/* ============================================
   TOOLBOX — Individual Tool Page Styles
   ============================================ */

.tool-page {
  min-height: 100vh;
  background: var(--bg-base);
  display: flex;
  flex-direction: column;
}

/* Tool header */
.tool-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 40px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
}

.tool-header-back {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  transition: var(--transition);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}

.tool-header-back:hover { color: var(--text-primary); background: var(--bg-raised); }

.tool-header-divider {
  width: 1px; height: 20px;
  background: var(--border-subtle);
}

.tool-header-icon {
  font-size: 22px;
}

.tool-header-info h1 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.tool-header-info p {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.tool-header-actions { margin-left: auto; display: flex; gap: 8px; }

/* Theme & Lang toggles for tool page */
.theme-toggle {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.theme-toggle:hover {
  background: var(--bg-raised);
  border-color: var(--border-mid);
}

.theme-toggle .theme-icon-dark,
.theme-toggle .theme-icon-light {
  font-size: 18px;
  line-height: 1;
}

[data-theme="dark"] .theme-icon-light { display: none; }
[data-theme="light"] .theme-icon-dark { display: none; }

.lang-toggle {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12px;
  color: var(--text-secondary);
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lang-toggle:hover {
  background: var(--bg-raised);
  border-color: var(--border-mid);
  color: var(--text-primary);
}

/* Tool body */
.tool-body {
  flex: 1;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  padding: 40px 32px;
}

/* Input groups */
.input-group {
  margin-bottom: 20px;
}

.input-label {
  display: block;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.input-field {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 15px;
  font-family: var(--font-body);
  transition: var(--transition);
}

.input-field:focus {
  outline: none;
  border-color: var(--border-accent);
  box-shadow: 0 0 0 3px rgba(99,179,255,0.1);
}

.input-field::placeholder { color: var(--text-muted); }

.input-field.mono {
  font-family: var(--font-mono);
  font-size: 14px;
}

textarea.input-field { resize: vertical; min-height: 120px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-blue);
  color: #0d1117;
}
.btn-primary:hover { background: #85c7ff; transform: translateY(-1px); }

.btn-secondary {
  background: var(--bg-raised);
  color: var(--text-primary);
  border: 1px solid var(--border-mid);
}
.btn-secondary:hover { background: var(--bg-hover); border-color: var(--border-accent); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}
.btn-ghost:hover { color: var(--text-primary); border-color: var(--border-mid); background: var(--bg-surface); }

.btn-danger {
  background: rgba(255,107,138,0.1);
  color: var(--accent-rose);
  border: 1px solid rgba(255,107,138,0.2);
}
.btn-danger:hover { background: rgba(255,107,138,0.2); }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 14px 28px; font-size: 15px; }

.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* Output panel */
.output-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.output-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-raised);
}

.output-panel-title {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.output-panel-body {
  padding: 20px;
}

/* Result display */
.result-large {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 300;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}

.result-unit {
  font-size: 20px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-left: 8px;
}

/* Card panel */
.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}

.panel-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Grid layout for tool body */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.three-col { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

@media (max-width: 700px) {
  .tool-header { padding: 0 16px; }
  .tool-body { padding: 24px 16px; }
  .two-col, .three-col { grid-template-columns: 1fr; }
  .result-large { font-size: 36px; }
}

/* Select */
select.input-field {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234a5568' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

select.input-field option { background: var(--bg-surface); }

/* Range slider */
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: var(--bg-raised);
  border-radius: 2px;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  background: var(--accent-blue);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.2); }

/* Checkbox / toggle */
.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.toggle {
  position: relative;
  width: 40px; height: 22px;
}

.toggle input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute; inset: 0;
  background: var(--bg-raised);
  border: 1px solid var(--border-mid);
  border-radius: 11px;
  transition: var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 2px; top: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: var(--transition);
}

.toggle input:checked + .toggle-slider {
  background: rgba(99,179,255,0.2);
  border-color: var(--accent-blue);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(18px);
  background: var(--accent-blue);
}

.toggle-label { font-size: 13.5px; color: var(--text-secondary); }

/* Copy feedback */
.copy-feedback {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--accent-green);
  opacity: 0;
  transition: opacity 0.3s;
}
.copy-feedback.show { opacity: 1; }

/* Tag badge */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-family: var(--font-mono);
}
.badge-blue { background: rgba(99,179,255,0.1); color: var(--accent-blue); }
.badge-green { background: rgba(86,208,139,0.1); color: var(--accent-green); }
.badge-amber { background: rgba(245,166,35,0.1); color: var(--accent-amber); }
.badge-rose { background: rgba(255,107,138,0.1); color: var(--accent-rose); }

/* Notification toast */
.toast {
  position: fixed;
  bottom: 24px; right: 24px;
  background: var(--bg-raised);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  font-size: 13.5px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
  transform: translateY(60px);
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
  pointer-events: none;
}
.toast.visible { transform: translateY(0); opacity: 1; }

/* Divider */
.divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 24px 0;
}

/* Playiee v2.0 overrides */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@300;400;500&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
  --font-display: 'Outfit', 'Noto Sans SC', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-body: 'Outfit', 'Noto Sans SC', sans-serif;
  --accent-blue: #6366f1;
  --text-accent: #818cf8;
}