/* ── Design tokens ────────────────────────────────────────────────────────── */
:root {
  --bg-0: #f5f8fc;
  --bg-1: #e8eef8;
  --ink-0: #0f2348;
  --ink-1: #263f66;
  --card: #ffffff;
  --line: rgba(15, 35, 72, 0.12);
  --accent-a: #0891b2;
  --accent-b: #06d6a0;
  --accent-soft: rgba(6,214,160,0.12);
  --danger: #be394b;
  --ok: #2a8a50;
  --shadow: 0 18px 40px rgba(22, 43, 80, 0.16);
  --dark-card: rgba(255, 255, 255, 0.05);
  --dark-border: rgba(255, 255, 255, 0.1);
  --dark-text: rgba(255, 255, 255, 0.92);
  --dark-muted: rgba(255, 255, 255, 0.5);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Sora", sans-serif;
  color: var(--ink-0);
  background:
    radial-gradient(circle at 20% 15%, rgba(80,30,160,0.12), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(20,10,60,0.18), transparent 40%),
    linear-gradient(145deg, #0c0c14 0%, #131325 52%, #0c1218 100%);
  background-attachment: fixed;
}

h1, h2, h3, .eyebrow { font-family: "Space Grotesk", sans-serif; }

/* ── Auth Layout ──────────────────────────────────────────────────────────── */
.auth-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 28px;
  padding: 28px;
}

.brand-panel {
  border-radius: 24px;
  border: 1px solid var(--dark-border);
  background: var(--dark-card);
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.3);
  position: relative;
  overflow: hidden;
  padding: 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}

.brand-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 25%, rgba(8,145,178,0.14) 0%, transparent 55%),
    radial-gradient(circle at 70% 75%, rgba(6,214,160,0.10) 0%, transparent 50%);
  pointer-events: none;
}

.brand-glow {
  position: absolute;
  width: 360px;
  height: 360px;
  right: -120px;
  top: -90px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(8,145,178,0.25), rgba(6,214,160,0.12));
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dark-muted);
  font-size: 12px;
  font-weight: 600;
}

.brand-title {
  margin: 0;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1;
  color: var(--dark-text);
}

.brand-title span {
  display: block;
  margin-top: 8px;
  background: linear-gradient(90deg, var(--accent-a), var(--accent-b));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-copy {
  margin: 0;
  color: var(--dark-muted);
  line-height: 1.7;
  max-width: 54ch;
}

.brand-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.brand-badges span {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.15);
  font-size: 13px;
  font-weight: 600;
}

.auth-panel {
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(20px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
  display: grid;
  place-items: center;
  padding: 36px;
}

.auth-card {
  border-radius: 24px;
  width: min(460px, 100%);
  padding: 34px;
  background: transparent;
  border: none;
  box-shadow: none;
}

.auth-card h2 {
  margin: 0;
  font-size: 34px;
  color: var(--dark-text);
}

.auth-subtitle {
  margin: 8px 0 22px;
  color: var(--dark-muted);
  font-size: 14px;
}

.auth-form {
  display: grid;
  gap: 12px;
}

.login-error {
  background: #fff0f0;
  border: 1px solid #f5c2c2;
  color: #c0392b;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 14px;
}

.auth-form label {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
}

.auth-form input {
  width: 100%;
  border-radius: 14px;
  border: 1.5px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.08);
  padding: 12px 14px;
  font-family: inherit;
  font-size: 14px;
  color: rgba(255,255,255,0.92);
  transition: border-color 0.2s, background 0.2s;
}

.auth-form input::placeholder {
  color: rgba(255,255,255,0.32);
}

.auth-form input:focus {
  outline: none;
  border-color: var(--accent-b);
  background: rgba(255,255,255,0.12);
}

.password-wrapper {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.form-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 4px 0 8px;
  gap: 16px;
}

.checkbox-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.text-link {
  color: var(--accent-a);
  text-decoration: none;
  font-size: 14px;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.ghost-button,
.primary-btn,
.secondary-btn,
.menu-btn {
  border: 0;
  border-radius: 14px;
  font-family: inherit;
  cursor: pointer;
  font-weight: 600;
}

.ghost-button {
  background: rgba(15,35,72,0.08);
  color: var(--ink-0);
  padding: 0 14px;
}

.primary-btn,
.secondary-btn {
  padding: 12px;
  transition: transform 200ms ease, opacity 200ms ease;
}

.primary-btn {
  background: linear-gradient(90deg, var(--accent-a), var(--accent-b));
  color: #fff;
  font-size: 15px;
  letter-spacing: 0.02em;
}

.secondary-btn {
  background: #edf4ff;
  color: var(--ink-0);
}

.primary-btn:hover,
.secondary-btn:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

/* ── Dashboard Shell ──────────────────────────────────────────────────────── */
.dashboard-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 22px;
  padding: 20px;
  /* Override ink tokens so inline color:var(--ink-*) styles are readable on dark cards */
  --ink-0: rgba(255,255,255,0.92);
  --ink-1: rgba(255,255,255,0.50);
  --line:  rgba(255,255,255,0.10);
}

/* ── Sidebar ──────────────────────────────────────────────────────────────── */
.sidebar {
  border-radius: 20px;
  border: 1px solid var(--dark-border);
  background: var(--dark-card);
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 16px;
  height: calc(100vh - 32px);
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--dark-border);
}

.sidebar-brand img {
  height: 36px;
  margin-bottom: 10px;
  border-radius: 10px;
  background: #ffffff;
  padding: 4px 10px;
  box-shadow: 0 2px 14px rgba(0,0,0,0.35);
  display: block;
  filter: none;
}

.sidebar-brand .eyebrow {
  color: var(--dark-muted);
  font-size: 11px;
}

.sidebar-brand h1 {
  margin: 6px 0 0;
  font-family: 'Rajdhani', 'Space Grotesk', sans-serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dark-text);
  background: none;
  -webkit-text-fill-color: initial;
}

.sidebar-brand h1 span {
  background: linear-gradient(90deg, var(--accent-a), var(--accent-b));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-nav { display: grid; gap: 4px; }

.sidebar-nav a,
.logout-link {
  text-decoration: none;
  border-radius: 12px;
  padding: 10px 14px;
  color: var(--dark-muted);
  font-weight: 500;
  font-size: 14px;
  transition: background 0.15s, color 0.15s;
}

.sidebar-nav a.active,
.sidebar-nav a:hover {
  background: linear-gradient(90deg, rgba(8,145,178,0.38), rgba(6,214,160,0.18));
  color: #fff;
}

.logout-link {
  margin-top: auto;
  background: rgba(190,57,75,0.12);
  color: rgba(255,120,130,0.9);
  font-size: 14px;
  display: block;
}

.logout-link:hover {
  background: rgba(190,57,75,0.22);
  color: #ff7b85;
}

/* ── Dashboard main ───────────────────────────────────────────────────────── */
.dashboard-main {
  padding: 0;
  display: grid;
  gap: 22px;
  align-content: start;
  background: transparent;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
}

/* Section containers — each visible section stacks its children with a gap */
[id^="section-"] {
  display: grid;
  gap: 20px;
  align-content: start;
}

/* ── Header ───────────────────────────────────────────────────────────────── */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  background: rgba(255,255,255,0.09);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.14);
  padding: 16px 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.30), inset 0 1px 0 rgba(255,255,255,0.12);
  backdrop-filter: blur(20px);
}

.dashboard-header .eyebrow { color: var(--dark-muted); }
.dashboard-header h2 { margin: 2px 0 0; font-size: 20px; color: var(--dark-text); }

.menu-btn {
  display: none;
  padding: 9px 14px;
  background: var(--accent-soft);
  color: var(--accent-a);
  font-size: 13px;
  border-radius: 12px;
}

.user-pill {
  border-radius: 10px;
  background: rgba(16, 19, 20, 0.18);
  color: rgba(232, 237, 238, 0.92);
  border: 1px solid rgba(241, 245, 245, 0.35);
  padding: 7px 16px;
  font-family: 'Rajdhani', 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.chart-sent-count {
  font-size: 12px;
  color: rgba(255,255,255,0.50);
  margin: -6px 0 18px;
  text-align: right;
  font-family: 'Sora', sans-serif;
  display: none;
}

/* ── Metric cards ─────────────────────────────────────────────────────────── */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.metric-card {
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.09);
  backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.30), inset 0 1px 0 rgba(255,255,255,0.12);
  padding: 22px 24px;
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-a), var(--accent-b));
}

.metric-card p {
  margin: 0;
  color: var(--dark-muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.metric-card h3 {
  font-size: 32px;
  margin: 10px 0 0;
  color: var(--dark-text);
}

.trend { font-size: 13px; font-weight: 600; margin-top: 4px; }
.trend.up   { color: var(--ok); }
.trend.down { color: var(--danger); }

/* ── Panel grid ───────────────────────────────────────────────────────────── */
.panel-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 20px;
}

/* ── Panel ────────────────────────────────────────────────────────────────── */
.panel {
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.09);
  backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.30), inset 0 1px 0 rgba(255,255,255,0.12);
  padding: 22px 24px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--dark-border);
}

.panel-head h3 { margin: 0; font-size: 15px; color: var(--dark-text); }

.panel-head span,
.panel-head a {
  color: var(--dark-muted);
  text-decoration: none;
  font-size: 12px;
  font-weight: 500;
}

/* ── Bar chart ────────────────────────────────────────────────────────────── */
.bar-chart {
  min-height: 200px;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 10px 0 0;
}

.bar {
  flex: 1;
  border-radius: 8px 8px 3px 3px;
  background: linear-gradient(180deg, var(--accent-b), var(--accent-a));
  min-height: 4px;
}

/* ── Weekly stats pills ───────────────────────────────────────────────────── */
.weekly-stats {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}

.weekly-stat-pill {
  flex: 1;
  border-radius: 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.wsp-value {
  font-family: 'Rajdhani', 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--accent-b);
  letter-spacing: 0.04em;
}

.wsp-label {
  font-size: 10px;
  font-weight: 600;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.weekly-chart-wrap {
  position: relative;
  height: 180px;
}

/* ── Recent list ──────────────────────────────────────────────────────────── */
.recent-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.recent-list li {
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  padding: 12px 16px;
  background: rgba(255,255,255,0.05);
}

.recent-list strong { display: block; margin-bottom: 4px; font-size: 13px; color: var(--dark-text); }
.recent-list p { margin: 0; font-size: 12px; color: var(--dark-muted); }

/* ── Data tables ──────────────────────────────────────────────────────────── */
.data-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.dash-table { width: 100%; border-collapse: collapse; font-size: 13px; color: var(--dark-text); }

.dash-table th,
.dash-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.dash-table th {
  color: var(--dark-muted);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(255,255,255,0.06);
}

.dash-table tbody tr:last-child td { border-bottom: none; }
.dash-table tbody tr:hover { background: rgba(255,255,255,0.06); }

.table-empty {
  color: var(--dark-muted);
  font-style: italic;
  text-align: center;
  padding: 28px 0 !important;
}

/* ── Domain Accordion ─────────────────────────────────────────────────────── */
.domain-accordion { display: flex; flex-direction: column; gap: 10px; padding: 0; }

.domain-item { border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; overflow: hidden; }
.domain-item + .domain-item { margin-top: 10px; }

.domain-item-head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255,255,255,0.06);
  border: none;
  cursor: pointer;
  font-family: "Sora", sans-serif;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--dark-text);
  text-align: left;
  transition: background 0.15s;
}

.domain-item-head:hover  { background: rgba(255,255,255,0.1); }
.domain-item-head.open   { background: rgba(255,255,255,0.11); }

.domain-chevron {
  font-size: 11px;
  color: var(--dark-muted);
  transition: transform 0.2s;
  flex-shrink: 0;
}

.domain-item-head.open .domain-chevron { transform: rotate(90deg); }

/* nested topic items spacing + table column fix */
.qr-domain-body { padding: 6px !important; }
.qr-domain-body > .domain-item + .domain-item { margin-top: 6px; }
.qr-domain-body .dash-table { table-layout: fixed; }
.qr-domain-body .dash-table th:nth-child(2),
.qr-domain-body .dash-table td:nth-child(2) { width: 76px; }
.qr-domain-body .dash-table th:nth-child(3),
.qr-domain-body .dash-table td:nth-child(3) { width: 120px; text-align: center; }

.domain-item-labels {
  padding: 10px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  max-height: 180px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.2) transparent;
}

.label-tag {
  display: inline-block;
  font-size: 11.5px;
  padding: 3px 10px;
  border-radius: 99px;
  background: rgba(8,145,178,0.30);
  color: rgba(255,255,255,0.92);
  font-weight: 600;
  border: 1px solid rgba(8,145,178,0.45);
}

.label-tag-empty { font-size: 12px; color: var(--ink-1); font-style: italic; }

.domain-filter-select {
  font-family: "Sora", sans-serif;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15);
  background: #0d1a2e;
  color: rgba(255,255,255,0.92);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}
.domain-filter-select option {
  background: #0d1a2e;
  color: rgba(255,255,255,0.9);
}

/* ── Badges ───────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.badge-active   { background: #e3f9e5; color: #1a7a2a; }
.badge-inactive { background: #f0f0f0; color: #666; }
.badge-used     { background: #fff3e0; color: #b06000; }
.badge-expired  { background: #fdecea; color: #c0392b; }

/* ── Panel action buttons ─────────────────────────────────────────────────── */
.panel-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 0;
  border-radius: 10px;
  font-family: inherit;
  cursor: pointer;
  font-weight: 600;
  font-size: 12px;
  padding: 6px 14px;
  transition: transform 0.15s, opacity 0.15s;
}

.panel-action-btn:hover { transform: translateY(-1px); opacity: 0.88; }
.panel-action-btn.primary  { background: linear-gradient(90deg, var(--accent-a), var(--accent-b)); color: #fff; }
.panel-action-btn.secondary { background: rgba(255,255,255,0.12); color: var(--dark-text); border: 1px solid rgba(255,255,255,0.18); }

/* ── Analytics drawer ─────────────────────────────────────────────────────── */
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,22,40,0.5);
  backdrop-filter: blur(2px);
  z-index: 900;
}

.analytics-drawer {
  position: fixed;
  right: 0;
  top: 0;
  height: 100%;
  width: 480px;
  max-width: 95vw;
  background: rgba(12,12,20,0.98);
  backdrop-filter: blur(24px);
  border-left: 1px solid rgba(255,255,255,0.1);
  box-shadow: -12px 0 60px rgba(0,0,0,0.5);
  z-index: 910;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
  padding: 28px;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--dark-border);
}

.drawer-header h3 { margin: 0; font-size: 18px; color: var(--dark-text); }

.drawer-close-btn {
  border: none;
  background: var(--accent-soft);
  border-radius: 10px;
  cursor: pointer;
  padding: 7px 14px;
  font-size: 14px;
  color: var(--accent-a);
  font-weight: 700;
  transition: background 0.15s;
}

.drawer-close-btn:hover { background: rgba(8,145,178,0.18); }

.drawer-filters {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
  padding: 16px;
  background: rgba(255,255,255,0.05);
  border-radius: 14px;
  border: 1px solid var(--dark-border);
}

.drawer-filter-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--dark-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 5px;
}

.drawer-select {
  width: 100%;
  border: 1.5px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  padding: 8px 12px;
  font-family: inherit;
  font-size: 13px;
  color: rgba(255,255,255,0.9);
  background: #0d1a2e;
  cursor: pointer;
  transition: border-color 0.2s;
  -webkit-appearance: none;
  appearance: none;
}

.drawer-select option {
  background: #0d1a2e;
  color: rgba(255,255,255,0.9);
}

.drawer-select:focus { outline: none; border-color: var(--accent-b); }

.drawer-section-label {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.88);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.drawer-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--dark-border);
}

/* ── Review modal ─────────────────────────────────────────────────────────── */
.review-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,22,40,0.55);
  backdrop-filter: blur(3px);
  z-index: 950;
  align-items: center;
  justify-content: center;
}

.review-modal-box {
  background: rgba(8,18,46,0.97);
  border-radius: 20px;
  padding: 28px;
  width: min(580px, 92vw);
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 28px 80px rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.12);
}

.review-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--dark-border);
}

.review-modal-head h3 { margin: 0; font-size: 17px; color: var(--dark-text); }

/* ── Animations ───────────────────────────────────────────────────────────── */
.reveal-up { animation: revealUp 680ms ease both; }
.delay-1   { animation-delay: 120ms; }
.delay-2   { animation-delay: 240ms; }
.delay-3   { animation-delay: 360ms; }

@keyframes revealUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .panel-grid,
  .data-grid   { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .auth-layout  { grid-template-columns: 1fr; }
  .brand-panel  { display: none; }
  .dashboard-shell { grid-template-columns: 1fr; }
  .sidebar {
    display: none;
    position: fixed;
    left: 16px; top: 16px; bottom: 16px;
    z-index: 800;
    width: 260px;
    height: auto;
  }
  .sidebar.open { display: flex; }
  .menu-btn { display: inline-flex; }
}

@media (max-width: 640px) {
  .auth-layout,
  .dashboard-shell { padding: 12px; }
  .auth-card     { padding: 22px; }
  .metric-grid   { grid-template-columns: 1fr; }
  .metric-card,
  .panel         { border-radius: 14px; }
}