:root {
  --bg: #0b1020;
  --panel: #121933;
  --panel-2: #0f1730;
  --text: #eef3ff;
  --muted: #aab6d6;
  --border: rgba(255,255,255,0.12);
  --accent: #6fa7ff;
  --danger: #ff6b81;
  --shadow: 0 20px 50px rgba(0,0,0,0.28);
  --radius: 18px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(111,167,255,0.15), transparent 30%),
    radial-gradient(circle at bottom right, rgba(175,111,255,0.12), transparent 30%),
    var(--bg);
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
label span, .muted { color: var(--muted); }
.stack-lg > * + * { margin-top: 16px; }
.stack-xl > * + * { margin-top: 24px; }

.admin-body { min-height: 100vh; }
.admin-topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(11,16,32,0.75);
  z-index: 20;
}
.topbar-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
  gap: 24px;
  padding: 24px;
  align-items: start;
}
.panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.form-grid {
  display: grid;
  gap: 16px;
}
.form-grid.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.section-row, .row-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.link-editor-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}
.link-editor-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}
label {
  display: grid;
  gap: 8px;
}
input[type="text"],
input[type="url"],
input[type="password"],
textarea,
input[type="file"] {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  padding: 12px 14px;
  outline: none;
}
textarea { resize: vertical; min-height: 110px; }
input:focus, textarea:focus {
  border-color: rgba(111,167,255,0.8);
  box-shadow: 0 0 0 3px rgba(111,167,255,0.18);
}
.primary-btn, .ghost-btn, .danger-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  cursor: pointer;
  font-weight: 700;
}
.primary-btn { background: var(--accent); color: #08101d; }
.ghost-btn {
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid var(--border);
}
.danger-btn { background: rgba(255,107,129,0.14); color: #ffc3ce; border: 1px solid rgba(255,107,129,0.28); }
.small { padding: 8px 12px; font-size: 14px; }
.preview-card {
  margin-top: 10px;
  border: 1px dashed var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255,255,255,0.03);
}
.header-preview {
  aspect-ratio: 3 / 1;
  width: 100%;
  object-fit: cover;
}
.profile-preview-wrap {
  display: flex;
  justify-content: center;
  padding: 18px;
}
.profile-preview {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  object-fit: cover;
}
.empty-preview {
  display: grid;
  place-items: center;
  color: var(--muted);
  background: rgba(255,255,255,0.03);
}
.mini-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  color: var(--muted);
}
.mini-preview img, .empty-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  object-fit: cover;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
}
.actions-wrap { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.success-text { color: #9dffc0; }
.error-text, .alert.error { color: #ffc3ce; }
.alert { padding: 12px 14px; background: rgba(255,107,129,0.12); border: 1px solid rgba(255,107,129,0.25); border-radius: 12px; }

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-panel {
  width: min(100%, 420px);
}

.public-body { min-height: 100vh; }
.public-wrap {
  display: grid;
  place-items: center;
  padding: 24px 16px 48px;
}
.public-card {
  width: min(100%, 720px);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.03));
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.public-header img, .default-header {
  width: 100%;
  aspect-ratio: 3 / 1;
  object-fit: cover;
}
.default-header {
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(111,167,255,0.35), rgba(175,111,255,0.35));
  color: white;
  font-size: 24px;
}
.profile-block {
  display: grid;
  justify-items: center;
  text-align: center;
  margin-top: -52px;
  padding: 0 20px 24px;
}
.profile-image-shell {
  width: 112px;
  height: 112px;
  padding: 4px;
  background: var(--bg);
  border-radius: 50%;
  border: 1px solid var(--border);
}
.public-profile-image {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}
.profile-block h1 {
  margin: 14px 0 8px;
  font-size: clamp(28px, 4vw, 36px);
}
.public-bio {
  margin: 0;
  white-space: pre-wrap;
  color: var(--muted);
  max-width: 60ch;
}
.public-links { padding: 0 18px 18px; }
.public-link-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  transition: transform 0.18s ease, background 0.18s ease;
}
.public-link-card:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,0.07);
}
.public-link-main {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.public-link-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  object-fit: cover;
  flex: 0 0 auto;
}
.public-link-title {
  font-size: 17px;
  font-weight: 700;
  overflow-wrap: anywhere;
}
.public-link-arrow {
  color: var(--muted);
  font-size: 20px;
}
.empty-state {
  padding: 20px;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 16px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .admin-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .admin-topbar, .section-row, .row-between { align-items: stretch; flex-direction: column; }
  .form-grid.two-col, .link-editor-grid { grid-template-columns: 1fr; }
  .public-wrap { padding-inline: 10px; }
  .public-links { padding-inline: 12px; }
}