/* =========================================================
   IPMonkey 2026 — Stylesheet
   Modern, lightweight, dark/light theming, fully responsive
   ========================================================= */

/* ── Custom properties ─────────────────────────────────────── */
:root {
  --color-bg:         #f4f6fb;
  --color-bg-alt:     #ffffff;
  --color-border:     #e2e8f0;
  --color-text:       #1e293b;
  --color-text-muted: #64748b;
  --color-primary:    #0ea5e9;
  --color-primary-h:  #0284c7;
  --color-accent:     #f97316;
  --color-success:    #22c55e;
  --color-warn:       #f59e0b;
  --color-error:      #ef4444;
  --color-info:       #3b82f6;
  --color-card-bg:    #ffffff;
  --color-card-shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.04);
  --color-code-bg:    #0f172a;
  --color-code-text:  #e2e8f0;
  --color-hero-bg:    linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
  --color-nav-bg:     #0f172a;
  --color-nav-text:   #94a3b8;
  --color-nav-active: #ffffff;
  --font-sans:        system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:        'SFMono-Regular', 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;
  --radius:           8px;
  --radius-lg:        12px;
  --transition:       0.18s ease;
  --container:        1100px;
  --header-h:         60px;
}

[data-theme="dark"] {
  --color-bg:         #0f172a;
  --color-bg-alt:     #1e293b;
  --color-border:     #334155;
  --color-text:       #e2e8f0;
  --color-text-muted: #64748b;
  --color-card-bg:    #1e293b;
  --color-card-shadow: 0 1px 3px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.2);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background var(--transition), color var(--transition);
}

img { display: block; max-width: 100%; }
a   { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout helpers ─────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.page-content { padding-block: 2.5rem; flex: 1; }
.mb-4 { margin-bottom: 1.5rem; }
.hidden { display: none !important; }
.float-right { float: right; }

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
  background: var(--color-nav-bg);
  height: var(--header-h);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,.05);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  flex-shrink: 0;
}
.logo:hover { text-decoration: none; opacity: 0.9; }
.logo-icon { font-size: 1.4rem; }
.logo-text strong { color: var(--color-primary); }

/* Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}

.nav-link {
  color: var(--color-nav-text);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
}
.nav-link:hover, .nav-link.active {
  color: var(--color-nav-active);
  background: rgba(255,255,255,.08);
  text-decoration: none;
}
.nav-link.active { color: var(--color-primary); }

/* Theme toggle */
.theme-toggle {
  background: none;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius);
  color: var(--color-nav-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  flex-shrink: 0;
  transition: border-color var(--transition), color var(--transition);
}
.theme-toggle:hover { border-color: rgba(255,255,255,.3); color: #fff; }
.icon-moon { display: none; }
[data-theme="dark"] .icon-sun  { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

/* Hamburger (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: 0.5rem;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-nav-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Hero section ───────────────────────────────────────────── */
.hero {
  background: var(--color-hero-bg);
  padding-block: 3rem 2.5rem;
  text-align: center;
  color: #fff;
}

.hero-ip {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  word-break: break-all;
}

.hero-sub {
  margin-top: 0.75rem;
  color: rgba(255,255,255,.65);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--color-card-shadow);
  transition: background var(--transition), border-color var(--transition);
}

.card-title {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ── Info grid ──────────────────────────────────────────────── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

/* ── Info list (dl/dt/dd) ───────────────────────────────────── */
.info-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.info-row {
  display: flex;
  align-items: flex-start;
  padding-block: 0.55rem;
  border-bottom: 1px solid var(--color-border);
  gap: 0.75rem;
}
.info-row:last-child { border-bottom: none; }
.info-row--block { flex-direction: column; }

.info-row dt {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  min-width: 110px;
  flex-shrink: 0;
  padding-top: 2px;
}

.info-row dd {
  font-size: 0.9rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  word-break: break-word;
}
.info-row--block dd { margin-top: 0.25rem; }

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2em 0.6em;
  border-radius: 100px;
  background: rgba(14, 165, 233, .15);
  color: var(--color-primary);
  border: 1px solid rgba(14, 165, 233, .3);
}
.badge-warn   { background: rgba(245,158,11,.15); color: var(--color-warn);    border-color: rgba(245,158,11,.3); }
.badge-info   { background: rgba(59,130,246,.15);  color: var(--color-info);   border-color: rgba(59,130,246,.3); }
.badge-muted  { background: rgba(100,116,139,.1);  color: var(--color-text-muted); border-color: var(--color-border); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-h); box-shadow: 0 0 0 3px rgba(14,165,233,.25); }

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover { background: rgba(14,165,233,.08); }

.btn-text {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0;
}
.btn-text:hover { text-decoration: underline; }

/* Copy button */
.btn-copy {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.6rem;
  font-size: 0.78rem;
  transition: var(--transition);
}
.btn-copy:hover { color: var(--color-primary); border-color: var(--color-primary); }
.btn-copy.copied { color: var(--color-success); border-color: var(--color-success); }

/* ── Lookup form ─────────────────────────────────────────────── */
.lookup-form { margin-bottom: 2rem; }

.input-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.lookup-input {
  flex: 1;
  min-width: 200px;
  padding: 0.65rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  background: var(--color-card-bg);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.lookup-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(14,165,233,.15); }

.lookup-select {
  padding: 0.65rem 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-card-bg);
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition);
}
.lookup-select:focus { border-color: var(--color-primary); }

.form-hints {
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.83rem;
}
.hint-sep { color: var(--color-border); }

/* ── Page header ─────────────────────────────────────────────── */
.page-header { margin-bottom: 1rem; }
.page-header h1 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; letter-spacing: -0.02em; }
.page-desc { margin-top: 0.5rem; color: var(--color-text-muted); font-size: 1rem; }

/* ── Result block ────────────────────────────────────────────── */
.result-block { margin-top: 0.5rem; }

.result-hero {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.result-ip {
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ── Alerts ─────────────────────────────────────────────────── */
.alert {
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  border-left: 4px solid;
}
.alert-error { background: rgba(239,68,68,.08); border-color: var(--color-error); color: var(--color-error); }
.alert-info  { background: rgba(59,130,246,.08); border-color: var(--color-info);  color: var(--color-info); }

/* ── Quick tools ─────────────────────────────────────────────── */
.quick-tools { margin-top: 1rem; }
.quick-tools h2 { font-size: 1.1rem; font-weight: 600; margin-bottom: 1rem; }

.tool-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}

.tool-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.3rem;
  padding: 1.25rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  box-shadow: var(--color-card-shadow);
}
.tool-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(14,165,233,.1);
  transform: translateY(-2px);
  text-decoration: none;
}
.tool-icon { font-size: 1.5rem; }
.tool-name { font-weight: 600; font-size: 0.95rem; }
.tool-desc { font-size: 0.8rem; color: var(--color-text-muted); }

/* ── DNS table ───────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.dns-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.dns-table th {
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}
.dns-table td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.dns-table tr:last-child td { border-bottom: none; }
.dns-table tr:hover td { background: rgba(14,165,233,.03); }
.ttl { color: var(--color-text-muted); white-space: nowrap; font-size: 0.8rem; }
.txt-val { word-break: break-all; max-width: 400px; font-size: 0.82rem; }

.dns-type-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.dns-type-badge {
  display: inline-block;
  padding: 0.2em 0.7em;
  background: var(--color-primary);
  color: #fff;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* ── Code / raw output ───────────────────────────────────────── */
.code-block, .raw-output {
  background: var(--color-code-bg);
  color: var(--color-code-text);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.65;
  padding: 1.25rem;
  border-radius: var(--radius);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  white-space: pre;
  word-break: normal;
}

.raw-output-wrap { position: relative; }
.raw-output { max-height: 520px; overflow-y: auto; }

/* ── API docs ────────────────────────────────────────────────── */
.api-intro p { margin-bottom: 0.75rem; }
.api-intro .code-block { margin-block: 0.75rem; }

.api-endpoint .endpoint-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.http-method {
  display: inline-block;
  padding: 0.2em 0.65em;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.http-method.get  { background: rgba(34,197,94,.15);  color: var(--color-success); }
.http-method.post { background: rgba(249,115,22,.15);  color: var(--color-accent); }

.endpoint-path {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}
.endpoint-path .param { color: var(--color-accent); }

.api-endpoint h3 { font-size: 0.85rem; font-weight: 600; margin-block: 1rem 0.5rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

.param-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; margin-bottom: 0.5rem; }
.param-table th { text-align: left; padding: 0.4rem 0.75rem; background: rgba(14,165,233,.06); border-bottom: 1px solid var(--color-border); font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); }
.param-table td { padding: 0.45rem 0.75rem; border-bottom: 1px solid var(--color-border); }
.param-table tr:last-child td { border-bottom: none; }

code { font-family: var(--font-mono); font-size: 0.88em; background: rgba(14,165,233,.1); color: var(--color-primary); padding: 0.1em 0.4em; border-radius: 4px; }

/* ── WHOIS ───────────────────────────────────────────────────── */
.server-badge { font-family: var(--font-mono); font-size: 0.72rem; }

/* ── Tabs ────────────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  gap: 0.25rem;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.tab {
  padding: 0.6rem 1.25rem;
  border: none;
  background: none;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.tab:hover  { color: var(--color-text); }
.tab.active { color: var(--color-primary); border-color: var(--color-primary); }

/* ── Helpers ─────────────────────────────────────────────────── */
.monospace   { font-family: var(--font-mono); }
.text-muted  { color: var(--color-text-muted); }
.text-wrap   { white-space: pre-wrap; word-break: break-word; }
.flag        { border-radius: 2px; box-shadow: 0 0 0 1px rgba(0,0,0,.1); }

.link-external {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.link-subtle { color: var(--color-text); }
.link-subtle:hover { color: var(--color-primary); }

/* ── Error page ─────────────────────────────────────────────── */
.error-page { display: flex; justify-content: center; align-items: center; min-height: 60vh; }
.error-box  { text-align: center; max-width: 480px; }
.error-code {
  font-size: clamp(5rem, 15vw, 8rem);
  font-weight: 800;
  line-height: 1;
  color: transparent;
  background: var(--color-hero-bg);
  -webkit-background-clip: text;
  background-clip: text;
  letter-spacing: -0.04em;
}
.error-title   { font-size: 1.5rem; font-weight: 600; margin-top: 0.5rem; }
.error-message { color: var(--color-text-muted); margin-block: 0.75rem 1.5rem; }
.error-actions { display: flex; justify-content: center; gap: 0.75rem; flex-wrap: wrap; }

/* ── Footer ─────────────────────────────────────────────────── */
.site-main { flex: 1; display: flex; flex-direction: column; }
/* ── AdSense above footer ─────────────────────────────────────── */
.ad-above-footer { margin-bottom: 15px; }
.ad-above-footer .container { padding-block: 0; }

.site-footer {
  background: var(--color-nav-bg);
  color: var(--color-nav-text);
  padding-block: 1.5rem;
  font-size: 0.85rem;
  border-top: 1px solid rgba(255,255,255,.05);
}
.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.footer-nav { display: flex; flex-wrap: wrap; gap: 0.25rem; }
.footer-nav a { color: var(--color-nav-text); padding: 0.25rem 0.5rem; border-radius: var(--radius); transition: color var(--transition); }
.footer-nav a:hover { color: #fff; text-decoration: none; }
.footer-heart { text-decoration: none; }
.footer-heart:hover { text-decoration: none; }
.deploy-badge { display: inline-block; font-size: inherit; font-weight: 600; padding: 0.1rem 0.45rem; border-radius: 999px; vertical-align: baseline; letter-spacing: 0.03em; }
.deploy-badge--development { background: #f59e0b; color: #1a1a1a; }
.deploy-badge--production  { background: #22c55e; color: #fff; }
.deploy-version { font-size: inherit; opacity: 0.6; vertical-align: baseline; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .main-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--color-nav-bg);
    border-bottom: 1px solid rgba(255,255,255,.08);
    padding: 1rem;
    gap: 0.25rem;
  }
  .main-nav.open { display: flex; }
  .main-nav .nav-link { width: 100%; padding: 0.6rem 1rem; }
  .hamburger { display: flex; }
  .theme-toggle { margin-left: auto; }

  .info-grid { grid-template-columns: 1fr; }
  .tool-cards { grid-template-columns: 1fr 1fr; }
  .hero-ip { font-size: clamp(1.6rem, 7vw, 2.5rem); }
  .input-group { flex-direction: column; }
  .lookup-input, .lookup-select, .btn { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .tool-cards { grid-template-columns: 1fr; }
  .result-actions { flex-direction: column; }
  .result-actions .btn { width: 100%; justify-content: center; }
}