:root {
  color-scheme: light;
  --bg: #eef3f9;
  --bg-strong: #e0e9f5;
  --surface: rgba(255, 255, 255, 0.96);
  --surface-strong: rgba(255, 255, 255, 0.99);
  --surface-soft: rgba(245, 249, 255, 0.94);
  --line: rgba(0, 102, 255, 0.14);
  --line-strong: rgba(68, 43, 134, 0.22);
  --text: #1d1d1b;
  --muted: #54607d;
  --accent: #00ccff;
  --accent-strong: #0066ff;
  --accent-purple: #442b86;
  --shadow: 0 18px 45px rgba(23, 40, 74, 0.12);
  --shadow-soft: 0 12px 26px rgba(0, 102, 255, 0.1);
  font-family: "Outfit", "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #09111d;
  --bg-strong: #111b2b;
  --surface: rgba(16, 24, 36, 0.92);
  --surface-strong: rgba(20, 30, 45, 0.98);
  --surface-soft: rgba(15, 24, 39, 0.94);
  --line: rgba(126, 232, 255, 0.14);
  --line-strong: rgba(126, 232, 255, 0.26);
  --text: #edf5ff;
  --muted: #9fb0cb;
  --shadow: 0 24px 55px rgba(0, 0, 0, 0.34);
  --shadow-soft: 0 16px 34px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(0, 204, 255, 0.12), transparent 24%),
    radial-gradient(circle at 14% 78%, rgba(0, 102, 255, 0.08), transparent 20%),
    radial-gradient(circle at 86% 18%, rgba(68, 43, 134, 0.12), transparent 24%),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 48%, #e9eff8 100%);
  color: var(--text);
}

:root[data-theme="dark"] body {
  background:
    radial-gradient(circle at top left, rgba(0, 204, 255, 0.14), transparent 22%),
    radial-gradient(circle at 18% 78%, rgba(0, 102, 255, 0.12), transparent 20%),
    radial-gradient(circle at 88% 18%, rgba(68, 43, 134, 0.22), transparent 22%),
    linear-gradient(180deg, #07111d 0%, var(--bg) 54%, #0d1624 100%);
}

button,
input {
  font: inherit;
}

.shell {
  position: relative;
  z-index: 1;
  width: min(100%, 1320px);
  margin: 0 auto;
  padding: 24px clamp(18px, 3vw, 34px) 34px;
}

.topbar,
.card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  padding: 22px;
  margin-bottom: 18px;
}

.brand h1,
.card h2,
.card h3 {
  margin: 8px 0 0;
  letter-spacing: -0.04em;
}

.brand h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.brand p,
.card p,
.card small,
.card span.label,
.table-footer p {
  color: var(--muted);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-purple);
  font-weight: 700;
}

.topbar-actions {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.theme-toggle {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  padding: 4px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.06), rgba(0, 204, 255, 0.1));
}

.theme-option {
  min-width: 88px;
  min-height: 40px;
  padding: 8px 12px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
}

.theme-option.active,
.button-primary {
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.session-badge,
.origin-chip {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
  color: var(--accent-purple);
  font-weight: 700;
}

.hidden {
  display: none !important;
}

.feedback {
  margin-bottom: 18px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
}

.feedback.info {
  border-color: rgba(0, 102, 255, 0.18);
}

.feedback.success {
  border-color: rgba(0, 122, 85, 0.28);
}

.feedback.error {
  border-color: rgba(219, 39, 119, 0.28);
}

.auth-layout,
.dashboard {
  display: grid;
  gap: 18px;
}

.auth-layout {
  grid-template-columns: 1.15fr 0.85fr;
  align-items: stretch;
}

.hero-card,
.auth-card,
.toolbar-card,
.stat-card,
.table-card,
.chart-card {
  padding: 22px;
}

.hero-card {
  background:
    radial-gradient(circle at top right, rgba(0, 204, 255, 0.16), transparent 30%),
    linear-gradient(160deg, var(--surface-strong), var(--surface-soft));
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-points span {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-strong) 88%, transparent);
  color: var(--text);
  font-weight: 600;
}

.stack-form,
.filters-grid,
.search-field,
.toolbar-buttons,
.content-grid,
.stats-grid {
  display: grid;
  gap: 16px;
}

.stack-form label,
.filters-grid label,
.search-field {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

input {
  min-height: 48px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(0, 102, 255, 0.16);
  background: var(--surface-strong);
  color: var(--text);
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

input:focus {
  outline: none;
  border-color: rgba(0, 204, 255, 0.45);
  box-shadow: 0 0 0 4px rgba(0, 204, 255, 0.12);
}

.button {
  min-height: 48px;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
  font-weight: 700;
}

.button:hover {
  transform: translateY(-1px);
}

.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.button-secondary {
  background: color-mix(in srgb, var(--surface-strong) 94%, transparent);
  color: var(--accent-purple);
  border-color: rgba(0, 102, 255, 0.14);
}

.filters-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
}

.toolbar-buttons {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.toolbar-buttons.single-column {
  grid-template-columns: 1fr;
}

.stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-card strong {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.content-grid {
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.9fr);
}

.card-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.table-wrap {
  overflow: auto;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-soft) 90%, transparent);
}

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

th,
td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid rgba(0, 102, 255, 0.08);
  white-space: nowrap;
  font-size: 0.86rem;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: color-mix(in srgb, var(--surface-soft) 95%, transparent);
  color: var(--muted);
}

tbody tr:hover {
  background: rgba(0, 204, 255, 0.08);
}

.table-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.pager {
  display: flex;
  gap: 10px;
}

.chart-wrap {
  min-height: 320px;
  padding: 12px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-soft) 90%, transparent);
}

:root[data-theme="dark"] .topbar,
:root[data-theme="dark"] .card,
:root[data-theme="dark"] .feedback,
:root[data-theme="dark"] .table-wrap,
:root[data-theme="dark"] .chart-wrap,
:root[data-theme="dark"] .theme-toggle,
:root[data-theme="dark"] .hero-points span,
:root[data-theme="dark"] .session-badge,
:root[data-theme="dark"] .origin-chip {
  background: linear-gradient(160deg, #121b28fa, #0a121df0);
  border-color: rgba(126, 232, 255, 0.14);
}

:root[data-theme="dark"] th {
  background: rgba(12, 20, 32, 0.96);
}

:root[data-theme="dark"] input {
  background: rgba(8, 15, 24, 0.92);
  border-color: rgba(126, 232, 255, 0.18);
}

@media (max-width: 1100px) {
  .auth-layout,
  .content-grid,
  .stats-grid,
  .filters-grid {
    grid-template-columns: 1fr;
  }

  .toolbar-buttons {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .shell {
    padding: 16px;
  }

  .topbar,
  .table-footer,
  .card-header,
  .topbar-actions {
    grid-template-columns: 1fr;
  }

  .topbar-actions,
  .table-footer,
  .card-header,
  .hero-points,
  .pager {
    display: grid;
  }

  .toolbar-buttons {
    grid-template-columns: 1fr;
  }

  .theme-toggle {
    width: 100%;
  }
}