/* extract7z.com — cyan/slate, technical, glassmorphism */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #0b1220;
  --bg-elev: #111a2e;
  --bg-soft: #0f1729;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --fg: #e6edf7;
  --fg-dim: #aab6cf;
  --muted: #7e8aa6;
  --muted-2: #5b6680;
  --accent: #22d3ee;
  --accent-2: #06b6d4;
  --accent-dark: #0891b2;
  --accent-soft: rgba(34, 211, 238, 0.12);
  --accent-glow: rgba(34, 211, 238, 0.35);
  --border: rgba(148, 163, 184, 0.16);
  --border-strong: rgba(148, 163, 184, 0.28);
  --card-bg: rgba(17, 26, 46, 0.7);
  --success: #34d399;
  --error: #f87171;
  --warn: #fbbf24;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--sans);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(34, 211, 238, 0.14), transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(6, 182, 212, 0.08), transparent 60%),
    linear-gradient(180deg, #0b1220 0%, #0a0f1c 100%);
  background-attachment: fixed;
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'ss01', 'cv11';
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header — glassmorphism */
.site-header {
  background: rgba(11, 18, 32, 0.72);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--fg);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.01em;
}
.logo .glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #04131a;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  box-shadow: 0 0 24px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.25);
}
.logo .dot {
  color: var(--accent);
}
.site-header nav a {
  color: var(--fg-dim);
  text-decoration: none;
  margin-left: 22px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}
.site-header nav a:hover { color: var(--accent); }

/* Hero */
.hero {
  text-align: center;
  padding: 80px 0 40px;
  position: relative;
}
.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  margin: 0 0 20px;
  letter-spacing: -0.03em;
  font-weight: 800;
  line-height: 1.05;
  background: linear-gradient(180deg, #ffffff 0%, #b6c5e0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero h1 .accent {
  background: linear-gradient(135deg, var(--accent) 0%, #67e8f9 60%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .lead {
  font-size: 1.12rem;
  color: var(--fg-dim);
  max-width: 680px;
  margin: 0 auto;
}
.hero .badges {
  margin-top: 28px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.badge {
  background: var(--accent-soft);
  color: var(--accent);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  border: 1px solid var(--border);
  font-family: var(--mono);
  letter-spacing: -0.01em;
}

/* Section headings */
h2 {
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  margin: 48px 0 16px;
  font-weight: 700;
  color: var(--fg);
}
h2 .marker {
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.9em;
  margin-right: 6px;
}
h3 { color: var(--fg); }

/* Ads */
.ad-slot {
  background: var(--surface);
  border: 1px dashed var(--border);
  color: var(--muted);
  text-align: center;
  padding: 22px;
  margin: 36px 0;
  border-radius: 10px;
  min-height: 90px;
  font-size: 0.82rem;
  font-family: var(--mono);
}
.ad-slot::before { content: "// Ad slot \2014 Google AdSense"; }
.ad-slot-post {
  opacity: 0; max-height: 0; padding: 0; margin: 0; min-height: 0; border: 0; overflow: hidden;
  transition: opacity 0.4s ease, max-height 0.4s ease, padding 0.4s ease, margin 0.4s ease;
}
.ad-slot-post.visible {
  opacity: 1; max-height: 400px; padding: 22px; margin: 36px 0; min-height: 90px;
  border: 1px dashed var(--border);
}

.noscript-banner {
  background: rgba(248, 113, 113, 0.1);
  color: var(--error);
  border: 1px solid rgba(248, 113, 113, 0.3);
  padding: 14px 18px;
  border-radius: 10px;
  margin: 20px 0;
  text-align: center;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
.card {
  display: block;
  padding: 22px 22px 24px;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s ease, border-color 0.18s, box-shadow 0.18s, background 0.18s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at top right, rgba(34, 211, 238, 0.08), transparent 60%);
  opacity: 0; transition: opacity 0.2s;
  pointer-events: none;
}
.card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-2);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--accent-soft);
}
.card:hover::before { opacity: 1; }
.card h3 { margin: 0 0 6px; color: var(--accent); font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; }
.card p  { margin: 0; color: var(--fg-dim); font-size: 0.92rem; }

/* Feature grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin-top: 16px;
}
.features div {
  padding: 20px;
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border);
}
.features h3 { margin: 0 0 8px; font-size: 0.98rem; color: var(--accent); font-weight: 600; }
.features p  { margin: 0; color: var(--fg-dim); font-size: 0.9rem; }

/* FAQ */
.faq details {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 10px 0;
  transition: border-color 0.15s;
}
.faq details[open] { border-color: var(--accent-2); }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--fg);
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "+";
  color: var(--accent);
  margin-right: 10px;
  font-family: var(--mono);
  display: inline-block;
  transition: transform 0.15s;
}
.faq details[open] summary::before { content: "\2212"; }
.faq details p { color: var(--fg-dim); margin: 10px 0 0; }

/* Footer */
.site-footer {
  margin-top: 100px;
  padding: 36px 0;
  background: rgba(11, 18, 32, 0.6);
  border-top: 1px solid var(--border);
  font-size: 0.86rem;
  color: var(--muted);
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.site-footer a { color: var(--fg-dim); text-decoration: none; margin: 0 6px; }
.site-footer a:hover { color: var(--accent); }

/* Tool app shell */
.tool-app {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px;
  margin: 32px 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.dropzone {
  border: 2px dashed var(--border-strong);
  border-radius: 12px;
  padding: 56px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
  background: rgba(255,255,255,0.015);
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: inset 0 0 60px rgba(34, 211, 238, 0.06);
}
.dropzone p { margin: 8px 0; color: var(--fg-dim); }
.dropzone .big { font-size: 1.1rem; color: var(--fg); font-weight: 600; }
.dropzone .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1.7rem;
  font-weight: 700;
  border: 1px solid var(--border);
  box-shadow: 0 0 30px var(--accent-glow);
}
.dropzone input[type=file] { display: none; }

.btn {
  background: var(--accent);
  color: #04131a;
  border: none;
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  font-family: var(--sans);
  letter-spacing: -0.01em;
  transition: background 0.15s, transform 0.05s, box-shadow 0.15s;
  box-shadow: 0 0 0 1px var(--accent-2), 0 6px 20px rgba(34, 211, 238, 0.25);
}
.btn:hover { background: #67e8f9; box-shadow: 0 0 0 1px var(--accent), 0 8px 28px rgba(34, 211, 238, 0.4); }
.btn:active { transform: translateY(1px); }
.btn:disabled { background: rgba(148,163,184,0.18); color: var(--muted); box-shadow: none; cursor: not-allowed; }
.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent-2);
  box-shadow: none;
}
.btn-secondary:hover { background: var(--accent-soft); box-shadow: none; color: var(--accent); }
.btn-small { padding: 6px 12px; font-size: 0.82rem; }

.file-list { margin: 20px 0; }
.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 6px 0;
  font-family: var(--mono);
  font-size: 0.88rem;
}
.file-item .name { font-weight: 500; word-break: break-all; color: var(--fg); }
.file-item .size { color: var(--muted); font-size: 0.82rem; margin-left: 12px; }
.file-item .remove {
  background: none; border: none; color: var(--error);
  cursor: pointer; font-size: 1.2rem; padding: 0 8px;
}

.status {
  margin: 14px 0;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 0.92rem;
  border: 1px solid transparent;
  font-family: var(--mono);
}
.status.info    { background: rgba(34, 211, 238, 0.08); color: var(--accent); border-color: rgba(34, 211, 238, 0.25); }
.status.success { background: rgba(52, 211, 153, 0.08); color: var(--success); border-color: rgba(52, 211, 153, 0.25); }
.status.error   { background: rgba(248, 113, 113, 0.08); color: var(--error); border-color: rgba(248, 113, 113, 0.25); }
.status.warn    { background: rgba(251, 191, 36, 0.08); color: var(--warn); border-color: rgba(251, 191, 36, 0.25); }
.status.hidden  { display: none; }

.progress {
  width: 100%;
  height: 6px;
  background: var(--surface);
  border-radius: 3px;
  margin: 10px 0;
  overflow: hidden;
  border: 1px solid var(--border);
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  width: 0%;
  transition: width 0.2s;
  box-shadow: 0 0 12px var(--accent-glow);
}

.actions {
  margin-top: 22px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.controls {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 18px 0;
}
.controls label {
  font-size: 0.86rem;
  color: var(--fg-dim);
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 500;
}
.controls select,
.controls input[type=text],
.controls input[type=password],
.controls input[type=number] {
  padding: 9px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.92rem;
  min-width: 220px;
  color: var(--fg);
  font-family: var(--mono);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.controls select:focus,
.controls input:focus {
  outline: none;
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Intros */
.page-intro {
  text-align: center;
  padding: 56px 0 16px;
}
.page-intro h1 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin: 0 0 14px;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--fg);
}
.page-intro p {
  color: var(--fg-dim);
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.02rem;
}

.content-section {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  margin: 28px 0;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.content-section h2 { margin-top: 0; font-size: 1.35rem; }
.content-section h3 { font-size: 1.05rem; margin-top: 22px; color: var(--accent); }
.content-section ul { padding-left: 20px; color: var(--fg-dim); }
.content-section ul li { margin: 6px 0; }
.content-section p { color: var(--fg-dim); }
.content-section code {
  background: rgba(34, 211, 238, 0.08);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88em;
  font-family: var(--mono);
  border: 1px solid var(--border);
}
.content-section em { color: var(--fg); font-style: normal; font-weight: 500; }
.content-section strong { color: var(--fg); }

/* Archive tree */
.tree-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 18px 0 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.tree-toolbar input[type=search] {
  padding: 9px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  flex: 1 1 200px;
  min-width: 0;
  color: var(--fg);
  font-family: var(--mono);
}
.tree-toolbar input[type=search]:focus {
  outline: none;
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.tree-toolbar .meta {
  color: var(--muted);
  font-size: 0.84rem;
  margin-left: auto;
  font-family: var(--mono);
}

.tree {
  border: 1px solid var(--border);
  border-radius: 10px;
  max-height: 480px;
  overflow: auto;
  background: var(--bg-soft);
}
.tree-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-bottom: 1px solid rgba(148,163,184,0.06);
  font-size: 0.9rem;
  font-family: var(--mono);
}
.tree-row:last-child { border-bottom: none; }
.tree-row:hover { background: var(--surface); }
.tree-row .ind { display: inline-block; color: var(--muted-2); }
.tree-row .name {
  flex: 1;
  word-break: break-all;
  cursor: pointer;
  color: var(--fg-dim);
}
.tree-row .name.is-dir { font-weight: 600; color: var(--accent); }
.tree-row .size { color: var(--muted); font-size: 0.78rem; min-width: 70px; text-align: right; }
.tree-row .row-actions { display: flex; gap: 6px; }
.tree-row button.row-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 0.74rem;
  color: var(--fg-dim);
  cursor: pointer;
  font-family: var(--mono);
  transition: border-color 0.12s, color 0.12s;
}
.tree-row button.row-btn:hover { border-color: var(--accent-2); color: var(--accent); }
.tree-row input[type=checkbox] { cursor: pointer; accent-color: var(--accent); }

/* Preview modal */
.preview-modal {
  position: fixed;
  inset: 0;
  background: rgba(4, 10, 22, 0.82);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}
.preview-modal.open { display: flex; }
.preview-card {
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 30px 90px rgba(0,0,0,0.5);
}
.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.preview-header h3 { margin: 0; font-size: 0.95rem; word-break: break-all; color: var(--fg); font-family: var(--mono); }
.preview-header button {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 32px; height: 32px;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--fg-dim);
}
.preview-header button:hover { color: var(--accent); border-color: var(--accent-2); }
.preview-body {
  padding: 16px;
  overflow: auto;
  flex: 1;
  background: var(--bg-soft);
}
.preview-body img, .preview-body video, .preview-body audio {
  max-width: 100%; display: block; margin: 0 auto;
}
.preview-body pre {
  white-space: pre-wrap;
  font-family: var(--mono);
  font-size: 0.84rem;
  margin: 0;
  color: var(--fg-dim);
}

/* Consent banner */
#fbc-consent {
  position: fixed;
  left: 16px; right: 16px; bottom: 16px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  padding: 18px 20px;
  z-index: 9999;
  max-width: 720px;
  margin: 0 auto;
}
.fbc-consent-inner { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.fbc-consent-inner p { margin: 0; flex: 1 1 280px; font-size: 0.9rem; color: var(--fg-dim); }
.fbc-consent-actions { display: flex; gap: 8px; flex-wrap: wrap; }
#fbc-consent .btn { padding: 8px 14px; font-size: 0.86rem; }

@media (max-width: 640px) {
  .site-header .container { flex-direction: column; height: auto; padding: 12px 20px; }
  .site-header nav { margin-top: 8px; }
  .site-header nav a { margin: 0 8px; font-size: 0.82rem; }
  .hero { padding: 50px 0 24px; }
  #fbc-consent { left: 8px; right: 8px; bottom: 8px; padding: 14px; }
  .tool-app { padding: 20px; }
}