/* ============ Muna Tools — Design tokens ============ */
:root {
  --primary: #1565c0;
  --primary-hover: #0d47a1;
  --primary-soft: #e3f2fd;
  --accent: #00bcd4;
  --accent-hover: #0097a7;

  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-2: #eef2f6;
  --border: #e2e8f0;
  --text: #1c2733;
  --text-muted: #6b7785;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.04);

  --ok: #2e7d32;
  --warn: #ef6c00;
  --err: #c62828;

  --radius: 12px;
  --radius-sm: 8px;

  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

[data-theme="dark"] {
  --primary: #5aa2e8;
  --primary-hover: #82b1ff;
  --primary-soft: #10243b;
  --accent: #26c6da;
  --accent-hover: #4dd0e1;

  --bg: #0e1620;
  --surface: #18222e;
  --surface-2: #213040;
  --border: #2b3a48;
  --text: #e6edf3;
  --text-muted: #9fb0c0;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

code, pre, kbd { font-family: var(--mono); }

/* ============ Header ============ */
.site-header {
  background: #0f1720;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  padding: 8px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.header-left {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.homelab-home {
  font-weight: 800;
  letter-spacing: .5px;
  color: #fff;
}
/* Marca corporativa: texto plano junto a WORKLAB (mismo patrón que la app principal). */
.homelab-sub { color: #9fb0c0; font-size: .85rem; font-weight: 600; white-space: nowrap; }
.homelab-home:hover { color: #cfe0f5; text-decoration: none; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: #fff;
  padding-left: 14px;
  border-left: 1px solid rgba(255,255,255,.18);
}
.brand:hover { text-decoration: none; color: #fff; }

.brand-mark {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.5px;
  box-shadow: var(--shadow);
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}
.main-nav a {
  color: #cdd9e5;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
}
.main-nav a:hover {
  color: #fff;
  background: rgba(255,255,255,.12);
  text-decoration: none;
}
/* Sub-barra de secciones de Tools: mismo navy que la cabecera + enlaces resaltados (chips). */
.tools-subnav {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  padding: 4px 24px 12px; background: #0f1720;
}
.tools-subnav a { color: #cfe0f5; background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16); font-size: .9rem; font-weight: 600;
  padding: 5px 14px; border-radius: 999px; }
.tools-subnav a:hover { color: #fff; background: rgba(255,255,255,.18);
  border-color: rgba(255,255,255,.3); text-decoration: none; }
.tools-subnav a.active { color: #06222c; background: var(--primary); border-color: var(--primary); }

.theme-toggle {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.05rem;
  color: var(--text);
  transition: background 0.15s;
}
.theme-toggle:hover { background: var(--border); }

/* ============ Layout ============ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.page-title {
  margin: 0 0 8px;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.page-subtitle {
  color: var(--text-muted);
  margin: 0 0 32px;
}

.breadcrumb {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }

/* ============ Hero (homepage) ============ */
.hero {
  text-align: center;
  padding: 56px 16px 40px;
}
.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto;
}

/* ============ Category sections ============ */
.category {
  margin-bottom: 40px;
}
.category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.category-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
[data-theme="dark"] .category-icon {
  background: rgba(21, 101, 192, 0.15);
}
.category-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  transition: transform 0.12s, border-color 0.12s, box-shadow 0.12s;
  display: block;
  color: var(--text);
}
.tool-card:hover {
  border-color: var(--primary);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  color: var(--text);
}
.tool-card h3 {
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 600;
}
.tool-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ============ Tool page card ============ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.form-row {
  display: flex;
  gap: 10px;
  align-items: stretch;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.form-row > input,
.form-row > select,
.form-row > textarea {
  flex: 1 1 220px;
  min-width: 0;
}

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 0.92rem;
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="search"],
input[type="url"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus,
[data-theme="dark"] textarea:focus {
  box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.2);
}

textarea {
  font-family: var(--mono);
  font-size: 0.88rem;
  resize: vertical;
  min-height: 120px;
}

button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--primary);
  color: white;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
  text-decoration: none;
}
button:hover, .btn:hover {
  background: var(--primary-hover);
  color: white;
  text-decoration: none;
}
button:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--border);
  color: var(--text);
}

.btn-accent {
  background: var(--accent);
}
.btn-accent:hover { background: var(--accent-hover); }

/* ============ Result blocks ============ */
.result {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 0.88rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 600px;
  overflow: auto;
  margin: 0;
}
.result.empty { color: var(--text-muted); font-family: var(--font); font-style: italic; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--surface-2);
  color: var(--text-muted);
}
.badge.ok { background: rgba(46, 125, 50, 0.12); color: var(--ok); }
.badge.warn { background: rgba(239, 108, 0, 0.12); color: var(--warn); }
.badge.err { background: rgba(198, 40, 40, 0.12); color: var(--err); }

.alert {
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 0.92rem;
  border: 1px solid var(--border);
  background: var(--surface-2);
}
.alert.info { border-color: var(--primary); background: var(--primary-soft); color: #0d47a1; }
[data-theme="dark"] .alert.info { color: var(--primary); background: rgba(21, 101, 192, 0.08); }
.alert.warn { border-color: var(--warn); color: var(--warn); background: rgba(239, 108, 0, 0.08); }
.alert.err  { border-color: var(--err);  color: var(--err);  background: rgba(198, 40, 40, 0.08); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 0.92rem;
}
th, td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
th { font-weight: 600; color: var(--text-muted); background: var(--surface-2); }

/* ============ Footer ============ */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* ============ Loader ============ */
.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============ Responsive ============ */
@media (max-width: 700px) {
  .main-nav { display: none; }
  .header-inner { padding: 12px 16px; }
  .container { padding: 24px 16px 48px; }
  .hero { padding: 32px 8px 24px; }
}

.kbd-hint { font-size: 0.82rem; color: var(--text-muted); }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .row-2 { grid-template-columns: 1fr; } }

.copy-btn {
  position: relative;
  font-size: 0.82rem;
  padding: 4px 10px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}
.copy-btn:hover { background: var(--border); color: var(--text); }

/* ============ Selector de tema unificado (engranaje flotante de WORKLAB) ============ */
.theme-fab { position: fixed; right: 18px; bottom: 18px; z-index: 1000; }
.theme-gear {
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font-size: 1.3rem; line-height: 1; cursor: pointer;
  box-shadow: var(--shadow); transition: transform .2s;
}
.theme-gear:hover { transform: rotate(40deg); }
.theme-menu {
  position: absolute; right: 0; bottom: 56px; min-width: 140px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 6px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 4px;
}
.theme-menu[hidden] { display: none; }
.theme-menu button {
  text-align: left; border: none; background: none; color: var(--text);
  padding: 8px 12px; border-radius: 6px; cursor: pointer; font-size: .95rem;
}
.theme-menu button:hover { background: var(--surface-2); }
.theme-menu button.active { background: var(--primary); color: #fff; }