:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #273449;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-hover: #0ea5e9;
  --danger: #ef4444;
  --success: #22c55e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px;
}

header.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 20px;
}

header.topbar h1 {
  margin: 0;
  font-size: 20px;
  letter-spacing: 0.3px;
}

.user-info { display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: 14px; }

button, .btn {
  background: var(--accent);
  color: #0b1220;
  border: 0;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
}
button:hover, .btn:hover { background: var(--accent-hover); }
button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
button.ghost:hover { background: var(--panel-2); }
button.danger { background: var(--danger); color: #fff; }
button.danger:hover { background: #dc2626; }

input, textarea, select {
  width: 100%;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.toolbar .grow { flex: 1 1 220px; }
.toolbar select { max-width: 220px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.add-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}
.add-form .full { grid-column: 1 / -1; }
.add-form .actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; gap: 8px; }

.links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.link-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.link-card .title {
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
  word-break: break-word;
}
.link-card .url {
  color: var(--accent);
  font-size: 13px;
  word-break: break-all;
}
.link-card .desc {
  color: var(--muted);
  font-size: 13px;
  word-break: break-word;
}
.link-card .meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  font-size: 12px;
  color: var(--muted);
}
.link-card .badge {
  background: var(--panel-2);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
}
.link-card .actions { display: flex; gap: 6px; }
.link-card .actions button {
  font-size: 12px;
  padding: 4px 8px;
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 40px 0;
}

/* Login page */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-box {
  width: 100%;
  max-width: 380px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}
.login-box h1 {
  margin: 0 0 20px;
  font-size: 22px;
  text-align: center;
}
.login-box label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin: 12px 0 4px;
}
.login-box button {
  width: 100%;
  margin-top: 18px;
  padding: 10px;
}
.error {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  padding: 10px;
  border-radius: 6px;
  font-size: 13px;
  margin-top: 12px;
  display: none;
}
.error.show { display: block; }

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
}
.modal-backdrop.show { display: flex; }
.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  width: 100%;
  max-width: 480px;
}
.modal h2 { margin-top: 0; font-size: 18px; }
.modal .row { margin-bottom: 10px; }
.modal label { font-size: 13px; color: var(--muted); display: block; margin-bottom: 4px; }
.modal .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }