:root {
  --bg: oklch(0.96 0.013 235);
  --panel: oklch(0.995 0.004 250);
  --text: oklch(0.31 0.038 247);
  --accent: oklch(0.62 0.135 240);
  --accent-2: oklch(0.54 0.128 242);
  --muted: oklch(0.52 0.028 246);
  --danger: oklch(0.58 0.19 28);
  --topbar: oklch(0.44 0.08 245);
  --topbar-2: oklch(0.52 0.08 220);
  --card-shadow: oklch(0.33 0.03 245 / 0.14);
  --line: oklch(0.9 0.018 240);
  --surface: oklch(0.995 0.004 250);
  --label: oklch(0.4 0.02 252);
  --on-accent: oklch(0.99 0 0);
  --success: oklch(0.63 0.11 150);
  --success-soft: oklch(0.95 0.03 160);
  --danger-soft: oklch(0.95 0.03 25);
  --overlay: oklch(0.29 0.03 245 / 0.42);
  --badge-bg: oklch(0.93 0.03 230);
  --badge-text: oklch(0.45 0.08 240);
  --tile-bg-a: oklch(0.985 0.01 232);
  --tile-bg-b: oklch(0.96 0.015 228);
  --tile-label: oklch(0.56 0.03 244);
  --tile-value: oklch(0.35 0.05 242);
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  min-height: 100svh;
  line-height: 1.4;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background:
    radial-gradient(circle at 8% 10%, oklch(0.95 0.03 230) 0%, transparent 34%),
    radial-gradient(circle at 85% 0%, oklch(0.96 0.03 155) 0%, transparent 36%),
    linear-gradient(180deg, oklch(0.985 0.01 230) 0%, var(--bg) 55%, oklch(0.95 0.012 230) 100%);
  color: var(--text);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.hero {
  max-width: 760px;
  margin: 12vh auto;
  background: var(--panel);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: 0 20px 50px var(--card-shadow);
  border: 1px solid var(--line);
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: 2.2rem;
}

.hero p {
  color: var(--muted);
  margin-bottom: 1.4rem;
}

.actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  border: 0;
  background: var(--accent);
  color: var(--on-accent);
  text-decoration: none;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  display: inline-block;
  cursor: pointer;
  min-height: 46px;
  font-weight: 600;
  touch-action: manipulation;
}

.btn:hover {
  background: var(--accent-2);
}

.btn-secondary {
  background: var(--success);
}

.card {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: 0 8px 24px var(--card-shadow);
  border: 1px solid var(--line);
}

.page {
  max-width: 1080px;
  margin: 1rem auto;
  padding: 0 1rem calc(2.2rem + env(safe-area-inset-bottom, 0px));
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

input,
select,
textarea,
button {
  width: 100%;
  font: inherit;
  padding: 0.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  touch-action: manipulation;
}

input,
select,
textarea {
  font-size: 16px;
}

.password-field {
  position: relative;
}

.password-field input {
  padding-right: 2.6rem;
}

.password-toggle {
  position: absolute;
  right: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2rem;
  height: 2rem;
  border: 0;
  border-radius: 999px;
  padding: 0;
  background: transparent;
  cursor: pointer;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.password-toggle:hover {
  background: oklch(0.96 0.01 240);
  color: var(--ink);
}

label {
  font-size: 0.9rem;
  color: var(--label);
  display: block;
  margin-bottom: 0.35rem;
}

.form-row {
  margin-bottom: 0.85rem;
}

.topbar {
  background: linear-gradient(90deg, var(--topbar), var(--topbar-2));
  color: var(--on-accent);
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(6px);
  padding: calc(0.75rem + env(safe-area-inset-top, 0px)) 1rem 0.8rem;
}

.topbar a {
  color: var(--on-accent);
  text-decoration: none;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
  font-size: 0.8rem;
  background: var(--badge-bg);
  color: var(--badge-text);
}

.error {
  color: var(--danger);
  font-size: 0.92rem;
}

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

.msg-list {
  max-height: 320px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.msg {
  border-left: 4px solid oklch(0.73 0.08 232);
  padding: 0.7rem;
  background: oklch(0.98 0.012 232);
  border-radius: 8px;
}

.msg-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.msg-title {
  font-weight: 700;
}

.msg-meta {
  color: var(--muted);
  font-size: 0.86rem;
}

.msg-details {
  margin-top: 0.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.2rem 0.5rem;
  font-size: 0.78rem;
  background: var(--badge-bg);
  color: var(--badge-text);
}

.request-actions {
  margin-top: 0.55rem;
  display: grid;
  gap: 0.45rem;
}

.request-actions-inline {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.admin-feedback-card {
  grid-column: 1 / -1;
}

.admin-feedback {
  margin: 0;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 0.6rem 0.75rem;
}

.admin-feedback-success {
  color: oklch(0.45 0.12 155);
  background: var(--success-soft);
  border-color: oklch(0.84 0.06 160);
}

.admin-feedback-warning {
  color: oklch(0.52 0.13 85);
  background: oklch(0.97 0.05 95);
  border-color: oklch(0.9 0.06 95);
}

.admin-feedback-error {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: oklch(0.89 0.07 28);
}

.admin-feedback-info {
  color: var(--text);
}

.admin-form {
  margin-bottom: 0.9rem;
  padding: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: oklch(0.99 0.008 236);
}

.admin-form h3 {
  margin: 0 0 0.7rem;
  font-size: 0.98rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.55rem;
}

.compact-grid {
  margin-top: 0.55rem;
}

.form-row-full {
  grid-column: 1 / -1;
}

.checkbox-row {
  display: flex;
  align-items: center;
}

.checkbox-row label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
}

.checkbox-row input[type='checkbox'] {
  width: 18px;
  height: 18px;
  margin: 0;
}

.inline-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.45rem;
}

.btn-small {
  min-height: 40px;
  padding: 0.55rem 0.7rem;
}

.btn-danger {
  background: var(--danger);
}

.btn-danger:hover {
  background: oklch(0.54 0.2 26);
}

.stats-grid {
  display: grid;
  gap: 0.6rem;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
}

.stat-tile {
  background: linear-gradient(160deg, var(--tile-bg-a) 0%, var(--tile-bg-b) 100%);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.65rem;
}

.stat-label {
  color: var(--tile-label);
  font-size: 0.8rem;
}

.stat-value {
  color: var(--tile-value);
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.15;
}

.empty-state {
  color: var(--muted);
  font-size: 0.92rem;
  background: oklch(0.98 0.01 235);
  border: 1px dashed oklch(0.87 0.02 236);
  border-radius: 10px;
  padding: 0.7rem;
}

.data-panel {
  margin-top: 0.7rem;
  padding: 0.7rem;
  border-radius: 10px;
  border: 1px solid oklch(0.9 0.017 237);
  background: oklch(0.99 0.006 236);
  max-height: 42svh;
  overflow: auto;
}

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  font-size: 0.86rem;
  line-height: 1.45;
  max-height: 42svh;
}

img {
  max-width: 100%;
  height: auto;
}

.auth-container {
  max-width: 560px;
  margin: 4vh auto;
}

.auth-header {
  text-align: center;
  margin-bottom: 1rem;
}

.auth-logo {
  margin: 0 auto 0.5rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--accent), oklch(0.72 0.09 220));
  color: var(--on-accent);
  display: grid;
  place-items: center;
  font-weight: 700;
}

.auth-form {
  margin-bottom: 1rem;
}

.auth-footer {
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
}

.auth-message {
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  margin-bottom: 0.6rem;
  font-size: 0.92rem;
}

.auth-message.success {
  background: var(--success-soft);
  color: oklch(0.44 0.08 157);
}

.auth-message.error {
  background: var(--danger-soft);
  color: oklch(0.47 0.13 24);
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--overlay);
  z-index: 50;
  padding: 1rem;
}

.modal-content {
  width: min(560px, 96vw);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 0.5rem;
  right: 0.7rem;
  font-size: 1.3rem;
  cursor: pointer;
}

@media (max-width: 720px) {
  .hero {
    margin: 2.5vh 0.8rem;
    padding: 1.2rem;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .page {
    padding: 0 0.75rem 1.5rem;
  }

  .card {
    padding: 0.9rem;
  }

  .actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .topbar {
    padding-left: 0.8rem;
    padding-right: 0.8rem;
  }

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

  .stat-value {
    font-size: 1.12rem;
  }
}

@media (min-width: 721px) and (max-width: 1024px) {
  .hero {
    margin: 7vh 1.2rem;
  }

  .page {
    padding: 0 1.2rem 2rem;
  }
}