:root {
  --pw-accent:      #ec4899;
  --pw-accent-2:    #f43f5e;
  --pw-accent-soft: rgba(236, 72, 153, 0.14);
  --pw-accent-line: rgba(236, 72, 153, 0.55);
  --pw-surface:     rgba(255, 255, 255, 0.03);
  --pw-surface-2:   rgba(255, 255, 255, 0.05);
  --pw-border:      rgba(255, 255, 255, 0.08);
  --pw-border-str:  rgba(255, 255, 255, 0.16);
  --pw-text:        rgba(255, 255, 255, 0.88);
  --pw-text-dim:    rgba(255, 255, 255, 0.55);
  --pw-radius:      14px;
  --pw-mono:        'JetBrains Mono', 'Cascadia Code', 'Fira Mono', monospace;
}

/* ---------- Shell ---------- */
.pw-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.1rem 1.25rem 3rem;
}
.pw-back {
  color: var(--pw-text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}
.pw-back:hover { color: var(--pw-accent); }

/* ---------- Hero ---------- */
.pw-hero { text-align: center; padding: 1.4rem 0 1.2rem; }
.pw-hero-kicker {
  display: inline-block;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pw-accent);
  margin-bottom: 0.45rem;
}
.pw-hero-title {
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  font-weight: 800;
  margin: 0 0 0.5rem;
  background: linear-gradient(135deg, var(--pw-accent), var(--pw-accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.pw-hero-sub {
  color: var(--pw-text-dim);
  margin: 0 auto;
  max-width: 600px;
  font-size: 0.96rem;
  line-height: 1.5;
}
.pw-hero-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}
.pw-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.74rem;
  color: var(--pw-text-dim);
  border: 1px solid var(--pw-border);
  background: var(--pw-surface);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
}
.pw-chip-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: linear-gradient(135deg, var(--pw-accent), var(--pw-accent-2));
  box-shadow: 0 0 8px rgba(236, 72, 153, 0.6);
}

/* ---------- Workspace ---------- */
.pw-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 1rem;
  align-items: start;
  margin-top: 1rem;
}

/* ---------- Panels ---------- */
.pw-panel {
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius);
  background:
    radial-gradient(circle at 100% 0%, rgba(236, 72, 153, 0.06), transparent 45%),
    var(--pw-surface);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 1rem 1.1rem 1.15rem;
  margin-bottom: 1rem;
}
.pw-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.9rem;
}
.pw-panel-head h2 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pw-text-dim);
  margin: 0;
}

/* ---------- Mode toggle ---------- */
.pw-mode-toggle {
  display: flex;
  border: 1px solid var(--pw-border-str);
  border-radius: 8px;
  overflow: hidden;
}
.pw-mode-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--pw-text-dim);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  transition: all 0.18s;
}
.pw-mode-btn.active {
  background: linear-gradient(135deg, var(--pw-accent), var(--pw-accent-2));
  color: #fff;
}

/* ---------- Output row ---------- */
.pw-output-wrap { margin-bottom: 1rem; }
.pw-display-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.pw-display {
  flex: 1;
  min-width: 0;
  font-family: var(--pw-mono);
  font-size: 1rem;
  color: #22c55e;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--pw-border-str);
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  overflow-x: auto;
  white-space: nowrap;
  transition: color 0.2s;
  letter-spacing: 0.04em;
}
.pw-display.masked { color: var(--pw-text-dim); letter-spacing: 0.2em; }

.pw-eye-btn {
  flex-shrink: 0;
  width: 38px; height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--pw-border-str);
  border-radius: 9px;
  background: var(--pw-surface-2);
  color: var(--pw-text-dim);
  cursor: pointer;
  transition: all 0.18s;
}
.pw-eye-btn:hover { color: var(--pw-accent); border-color: var(--pw-accent-line); }
.pw-eye-icon { width: 16px; height: 16px; }

.pw-copy-btn {
  flex-shrink: 0;
  padding: 0.58rem 1rem;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, var(--pw-accent), var(--pw-accent-2));
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.18s;
  white-space: nowrap;
}
.pw-copy-btn:hover { box-shadow: 0 6px 20px rgba(236, 72, 153, 0.35); transform: translateY(-1px); }
.pw-copy-btn.copied { background: #22c55e; }

/* ---------- Mini strength bar (under display) ---------- */
.pw-mini-strength {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.45rem;
}
.pw-mini-bar {
  flex: 1;
  height: 5px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.pw-mini-fill {
  height: 100%;
  border-radius: 3px;
  width: 0%;
  transition: width 0.45s ease, background 0.3s;
}
.pw-mini-label {
  font-size: 0.7rem;
  font-weight: 600;
  min-width: 60px;
  text-align: right;
}

/* ---------- Presets ---------- */
.pw-presets {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}
.pw-presets-label {
  font-size: 0.72rem;
  color: var(--pw-text-dim);
  font-weight: 600;
}
.pw-preset-btn {
  appearance: none;
  border: 1px solid var(--pw-border-str);
  background: var(--pw-surface-2);
  color: var(--pw-text);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.18s;
}
.pw-preset-btn:hover,
.pw-preset-btn.active {
  border-color: var(--pw-accent-line);
  color: var(--pw-accent);
}

/* ---------- Shared form elements ---------- */
.pw-field {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
  font-size: 0.78rem;
  color: var(--pw-text-dim);
  flex: 1;
}
.pw-field-sm { max-width: 100%; }
.pw-field-row { display: flex; gap: 0.7rem; margin-bottom: 0.65rem; }
.pw-field-row .pw-field { min-width: 0; }

.pw-range {
  width: 100%;
  accent-color: var(--pw-accent);
  cursor: pointer;
  margin-top: 0.25rem;
}
.pw-range-val {
  color: var(--pw-accent);
  font-weight: 700;
  font-size: 0.78rem;
}

.pw-input, .pw-select {
  width: 100%;
  box-sizing: border-box;
  padding: 0.58rem 0.7rem;
  border-radius: 9px;
  border: 1px solid var(--pw-border-str);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s;
  font-family: inherit;
}
.pw-input:focus, .pw-select:focus {
  border-color: var(--pw-accent-line);
  box-shadow: 0 0 0 3px var(--pw-accent-soft);
}
.pw-mono { font-family: var(--pw-mono); font-size: 0.9rem; }
.pw-select option { background: #0b1220; }

.pw-checkgrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin-bottom: 0.8rem;
}
.pw-check {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--pw-text);
  cursor: pointer;
}
.pw-check input { accent-color: var(--pw-accent); width: 14px; height: 14px; }
.pw-check code {
  background: var(--pw-surface-2);
  padding: 0.05rem 0.28rem;
  border-radius: 4px;
  font-size: 0.72rem;
  font-family: var(--pw-mono);
}

/* ---------- Accordion ---------- */
.pw-acc { border-top: 1px solid var(--pw-border); margin-top: 0.4rem; }
.pw-acc-head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  color: var(--pw-text-dim);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.6rem 0;
  cursor: pointer;
}
.pw-acc-caret { transition: transform 0.2s; }
.pw-acc[data-acc-open="true"] .pw-acc-caret { transform: rotate(180deg); }
.pw-acc-body {
  display: none;
  padding: 0 0 0.75rem;
  flex-direction: column;
  gap: 0.65rem;
}
.pw-acc[data-acc-open="true"] .pw-acc-body { display: flex; }

/* ---------- Regen row ---------- */
.pw-regen-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0.85rem;
}
.pw-entropy-pill {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--pw-text-dim);
  border: 1px solid var(--pw-border);
  border-radius: 999px;
  padding: 0.18rem 0.55rem;
  white-space: nowrap;
}

/* ---------- Buttons ---------- */
.pw-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--pw-border-str);
  background: var(--pw-surface-2);
  color: var(--pw-text);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.18s;
  font-family: inherit;
  white-space: nowrap;
}
.pw-btn:hover { border-color: var(--pw-accent-line); transform: translateY(-1px); }
.pw-btn-primary {
  background: linear-gradient(135deg, var(--pw-accent), var(--pw-accent-2));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 16px rgba(236, 72, 153, 0.3);
}
.pw-btn-primary:hover { box-shadow: 0 8px 26px rgba(236, 72, 153, 0.42); }
.pw-btn-ghost { background: transparent; border-color: var(--pw-border); }
.pw-btn-xs { font-size: 0.72rem; padding: 0.28rem 0.6rem; border-radius: 6px; }

/* ---------- History ---------- */
.pw-history {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.5rem;
}
.pw-history-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--pw-border);
  border-radius: 9px;
  background: var(--pw-surface-2);
  cursor: pointer;
  transition: all 0.18s;
  font-family: var(--pw-mono);
  font-size: 0.78rem;
  color: var(--pw-text-dim);
  overflow: hidden;
}
.pw-history-item:hover { border-color: var(--pw-accent-line); color: #fff; }
.pw-history-pw {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.04em;
}
.pw-history-len {
  flex-shrink: 0;
  font-size: 0.66rem;
  color: var(--pw-text-dim);
  background: var(--pw-surface);
  border: 1px solid var(--pw-border);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
}

.pw-hint {
  font-size: 0.76rem;
  color: var(--pw-text-dim);
  margin: 0.5rem 0 0;
  line-height: 1.4;
}

/* ---------- Strength panels ---------- */
.pw-strength-col { position: sticky; top: 1rem; }

.pw-strength-content { display: flex; flex-direction: column; gap: 0.7rem; }

/* Main meter */
.pw-meter-wrap { }
.pw-meter-bar {
  height: 9px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.pw-meter-fill {
  height: 100%;
  border-radius: 5px;
  width: 0%;
  transition: width 0.5s ease, background 0.35s;
}
.pw-meter-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.4rem;
}
.pw-meter-label {
  font-size: 0.88rem;
  font-weight: 700;
}
.pw-entropy-note {
  font-size: 0.72rem;
  color: var(--pw-text-dim);
}

/* Crack time table */
.pw-crack-table {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: var(--pw-surface);
  border: 1px solid var(--pw-border);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
}
.pw-crack-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.76rem;
}
.pw-crack-scenario { color: var(--pw-text-dim); }
.pw-crack-time { font-weight: 700; color: var(--pw-text); font-family: var(--pw-mono); font-size: 0.72rem; }

/* Pool info */
.pw-pool-note {
  font-size: 0.72rem;
  color: var(--pw-text-dim);
}

/* Pattern badges */
.pw-patterns { display: flex; flex-direction: column; gap: 0.35rem; }
.pw-pattern-badge {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  font-size: 0.74rem;
  padding: 0.4rem 0.6rem;
  border-radius: 7px;
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.25);
  color: #fbbf24;
}
.pw-pattern-badge.critical {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.25);
  color: #f87171;
}
.pw-pattern-icon { flex-shrink: 0; font-size: 0.8rem; }

/* Tips */
.pw-tips { display: flex; flex-direction: column; gap: 0.3rem; }
.pw-tip {
  font-size: 0.74rem;
  color: var(--pw-text-dim);
  padding-left: 1rem;
  position: relative;
}
.pw-tip::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--pw-accent);
}

.pw-excellent {
  font-size: 0.8rem;
  font-weight: 700;
  color: #22c55e;
  text-align: center;
  padding: 0.5rem;
}

/* Checker row */
.pw-check-row {
  display: flex;
  gap: 0.45rem;
  align-items: center;
}
.pw-check-row .pw-input { flex: 1; }

/* ---------- Toast ---------- */
.pw-toast-host {
  position: fixed;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9500;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
.pw-toast {
  pointer-events: auto;
  min-width: 200px;
  max-width: 360px;
  padding: 0.7rem 1rem;
  border-radius: 10px;
  font-size: 0.85rem;
  color: #fff;
  background: rgba(20, 28, 40, 0.96);
  border: 1px solid var(--pw-border-str);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s;
  cursor: pointer;
}
.pw-toast.show { opacity: 1; transform: translateY(0); }
.pw-toast.success { border-color: rgba(34, 197, 94, 0.5); }
.pw-toast.error   { border-color: rgba(239, 68, 68, 0.5); }

/* ---------- Shared ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .pw-workspace { grid-template-columns: 1fr; }
  .pw-strength-col { position: static; }
}
@media (max-width: 480px) {
  .pw-checkgrid { grid-template-columns: 1fr; }
  .pw-field-row { flex-direction: column; }
}