/* ============================================================
   mdothree-password — styles.css
   ============================================================ */

:root {
  --emerald: #10B981;
  --emerald-dark: #059669;
  --slate-900: #0F172A;
  --slate-800: #1E293B;
  --slate-500: #64748B;
  --slate-300: #CBD5E1;
  --slate-100: #F1F5F9;
  --white: #FFFFFF;
  --bg: var(--white);
  --surface: var(--slate-100);
  --text-primary: var(--slate-900);
  --text-secondary: var(--slate-500);
  --border: var(--slate-300);
  --card-bg: var(--white);
  --danger: #EF4444;
  --warn: #F59E0B;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --radius: 12px;
  --transition: 160ms cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.site-header {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 28px;
  height: 56px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo .dot { color: var(--emerald); }

.tool-nav { display: flex; gap: 4px; }
.tool-nav a {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--text-secondary);
  transition: background var(--transition), color var(--transition);
}
.tool-nav a:hover { background: var(--surface); color: var(--text-primary); }
.tool-nav a.active { background: var(--surface); color: var(--emerald); font-weight: 600; }

.tool-main {
  max-width: 700px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.tool-header { margin-bottom: 36px; }
.tool-header h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.tool-header p { font-size: 0.9rem; color: var(--text-secondary); }

.tool-body { display: flex; flex-direction: column; gap: 20px; }

/* ---- Password display ---- */
.password-display-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.password-display {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  word-break: break-all;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  user-select: all;
}

.pw-actions { display: flex; gap: 8px; }

.btn-icon {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.btn-icon:hover { border-color: var(--emerald); color: var(--emerald); }

/* ---- Strength bar ---- */
.strength-bar-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.strength-bar-track {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}

.strength-bar-fill {
  height: 100%;
  border-radius: 99px;
  width: 0%;
  transition: width 300ms, background 300ms;
}

.strength-label {
  font-size: 0.78rem;
  font-weight: 600;
  min-width: 60px;
  text-align: right;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

/* ---- Options ---- */
.option-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.option-section { display: flex; flex-direction: column; gap: 10px; }

.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}
.checkbox-item input[type="checkbox"] {
  accent-color: var(--emerald);
  width: 15px;
  height: 15px;
}

.field-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.input-field {
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-primary);
  outline: none;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.input-field:focus {
  border-color: var(--emerald);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.12);
}

.slider { width: 100%; accent-color: var(--emerald); cursor: pointer; }

/* ---- Buttons ---- */
.btn-primary {
  padding: 12px 28px;
  background: var(--emerald);
  color: white;
  border: none;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.btn-primary:hover { background: var(--emerald-dark, #059669); transform: translateY(-1px); }

.btn-ghost {
  padding: 10px 18px;
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-ghost:hover { border-color: var(--text-primary); color: var(--text-primary); }

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

/* ---- Output / lists ---- */
.output-panel {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.pw-list { display: flex; flex-direction: column; gap: 8px; }

.pw-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  cursor: pointer;
  transition: border-color var(--transition);
  word-break: break-all;
}
.pw-item:hover { border-color: var(--emerald); }

.pw-item-strength {
  margin-left: auto;
  min-width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Strength colors */
.strength-very-weak  { color: var(--danger); }
.strength-weak       { color: #F97316; }
.strength-fair       { color: var(--warn); }
.strength-strong     { color: #22C55E; }
.strength-very-strong{ color: var(--emerald); }

.fill-very-weak   { background: var(--danger);  width: 15%; }
.fill-weak        { background: #F97316;         width: 35%; }
.fill-fair        { background: var(--warn);     width: 55%; }
.fill-strong      { background: #22C55E;         width: 75%; }
.fill-very-strong { background: var(--emerald);  width: 100%; }

/* Misc */
.hidden { display: none !important; }
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--slate-800);
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.85rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms, transform 200ms;
  z-index: 9999;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 640px) {
  .site-header { padding: 0 16px; }
  .tool-main { padding: 28px 16px 60px; }
  .checkbox-grid { grid-template-columns: 1fr; }
}

/* ---- Additional component classes (added during refactor) ---- */
.input-with-action { display: flex; gap: 10px; align-items: center; }
.btn-icon-sm { width: 44px; height: 44px; min-width: 44px; border: 1.5px solid var(--border); border-radius: 8px; background: var(--card-bg); font-size: 1rem; cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--text-secondary); transition: all var(--transition); }
.btn-icon-sm:hover { border-color: var(--emerald); color: var(--emerald); }
.input-field--narrow { width: 80px; display: inline-block; }
.analysis-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.analysis-value { font-family: var(--font-mono); font-size: 1.1rem; margin-top: 4px; }
.feedback-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.feedback-item { font-size: 0.85rem; color: var(--text-secondary); }
.feedback-item--good { color: var(--emerald); }
.entropy-info { font-size: 0.82rem; color: var(--text-secondary); font-family: var(--font-mono); }
.pw-display--pin { font-size: 2rem; letter-spacing: 0.2em; }
.pw-item--pin span { letter-spacing: 0.15em; }
.info-banner { background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.3); border-radius: var(--radius); padding: 14px 16px; font-size: 0.85rem; color: var(--text-secondary); }
.breach-result { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
.breach-detail { font-size: 0.85rem; color: var(--text-secondary); }