/* ── SanaSec Toolkit Catalog — design tokens ── */
:root {
  --bg: #020617;
  --bg-elev: #0F172A;
  --bg-card: rgba(255,255,255,.04);
  --bg-hover: rgba(255,255,255,.07);
  --muted: #1A1E2F;
  --border: #1E293B;
  --border-strong: #334155;
  --text: #F8FAFC;
  --text-dim: #94A3B8;
  --accent: #22C55E;
  --accent-soft: rgba(34,197,94,.13);
  --accent-glow: rgba(34,197,94,.35);
  --danger: #EF4444;
  --warn: #F59E0B;
  --info: #38BDF8;
  --violet: #A78BFA;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'IBM Plex Sans Arabic', 'Inter', ui-sans-serif, system-ui, sans-serif;
  --r-sm: 8px;
  --r: 14px;
  --r-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,.45);
  --shadow-lg: 0 16px 54px rgba(0,0,0,.6);
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--text);
  font-family: var(--sans); line-height: 1.7;
  min-height: 100dvh; -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
button, input, select { font-family: inherit; }
.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
.grad {
  background: linear-gradient(120deg, var(--accent), #6EE7B7 45%, var(--info));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.glow {
  position: fixed; inset: -30% -10% auto -10%; height: 62vh; pointer-events: none; z-index: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(34,197,94,.20), transparent 62%),
              radial-gradient(ellipse at 85% 15%, rgba(56,189,248,.12), transparent 55%);
}
.scanlines {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: .35;
  background-image: repeating-linear-gradient(to bottom, rgba(255,255,255,.028) 0 1px, transparent 1px 4px);
}

/* ── Navbar ── */
.navbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  height: 62px; padding: 0 clamp(.9rem, 3vw, 2rem);
  background: rgba(2,6,23,.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: .55rem; }
.brand-mark { color: var(--accent); font-size: 1.1rem; }
.brand-text { font-weight: 700; font-size: 1.12rem; letter-spacing: -.02em; }
.brand-text b { color: var(--accent); font-weight: 700; }
.brand-tag {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-dim);
  border: 1px solid var(--border-strong); border-radius: 999px; padding: .1rem .5rem;
}
.nav-links { display: flex; align-items: center; gap: 1.3rem; }
.nav-link {
  color: var(--text-dim); text-decoration: none; font-size: .9rem; font-weight: 500;
  transition: color .2s;
}
.nav-link:hover { color: var(--text); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  padding: .6rem 1.25rem; border: none; border-radius: 999px;
  font-size: .9rem; font-weight: 600; cursor: pointer; text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease, background .2s, color .2s;
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-sm { padding: .4rem .9rem; font-size: .82rem; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #4ADE80);
  color: #04140A; box-shadow: 0 6px 26px var(--accent-glow);
}
.btn-primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 12px 34px var(--accent-glow); }
.btn-ghost { background: transparent; border: 1.5px solid var(--border-strong); color: var(--text); }
.btn-ghost:hover { background: var(--bg-hover); transform: translateY(-2px); }
.btn-soft { background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(34,197,94,.3); }
.btn-soft:hover { background: rgba(34,197,94,.22); }
.icon-btn {
  background: transparent; border: 1px solid var(--border-strong); color: var(--text-dim);
  width: 32px; height: 32px; border-radius: 50%; cursor: pointer; line-height: 1;
  transition: all .2s;
}
.icon-btn:hover { color: var(--text); border-color: var(--accent); }
.pill {
  font-family: var(--mono); font-size: .72rem; background: var(--accent);
  color: #04140A; border-radius: 999px; padding: 0 .4rem; font-weight: 600;
}

/* ── Hero ── */
.hero {
  position: relative; z-index: 1; text-align: center;
  max-width: 900px; margin: 0 auto; padding: clamp(2.5rem, 7vw, 5rem) 1.25rem 3rem;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft);
  border: 1px solid rgba(34,197,94,.3); border-radius: 999px; padding: .25rem .8rem; margin-bottom: 1.2rem;
}
.hero h1 {
  font-size: clamp(1.85rem, 5vw, 3.1rem); font-weight: 700;
  letter-spacing: -.03em; line-height: 1.25; margin-bottom: 1.1rem;
}
.hero p { color: var(--text-dim); font-size: clamp(.95rem, 1.6vw, 1.08rem); max-width: 640px; margin: 0 auto 2rem; }
.hero-search {
  display: flex; align-items: center; gap: .5rem;
  max-width: 620px; margin: 0 auto 2rem; padding: .4rem .5rem .4rem 1rem;
  background: rgba(15,23,42,.8); border: 1px solid var(--border-strong);
  border-radius: 999px; box-shadow: var(--shadow);
  transition: border-color .2s, box-shadow .2s;
}
.hero-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.hero-search-icon { color: var(--text-dim); font-size: 1.1rem; }
.hero-search input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text); font-size: .98rem; padding: .5rem 0;
}
.hero-search input::placeholder { color: #64748B; }
.hero-stats { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem 2.2rem; }
.hstat { display: flex; flex-direction: column; align-items: center; }
.hstat b { font-family: var(--mono); font-size: 1.5rem; color: var(--accent); font-weight: 600; }
.hstat span { font-size: .76rem; color: var(--text-dim); }

/* ── Sections ── */
.section { position: relative; z-index: 1; max-width: 1220px; margin: 0 auto; padding: 2.6rem 1.25rem; }
.sec-head { margin-bottom: 1.6rem; }
.sec-head h2 { font-size: clamp(1.3rem, 2.6vw, 1.75rem); letter-spacing: -.02em; margin-bottom: .35rem; }
.sec-sub { color: var(--text-dim); font-size: .92rem; max-width: 720px; }

/* ── Toolbar ── */
.toolbar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: .9rem; margin-bottom: 1rem;
}
.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .35rem .75rem; border-radius: 999px; cursor: pointer;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-dim); font-size: .82rem; font-weight: 500;
  transition: all .18s ease;
}
.chip:hover { color: var(--text); border-color: var(--border-strong); transform: translateY(-1px); }
.chip.active { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.chip .n { font-family: var(--mono); font-size: .7rem; opacity: .7; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; }
.filters select {
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text);
  border-radius: var(--r-sm); padding: .45rem .7rem; font-size: .84rem; cursor: pointer;
  outline: none; transition: border-color .2s;
}
.filters select:focus { border-color: var(--accent); }
.result-line { font-size: .82rem; color: var(--text-dim); margin-bottom: 1.2rem; }

/* ── Grid + cards ── */
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.grid-distros { grid-template-columns: repeat(auto-fill, minmax(288px, 1fr)); }
.card {
  position: relative; display: flex; flex-direction: column; gap: .7rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 1.1rem; backdrop-filter: blur(10px);
  box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease, border-color .2s;
  animation: fadeUp .45s ease both;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.card-top { display: flex; align-items: flex-start; gap: .7rem; }
.cat-ico {
  flex: none; width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center; font-size: 1rem;
  background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(34,197,94,.22);
}
.card-title { font-size: 1rem; font-weight: 600; letter-spacing: -.01em; word-break: break-word; }
.card-title .mono { font-family: var(--mono); font-size: .92rem; }
.card-cat { font-size: .74rem; color: var(--text-dim); }
.card-desc { color: var(--text-dim); font-size: .86rem; line-height: 1.7; }
.card-tags { display: flex; flex-wrap: wrap; gap: .32rem; margin-top: auto; }
.tag {
  font-family: var(--mono); font-size: .68rem; color: var(--text-dim);
  background: rgba(148,163,184,.1); border: 1px solid var(--border);
  border-radius: 6px; padding: .12rem .45rem;
}
.tag.accent { color: var(--accent); background: var(--accent-soft); border-color: rgba(34,197,94,.25); }
.tag.info { color: var(--info); background: rgba(56,189,248,.1); border-color: rgba(56,189,248,.25); }
.tag.warn { color: var(--warn); background: rgba(245,158,11,.1); border-color: rgba(245,158,11,.25); }
.card-actions { display: flex; align-items: center; gap: .5rem; }
.card-actions .btn { flex: 1; }
.link-btn {
  background: transparent; border: 1px solid var(--border-strong); color: var(--text-dim);
  border-radius: 999px; padding: .4rem .8rem; font-size: .8rem; cursor: pointer;
  text-decoration: none; transition: all .2s;
}
.link-btn:hover { color: var(--accent); border-color: var(--accent); }

/* ── Distro + scope cards ── */
.distro-head { display: flex; align-items: center; justify-content: space-between; gap: .6rem; }
.distro-name { font-weight: 600; font-size: .98rem; }
.distro-base { font-family: var(--mono); font-size: .7rem; color: var(--text-dim); }
.distro-desc { font-size: .84rem; color: var(--text-dim); }
.meta-row { display: flex; flex-wrap: wrap; gap: .35rem; }
.code {
  display: flex; align-items: center; gap: .5rem; justify-content: space-between;
  font-family: var(--mono); font-size: .76rem; color: #A7F3D0;
  background: #04140A; border: 1px solid rgba(34,197,94,.22);
  border-radius: var(--r-sm); padding: .45rem .6rem; direction: ltr; text-align: left;
  overflow-x: auto; white-space: nowrap;
}
.copy-mini {
  flex: none; background: transparent; border: 1px solid rgba(34,197,94,.35); color: var(--accent);
  border-radius: 6px; font-size: .68rem; padding: .1rem .45rem; cursor: pointer;
}
.copy-mini:hover { background: var(--accent-soft); }
.scope-card { display: flex; gap: .8rem; align-items: flex-start; }
.scope-ico { flex: none; width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; font-size: .95rem; }
.scope-ico.ok { background: var(--accent-soft); color: var(--accent); }
.scope-ico.no { background: rgba(239,68,68,.12); color: var(--danger); }
.scope-card h3 { font-size: .95rem; margin-bottom: .2rem; }
.scope-card p { font-size: .85rem; color: var(--text-dim); }

/* ── Drawer ── */
.drawer {
  position: fixed; top: 0; inset-inline-start: 0; height: 100dvh; width: min(420px, 92vw);
  background: #060C1A; border-inline-end: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg); z-index: 40;
  display: flex; flex-direction: column;
  transform: translateX(-102%); transition: transform .28s cubic-bezier(.4,0,.2,1);
}
[dir="rtl"] .drawer { inset-inline-start: auto; inset-inline-end: 0; transform: translateX(102%); border-inline-end: none; border-inline-start: 1px solid var(--border-strong); }
.drawer.open { transform: none; }
.drawer-head, .drawer-foot {
  display: flex; align-items: center; justify-content: space-between; gap: .6rem;
  padding: .9rem 1.1rem; border-bottom: 1px solid var(--border);
}
.drawer-head h3 { font-size: 1rem; }
.drawer-foot { border-bottom: none; border-top: 1px solid var(--border); }
.drawer-body { flex: 1; overflow-y: auto; padding: 1.1rem; display: flex; flex-direction: column; gap: .9rem; }
.field-label { font-size: .76rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .08em; font-weight: 600; }
#b-distro, .drawer-body select {
  width: 100%; background: var(--bg-card); border: 1px solid var(--border-strong);
  color: var(--text); border-radius: var(--r-sm); padding: .55rem .7rem; font-size: .88rem;
}
.picked { display: flex; flex-direction: column; gap: .45rem; }
.picked-row {
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
  font-size: .84rem; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: .45rem .6rem;
}
.picked-row span { font-family: var(--mono); font-size: .8rem; }
.backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.6); backdrop-filter: blur(3px); z-index: 35; }

/* ── Modal ── */
.overlay {
  position: fixed; inset: 0; z-index: 50; display: flex; align-items: center; justify-content: center;
  padding: 1rem; background: rgba(0,0,0,.7); backdrop-filter: blur(5px); animation: fadeUp .2s ease;
}
.modal {
  width: 100%; max-width: 620px; max-height: 88dvh; overflow-y: auto;
  background: #060C1A; border: 1px solid var(--border-strong); border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg); padding: 1.5rem;
}
.modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: .8rem; margin-bottom: .3rem; }
.modal h3 { font-family: var(--mono); font-size: 1.15rem; letter-spacing: -.01em; }
.modal .cat-cat { font-size: .8rem; color: var(--accent); margin-bottom: .8rem; }
.modal p { font-size: .9rem; color: var(--text-dim); margin-bottom: .9rem; }
.modal h4 {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--text-dim);
  margin: 1.1rem 0 .5rem; font-weight: 600;
}
.inst-list { display: flex; flex-direction: column; gap: .4rem; }
.inst { display: flex; align-items: center; justify-content: space-between; gap: .6rem; }
.inst-label { font-family: var(--mono); font-size: .7rem; color: var(--text-dim); min-width: 68px; direction: ltr; }
.modal .code { flex: 1; }
.modal-foot { display: flex; gap: .6rem; margin-top: 1.3rem; flex-wrap: wrap; }
.modal-foot .btn { flex: 1; min-width: 140px; }

/* ── Toast + empty ── */
.toast-wrap {
  position: fixed; bottom: 1.4rem; inset-inline-end: 1.4rem; z-index: 90;
  display: flex; flex-direction: column; gap: .5rem;
}
.toast {
  padding: .7rem 1.1rem; border-radius: var(--r-sm); font-size: .87rem; font-weight: 500;
  box-shadow: var(--shadow-lg); animation: fadeUp .28s ease both;
  background: #0B1526; border: 1px solid var(--border-strong); max-width: 340px;
}
.toast.success { border-color: rgba(34,197,94,.45); color: #BBF7D0; }
.toast.error { border-color: rgba(239,68,68,.45); color: #FECACA; }
.empty {
  text-align: center; padding: 3rem 1rem; color: var(--text-dim);
  border: 1px dashed var(--border-strong); border-radius: var(--r);
}
.empty b { display: block; color: var(--text); font-size: 1rem; margin-bottom: .3rem; }

/* ── Footer + animations ── */
.footer {
  position: relative; z-index: 1; border-top: 1px solid var(--border);
  padding: 2rem 1.25rem 3rem; text-align: center;
  font-size: .85rem; color: var(--text-dim); max-width: 1220px; margin: 0 auto;
}
.footer b { color: var(--text); }
.footer-sub { font-size: .78rem; margin-top: .4rem; opacity: .8; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
@media (max-width: 760px) {
  .nav-links .nav-link { display: none; }
  .grid, .grid-2, .grid-distros { grid-template-columns: 1fr; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .hero-search { padding-inline-start: .8rem; }
}

/* ── Icons ── */
.ico { display: inline-flex; align-items: center; justify-content: center; }
.ico svg { width: 1em; height: 1em; }
.cat-ico svg { width: 18px; height: 18px; }
.scope-ico svg { width: 17px; height: 17px; }
.btn svg, .link-btn svg { width: 15px; height: 15px; flex: none; }
.picked-row .icon-btn svg { width: 14px; height: 14px; }
.brand-mark { width: 20px; height: 20px; color: var(--accent); flex: none; }
.hero-badge svg { width: 13px; height: 13px; }
.hero-search-icon { display: inline-flex; }
.hero-search-icon svg { width: 17px; height: 17px; }
.card-title, .modal h3 { font-family: var(--mono); }
.modal .card-tags { margin: .6rem 0 0; }
.modal .inst-list .tag, .modal .cat-cat { font-size: .78rem; }

/* ── Script box ── */
.script-box {
  display: block; white-space: pre; overflow: auto; max-height: 46dvh;
  padding: .8rem .9rem; text-align: left; direction: ltr;
}
.script-box pre { font-family: var(--mono); font-size: .74rem; color: #A7F3D0; line-height: 1.65; }
.filters select, .drawer-body select { min-width: 130px; }
.distro-desc { line-height: 1.75; }

.icon-btn svg { width: 15px; height: 15px; }
.icon-btn { display: inline-flex; align-items: center; justify-content: center; }

/* ── Practice environments ── */
.practice-card { display: flex; flex-direction: column; gap: .6rem; }
.practice-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: .7rem; flex-wrap: wrap;
}
.practice-head h3 { font-size: 1rem; font-weight: 700; letter-spacing: -.01em; line-height: 1.4; }
.practice-card .link-btn { align-self: flex-start; margin-top: auto; }
.practice-card .link-btn svg { width: 15px; height: 15px; }

.lab-panel {
  margin-top: 1.6rem; padding: 1.6rem;
  background: linear-gradient(180deg, rgba(34,197,94,.06), rgba(255,255,255,.02));
  border: 1px solid var(--border-strong); border-radius: var(--r-lg);
  box-shadow: var(--shadow);
}
.lab-title {
  font-size: 1.05rem; font-weight: 700; margin-bottom: 1rem;
  display: flex; align-items: center; gap: .5rem;
}
.lab-title::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 12px var(--accent-glow);
}
.lab-steps {
  list-style: none; counter-reset: step;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: .5rem 1.6rem;
}
.lab-steps li {
  counter-increment: step; position: relative;
  padding-inline-start: 2.4rem; padding-block: .45rem;
  font-size: .9rem; color: var(--text-dim); line-height: 1.65;
}
.lab-steps li::before {
  content: counter(step, decimal);
  position: absolute; inset-inline-start: 0; top: .45rem;
  width: 1.6rem; height: 1.6rem; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--mono); font-size: .72rem; font-weight: 700;
  color: var(--accent); background: var(--accent-soft);
  border: 1px solid rgba(34,197,94,.3);
}
.lab-steps li b { color: var(--text); font-weight: 600; margin-inline-end: .35rem; }
@media (max-width: 640px) {
  .lab-steps { grid-template-columns: 1fr; }
}