/* ===== JELSZÓ GENERÁTOR ===== */

:root {
  --bg:           #050E0D;
  --surface:      #0A1A18;
  --surface2:     #0F2320;
  --border:       rgba(10,239,203,0.10);
  --border-hover: rgba(10,239,203,0.25);
  --accent:       #0AEFCB;
  --accent-glow:  rgba(10,239,203,0.14);
  --text:         #DFF5F2;
  --muted:        rgba(223,245,242,0.45);
  --danger:       rgba(245,100,100,0.9);
  --success:      rgba(100,220,150,0.9);
  --t:            0.2s;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── BACK BUTTON ── */
.back {
  position: fixed;
  top: 1.25rem;
  left: 1.5rem;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t);
  letter-spacing: 0.02em;
}
.back:hover { color: var(--text); }
.back svg { opacity: 0.7; transition: opacity var(--t); }
.back:hover svg { opacity: 1; }

/* ── HERO ── */
.hero {
  min-height: 52vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 7rem 1.5rem 4rem;
  text-align: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 55%, rgba(10,239,203,0.11) 0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 50% 85%, rgba(10,239,203,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(10,239,203,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 0%, transparent 70%);
  mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 0%, transparent 70%);
  pointer-events: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(10,239,203,0.22);
  border-radius: 50px;
  padding: 0.35rem 1rem;
  margin-bottom: 1.4rem;
  background: rgba(10,239,203,0.06);
  animation: fade-up 0.8s cubic-bezier(.16,1,.3,1) 0.3s both;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2.2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.65); }
}

.hero h1 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(3.2rem, 10vw, 6.8rem);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1.25rem;
  animation: fade-up 0.9s cubic-bezier(.16,1,.3,1) 0.45s both;
}

.hero h1 .line2 {
  font-style: italic;
  color: var(--accent);
}

.hero-subtitle {
  font-size: clamp(0.87rem, 2vw, 1rem);
  color: var(--muted);
  max-width: 420px;
  line-height: 1.75;
  animation: fade-up 0.9s cubic-bezier(.16,1,.3,1) 0.6s both;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── MAIN / CONTAINER ── */
main { padding-bottom: 5rem; }

.container {
  max-width: 620px;
  margin-inline: auto;
  padding: 0 1.5rem;
}

/* ── CARDS ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 28px;
  margin-bottom: 14px;
  animation: fade-up 0.65s cubic-bezier(.16,1,.3,1) both;
}

.card:nth-child(1) { animation-delay: 0.05s; }
.card:nth-child(2) { animation-delay: 0.15s; }
.card:nth-child(3) { animation-delay: 0.25s; }

/* ── PASSWORD DISPLAY ── */
.pw-display-wrap {
  position: relative;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 52px 18px 20px;
  min-height: 70px;
  display: flex;
  align-items: center;
  margin-bottom: 14px;
  transition: border-color var(--t);
}

.pw-display-wrap:hover {
  border-color: var(--border-hover);
}

.pw-text {
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Courier New', monospace;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--text);
  word-break: break-all;
  flex: 1;
  line-height: 1.5;
  transition: color var(--t);
}

.pw-text.hidden-text {
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* ── ICON BUTTON ── */
.icon-btn {
  position: absolute;
  top: 50%;
  right: 14px;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--t), background var(--t);
  flex-shrink: 0;
}
.icon-btn:hover {
  color: var(--accent);
  background: var(--accent-glow);
}
.icon-btn.copied {
  color: var(--success);
}

/* ── ACTION BUTTONS ── */
.action-row {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 12px;
  font-family: 'Inter', sans-serif;
  font-size: 0.87rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--muted);
  transition: border-color var(--t), color var(--t), background var(--t), opacity var(--t);
  white-space: nowrap;
}

.action-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

.action-btn.primary {
  background: var(--accent);
  color: #021a17;
  border-color: var(--accent);
  font-weight: 600;
}

.action-btn.primary:hover {
  opacity: 0.88;
}

.action-btn.copied {
  background: rgba(100,220,150,0.1);
  border-color: rgba(100,220,150,0.3);
  color: var(--success);
}

.action-btn.small {
  padding: 7px 14px;
  font-size: 0.8rem;
}

/* ── STRENGTH BAR ── */
.strength-wrap {
  padding-top: 2px;
}

.strength-track {
  height: 6px;
  background: var(--surface2);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 8px;
}

.strength-fill {
  height: 100%;
  border-radius: 6px;
  width: 0;
  transition: width 0.45s cubic-bezier(.34,1.4,.64,1), background-color 0.3s ease;
}

.strength-fill[data-level="1"] { width: 25%; background: #F56565; }
.strength-fill[data-level="2"] { width: 50%; background: #ED8936; }
.strength-fill[data-level="3"] { width: 75%; background: #48BB78; }
.strength-fill[data-level="4"] { width: 100%; background: var(--accent); box-shadow: 0 0 8px rgba(10,239,203,0.4); }

.strength-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.strength-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  transition: color var(--t);
}

.strength-fill[data-level="1"] ~ .strength-meta .strength-label,
.strength-meta:has(+ [data-level="1"]) .strength-label { color: #F56565; }

.strength-meta .strength-label[data-level="1"] { color: #F56565; }
.strength-meta .strength-label[data-level="2"] { color: #ED8936; }
.strength-meta .strength-label[data-level="3"] { color: #48BB78; }
.strength-meta .strength-label[data-level="4"] { color: var(--accent); }

.entropy-label {
  font-size: 0.75rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ── SETTINGS CARD ── */
.settings-card { padding: 24px 28px; }

.field-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.setting-block {
  margin-bottom: 22px;
}

.setting-block.last { margin-bottom: 0; }

.setting-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.setting-header .field-label { margin-bottom: 0; }

.setting-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  min-width: 2.5ch;
  text-align: right;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ── RANGE SLIDER ── */
.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 5px;
  outline: none;
  cursor: pointer;
  background: linear-gradient(
    to right,
    var(--accent) var(--pct, 9.5%),
    var(--surface2) var(--pct, 9.5%)
  );
  margin-bottom: 6px;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2.5px solid var(--bg);
  box-shadow: 0 0 0 2px rgba(10,239,203,0.3);
  transition: transform 0.15s, box-shadow 0.15s;
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 0 4px rgba(10,239,203,0.2);
}

.slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  border: 2.5px solid var(--bg);
  cursor: pointer;
}

.slider::-moz-range-progress {
  background: var(--accent);
  border-radius: 5px;
  height: 5px;
}

.slider-range {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--muted);
  padding: 0 1px;
}

/* ── CHARSET TOGGLES ── */
.charset-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface2);
  cursor: pointer;
  transition: border-color var(--t), background var(--t);
  user-select: none;
}

.toggle input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
}

.toggle-box {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  border: 1.5px solid rgba(223,245,242,0.25);
  background: transparent;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t), border-color var(--t);
}

.toggle.active {
  border-color: rgba(10,239,203,0.28);
  background: rgba(10,239,203,0.05);
}

.toggle.active .toggle-box {
  background: var(--accent);
  border-color: var(--accent);
}

.toggle.active .toggle-box::after {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: 2px solid #021a17;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translateY(-1px);
}

.toggle-text {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--muted);
  transition: color var(--t);
  line-height: 1.3;
}

.toggle.active .toggle-text { color: var(--text); }

.toggle-text code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.75rem;
  opacity: 0.7;
  display: block;
  margin-top: 1px;
}

/* ── COUNT STEPPER ── */
.stepper {
  display: flex;
  align-items: center;
  gap: 4px;
}

.stepper-btn {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--muted);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--t), color var(--t), background var(--t);
  line-height: 1;
}

.stepper-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.stepper-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.stepper-val {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  min-width: 2ch;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* ── MULTI OUTPUT CARD ── */
.multi-card { padding: 22px 28px; }

.multi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.multi-header .field-label { margin: 0; }

.multi-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.multi-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  transition: border-color var(--t);
}

.multi-item:hover { border-color: var(--border-hover); }

.multi-pw {
  flex: 1;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--text);
  word-break: break-all;
}

.multi-item .icon-btn {
  position: static;
  transform: none;
  width: 28px;
  height: 28px;
}

/* ── FOOTER ── */
footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted);
}

footer a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t);
}

footer a:hover { color: var(--text); }

/* ── RESPONSIVE ── */
@media (max-width: 520px) {
  .container { padding: 0 1rem; }
  .hero { padding: 6rem 1rem 3rem; min-height: 48vh; }
  .card { padding: 22px 18px; }
  .charset-grid { grid-template-columns: 1fr; }
  .action-row { flex-wrap: wrap; }
  .action-btn { flex: 1; min-width: 120px; }
}