/* ==========================================
   Tool Page Layout Structure
   ========================================== */
.tool-hero {
  padding: 3rem 0 2rem;
  text-align: center;
  background: linear-gradient(180deg, rgba(5, 150, 105, 0.04) 0%, transparent 100%);
}

.tool-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  background-color: rgba(5, 150, 105, 0.08);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.tool-hero h1 {
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
  font-weight: 800;
}

.tool-tagline {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.5;
}

/* Tool Interface Cards */
.tool-workspace {
  margin-bottom: 3.5rem;
}

.tool-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  .tool-grid {
    grid-template-columns: 1.2fr 0.8fr; /* Form panel slightly wider */
  }
}

.panel-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.panel-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.75rem;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Form Controls */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: 0.95rem;
  color: var(--color-text-primary);
  background-color: rgba(10, 12, 11, 0.4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  font-family: inherit;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

[data-theme="light"] .form-control {
  background-color: #FFFFFF;
}

.form-control:focus {
  border-color: var(--color-accent-hover);
  box-shadow: var(--shadow-glow);
}

textarea.form-control {
  resize: vertical;
  min-height: 180px;
}

/* Tab Switching Control */
.tab-container {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.tab-btn {
  background: none;
  border: none;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-speed), border-color var(--transition-speed);
}

.tab-btn:hover {
  color: var(--color-accent-hover);
}

.tab-btn.active {
  color: var(--color-accent-hover);
  border-bottom: 2px solid var(--color-accent);
}

/* Checkbox and Sliders */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.9rem;
  cursor: pointer;
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-sm);
  accent-color: var(--color-accent);
  cursor: pointer;
}

.slider-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 600;
}

.slider-value {
  color: var(--color-accent-hover);
}

.slider-control {
  width: 100%;
  accent-color: var(--color-accent);
  height: 6px;
  border-radius: 3px;
  background-color: var(--color-border);
  outline: none;
  cursor: pointer;
}

/* ==========================================
   Output Panels & Values
   ========================================== */
.results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.result-card {
  background-color: rgba(30, 48, 40, 0.15);
  border: 1px solid var(--color-border);
  padding: 1rem;
  border-radius: var(--radius-md);
  text-align: center;
}

[data-theme="light"] .result-card {
  background-color: rgba(167, 243, 208, 0.15);
}

.result-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.result-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent-hover);
}

[data-theme="light"] .result-value {
  color: var(--color-accent);
}

.output-textarea {
  font-family: monospace;
  font-size: 1.05rem;
  background-color: rgba(10, 12, 11, 0.6) !important;
  color: var(--color-accent-hover);
  min-height: 120px;
}

[data-theme="light"] .output-textarea {
  background-color: #FFFFFF !important;
  color: var(--color-accent);
}

.action-bar {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

/* Clipboard Alert Message */
.copy-feedback {
  font-size: 0.85rem;
  color: var(--color-accent-hover);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  opacity: 0;
  transition: opacity var(--transition-speed);
}

.copy-feedback.visible {
  opacity: 1;
}

/* ==========================================
   SEO Content & Explainer Section
   ========================================== */
.tool-explainer {
  padding: 4rem 0;
  border-top: 1px solid var(--color-border);
}

.explainer-content {
  max-width: 800px;
  margin: 0 auto;
}

.explainer-content h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.explainer-content h2:first-of-type {
  margin-top: 0;
}

.explainer-content ul, .explainer-content ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.explainer-content li {
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.explainer-content p {
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

/* ==========================================
   FAQ Accordions (details/summary)
   ========================================== */
.faq-section {
  margin-top: 3.5rem;
  margin-bottom: 4.5rem; /* Added bottom margin to resolve footer merging bug */
}

.faq-section h2 {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--color-text-primary);
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  overflow: hidden;
  transition: border-color var(--transition-speed);
}

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

.faq-item summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  user-select: none;
  list-style: none; /* Hide default arrow */
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-primary);
}

/* Custom indicator for summary */
.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform var(--transition-speed);
}

.faq-item[open] summary::after {
  content: '−';
  transform: rotate(180deg);
}

/* Standard HTML details marker hide */
.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-answer {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  opacity: 0.85;
}

/* ==========================================
   Special Tool UI Tweaks
   ========================================== */
/* Password strength styles */
.strength-indicator {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.strength-bar-wrapper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.25rem;
  height: 6px;
  background-color: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}

.strength-bar {
  height: 100%;
  background-color: transparent;
  transition: background-color var(--transition-speed);
}

.strength-text {
  font-size: 0.8rem;
  font-weight: 700;
  text-align: right;
  text-transform: uppercase;
}

/* QR Code Canvas container */
.qr-preview-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background-color: #FFFFFF; /* QR Codes scan best on plain white */
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-top: 0.5rem;
  min-height: 250px;
}

.qr-preview-container canvas {
  max-width: 100%;
  height: auto !important;
}

/* Hide canvas wrapper in dark theme to keep it beautiful */
[data-theme="light"] .qr-preview-container {
  background-color: #FFFFFF;
}

/* Wifi encryption type buttons */
.radio-tabs {
  display: flex;
  background-color: rgba(10, 12, 11, 0.4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.25rem;
  gap: 0.25rem;
}

[data-theme="light"] .radio-tabs {
  background-color: #FFFFFF;
}

.radio-tab-label {
  flex: 1;
  text-align: center;
  cursor: pointer;
}

.radio-tab-label input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-tab-text {
  display: block;
  padding: 0.4rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

.radio-tab-label input:checked + .radio-tab-text {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

/* ==========================================
   Tool Page Trust Banner
   ========================================== */
.tool-trust-shield {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background-color: rgba(5, 150, 105, 0.04);
  border: 1px dashed var(--color-accent);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: 1.5rem;
  text-align: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

[data-theme="light"] .tool-trust-shield {
  background-color: rgba(5, 150, 105, 0.02);
  border-color: var(--color-border-emerald);
  color: var(--color-accent-hover);
}

.tool-trust-shield svg {
  color: var(--color-accent);
  flex-shrink: 0;
}