@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Orbitron:wght@400;700;900&display=swap');

:root {
  --bg: #080c10;
  --panel: #0d1520;
  --border: #1a2a3a;
  --amber: #f5a623;
  --amber-dim: #7a5010;
  --red: #e05252;
  --green: #4ecb71;
  --blue: #4a9eff;
  --text: #c8d8e8;
  --dim: #4a6070;
  --mono: 'Share Tech Mono', monospace;
  --display: 'Orbitron', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scanline overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* Vignette */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.6) 100%);
  pointer-events: none;
  z-index: 9998;
}

header {
  border-bottom: 1px solid var(--border);
  padding: 24px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, rgba(245,166,35,0.05) 0%, transparent 100%);
}

.logo {
  font-family: var(--display);
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--amber);
  text-shadow: 0 0 20px rgba(245,166,35,0.5);
}

.logo span { color: var(--text); opacity: 0.4; }

.status-bar {
  display: flex;
  gap: 20px;
  font-size: 0.7rem;
  color: var(--dim);
}

.status-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: pulse 2s infinite;
  margin-right: 6px;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 24px 60px;
  display: grid;
  gap: 24px;
}

.intro {
  font-size: 0.75rem;
  color: var(--dim);
  line-height: 1.8;
  border-left: 2px solid var(--amber-dim);
  padding-left: 16px;
}

.intro strong { color: var(--amber); }

/* Panel */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  opacity: 0.4;
}

.panel-label {
  font-family: var(--display);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--amber);
  margin-bottom: 20px;
  opacity: 0.8;
}

.input-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

#passwordInput {
  flex: 1;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 1.1rem;
  padding: 14px 18px;
  outline: none;
  letter-spacing: 0.1em;
  transition: border-color 0.2s, box-shadow 0.2s;
  caret-color: var(--amber);
}

#passwordInput::placeholder { color: var(--dim); }

#passwordInput:focus {
  border-color: var(--amber-dim);
  box-shadow: 0 0 12px rgba(245,166,35,0.1);
}

.toggle-btn,
#toggleBtn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 14px 16px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.toggle-btn:hover,
#toggleBtn:hover { border-color: var(--amber-dim); color: var(--amber); }

/* Strength Meter */
.strength-section { margin-top: 20px; }

.strength-label {
  font-size: 0.7rem;
  color: var(--dim);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#strengthText {
  font-family: var(--display);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  transition: color 0.3s;
}

.meter-track {
  height: 4px;
  background: rgba(255,255,255,0.05);
  border-radius: 2px;
  overflow: hidden;
}

#strengthBar {
  height: 100%;
  width: 0%;
  border-radius: 2px;
  transition: width 0.4s ease, background 0.3s;
  box-shadow: 0 0 8px currentColor;
}

.char-stats {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.char-stat {
  font-size: 0.65rem;
  color: var(--dim);
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 4px 10px;
  transition: all 0.2s;
}

.char-stat.active {
  color: var(--green);
  border-color: rgba(78,203,113,0.3);
}

/* Hash Display */
.hash-grid { display: grid; gap: 12px; }

.hash-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 12px;
  align-items: center;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 12px 16px;
  transition: border-color 0.2s;
}

.hash-row:hover { border-color: var(--amber-dim); }

.hash-algo {
  font-family: var(--display);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  color: var(--amber);
  opacity: 0.7;
}

.hash-value {
  font-size: 0.72rem;
  color: var(--blue);
  word-break: break-all;
  line-height: 1.4;
  opacity: 0.85;
  transition: opacity 0.2s;
}

.hash-value.empty { color: var(--dim); font-style: italic; }

.copy-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.6rem;
  padding: 4px 8px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.copy-btn:hover { border-color: var(--blue); color: var(--blue); }
.copy-btn.copied { border-color: var(--green); color: var(--green); }

/* Crack Controls */
.crack-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

select {
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 10px 14px;
  outline: none;
  cursor: pointer;
}

select:focus { border-color: var(--amber-dim); }

.crack-btn,
#crackBtn {
  background: rgba(245,166,35,0.08);
  border: 1px solid var(--amber-dim);
  border-radius: 3px;
  color: var(--amber);
  font-family: var(--display);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  padding: 10px 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.crack-btn:hover,
#crackBtn:hover {
  background: rgba(245,166,35,0.15);
  box-shadow: 0 0 12px rgba(245,166,35,0.2);
}

.crack-btn:disabled,
#crackBtn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Terminal Output */
.terminal-output {
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 16px;
  margin-top: 16px;
  min-height: 120px;
  font-size: 0.72rem;
  line-height: 1.9;
  position: relative;
  overflow: hidden;
}

.terminal-output .line { display: block; }
.t-dim   { color: var(--dim); }
.t-amber { color: var(--amber); }
.t-red   { color: var(--red); }
.t-green { color: var(--green); }
.t-blue  { color: var(--blue); }

.cursor {
  display: inline-block;
  width: 8px; height: 13px;
  background: var(--amber);
  animation: blink 1s infinite;
  vertical-align: text-bottom;
  margin-left: 2px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Progress Bar */
.crack-progress { margin-top: 12px; display: none; }
.crack-progress.visible { display: block; }

.progress-label {
  font-size: 0.65rem;
  color: var(--dim);
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
}

.progress-track {
  height: 3px;
  background: rgba(255,255,255,0.05);
  border-radius: 2px;
  overflow: hidden;
}

#progressFill {
  height: 100%;
  width: 0%;
  background: var(--amber);
  box-shadow: 0 0 6px var(--amber);
  transition: width 0.1s linear;
}

/* Info Cards */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 600px) {
  .info-grid { grid-template-columns: 1fr; }
  .hash-row { grid-template-columns: 60px 1fr; }
  .copy-btn { display: none; }
}

.info-card {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 16px;
}

.info-card h4 {
  font-family: var(--display);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: var(--amber);
  margin-bottom: 10px;
  opacity: 0.7;
}

.info-card p {
  font-size: 0.68rem;
  color: var(--dim);
  line-height: 1.7;
}

.info-card p strong { color: var(--text); }

/* Entropy Display */
#entropyVal {
  font-family: var(--display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--amber);
  display: block;
  margin: 8px 0 4px;
}

#crackTime {
  font-size: 0.65rem;
  color: var(--dim);
}

/* Footer */
footer {
  text-align: center;
  padding: 24px;
  font-size: 0.65rem;
  color: var(--dim);
  border-top: 1px solid var(--border);
}

footer span { color: var(--amber); opacity: 0.6; }

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel { animation: fadeIn 0.4s ease both; }
.panel:nth-child(2) { animation-delay: 0.1s; }
.panel:nth-child(3) { animation-delay: 0.2s; }
.panel:nth-child(4) { animation-delay: 0.3s; }