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

:root {
  --bg:         #0d0f14;
  --surface:    #13161d;
  --card:       #181c25;
  --border:     #252a36;
  --border-hi:  #2f3647;
  --accent:     #00e5a0;
  --accent-dim: #00b07a;
  --accent2:    #0099ff;
  --django:     #44b78b;
  --danger:     #ff4d6d;
  --warn:       #ffb627;
  --text:       #e2e8f0;
  --muted:      #64748b;
  --mono:       'JetBrains Mono', monospace;
  --sans:       'Syne', sans-serif;
}

html, body { height: 100%; }

body {
  font-family: var(--mono);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,160,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,160,.025) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

/* Django green glow */
body::after {
  content: '';
  position: fixed;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(68,183,139,.06) 0%, transparent 70%);
  bottom: -200px;
  right: -150px;
  pointer-events: none;
  z-index: 0;
}

.page {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  gap: 1.25rem;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 2rem;
}

/* Header */
.header .tag {
  font-size: .68rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--django); margin-bottom: .4rem;
  display: flex; align-items: center; gap: .4rem;
}
.header .tag::before { content: '>'; }
h1 { font-family: var(--sans); font-size: 2rem; font-weight: 700; letter-spacing: -.015em; line-height: 1.05; }
h1 span { color: var(--accent); }
.header p { font-size: .75rem; color: var(--muted); margin-top: .4rem; line-height: 1.6; }

/* Main card */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; }

/* Key output */
.key-section { padding: 1.5rem; border-bottom: 1px solid var(--border); }
.key-label { font-size: .65rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: .6rem; }
.key-display {
  font-family: var(--mono); font-size: .82rem; font-weight: 500;
  color: var(--accent); word-break: break-all; line-height: 1.7;
  padding: 1rem 1.1rem; background: var(--surface);
  border: 1px solid var(--border-hi); border-radius: 8px;
  letter-spacing: .04em; transition: border-color .2s;
  min-height: 3.5rem; cursor: text; user-select: all; position: relative;
}
.key-display:hover { border-color: var(--accent-dim); }
.key-actions { display: flex; gap: .5rem; margin-top: .75rem; align-items: center; flex-wrap: wrap; }

/* Buttons */
.btn {
  font-family: var(--mono); font-size: .7rem; font-weight: 500; letter-spacing: .07em;
  padding: .45rem .9rem; border-radius: 6px; border: 1px solid var(--border-hi);
  cursor: pointer; transition: all .14s ease;
  display: inline-flex; align-items: center; gap: .4rem; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #0d0f14; border-color: var(--accent); font-weight: 700; }
.btn-primary:hover { background: #00ffb3; border-color: #00ffb3; }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--text); background: var(--surface); }

/* Flash */
.flash { font-size: .68rem; padding: .35rem .7rem; border-radius: 5px; opacity: 0; transition: opacity .2s; margin-left: auto; }
.flash.show { opacity: 1; }
.flash.ok   { color: var(--accent); background: rgba(0,229,160,.08); border: 1px solid rgba(0,229,160,.2); }

/* Strength + entropy */
.meta-row { display: flex; gap: 1rem; align-items: center; margin-top: .75rem; flex-wrap: wrap; }
.strength-wrap { display: flex; align-items: center; gap: .6rem; flex: 1; }
.strength-label { font-size: .63rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; white-space: nowrap; }
.strength-track { flex: 1; height: 4px; background: var(--border); border-radius: 99px; overflow: hidden; }
.strength-fill { height: 100%; border-radius: 99px; transition: width .4s ease, background .4s ease; width: 0; }
.strength-text { font-size: .63rem; min-width: 70px; text-align: right; }
.entropy-pill {
  font-size: .63rem; padding: .2rem .55rem; border-radius: 99px;
  background: rgba(0,229,160,.08); border: 1px solid rgba(0,229,160,.15);
  color: var(--accent); white-space: nowrap;
}

/* Options */
.options { padding: 1.25rem 1.5rem; }
.options-title { font-size: .65rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 1rem; }
.options-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-bottom: 1.25rem; }

@media (max-width: 500px) {
  .options-grid { grid-template-columns: 1fr; }
}

/* Length slider */
.option-row { display: flex; align-items: center; gap: .75rem; }
.option-row--length { margin-bottom: 1.1rem; }
.option-label { font-size: .68rem; color: var(--muted); white-space: nowrap; min-width: 80px; }

input[type=range] {
  flex: 1; -webkit-appearance: none; appearance: none;
  height: 4px; background: var(--border-hi); border-radius: 99px;
  outline: none; cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent-dim); transition: transform .1s;
}
input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.2); }
.range-val { font-size: .85rem; font-weight: 700; color: var(--accent); min-width: 2rem; text-align: right; }

/* Toggle group */
.toggles-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.toggle-item {
  display: flex; align-items: center; gap: .6rem;
  padding: .6rem .85rem; background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px;
  cursor: pointer; transition: all .14s; user-select: none;
}
.toggle-item:hover { border-color: var(--border-hi); }
.toggle-item.active { border-color: var(--accent); background: rgba(0,229,160,.05); }
.tog-check {
  width: 15px; height: 15px; border-radius: 4px;
  border: 1.5px solid var(--border-hi);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: all .14s;
}
.toggle-item.active .tog-check { background: var(--accent); border-color: var(--accent); }
.tog-check svg { display: none; }
.toggle-item.active .tog-check svg { display: block; }
.tog-info .tog-name { font-size: .72rem; color: var(--text); display: block; }
.tog-info .tog-chars { font-size: .6rem; color: var(--muted); display: block; margin-top: .05rem; }
.toggle-item.active .tog-name { color: var(--accent); }

.sep { height: 1px; background: var(--border); margin: 1.1rem 0; }
.sep--no-top { margin-top: 0; }

/* Format selector */
.format-row { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.format-label { font-size: .68rem; color: var(--muted); margin-right: .25rem; }
.fmt-btn {
  font-family: var(--mono); font-size: .67rem; padding: .3rem .65rem;
  border-radius: 5px; border: 1px solid var(--border-hi);
  background: transparent; color: var(--muted);
  cursor: pointer; transition: all .13s; letter-spacing: .04em;
}
.fmt-btn.active { background: var(--django); color: #0d0f14; border-color: var(--django); font-weight: 700; }
.fmt-btn:not(.active):hover { color: var(--text); background: var(--surface); }

/* Snippet preview */
.snippet-section { border-top: 1px solid var(--border); background: var(--surface); }
.snippet-header {
  display: flex; align-items: center; gap: .5rem;
  padding: .65rem 1rem; border-bottom: 1px solid var(--border);
  cursor: pointer; user-select: none;
}
.snippet-header:hover { background: rgba(255,255,255,.02); }
.snippet-title { font-size: .65rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); flex: 1; }
.snippet-toggle-icon { color: var(--muted); transition: transform .2s; }
.snippet-section.open .snippet-toggle-icon { transform: rotate(180deg); }
.snippet-body { display: none; padding: 1rem; gap: .75rem; flex-direction: column; }
.snippet-section.open .snippet-body { display: flex; }
.snippet-tabs { display: flex; gap: .35rem; flex-wrap: wrap; }
.snip-tab {
  font-family: var(--mono); font-size: .65rem; padding: .25rem .55rem;
  border-radius: 5px; border: 1px solid var(--border-hi);
  background: transparent; color: var(--muted); cursor: pointer; transition: all .12s;
}
.snip-tab.active { background: var(--accent); color: #0d0f14; border-color: var(--accent); font-weight: 700; }
.snippet-code {
  font-family: var(--mono); font-size: .75rem; line-height: 1.7;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 8px; padding: 1rem; color: var(--text);
  white-space: pre; overflow-x: auto; position: relative;
}
.code-key  { color: var(--accent); }
.code-val  { color: #86efac; }
.code-str  { color: #fbbf24; }
.code-cmt  { color: var(--muted); font-style: italic; }
.code-kw   { color: #c084fc; }
.code-fn   { color: #7dd3fc; }
.snip-copy {
  position: absolute; top: .6rem; right: .6rem;
  font-family: var(--mono); font-size: .62rem; padding: .2rem .5rem;
  border-radius: 4px; border: 1px solid var(--border-hi);
  background: var(--surface); color: var(--muted); cursor: pointer; transition: all .12s;
}
.snip-copy:hover { color: var(--text); border-color: var(--accent); }

/* History */
.history-section { border-top: 1px solid var(--border); }
.history-header {
  display: flex; align-items: center; padding: .65rem 1rem;
  cursor: pointer; user-select: none; gap: .5rem;
}
.history-header:hover { background: rgba(255,255,255,.02); }
.history-title { font-size: .65rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); flex: 1; }
.history-count { font-size: .6rem; padding: .1rem .4rem; border-radius: 99px; background: var(--border-hi); color: var(--muted); }
.history-icon { color: var(--muted); transition: transform .2s; }
.history-section.open .history-icon { transform: rotate(180deg); }
.history-list { display: none; flex-direction: column; gap: 0; padding: .4rem .75rem .75rem; }
.history-section.open .history-list { display: flex; }
.history-item {
  display: flex; align-items: center; gap: .75rem;
  padding: .5rem; border-radius: 7px; transition: background .12s; cursor: pointer;
}
.history-item:hover { background: rgba(255,255,255,.03); }
.history-key { font-size: .7rem; color: var(--muted); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; letter-spacing: .03em; }
.history-item:hover .history-key { color: var(--text); }
.history-time { font-size: .6rem; color: var(--muted); white-space: nowrap; opacity: .6; }
.history-use {
  font-size: .62rem; color: var(--accent-dim); padding: .15rem .4rem;
  border-radius: 4px; border: 1px solid rgba(0,229,160,.2); white-space: nowrap; transition: all .12s;
}
.history-item:hover .history-use { color: var(--accent); border-color: rgba(0,229,160,.4); }
.history-empty { font-size: .72rem; color: var(--muted); padding: .5rem; font-style: italic; }

/* Footer */
.footer-note { font-size: .63rem; color: var(--muted); text-align: center; letter-spacing: .04em; }
.footer-note a { color: var(--accent-dim); text-decoration: none; }
.footer-note a:hover { color: var(--accent); }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-hi); border-radius: 99px; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.page { animation: fadeUp .35s ease both; }

@keyframes flash {
  0%,100% { opacity: 1; }
  50%      { opacity: .3; }
}
.regen { animation: flash .1s ease; }


/* ── Site Nav ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13,15,20,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-nav-inner {
  display: flex;
  align-items: center;
  height: 56px;
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}
.nav-logo {
  font-family: var(--mono);
  font-size: .85rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -.01em;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: .15rem;
}
.nav-logo .brace { color: var(--muted); font-weight: 400; }
.nav-links { display: flex; align-items: center; gap: 1.5rem; flex: 1; }
.nav-links a {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: .03em;
  transition: color .14s;
}
.nav-links a:hover { color: var(--text); }
.nav-dropdown { position: relative; }
.nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--accent);
  padding: 0;
  letter-spacing: .03em;
  transition: color .14s;
}
.nav-dropdown-toggle:hover { color: #00ffb3; }
.nav-dropdown-toggle svg { transition: transform .2s ease; }
.nav-dropdown.open .nav-dropdown-toggle svg { transform: rotate(180deg); }
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 1rem);
  left: 50%;
  transform: translateX(-50%);
  min-width: 210px;
  background: #181c25;
  border: 1px solid var(--border-hi);
  border-radius: 10px;
  padding: .4rem;
  display: none;
  flex-direction: column;
  gap: .15rem;
  box-shadow: 0 12px 32px rgba(0,0,0,.6);
  z-index: 999;
}
.nav-dropdown.open .nav-dropdown-menu { display: flex; animation: dropIn .15s ease both; }
.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .55rem .75rem;
  border-radius: 7px;
  font-size: .75rem;
  color: #94a3b8;
  text-decoration: none;
  transition: background .12s, color .12s;
  white-space: nowrap;
  letter-spacing: .02em;
}
.nav-dropdown-menu a:hover { background: rgba(0,229,160,.07); color: var(--accent); }
.nav-dropdown-menu a.active { background: rgba(0,229,160,.1); color: var(--accent); }
.nav-dropdown-menu a svg { opacity: .55; flex-shrink: 0; }
.nav-dropdown-menu a:hover svg,
.nav-dropdown-menu a.active svg { opacity: 1; }
@keyframes dropIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-6px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.nav-cv {
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 700;
  padding: .35rem .85rem;
  border-radius: 6px;
  background: var(--accent);
  color: #0d0f14;
  text-decoration: none;
  letter-spacing: .05em;
  transition: background .14s;
  white-space: nowrap;
  margin-left: auto;
}
.nav-cv:hover { background: #00ffb3; }
@media (max-width: 640px) {
  .nav-links a:not(.nav-dropdown-toggle) { display: none; }
}