@font-face {
  font-family: 'Space Grotesk';
  src: url('/fonts/SpaceGrotesk.ttf') format('truetype');
  font-weight: 300 700;
  font-display: swap;
}

:root {
  --capsule-bg-from: 244 245 249;
  --capsule-bg-to: 226 231 238;
  --capsule-border: 20 23 30 / .06;
  --bg: #f5f7fa;
  --bg-elevated: #ffffff;
  --fg: #14171e;
  --fg-muted: #64748b;
  --fg-subtle: #94a3b8;
  --border: #e2e6ea;
  --border-hover: #cbd5e1;
  --accent: #0ea5e9;
  --accent-hover: #0c8cc8;
  --accent-fg: #ffffff;
  --accent-soft: rgba(14, 165, 233, 0.1);
  --accent-soft-strong: rgba(14, 165, 233, 0.16);
  --accent-rgb: 14, 165, 233;
  --success: #16a34a;
  --danger: #dc2626;
  --star: #f59e0b;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --nav-h: 64px;
  --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.07), 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10), 0 4px 10px rgba(15, 23, 42, 0.05);
  --shadow-glow: 0 8px 24px rgba(var(--accent-rgb), 0.28);
}

html.dark {
  --capsule-bg-from: 20 26 34;
  --capsule-bg-to: 6 8 11;
  --capsule-border: 255 255 255 / .06;
  --bg: #0e1116;
  --bg-elevated: #1a1d24;
  --fg: #e6e6e6;
  --fg-muted: #9ca3af;
  --fg-subtle: #6b7280;
  --border: #2a2f3a;
  --border-hover: #3a4150;
  --accent: #22d3ee;
  --accent-hover: #2ddcfa;
  --accent-fg: #071019;
  --accent-soft: rgba(34, 211, 238, 0.1);
  --accent-soft-strong: rgba(34, 211, 238, 0.16);
  --accent-rgb: 34, 211, 238;
  --star: #fbbf24;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 8px 28px rgba(var(--accent-rgb), 0.22);
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at 50% 0%, rgb(var(--capsule-bg-from)), rgb(var(--capsule-bg-to)) 60%);
  background-color: var(--bg);
  color: var(--fg);
  line-height: 1.65;
  letter-spacing: 0.3px;
  min-height: 100vh;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 5vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 500; }
h3 { font-size: 1.0625rem; font-weight: 600; }

.page-capsule {
  position: fixed;
  top: 10px;
  left: 10px;
  right: 10px;
  bottom: 10px;
  border-radius: 0.9rem;
  border: 1px solid rgb(var(--capsule-border));
  background-color: var(--bg);
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--border-hover) transparent;
}

.page-capsule::-webkit-scrollbar { width: 10px; }
.page-capsule::-webkit-scrollbar-track { background: transparent; margin-block: 1.5rem; }
.page-capsule::-webkit-scrollbar-thumb {
  background-color: var(--border-hover);
  border-radius: 999px;
  border: 2px solid var(--bg);
}
.page-capsule::-webkit-scrollbar-thumb:hover { background-color: var(--fg-subtle); }

@media (max-width: 900px) {
  .page-capsule { top: 5px; left: 5px; right: 5px; bottom: 5px; border-radius: 0.75rem; }
  .nav { border-top-left-radius: 0.75rem; border-top-right-radius: 0.75rem; }
}

/* ── Nav ── */
.nav {
  position: sticky;
  top: 0;
  height: var(--nav-h);
  background: rgba(245, 247, 250, 0.75);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--border);
  border-top-left-radius: 0.9rem;
  border-top-right-radius: 0.9rem;
  z-index: 100;
}

html.dark .nav {
  background: rgba(14, 17, 22, 0.72);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--fg);
}

.logo img { border-radius: 6px; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-link-btn {
  padding: 0.5rem 0.8rem;
  font-size: 0.9375rem;
  color: var(--fg-muted);
  transition: color 0.2s ease;
  white-space: nowrap;
}
.nav-link-btn:hover { color: var(--accent); }

.theme-toggle {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--fg-muted);
  border: 1px solid transparent;
  background: none;
  transition: all 0.2s ease;
}
.theme-toggle:hover {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: rgba(var(--accent-rgb), 0.2);
}
.theme-toggle .sun { display: none; }
.theme-toggle .moon { display: block; }
html.dark .theme-toggle .sun { display: block; }
html.dark .theme-toggle .moon { display: none; }

/* ── Container / layout ── */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.page-header {
  padding: 3rem 0 2rem;
  text-align: center;
}

.overline {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(var(--accent-rgb), 0.22);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.25rem;
}

.overline::before {
  content: '';
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.18);
}

.lead {
  font-size: 1.0625rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0.75rem auto 0;
}

/* ── Buttons ── */
.btn-primary, .btn-secondary, .btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: var(--accent-fg);
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.03); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--fg);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

.btn-danger {
  background: rgba(220, 38, 38, 0.1);
  color: var(--danger);
  border: 1px solid rgba(220, 38, 38, 0.25);
}
.btn-danger:hover { background: rgba(220, 38, 38, 0.18); }

.btn-sm { padding: 0.5rem 0.9rem; font-size: 0.8125rem; }
.btn-full { width: 100%; }

/* ── Cards ── */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.review-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.review-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.review-author {
  font-weight: 600;
  font-size: 0.9375rem;
}

.review-meta {
  font-size: 0.8125rem;
  color: var(--fg-subtle);
  margin-top: 0.15rem;
}

.stars {
  display: inline-flex;
  gap: 0.15rem;
  color: var(--star);
}

.stars svg { width: 16px; height: 16px; }

.review-title {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

.review-body {
  color: var(--fg-muted);
  font-size: 0.9375rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.review-reply {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  border: 1px solid rgba(var(--accent-rgb), 0.18);
}

.review-reply-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--accent);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.review-reply-body {
  font-size: 0.9rem;
  color: var(--fg);
  white-space: pre-wrap;
  word-break: break-word;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent);
}

/* ── Forms ── */
.form-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 2rem;
}

.input-group { margin-bottom: 1.25rem; }

.input-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.input-hint {
  font-size: 0.8rem;
  color: var(--fg-subtle);
  margin-top: 0.35rem;
}

.input-field, textarea.input-field {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background-color: var(--bg);
  color: var(--fg);
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}

.input-field:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

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

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

.radio-option {
  flex: 1;
  min-width: 140px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.875rem;
}

.radio-option:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.star-picker {
  display: inline-flex;
  gap: 0.3rem;
}

.star-picker button {
  background: none;
  border: none;
  color: var(--border-hover);
  padding: 0.15rem;
  transition: color 0.15s ease, transform 0.15s ease;
}

.star-picker button svg { width: 28px; height: 28px; }
.star-picker button.active,
.star-picker button:hover { color: var(--star); transform: scale(1.08); }

.msg {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}

.msg--error {
  background-color: rgba(220, 38, 38, 0.1);
  border: 1px solid rgba(220, 38, 38, 0.25);
  color: var(--danger);
}

.msg--success {
  background-color: rgba(22, 163, 74, 0.1);
  border: 1px solid rgba(22, 163, 74, 0.25);
  color: var(--success);
}

html.dark .msg--error { color: #f87171; }
html.dark .msg--success { color: #4ade80; }

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--fg-subtle);
}

/* ── Stats strip ── */
.stats-strip {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 2rem 0;
  flex-wrap: wrap;
}

.stat-item { text-align: center; }
.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--fg);
}
.stat-label {
  font-size: 0.8125rem;
  color: var(--fg-subtle);
}

/* ── Utility ── */
.section { padding: 1.5rem 0 3rem; }
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .form-card { padding: 1.25rem; }
  .stats-strip { gap: 1.5rem; }
}