/* ── Porkbun brand tokens ── */
:root {
  --pb-accent:       #EF7878;
  --pb-accent-hover: #DC6070;
}

/* ── Light theme (default) ── */
:root,
[data-theme="light"] {
  --bg:           #f5f5f7;
  --surface:      #ffffff;
  --border:       #e0e0e0;
  --text-primary: #1a1a1a;
  --text-muted:   #6e6e73;
  --input-bg:     #ffffff;
  --shadow:       0 4px 24px rgba(0, 0, 0, 0.08);
}

/* ── Dark theme ── */
[data-theme="dark"] {
  --bg:           #0d0d0d;
  --surface:      #1c1c1e;
  --border:       #2c2c2e;
  --text-primary: #f5f5f7;
  --text-muted:   #8e8e93;
  --input-bg:     #2c2c2e;
  --shadow:       0 4px 24px rgba(0, 0, 0, 0.4);
}

/* ── System preference (applied when theme = "system" or no override) ── */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    --bg:           #0d0d0d;
    --surface:      #1c1c1e;
    --border:       #2c2c2e;
    --text-primary: #f5f5f7;
    --text-muted:   #8e8e93;
    --input-bg:     #2c2c2e;
    --shadow:       0 4px 24px rgba(0, 0, 0, 0.4);
  }
}

/* ── Reset & base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  transition: background 0.25s ease, color 0.25s ease;
}

/* ── Theme toggle ── */
.theme-toggle {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  display: flex;
  gap: 0.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2rem;
  padding: 0.25rem;
  box-shadow: var(--shadow);
}

.theme-toggle button {
  background: none;
  border: none;
  border-radius: 1.5rem;
  padding: 0.35rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
  letter-spacing: 0.02em;
}

.theme-toggle button:hover {
  color: var(--text-primary);
}

.theme-toggle button.active {
  background: var(--pb-accent);
  color: #fff;
}

/* ── Main content ── */
main {
  width: min(480px, calc(100vw - 2rem));
  text-align: center;
  padding: 2rem 0;
}

main h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

main .domain-name {
  color: var(--pb-accent);
  word-break: break-all;
}

main p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

/* ── Search form ── */
.search-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.search-form label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  text-align: left;
}

.search-form input[type="text"] {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.625rem;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-form input[type="text"]::placeholder {
  color: var(--text-muted);
}

.search-form input[type="text"]:focus {
  border-color: var(--pb-accent);
  box-shadow: 0 0 0 3px rgba(239, 120, 120, 0.2);
}

.search-form button[type="submit"] {
  padding: 0.75rem 1rem;
  background: var(--pb-accent);
  color: #fff;
  border: none;
  border-radius: 0.625rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
}

.search-form button[type="submit"]:hover {
  background: var(--pb-accent-hover);
}

.search-form button[type="submit"]:active {
  transform: scale(0.98);
}

.powered-by {
  margin-top: 1.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.powered-by a {
  color: var(--pb-accent);
  text-decoration: none;
}

.powered-by a:hover {
  text-decoration: underline;
}