/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   css/tools.css — Styles for individual tool pages
  Imports style.css globals. Used by all tools/_template.php pages.
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

/* ── Breadcrumb ─────────────────────────────────────────────────── */
.breadcrumb {
  padding: 14px 0;
  font-size: 13px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-text-muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--color-primary); text-decoration: none; }
.breadcrumb-sep { opacity: 0.4; margin: 0 4px; }
.breadcrumb-current { color: var(--color-text-secondary); }

/* ── Tool Hero ──────────────────────────────────────────────────── */
.tool-hero { padding: 20px 0 28px; }
.tool-hero h1 {
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 900;
  color: var(--color-text);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 14px;
  letter-spacing: -0.02em;
  flex-wrap: wrap;
}
.tool-hero-icon {
  font-size: 38px;
  line-height: 1;
  flex-shrink: 0;
}
.tool-tagline {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 640px;
  line-height: 1.7;
}
.tool-meta {
  display: flex;
  gap: 16px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.tool-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ── Ad Slots ───────────────────────────────────────────────────── */
.ad-slot {
  margin: 24px 0;
  text-align: center;
  min-height: 1px;
  overflow: hidden;
}
.ad-slot:empty { display: none; margin: 0; }

/* ── Tool Container ─────────────────────────────────────────────── */
.tool-container {
  background: var(--color-bg-card);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  margin-bottom: 8px;
  box-shadow: var(--shadow-sm);
}

/* ── Upload / Drop Zone ─────────────────────────────────────────── */
.upload-area {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  background: var(--color-bg-secondary);
}
.upload-area:hover,
.upload-area.drag-over {
  border-color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.04);
}
.upload-area input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.upload-icon { font-size: 52px; margin-bottom: 14px; }
.upload-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}
.upload-subtitle {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 18px;
}
.upload-limits {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 12px;
}

/* ── Tool Controls ──────────────────────────────────────────────── */
.tool-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
  margin: 20px 0;
}
.control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 150px;
}
.control-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.2px;
}
.control-input,
.control-select,
.control-textarea {
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 14px;
  font-family: inherit;
  transition: all var(--transition);
  outline: none;
  width: 100%;
}
.control-input:focus,
.control-select:focus,
.control-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}
.control-textarea { resize: vertical; min-height: 120px; }
.control-range { width: 100%; accent-color: var(--color-primary); cursor: pointer; }
.range-value {
  text-align: center;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 15px;
  min-width: 48px;
}

/* ── Tool Output ────────────────────────────────────────────────── */
.tool-output {
  margin-top: 20px;
}
.output-panel {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: 10px;
}
.output-title { font-size: 14px; font-weight: 600; color: var(--color-text); }
.output-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.output-body { padding: 20px; }

/* ── File Info Card ─────────────────────────────────────────────── */
.file-info {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-top: 14px;
}
.file-info-icon { font-size: 28px; flex-shrink: 0; }
.file-info-details { flex: 1; min-width: 0; }
.file-info-name { font-size: 14px; font-weight: 600; color: var(--color-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-info-size { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }
.file-info-actions { margin-left: auto; flex-shrink: 0; }

/* ── Stats Grid ─────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 14px;
  margin: 20px 0;
}
.stat-card {
  text-align: center;
  padding: 18px 12px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.stat-value {
  font-size: 22px;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1.2;
}
.stat-value.saving { color: var(--color-success); }
.stat-value.large { font-size: 18px; }
.stat-label { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; font-weight: 500; }

/* ── Loading State ──────────────────────────────────────────────── */
.tool-loading {
  text-align: center;
  padding: 48px 24px;
}
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.loading-text { font-size: 14px; color: var(--color-text-secondary); }

/* ── Error & Success States ─────────────────────────────────────── */
.tool-error, .tool-success { margin: 14px 0; }
.error-box, .success-box {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
}
.error-box {
  background: rgba(239,68,68,0.07);
  color: #dc2626;
  border: 1px solid rgba(239,68,68,0.2);
}
.success-box {
  background: rgba(16,185,129,0.07);
  color: #059669;
  border: 1px solid rgba(16,185,129,0.2);
}
[data-theme="dark"] .error-box { background: rgba(239,68,68,0.12); }
[data-theme="dark"] .success-box { background: rgba(16,185,129,0.12); }
.error-icon, .success-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }

/* ── Preview Area ───────────────────────────────────────────────── */
.preview-wrap {
  display: flex;
  gap: 20px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.preview-col {
  flex: 1;
  min-width: 200px;
}
.preview-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}
.preview-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: block;
}
.preview-placeholder {
  width: 100%;
  height: 200px;
  background: var(--color-bg-secondary);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 13px;
}

/* ── Canvas Output ──────────────────────────────────────────────── */
.canvas-wrap {
  display: flex;
  justify-content: center;
  padding: 20px;
  background: #f0f0f0;
  border-radius: var(--radius-md);
  overflow: auto;
}
[data-theme="dark"] .canvas-wrap { background: #2d3748; }

/* ── Code Output ────────────────────────────────────────────────── */
.code-output {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
  word-break: break-all;
  white-space: pre-wrap;
  color: var(--color-text);
  min-height: 60px;
  max-height: 300px;
  overflow-y: auto;
}

/* ── How to Use ─────────────────────────────────────────────────── */
.how-to-use {
  margin: 40px 0;
  padding: 32px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--color-border);
}
.how-to-use h2 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 22px;
  color: var(--color-text);
}
.how-to-use ol {
  list-style: none;
  counter-reset: steps;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.how-to-use ol li {
  counter-increment: steps;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}
.how-to-use ol li::before {
  content: counter(steps);
  flex-shrink: 0;
  width: 34px; height: 34px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  margin-top: 1px;
}
.how-to-use ol li strong { color: var(--color-text); font-weight: 600; }

/* ── FAQ Accordion ──────────────────────────────────────────────── */
.faq { margin: 40px 0; }
.faq h2 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--color-text);
}
.faq-item {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:has(.faq-question.open) { border-color: var(--color-primary); }
.faq-question {
  width: 100%;
  text-align: left;
  padding: 16px 20px;
  background: var(--color-bg-card);
  border: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: background var(--transition), color var(--transition);
  font-family: inherit;
  line-height: 1.4;
}
.faq-question:hover { background: var(--color-bg-secondary); }
.faq-question.open { color: var(--color-primary); background: rgba(var(--color-primary-rgb), 0.04); }
.faq-arrow { flex-shrink: 0; transition: transform 0.3s ease; font-size: 11px; color: var(--color-text-muted); }
.faq-question.open .faq-arrow { transform: rotate(180deg); }
.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.2s ease;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.75;
  background: var(--color-bg-card);
}
.faq-answer.open {
  max-height: 400px;
  padding: 16px 20px 20px;
  border-top: 1px solid var(--color-border-light);
}

/* ── Related Tools Grid ─────────────────────────────────────────── */
.related-tools { margin: 40px 0 20px; }
.related-tools h2 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--color-text);
}
#related-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

/* ── Chart Container ────────────────────────────────────────────── */
.chart-wrap {
  position: relative;
  max-width: 360px;
  margin: 20px auto;
}

/* ── QR Output ──────────────────────────────────────────────────── */
.qr-output {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 24px;
}
.qr-canvas-wrap {
  background: #fff;
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: inline-flex;
}

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .tool-container { padding: 20px 16px; }
  .how-to-use { padding: 22px 18px; }
  .tool-controls { flex-direction: column; }
  .control-group { min-width: 100%; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .preview-wrap { flex-direction: column; }
  .output-header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .tool-hero h1 { font-size: 22px; gap: 10px; }
  .faq-question { font-size: 14px; padding: 14px 16px; }
  .faq-answer.open { padding: 12px 16px 16px; }
}