:root {
  color-scheme: light;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  letter-spacing: -0.01em;
  transition: background 0.6s ease, color 0.3s ease;
  background: var(--bg-gradient);
  color: var(--text-primary);
  position: relative;
  overflow-x: hidden;
  --bg-gradient: radial-gradient(circle at 8% 12%, rgba(99, 102, 241, 0.18), transparent 55%),
    radial-gradient(circle at 80% -10%, rgba(236, 72, 153, 0.18), transparent 60%),
    radial-gradient(circle at 40% 100%, rgba(34, 211, 238, 0.18), transparent 65%),
    #edf2fb;
  --surface-primary: rgba(255, 255, 255, 0.65);
  --surface-secondary: rgba(255, 255, 255, 0.4);
  --surface-strong: rgba(255, 255, 255, 0.85);
  --border-color: rgba(148, 163, 184, 0.35);
  --text-primary: #0f172a;
  --text-secondary: #1f2937;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-strong: #4f46e5;
  --focus-ring: rgba(99, 102, 241, 0.45);
  --shadow-color: rgba(15, 23, 42, 0.16);
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition-base: 0.35s ease;
}

body.theme-dark {
  color-scheme: dark;
  --bg-gradient: radial-gradient(circle at 10% 10%, rgba(129, 140, 248, 0.14), transparent 52%),
    radial-gradient(circle at 80% 0%, rgba(236, 72, 153, 0.18), transparent 58%),
    radial-gradient(circle at 82% 92%, rgba(45, 212, 191, 0.18), transparent 60%),
    #030712;
  --surface-primary: rgba(15, 23, 42, 0.62);
  --surface-secondary: rgba(15, 23, 42, 0.48);
  --surface-strong: rgba(15, 23, 42, 0.76);
  --border-color: rgba(148, 163, 184, 0.24);
  --text-primary: #e2e8f0;
  --text-secondary: #cbd5f5;
  --text-muted: #94a3b8;
  --accent: #8b5cf6;
  --accent-strong: #a855f7;
  --focus-ring: rgba(139, 92, 246, 0.48);
  --shadow-color: rgba(2, 6, 23, 0.6);
}

body.theme-light {
  color-scheme: light;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--accent);
}

img {
  max-width: 100%;
  display: block;
}

.app-background {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  overflow: hidden;
}

.app-background::before,
.app-background::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.9;
  transition: opacity var(--transition-base);
}

.app-background::before {
  width: 55vw;
  height: 55vw;
  top: -20vw;
  left: -18vw;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.45), transparent 70%);
}

.app-background::after {
  width: 48vw;
  height: 48vw;
  bottom: -18vw;
  right: -16vw;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.4), transparent 65%);
}

body.theme-dark .app-background::before {
  background: radial-gradient(circle, rgba(99, 102, 241, 0.35), transparent 70%);
}

body.theme-dark .app-background::after {
  background: radial-gradient(circle, rgba(45, 212, 191, 0.35), transparent 70%);
}

.app-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4vw, 40px);
  padding: clamp(20px, 5vw, 48px);
}

.app-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: clamp(14px, 2vw, 20px) clamp(18px, 3vw, 26px);
  border-radius: var(--radius-xl);
  background: var(--surface-primary);
  border: 1px solid var(--border-color);
  box-shadow: 0 24px 60px -36px var(--shadow-color);
  backdrop-filter: blur(26px);
  -webkit-backdrop-filter: blur(26px);
}

.app-header__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.brand__icon {
  width: 42px;
  height: 42px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: var(--surface-secondary);
  border: 1px solid var(--border-color);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
  font-size: 1.25rem;
}

.app-header__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.app-header__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.pill-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--surface-secondary);
  border: 1px solid transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-base);
}

.pill-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.pill-link[aria-current="page"] {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.icon-button {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--surface-secondary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.icon-button:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.icon-button span {
  font-size: 1.1rem;
}

.icon-button .icon-moon {
  display: none;
}

body.theme-dark .icon-button .icon-sun {
  display: none;
}

body.theme-dark .icon-button .icon-moon {
  display: inline;
}

.app-main {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4vw, 36px);
}

.page {
  width: min(1140px, 100%);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 3vw, 32px);
}

.page--narrow {
  width: min(720px, 100%);
}

.page--center {
  min-height: clamp(480px, 70vh, 760px);
  display: flex;
  justify-content: center;
  align-items: center;
}

.page--wide {
  width: min(1280px, 100%);
}

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

.glass-panel {
  background: var(--surface-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: clamp(20px, 3vw, 32px);
  box-shadow: 0 32px 70px -40px var(--shadow-color);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.glass-panel--inset {
  background: var(--surface-secondary);
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.section-heading__title {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.section-heading__subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.hero {
  position: relative;
  overflow: hidden;
  background: var(--surface-primary);
  border-radius: calc(var(--radius-xl) + 6px);
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--border-color);
  box-shadow: 0 36px 80px -48px var(--shadow-color);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: calc(var(--radius-xl));
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(236, 72, 153, 0.08));
  opacity: 0.65;
  filter: blur(30px);
  z-index: 0;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero__title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin: 0 0 12px;
  letter-spacing: -0.04em;
}

.hero__text {
  margin: 0;
  max-width: 520px;
  color: var(--text-secondary);
  font-size: 1.02rem;
}

.hero__actions {
  margin-top: clamp(20px, 3vw, 28px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button,
button.button {
  appearance: none;
  border: none;
  outline: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  border-radius: 999px;
  padding: 0.75rem 1.45rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), color var(--transition-base);
}

.button--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 18px 40px -24px var(--accent);
}

.button--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 42px -22px var(--accent);
}

.button--ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.button--ghost:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.button--subtle {
  background: var(--surface-secondary);
  color: var(--text-primary);
}

.button--danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #fff;
}

.button--icon {
  padding: 0.6rem;
  border-radius: var(--radius-sm);
}

.button[disabled],
.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  background: var(--surface-secondary);
  color: var(--accent);
}

.badge--neutral {
  color: var(--text-muted);
}

.badge--success {
  color: var(--success);
}

.badge--danger {
  color: var(--danger);
}

.form-card {
  width: min(540px, 100%);
  margin: 0 auto;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--text-primary);
}

.form-field label {
  font-weight: 600;
  font-size: 0.92rem;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="date"],
input[type="file"],
select,
textarea {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 12px 14px;
  font-size: 0.98rem;
  background: var(--surface-strong);
  color: var(--text-primary);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

input[type="file"] {
  padding: 10px 14px;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-start;
}

.table-card {
  padding: 0;
  overflow: hidden;
  background: var(--surface-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: 0 32px 70px -46px var(--shadow-color);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
}

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

@media (min-width: 769px) {
  table {
    min-width: 820px;
  }
}

thead th {
  text-align: left;
  padding: 16px 20px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

tbody tr {
  transition: background var(--transition-base);
}

tbody tr:hover {
  background: var(--surface-secondary);
}

th,
td {
  padding: 16px 20px;
  vertical-align: middle;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

td[data-label]::before {
  content: attr(data-label);
  display: none;
  font-weight: 600;
  color: var(--text-muted);
  margin-right: 14px;
}

.table-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.icon-link {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--surface-secondary);
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.icon-link:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.avatar {
  width: 72px;
  height: 72px;
  border-radius: 24px;
  background: var(--surface-secondary);
  display: grid;
  place-items: center;
  font-size: 1.75rem;
  color: var(--accent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.alerts {
  width: min(640px, 100%);
  margin: 0 auto;
}

.alert {
  display: flex;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--surface-secondary);
  color: var(--text-primary);
  box-shadow: 0 20px 40px -32px var(--shadow-color);
}

.alert__icon {
  font-size: 1.25rem;
}

.alert--success {
  border-color: rgba(16, 185, 129, 0.4);
  color: var(--success);
}

.alert--error {
  border-color: rgba(239, 68, 68, 0.4);
  color: var(--danger);
}

.alert--warning {
  border-color: rgba(245, 158, 11, 0.4);
  color: var(--warning);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.metric-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background: var(--surface-secondary);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.metric-card__value {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.metric-card__label {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.list-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--surface-secondary);
  border: 1px solid transparent;
  transition: transform var(--transition-base), border var(--transition-base);
}

.list-item:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.qr-card {
  display: grid;
  gap: 16px;
  justify-items: center;
  text-align: center;
}

.qr-card img {
  width: min(220px, 100%);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--surface-strong);
  padding: 12px;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.status-dot--success {
  background: var(--success);
}

.status-dot--danger {
  background: var(--danger);
}

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

.text-muted {
  color: var(--text-muted);
}

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

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card-link {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background: var(--surface-primary);
  transition: transform var(--transition-base), border var(--transition-base), box-shadow var(--transition-base);
}

.card-link:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 26px 60px -46px var(--accent);
}

.card-link__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0;
}

.card-link__text {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.media {
  display: flex;
  align-items: center;
  gap: 12px;
}

.media__icon {
  width: 42px;
  height: 42px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--surface-secondary);
  font-size: 1.25rem;
}

@media (max-width: 1024px) {
  .app-shell {
    padding: clamp(18px, 4vw, 32px);
  }

  .app-header {
    grid-template-columns: 1fr;
    justify-items: stretch;
    text-align: center;
  }

  .app-header__actions {
    justify-content: center;
  }

  .app-header__brand {
    justify-content: center;
  }

  .app-header__nav {
    order: 3;
  }
}

@media (max-width: 768px) {
  table {
    min-width: 100%;
  }

  .table-wrap {
    overflow-x: visible;
  }

  .hero__text {
    max-width: 100%;
  }
}

@media (max-width: 600px) {
  body {
    line-height: 1.5;
  }

  .hero {
    padding: 26px 22px;
  }

  .button,
  button.button {
    width: 100%;
  }

  .app-header {
    gap: 16px;
  }

  .app-header__nav {
    justify-content: flex-start;
    overflow-x: auto;
    padding: 4px 10px 8px;
    margin: 0 -10px;
    scrollbar-width: none;
    flex-wrap: nowrap;
  }

  .app-header__nav::-webkit-scrollbar {
    display: none;
  }

  .app-header__actions {
    justify-content: center;
    width: 100%;
    align-items: stretch;
  }

  .app-header__actions .badge {
    justify-content: center;
  }

  .app-header__actions .icon-button {
    align-self: center;
  }

  .table-card {
    padding: 16px;
  }

  .table-wrap {
    overflow: visible;
  }

  thead {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    border: 0;
    padding: 0;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    overflow: hidden;
    white-space: nowrap;
  }

  tbody {
    display: block;
  }

  tbody tr {
    display: block;
    margin: 0;
    padding: 16px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--surface-secondary);
    box-shadow: none;
  }

  tbody tr + tr {
    margin-top: 16px;
  }

  tbody tr:hover {
    background: var(--surface-secondary);
  }

  td,
  th {
    padding: 0;
    border: 0;
  }

  td + td {
    margin-top: 12px;
  }

  td[data-label] {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
  }

  td[data-label]::before {
    display: inline-flex;
    font-weight: 600;
    color: var(--text-muted);
  }

  .table-actions {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 8px;
  }
}