:root {
  --bg: #0a0b0f;
  --bg-soft: #101219;
  --card: #14161f;
  --card-hover: #171a24;
  --border: #232634;
  --border-soft: #1c1f2b;
  --text: #eef0f5;
  --text-dim: #8b90a3;
  --text-faint: #565b6e;
  --accent: #7c5cff;
  --accent-soft: #7c5cff1a;
  --accent-2: #17d9c4;
  --danger: #ff5c7a;
  --success: #2fd47f;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font-display: 'Syne', sans-serif;
  --font-main: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --shadow-soft: 0 20px 50px -20px rgba(0,0,0,0.6);
  --shadow-btn: 0 8px 24px -8px rgba(124, 92, 255, 0.55);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

/* Ambient background mesh */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(680px circle at 12% 8%, rgba(124, 92, 255, 0.16), transparent 60%),
    radial-gradient(560px circle at 88% 18%, rgba(23, 217, 196, 0.10), transparent 60%),
    radial-gradient(900px circle at 50% 100%, rgba(124, 92, 255, 0.08), transparent 60%);
  pointer-events: none;
}

/* Topbar */
.topbar {
  border-bottom: 1px solid var(--border-soft);
  background: rgba(10,11,15,0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: #0a0b0f;
  box-shadow: 0 4px 14px -4px rgba(124, 92, 255, 0.6);
}
.admin-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
}
.admin-link:hover { color: var(--text); border-color: var(--accent); background: var(--accent-soft); }

/* Container */
.container {
  max-width: 780px;
  margin: 0 auto;
  padding: 64px 24px 100px;
}

.hero {
  text-align: center;
  margin-bottom: 44px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-2);
  background: rgba(23, 217, 196, 0.08);
  border: 1px solid rgba(23, 217, 196, 0.22);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  margin: 0 0 16px;
  line-height: 1.18;
  letter-spacing: -0.02em;
}
.hero .accent {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p {
  color: var(--text-dim);
  font-size: 1.04rem;
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.6;
}
.hero code {
  background: var(--bg-soft);
  padding: 2px 7px;
  border-radius: 6px;
  font-family: var(--font-mono);
  color: var(--accent-2);
  border: 1px solid var(--border-soft);
}

/* Card */
.card {
  background: linear-gradient(180deg, var(--card), var(--bg-soft));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-soft);
}

.card-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}
.card-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1rem;
  border: 1px solid rgba(124, 92, 255, 0.25);
}
.card-icon.success {
  background: rgba(47, 212, 127, 0.1);
  color: var(--success);
  border-color: rgba(47, 212, 127, 0.28);
}
.card-icon.lg {
  width: 56px;
  height: 56px;
  font-size: 1.4rem;
  margin: 0 auto 16px;
}
.card-title {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  margin: 0 0 2px;
}
.card-sub {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0;
}

textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
textarea::placeholder { color: var(--text-faint); }
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.options-row { margin: 18px 0; }
.checkbox-wrap {
  display: flex;
  align-items: center;
  gap: 11px;
  cursor: pointer;
  color: var(--text-dim);
  font-size: 0.88rem;
  user-select: none;
}
.checkbox-wrap input { position: absolute; opacity: 0; width: 0; height: 0; }
.checkmark {
  width: 19px;
  height: 19px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s ease;
}
.checkmark i { font-size: 0.62rem; opacity: 0; color: #0a0b0f; transition: opacity 0.15s ease; }
.checkbox-wrap input:checked + .checkmark {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
}
.checkbox-wrap input:checked + .checkmark i { opacity: 1; }
.checkbox-wrap em { color: var(--text-faint); font-style: normal; }
.checkbox-wrap code {
  background: var(--bg-soft);
  padding: 1px 6px;
  border-radius: 5px;
  font-family: var(--font-mono);
  color: var(--accent-2);
  border: 1px solid var(--border-soft);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #9b7fff);
  color: #fff;
  border: none;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 0.94rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  justify-content: center;
  box-shadow: var(--shadow-btn);
  transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -8px rgba(124, 92, 255, 0.65); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-block { width: 100%; }

.btn-secondary {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-secondary:hover { border-color: var(--accent-2); color: var(--accent-2); background: rgba(23,217,196,0.06); }

.form-msg {
  margin-top: 14px;
  font-size: 0.86rem;
  min-height: 1.2em;
  font-weight: 500;
}
.form-msg.error { color: var(--danger); }
.form-msg.success { color: var(--success); }

/* Results */
.results-card.hidden { display: none; }
.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 12px;
  flex-wrap: wrap;
}

.results-list { display: flex; flex-direction: column; gap: 10px; }
.result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  flex-wrap: wrap;
  transition: border-color 0.2s ease;
}
.result-row:hover { border-color: var(--border-soft); background: var(--card-hover); }
.result-info { min-width: 0; flex: 1; }
.result-short {
  font-family: var(--font-mono);
  color: var(--accent-2);
  font-size: 0.92rem;
  font-weight: 500;
  word-break: break-all;
}
.result-original {
  color: var(--text-faint);
  font-size: 0.76rem;
  word-break: break-all;
  margin-top: 3px;
}
.copy-row-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  flex-shrink: 0;
}
.copy-row-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.copy-row-btn.copied { border-color: var(--success); color: var(--success); background: rgba(47,212,127,0.08); }

/* Feature strip */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: left;
}
.feature i {
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 10px;
  display: block;
}
.feature h3 {
  font-family: var(--font-display);
  font-size: 0.94rem;
  margin: 0 0 6px;
  font-weight: 700;
}
.feature p {
  color: var(--text-dim);
  font-size: 0.82rem;
  line-height: 1.5;
  margin: 0;
}

.footer {
  text-align: center;
  padding: 28px 20px;
  color: var(--text-faint);
  font-size: 0.8rem;
  border-top: 1px solid var(--border-soft);
}

/* 404 page */
.error-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
}
.error-wrap { padding: 20px; }
.error-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: rgba(255, 92, 122, 0.1);
  border: 1px solid rgba(255, 92, 122, 0.28);
  color: var(--danger);
  font-size: 1.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.error-wrap h1 {
  font-family: var(--font-display);
  font-size: 4.6rem;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.03em;
  background: linear-gradient(90deg, var(--danger), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.error-sub { color: var(--text-dim); margin: 10px 0 28px; }

/* Admin */
.admin-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  text-align: center;
}
.login-card h1 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 6px;
}
.login-sub { color: var(--text-dim); font-size: 0.87rem; margin: 0; }
.login-card input[type=password] {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1rem;
  outline: none;
  margin: 20px 0 6px;
  text-align: center;
  letter-spacing: 3px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.login-card input[type=password]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 0.82rem;
  color: var(--text-faint);
  transition: color 0.2s ease;
}
.back-link:hover { color: var(--text-dim); }

.admin-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 40px 24px 100px;
}
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}
.admin-header h1 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  margin: 8px 0 0;
  letter-spacing: -0.01em;
}
.stat-group { display: flex; gap: 10px; }
.stat-pill {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.stat-pill i { color: var(--accent); }

.table-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}
table.links-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
}
table.links-table th, table.links-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.86rem;
  vertical-align: middle;
}
table.links-table th {
  color: var(--text-faint);
  font-weight: 600;
  background: var(--bg-soft);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
table.links-table tbody tr { transition: background 0.15s ease; }
table.links-table tbody tr:hover { background: var(--card-hover); }
table.links-table tr:last-child td { border-bottom: none; }
.slug-cell { font-family: var(--font-mono); color: var(--accent-2); white-space: nowrap; font-size: 0.82rem; }
.click-badge {
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--text-dim);
  font-weight: 600;
}
.url-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 11px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  transition: border-color 0.2s ease;
}
.url-input:focus { border-color: var(--accent); outline: none; }
.row-actions { display: flex; gap: 8px; }
.icon-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 34px;
  height: 34px;
  border-radius: 9px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  font-size: 0.82rem;
}
.icon-btn.save:hover { border-color: var(--success); color: var(--success); background: rgba(47,212,127,0.08); }
.icon-btn.delete:hover { border-color: var(--danger); color: var(--danger); background: rgba(255,92,122,0.08); }
.icon-btn.copy:hover { border-color: var(--accent-2); color: var(--accent-2); background: rgba(23,217,196,0.08); }

.empty-state {
  text-align: center;
  padding: 70px 20px;
  color: var(--text-dim);
}
.empty-state i { font-size: 2.2rem; margin-bottom: 14px; display: block; color: var(--text-faint); }
.empty-state p { margin: 0; }

@media (max-width: 760px) {
  .features { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .hero h1 { font-size: 1.9rem; }
  .admin-link span { display: none; }
  table.links-table thead { display: none; }
  table.links-table, table.links-table tbody, table.links-table tr, table.links-table td {
    display: block; width: 100%;
  }
  table.links-table tr {
    border-bottom: 1px solid var(--border-soft);
    padding: 14px 16px;
  }
  table.links-table td { border-bottom: none; padding: 6px 0; }
  table.links-table td::before {
    content: attr(data-label);
    display: block;
    font-size: 0.68rem;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
  }
}