); }

.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
}
.badge-active   { background: rgba(34,197,94,0.12); color: var(--success); border: 1px solid rgba(34,197,94,0.2); }
.badge-inactive { background: rgba(255,255,255,0.05); color: var(--muted); border: 1px solid var(--border); }

.action-btns { display: flex; gap: 0.4rem; }
.btn-icon {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  font-size: 0.8rem;
  transition: var(--trans);
}
.btn-icon:hover { border-color: var(--teal); color: var(--teal); }
.btn-icon.danger:hover { border-color: var(--danger); color: var(--danger); }

.toggle-switch {
  position: relative;
  width: 36px; height: 20px;
  display: inline-block;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-track {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: var(--border);
  cursor: pointer;
  transition: var(--trans);
}
.toggle-track::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--muted);
  transition: var(--trans);
}
.toggle-switch input:checked + .toggle-track { background: rgba(0,229,200,0.3); }
.toggle-switch input:checked + .toggle-track::after {
  transform: translateX(16px);
  background: var(--teal);
}

.url-cell {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--muted);
  font-size: 0.8rem;
}

/* ── View header ───────────────────────────────── */
.view-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.search-bar input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 1rem;
  color: var(--text);
  font-size: 0.875rem;
  font-family: inherit;
  outline: none;
  width: 280px;
  transition: var(--trans);
}
.search-bar input:focus { border-color: var(--teal); }
.filter-tabs { display: flex; gap: 0.35rem; }
.filter-tab {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  padding: 0.45rem 0.875rem;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: inherit;
  transition: var(--trans);
}
.filter-tab:hover { color: var(--text); }
.filter-tab.active { background: rgba(0,229,200,0.1); border-color: rgba(0,229,200,0.3); color: var(--teal); }

/* ── Chart ─────────────────────────────────────── */
.chart-container { padding: 1.5rem; height: 260px; }
#scan-chart { width: 100%; height: 100%; }

.top-promo-bar { display: flex; flex-direction: column; gap: 0.75rem; padding: 1rem 1.5rem; }
.top-promo-item { display: flex; align-items: center; gap: 1rem; }
.top-promo-name { width: 160px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 0.875rem; }
.top-promo-track { flex: 1; height: 8px; background: var(--surface2); border-radius: 4px; overflow: hidden; }
.top-promo-fill { height: 100%; background: linear-gradient(90deg, var(--teal), var(--purple)); border-radius: 4px; transition: width 0.8s ease; }
.top-promo-count { color: var(--muted); font-size: 0.8rem; width: 50px; text-align: right; }

/* ── Settings ──────────────────────────────────── */
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.setting-group { margin-bottom: 1.25rem; }
.setting-group label { display: block; color: var(--muted); font-size: 0.8rem; margin-bottom: 0.4rem; font-weight: 500; }
.radio-group { display: flex; flex-direction: column; gap: 0.875rem; padding: 1rem 1.5rem; }
.radio-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  color: var(--text);
  font-size: 0.875rem;
}
.radio-label input { margin-top: 3px; accent-color: var(--teal); }

/* ── Buttons ───────────────────────────────────── */
.btn-primary {
  background: linear-gradient(135deg, #00e5c8, #00b89e);
  color: #04040f;
  padding: 0.6rem 1.5rem;
  border-radius: 999px;
  border: none;
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
  font-family: inherit;
  transition: var(--trans);
  display: inline-block;
  text-decoration: none;
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-1px); }
.btn-ghost {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.6rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  font-family: inherit;
  transition: var(--trans);
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal); }
.btn-sm {
  background: var(--teal);
  color: #04040f;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  border: none;
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  font-family: inherit;
  transition: var(--trans);
}
.btn-sm:hover { opacity: 0.85; }

/* ── Form ──────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group label { font-size: 0.8rem; font-weight: 500; color: var(--muted); }
.form-group input,
.form-group select,
.form-group textarea,
.setting-group input {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.875rem;
  color: var(--text);
  font-size: 0.875rem;
  font-family: inherit;
  outline: none;
  transition: var(--trans);
  width: 100%;
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.setting-group input:focus { border-color: var(--teal); }
.form-group select option { background: #0e0e24; }

/* ── Modal ─────────────────────────────────────── */
#modal-overlay, #qr-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 1rem; font-weight: 600; color: #fff; }
.modal-close {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.25rem;
  border-radius: 4px;
  transition: var(--trans);
}
.modal-close:hover { color: #fff; }
#promo-form { padding: 1.5rem; }
.modal-actions { display: flex; justify-content: flex-end; gap: 0.75rem; margin-top: 0.5rem; }

/* QR modal */
.qr-modal { max-width: 360px; }
.qr-preview-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.qr-preview-box {
  background: #fff;
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}
.qr-url-label { font-family: monospace; font-size: 0.9rem; color: var(--teal); }
.qr-hint { color: var(--muted); font-size: 0.8rem; text-align: center; }

/* ── Loading ───────────────────────────────────── */
.loading { text-align: center; color: var(--muted); padding: 2rem; }

/* ── Scrollbar ─────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }