/* GSTBox Password Generator — scoped styles.
   All rules live under .gen-card (the password-tool card) so they don't
   bleed into other GSTBox tabs / toggles. */

.gen-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}
.gen-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--primary);
}

/* ===== Tabs (scoped to .gen-card) ===== */
.gen-card .tabs {
  display: flex;
  margin: 0;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  padding-top: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.gen-card .tabs::-webkit-scrollbar { display: none; }
.gen-card .tab {
  flex: 1;
  min-width: 100px;
  padding: 14px 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
}
.gen-card .tab svg { width: 16px; height: 16px; flex: none; }
.gen-card .tab[aria-selected="true"] {
  background: var(--surface);
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ===== Display ===== */
.gen-card .display {
  padding: var(--space-6) var(--space-5);
  border-bottom: 1px solid var(--border);
}
.gen-card .display__row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.gen-card .display__row:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.gen-card .display__pw {
  flex: 1;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 600;
  color: var(--text);
  word-break: break-all;
  user-select: all;
  min-height: 1.4em;
  line-height: 1.4;
}
.gen-card .display__pw .ch { display: inline-block; transition: color 0.3s ease; }
.gen-card .display__pw.is-scrambling .ch { color: var(--primary); }

.gen-card .regen-btn {
  flex: none;
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--primary);
  border: none;
  color: #fff;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background 0.15s ease, transform 0.12s ease;
  box-shadow: var(--shadow-cta);
}
.gen-card .regen-btn:hover { background: var(--primary-deep); }
.gen-card .regen-btn:active { transform: scale(0.96); }
.gen-card .regen-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.gen-card .regen-btn svg { width: 20px; height: 20px; }
.gen-card .regen-btn.is-spinning svg { animation: pw-spin 0.5s ease; }
@keyframes pw-spin { to { transform: rotate(360deg); } }

.gen-card .strength {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.gen-card .strength__bar {
  flex: 1;
  height: 6px;
  background: var(--surface-2);
  border-radius: var(--radius-pill);
  overflow: hidden;
  border: 1px solid var(--border);
}
.gen-card .strength__fill {
  height: 100%;
  width: 0%;
  border-radius: var(--radius-pill);
  transition: width 0.3s ease, background 0.3s ease;
}
.gen-card .strength__label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-dim);
  min-width: 84px;
  text-align: right;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.gen-card .strength[data-level="weak"]      .strength__fill { width: 25%;  background: var(--danger); }
.gen-card .strength[data-level="fair"]      .strength__fill { width: 50%;  background: var(--warn); }
.gen-card .strength[data-level="strong"]    .strength__fill { width: 75%;  background: var(--primary); }
.gen-card .strength[data-level="excellent"] .strength__fill { width: 100%; background: var(--success); }
.gen-card .strength[data-level="weak"]      .strength__label { color: var(--danger); }
.gen-card .strength[data-level="fair"]      .strength__label { color: var(--warn); }
.gen-card .strength[data-level="strong"]    .strength__label { color: var(--primary); }
.gen-card .strength[data-level="excellent"] .strength__label { color: var(--success); }

.gen-card .btn--password {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: 14px var(--space-5);
  border-radius: var(--radius);
  border: 1px solid transparent;
  background: var(--primary);
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-cta);
  transition: all 0.15s ease;
}
.gen-card .btn--password:hover { background: var(--primary-deep); transform: translateY(-1px); }
.gen-card .btn--password:active { transform: translateY(0); }
.gen-card .btn--password.is-copied { background: var(--success); box-shadow: 0 6px 16px rgba(22, 163, 74, 0.35); }
.gen-card .btn--password:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }

/* ===== Controls ===== */
.gen-card .controls { padding: var(--space-5); }
.gen-card .control { margin-bottom: var(--space-5); }
.gen-card .control:last-child { margin-bottom: 0; }
.gen-card .control__label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.gen-card .stepper {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.gen-card .stepper__btn {
  width: 28px; height: 28px;
  border-radius: 7px;
  border: none;
  background: var(--surface);
  color: var(--text-dim);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all 0.15s ease;
  box-shadow: var(--shadow-sm);
}
.gen-card .stepper__btn:hover:not(:disabled) {
  background: var(--primary);
  color: #fff;
}
.gen-card .stepper__btn:active:not(:disabled) { transform: scale(0.94); }
.gen-card .stepper__btn:disabled { opacity: 0.30; cursor: not-allowed; }
.gen-card .stepper__btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.gen-card .stepper__btn svg { width: 14px; height: 14px; }
.gen-card .stepper__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  min-width: 36px;
  text-align: center;
  padding: 0 6px;
  user-select: none;
  transition: color 0.2s ease;
}
.gen-card .stepper__value.is-named {
  font-family: var(--font-ui);
  min-width: 90px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--primary);
}
.gen-card .stepper__value.is-bumping { color: var(--primary); }

.gen-card .slider-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  padding: 0 4px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-mute);
  letter-spacing: 0.02em;
}
.gen-card .slider-scale span { flex: 1; text-align: center; position: relative; }
.gen-card .slider-scale span:first-child { text-align: left; }
.gen-card .slider-scale span:last-child { text-align: right; }

.gen-card .slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  outline: none;
}
.gen-card .slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 3px solid var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s ease;
}
.gen-card .slider::-webkit-slider-thumb:hover { transform: scale(1.1); }
.gen-card .slider::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 3px solid var(--surface);
  box-shadow: var(--shadow-sm);
}
.gen-card .slider:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px var(--primary-soft); }

.gen-card .toggles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}
.gen-card .toggle {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 12px var(--space-4);
  border-radius: var(--radius);
  background: var(--surface);
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  user-select: none;
  position: relative;
}
.gen-card .toggle:hover { border-color: var(--border-strong); background: var(--surface-2); }
.gen-card .toggle:has(input:checked) { border-color: var(--primary); background: var(--primary-soft); }
.gen-card .toggle input { position: absolute; opacity: 0; pointer-events: none; }
.gen-card .toggle__box {
  width: 18px; height: 18px;
  border-radius: 4px;
  border: 2px solid var(--border-strong);
  display: inline-flex; align-items: center; justify-content: center;
  flex: none;
  transition: all 0.15s ease;
  background: var(--surface);
}
.gen-card .toggle__box svg { width: 12px; height: 12px; opacity: 0; color: #fff; transition: opacity 0.15s ease; }
.gen-card .toggle input:checked ~ .toggle__box { background: var(--primary); border-color: var(--primary); }
.gen-card .toggle input:checked ~ .toggle__box svg { opacity: 1; }
.gen-card .toggle input:focus-visible ~ .toggle__box { box-shadow: 0 0 0 3px var(--primary-soft); }

.gen-card .pw-select {
  width: 100%;
  padding: 12px var(--space-4);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s ease;
}
.gen-card .pw-select:hover { border-color: var(--border-strong); }
.gen-card .pw-select:focus-visible { outline: 2px solid var(--primary); outline-offset: 0; border-color: var(--primary); }

.gen-card .panel { display: none; }
.gen-card .panel.is-active { display: block; }
.gen-card .panel__intro {
  margin: 0 0 var(--space-4);
  color: var(--text-dim);
  font-size: 14px;
}

/* Confetti on copy */
.confetti {
  position: fixed;
  width: 8px; height: 8px;
  border-radius: 2px;
  pointer-events: none;
  z-index: 200;
  animation: pw-confetti 0.9s ease-out forwards;
}
@keyframes pw-confetti {
  0% { transform: translate(0, 0) rotate(0deg); opacity: 1; }
  100% { transform: translate(var(--cx), var(--cy)) rotate(360deg); opacity: 0; }
}

@media (max-width: 600px) {
  .gen-card .toggles { grid-template-columns: 1fr; }
  .gen-card .display { padding: var(--space-5) var(--space-4); }
  .gen-card .controls { padding: var(--space-4); }
  .gen-card .tab { font-size: 13px; padding: 12px 8px; min-width: 90px; }
  .gen-card .tab svg { width: 14px; height: 14px; }
}