* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-secondary: #1e293b;
  --accent: #38bdf8;
  --accent-dim: rgba(56, 189, 248, 0.15);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --border: rgba(56, 189, 248, 0.2);
  --error: #f87171;
  --success: #4ade80;
}
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}
main {
  min-width: 0;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: rgba(15, 23, 42, 0.95);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.logo:hover { color: #7dd3fc; }
.nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}
.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav a:hover { color: var(--accent); }
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
  border: none;
  cursor: pointer;
  font-family: inherit;
}
.btn-outline {
  color: var(--accent);
  border: 1px solid var(--accent);
  background: transparent;
}
.btn-outline:hover { opacity: 0.9; }
.btn-primary {
  background: var(--accent);
  color: var(--bg-dark);
  border: none;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-danger { background: #dc2626; color: #fff; }
.btn-danger:hover { opacity: 0.9; }

.hero {
  text-align: center;
  padding: 4rem 1.5rem 3rem;
  max-width: 720px;
  margin: 0 auto;
}
.hero .badge {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border);
}
.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: #f8fafc;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.hero .subdomain-example {
  font-family: ui-monospace, monospace;
  font-size: 1.125rem;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  display: inline-block;
  margin: 1rem 0;
  border: 1px solid var(--border);
}
.hero p { color: #b8c5d4; font-size: 1rem; }

.section-header {
  padding: 0 1.5rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}
.section-header .breadcrumb { font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.section-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #f8fafc;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.products {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.card:hover {
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}
.card h3 { font-size: 1.25rem; font-weight: 600; color: #f8fafc; margin-bottom: 0.25rem; }
.card .subheading { font-size: 0.8125rem; color: var(--accent); margin-bottom: 1rem; }
.card p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  flex-grow: 1;
  margin-bottom: 1.25rem;
}
.card .price { font-size: 1.25rem; font-weight: 700; color: var(--accent); margin-bottom: 0.5rem; }
.card .price-note { font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 1rem; }
.card .btn { margin-top: auto; justify-content: center; }

.features {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  border-top: 1px solid var(--border);
}
.features h2 { font-size: 1.5rem; font-weight: 600; color: #f8fafc; text-align: center; margin-bottom: 2rem; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.feature { text-align: center; padding: 1.25rem; }
.feature .icon {
  width: 48px; height: 48px;
  margin: 0 auto 1rem;
  background: var(--accent-dim);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.5rem;
}
.feature h4 { font-size: 1rem; color: #f8fafc; margin-bottom: 0.5rem; }
.feature p { font-size: 0.875rem; color: var(--text-muted); }

.footer {
  text-align: center;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--border);
  background: rgba(30, 41, 59, 0.5);
}
.footer .footer-contact {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: 1rem;
  transition: opacity 0.2s;
}
.footer .footer-contact:hover { opacity: 0.85; }
.footer .footer-contact svg { width: 22px; height: 22px; }
.footer .copy { font-size: 0.8125rem; color: var(--text-muted); }

/* Form */
.form-page {
  max-width: 420px;
  margin: 2rem auto 4rem;
  padding: 0 1.5rem;
}
.form-page h1 { font-size: 1.5rem; color: #f8fafc; margin-bottom: 1.5rem; text-align: center; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.form-group input {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg-card);
  color: var(--text);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-group textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg-card);
  color: var(--text);
  font-family: inherit;
  resize: vertical;
}
.form-group .hint { font-size: 0.8125rem; color: var(--text-muted); margin-top: 0.35rem; }
.alert {
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
}
.alert-error { background: rgba(248, 113, 113, 0.15); color: var(--error); border: 1px solid rgba(248, 113, 113, 0.4); }
.alert-success { background: rgba(74, 222, 128, 0.15); color: var(--success); border: 1px solid rgba(74, 222, 128, 0.4); }
.form-page .btn { width: 100%; justify-content: center; padding: 0.75rem; }
.form-page .footer-links { text-align: center; margin-top: 1.5rem; }
.form-page .footer-links a { color: var(--accent); text-decoration: none; font-size: 0.9375rem; }
.form-page .footer-links a:hover { text-decoration: underline; }

/* Dashboard */
.dashboard { max-width: 900px; margin: 0 auto; padding: 2rem 1.5rem 4rem; }
.dashboard h1 { font-size: 1.5rem; color: #f8fafc; margin-bottom: 1.5rem; }
.dashboard .welcome { color: var(--text-muted); margin-bottom: 2rem; }
.table-wrap { overflow-x: auto; background: var(--bg-card); border: 1px solid var(--border); border-radius: 0.75rem; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
th { font-size: 0.8125rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; }
tr:last-child td { border-bottom: none; }
td .mono { font-family: ui-monospace, monospace; color: var(--accent); }

/* Records / Hostname create page */
.records-page { max-width: 900px; margin: 0 auto; padding: 2rem 1.5rem 4rem; }
.records-page .breadcrumb { font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.records-title { font-size: 1.5rem; font-weight: 600; color: #f8fafc; margin-bottom: 1.25rem; }
.records-toolbar { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.server-buttons { display: inline-flex; flex-wrap: wrap; gap: 0.5rem; }
.btn-server { font-size: 0.8125rem; padding: 0.4rem 0.75rem; }
.bulk-ip-wrap { display: inline-flex; align-items: center; gap: 0.5rem; }
.bulk-ip-input { width: 180px; padding: 0.5rem 0.75rem; font-size: 0.875rem; border: 1px solid var(--border); border-radius: 0.5rem; background: var(--bg-card); color: var(--text); }
.bulk-ip-input::placeholder { color: var(--text-muted); }
.btn-create-hostname {
  background: #22c55e;
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  cursor: pointer;
}
.btn-create-hostname:hover { background: #16a34a; opacity: 0.95; }
.quota-badge {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 500;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--border);
}
.record-form-wrap { margin-bottom: 2rem; }
.record-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
}
.record-form .form-row { display: grid; grid-template-columns: minmax(140px, auto) 1fr; gap: 1rem; margin-bottom: 1rem; }
.record-form .form-row.form-row-checkboxes { display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: center; margin-bottom: 1.25rem; }
.record-form .form-group label { display: block; font-size: 0.875rem; font-weight: 500; color: var(--text); margin-bottom: 0.5rem; }
.record-form .form-group input,
.record-form .form-group select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 0.9375rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg-dark);
  color: var(--text);
}
.record-form .form-group select:disabled,
.record-form .form-group input:disabled { opacity: 0.7; cursor: not-allowed; }
.record-form .form-group .hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.35rem; }
.record-form .form-group-host { grid-column: span 1; }
.host-input-wrap { display: flex; align-items: stretch; border: 1px solid var(--border); border-radius: 0.5rem; overflow: hidden; background: var(--bg-dark); }
.host-input-wrap input[type="text"] { border: none; border-radius: 0; flex: 1 1 auto; min-width: 20rem; width: 100%; }
.host-suffix { padding: 0.5rem 0.75rem; font-size: 0.9375rem; color: var(--text-muted); background: rgba(0,0,0,0.2); display: flex; align-items: center; }
.host-suffix-prefix { padding: 0 0.25rem 0 0; font-size: 0.9375rem; color: var(--text-muted); display: flex; align-items: center; }
.host-suffix-select { padding: 0.5rem 0.75rem; font-size: 0.9375rem; color: var(--text); background: rgba(0,0,0,0.2); border: none; border-left: 1px solid var(--border); cursor: pointer; min-width: 0; }
.record-form .form-actions { display: flex; gap: 0.75rem; justify-content: flex-end; margin-top: 1rem; }
.btn-create { background: #22c55e; color: #fff; padding: 0.5rem 1.25rem; border: none; border-radius: 0.5rem; font-weight: 600; cursor: pointer; }
.btn-create:hover { background: #16a34a; }
.record-form .checkbox-label { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; color: var(--text-muted); cursor: pointer; }
.record-form .checkbox-label input { width: auto; }
.records-empty { color: var(--text-muted); font-size: 0.9375rem; margin-bottom: 1.5rem; }
.records-list-title { font-size: 1.125rem; color: #f8fafc; margin-bottom: 0.75rem; }
.records-list { margin-top: 2rem; }

/* Nameserver bilgi sayfası */
.records-desc { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 0.9375rem; }
.ns-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 0.75rem; padding: 1.5rem; }
.ns-card h2 { font-size: 1.125rem; color: #f8fafc; margin-bottom: 1rem; }
.ns-card h3 { font-size: 1rem; color: var(--accent); margin: 1.25rem 0 0.5rem; }
.ns-table { width: 100%; border-collapse: collapse; margin-bottom: 1rem; }
.ns-table th, .ns-table td { padding: 0.5rem 0.75rem; text-align: left; border-bottom: 1px solid var(--border); }
.ns-table th { font-size: 0.8125rem; color: var(--text-muted); }
.ns-table code { background: var(--accent-dim); padding: 0.2rem 0.5rem; border-radius: 0.25rem; font-size: 0.9375rem; }
.ns-steps { margin-top: 1rem; }
.ns-steps ol { padding-left: 1.25rem; color: var(--text-muted); font-size: 0.9375rem; line-height: 1.7; }
.ns-steps li { margin-bottom: 0.5rem; }
.ns-steps ul { margin: 0.35rem 0 0 1rem; }
.ns-copy { font-size: 0.875rem; color: var(--text-muted); margin-top: 1.25rem; margin-bottom: 0.5rem; }
.ns-copybox { background: var(--bg-dark); border: 1px solid var(--border); border-radius: 0.5rem; padding: 0.75rem 1rem; font-family: ui-monospace, monospace; font-size: 0.875rem; color: var(--accent); }

@media (max-width: 640px) {
  .record-form .form-row { grid-template-columns: 1fr; }
  .host-input-wrap input[type="text"] { min-width: 12rem; }
}

@media (max-width: 640px) {
  .header { padding: 0.75rem 1rem; }
  .nav { gap: 0.5rem 1rem; }
  .nav .hide-mobile { display: none; }
  .hero { padding: 2.5rem 1rem 2rem; }
  .section-header, .products { padding-left: 1rem; padding-right: 1rem; }
  .products { grid-template-columns: 1fr; }
}