/* ============================================================
   Manse.dev Tools — Main Stylesheet
   Aesthetic: Neo-Brutalist / Hacker Dark
   ============================================================ */

:root {
  --bg:           #0a0a0a;
  --bg2:          #111111;
  --bg3:          #1a1a1a;
  --border:       #2a2a2a;
  --accent:       #e8ff00;
  --accent2:      #00ffcc;
  --accent3:      #ff3c3c;
  --text:         #f0f0f0;
  --text-muted:   #888;
  --font-mono:    'Space Mono', monospace;
  --font-display: 'Syne', sans-serif;
  --radius:       0px;
  --shadow-brutal: 4px 4px 0 var(--accent);
  --shadow-brutal2: 6px 6px 0 #fff;
  --border-w:     2px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-mono);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 64px;
  background: var(--bg);
  border-bottom: var(--border-w) solid var(--border);
  backdrop-filter: blur(4px);
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.2rem;
}
.brand-icon { font-size: 1.4rem; }
.brand-dot  { color: var(--accent); }
.brand-badge {
  font-family: var(--font-mono);
  font-size: .65rem;
  background: var(--accent);
  color: #000;
  padding: 2px 6px;
  font-weight: 700;
  letter-spacing: .05em;
}

.navbar__links { display: flex; gap: 1.5rem; }
.nav-link {
  font-size: .8rem;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: color .2s;
}
.nav-link:hover { color: var(--accent); }

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.navbar__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: all .3s;
}

@media (max-width: 640px) {
  .navbar__links { display: none; }
  .navbar__hamburger { display: flex; }
  .navbar__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--bg2);
    border-bottom: 2px solid var(--border);
    padding: 1rem 2rem 1.5rem;
    gap: 1rem;
  }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding: 6rem 2rem 5rem;
  text-align: center;
  overflow: hidden;
  border-bottom: 2px solid var(--border);
}

.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: .35;
  pointer-events: none;
}

.hero__tag {
  display: inline-block;
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 4px 12px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 1.2rem;
  position: relative;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
  -webkit-text-stroke: 1px var(--accent);
}

.hero p {
  font-size: .95rem;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 2rem;
}

.hero__cta {
  display: inline-flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: .75rem 1.75rem;
  border: 2px solid currentColor;
  cursor: pointer;
  transition: all .15s;
}
.btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  box-shadow: var(--shadow-brutal);
}
.btn-primary:hover {
  transform: translate(-3px,-3px);
  box-shadow: 7px 7px 0 var(--accent);
}
.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover {
  border-color: var(--text);
  transform: translate(-2px,-2px);
  box-shadow: 4px 4px 0 var(--text-muted);
}

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 0;
  border-bottom: 2px solid var(--border);
  flex-wrap: wrap;
}
.stat-item {
  flex: 1;
  min-width: 160px;
  padding: 1.5rem 2rem;
  text-align: center;
  border-right: 2px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
}
.stat-item span {
  font-size: .7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
}

/* ============================================================
   TOOLS GRID
   ============================================================ */
.section {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.section__header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2.5rem;
  border-bottom: 2px solid var(--border);
  padding-bottom: 1rem;
}
.section__header h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
}
.section__header span {
  font-size: .7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 0;
  border: 2px solid var(--border);
}

.tool-card {
  padding: 2rem;
  border-right: 2px solid var(--border);
  border-bottom: 2px solid var(--border);
  text-decoration: none;
  color: var(--text);
  display: block;
  transition: all .15s;
  position: relative;
  overflow: hidden;
}
.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateY(100%);
  transition: transform .25s cubic-bezier(.4,0,.2,1);
  z-index: 0;
}
.tool-card:hover::before { transform: translateY(0); }
.tool-card:hover { color: #000; }
.tool-card:hover .tc-category { color: #333; }
.tool-card:hover .tc-arrow { opacity: 1; color: #000; }

.tool-card > * { position: relative; z-index: 1; }

.tc-icon { font-size: 2.2rem; margin-bottom: 1rem; display: block; }
.tc-category {
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--text-muted);
  margin-bottom: .4rem;
}
.tc-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: .6rem;
}
.tc-desc { font-size: .78rem; color: var(--text-muted); line-height: 1.7; }
.tool-card:hover .tc-desc { color: #333; }
.tc-arrow {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  font-size: 1.2rem;
  opacity: .3;
  transition: opacity .2s;
}

/* ============================================================
   TOOL PAGE LAYOUT
   ============================================================ */
.tool-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 2rem 5rem;
}

.breadcrumb {
  font-size: .72rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  display: flex;
  gap: .5rem;
  align-items: center;
}
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--border); }

.tool-page__header { margin-bottom: 2.5rem; }
.tool-page__header .tool-icon { font-size: 3rem; display: block; margin-bottom: 1rem; }
.tool-page__header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 3rem);
  margin-bottom: .75rem;
}
.tool-page__header p { color: var(--text-muted); font-size: .9rem; max-width: 520px; }

/* ---- CARD ---- */
.card {
  background: var(--bg2);
  border: 2px solid var(--border);
  padding: 2rem;
  margin-bottom: 1.5rem;
}
.card h3 {
  font-family: var(--font-display);
  margin-bottom: 1.25rem;
  font-size: 1rem;
  letter-spacing: .05em;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* ---- FORM ELEMENTS ---- */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-muted);
  margin-bottom: .4rem;
}
input[type="text"],
input[type="number"],
input[type="url"],
input[type="color"],
textarea,
select {
  width: 100%;
  background: var(--bg3);
  border: 2px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: .82rem;
  padding: .65rem .85rem;
  outline: none;
  transition: border-color .2s;
  appearance: none;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 100px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 480px) { .form-row { grid-template-columns: 1fr; } }

/* ---- CHECKBOX ---- */
.check-group { display: flex; align-items: center; gap: .6rem; margin-bottom: .75rem; }
.check-group input[type="checkbox"] {
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  background: var(--bg3);
  accent-color: var(--accent);
  flex-shrink: 0;
}
.check-group label {
  font-size: .8rem; color: var(--text-muted);
  margin: 0; text-transform: none; letter-spacing: 0;
  cursor: pointer;
}

/* ---- CODE OUTPUT ---- */
.code-output {
  display: none;
  background: var(--bg);
  border: 2px solid var(--accent);
  padding: 1.5rem;
  margin-top: 1.5rem;
  position: relative;
}
.code-output.visible { display: block; }
.code-output pre {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--accent2);
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 340px;
  overflow-y: auto;
  line-height: 1.7;
}
.code-output__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-muted);
}
.copy-btn {
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  background: var(--accent);
  color: #000;
  border: none;
  padding: .4rem 1rem;
  cursor: pointer;
  transition: all .15s;
}
.copy-btn:hover { background: #fff; }
.copy-btn.copied { background: var(--accent2); }

/* ---- ALERT ---- */
.alert {
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--accent);
  background: rgba(232,255,0,.06);
  font-size: .82rem;
  margin-bottom: 1.5rem;
  color: var(--text-muted);
}

/* ---- ABOUT SECTION ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.feature-item {
  border: 2px solid var(--border);
  padding: 1.5rem;
}
.feature-item h4 {
  font-family: var(--font-display);
  font-size: .95rem;
  margin-bottom: .5rem;
  color: var(--accent);
}
.feature-item p { font-size: .78rem; color: var(--text-muted); line-height: 1.7; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 2px solid var(--border);
  margin-top: 4rem;
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  padding: 3rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
@media (max-width: 640px) { .footer__inner { grid-template-columns: 1fr; } }

.footer__brand strong {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: .75rem;
}
.footer__brand p { font-size: .78rem; color: var(--text-muted); line-height: 1.7; }

.footer__links h4 {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.footer__links ul { list-style: none; }
.footer__links li { margin-bottom: .5rem; }
.footer__links a { font-size: .8rem; color: var(--text-muted); text-decoration: none; }
.footer__links a:hover { color: var(--accent); }

.footer__bottom {
  border-top: 2px solid var(--border);
  padding: 1rem 2rem;
  text-align: center;
  font-size: .72rem;
  color: var(--text-muted);
}

/* ============================================================
   UTILITIES
   ============================================================ */
.text-accent  { color: var(--accent); }
.text-muted   { color: var(--text-muted); }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }

/* ---- LOADING SPINNER ---- */
.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .6s linear infinite;
  vertical-align: middle;
  margin-right: .4rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- TOOLTIP-like success flash ---- */
.flash {
  position: fixed;
  bottom: 2rem; right: 2rem;
  background: var(--accent);
  color: #000;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  padding: .75rem 1.5rem;
  border: 2px solid #fff;
  transform: translateY(120%);
  transition: transform .3s cubic-bezier(.4,0,.2,1);
  z-index: 999;
}
.flash.show { transform: translateY(0); }