/**
 * public/css/tools/web/web-tools-shared.css
 * Shared CSS for all Web Utility Tool pages.
 * Uses the site design system tokens from style.css.
 * Matches PDF tools layout: neutral white hero, consistent containers.
 */

/* ================================================================
   HERO — neutral white to match PDF tools
================================================================ */
.tool-hero-simple {
  background: var(--surface, #ffffff);
  border-bottom-color: var(--border);
}

/* ================================================================
   TOOL SECTION CONTAINER
================================================================ */
.wt-container { max-width: 1060px; }
.wt-card      { padding: 0 !important; overflow: hidden; }

/* ================================================================
   TWO-COLUMN LAYOUT
================================================================ */
.wt-two-col {
  display: grid;
  grid-template-columns: 400px 1fr;
  min-height: 560px;
}
.wt-controls {
  padding: 28px 28px 32px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  max-height: 780px;
}
.wt-preview-col {
  padding: 28px;
  background: #fafbfc;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* ================================================================
   TABS
================================================================ */
.wt-tabs {
  display: flex;
  gap: 3px;
  background: var(--surface-2);
  border-radius: 10px;
  padding: 4px;
}
.wt-tabs--sm {
  display: flex;
  gap: 2px;
  background: var(--surface-2);
  border-radius: 8px;
  padding: 3px;
  flex-wrap: wrap;
}
.wt-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 7px 10px;
  border-radius: 7px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  white-space: nowrap;
}
.wt-tab:hover         { background: rgba(255,255,255,.7); color: var(--text-primary); }
.wt-tab--active       { background: #fff; color: var(--primary); box-shadow: 0 1px 4px rgba(0,0,0,.09); }
.wt-tab--sm           { padding: 5px 10px; font-size: .76rem; border-radius: 6px; flex: unset; }

/* ================================================================
   FORM ELEMENTS
================================================================ */
.wt-field-group  { display: flex; flex-direction: column; gap: 12px; }
.wt-field       { display: flex; flex-direction: column; gap: 6px; }
.wt-lbl         { font-size: .82rem; font-weight: 600; color: var(--text-secondary); }
.wt-hint        { font-weight: 400; color: var(--text-muted); font-size: .78rem; }
.wt-inp {
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: 9px;
  font-size: .9rem;
  font-family: inherit;
  color: var(--text-primary);
  background: #fff;
  outline: none;
  width: 100%;
  box-sizing: border-box;
  transition: border-color .15s;
}
.wt-inp:focus   { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,136,229,.1); }
.wt-mono        { font-family: 'Courier New', monospace; font-size: .86rem; }
.wt-row         { display: flex; align-items: center; gap: 8px; }
.wt-row2        { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.wt-divider {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-top: 4px;
  border-top: 1px solid var(--border);
}
.wt-section-title { font-size: .88rem; font-weight: 700; color: var(--text-primary); }

/* Color row */
.wt-color-row   { display: flex; align-items: center; gap: 8px; }
.wt-color-swatch {
  width: 40px;
  height: 36px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  cursor: pointer;
  flex-shrink: 0;
  padding: 2px;
  background: none;
}
.wt-checkbox-lbl {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: .85rem;
  color: var(--text-secondary);
  cursor: pointer;
}
.wt-checkbox-lbl input { accent-color: var(--primary); }

/* Range slider */
.wt-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 100px;
  background: var(--border);
  outline: none;
  cursor: pointer;
  margin: 4px 0;
}
.wt-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(30,136,229,.35);
}
.wt-range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: none;
}

/* ================================================================
   BUTTONS
================================================================ */
.wt-btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: .93rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(30,136,229,.3);
}
.wt-btn-primary:hover     { opacity: .9; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(30,136,229,.38); }
.wt-btn-primary:disabled  { opacity: .6; cursor: not-allowed; transform: none; }

.wt-dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 9px;
  border: 1.5px solid var(--border);
  background: #fff;
  color: var(--text-primary);
  font-size: .83rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
}
.wt-dl-btn:hover          { background: var(--surface-2); }
.wt-dl-btn--primary       { background: var(--primary); color: #fff; border-color: transparent; box-shadow: 0 3px 10px rgba(30,136,229,.28); }
.wt-dl-btn--primary:hover { background: var(--primary-dark); }
.wt-dl-group              { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }

.wt-remove-btn {
  padding: 5px 11px;
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fca5a5;
  border-radius: 7px;
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
}
.wt-remove-btn:hover { background: #fee2e2; }

.wt-link-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
}
.wt-link-btn:hover { text-decoration: underline; }

/* ================================================================
   DROP ZONE (small)
================================================================ */
.wt-dropzone {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border: 2px dashed var(--border);
  border-radius: 10px;
  cursor: pointer;
  font-size: .83rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.wt-dropzone:hover,
.wt-dropzone--over { border-color: var(--primary); color: var(--primary); }

/* ================================================================
   UPLOAD ZONE (large)
================================================================ */
.wt-upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 36px 24px;
  border: 2px dashed var(--border);
  border-radius: 16px;
  cursor: pointer;
  text-align: center;
  transition: var(--transition);
}
.wt-upload-zone:hover,
.wt-upload-zone--over    { border-color: var(--primary); background: var(--primary-light); }
.wt-upload-zone--large   { padding: 56px 40px; }
.wt-upload-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.wt-upload-icon--lg      { width: 80px; height: 80px; border-radius: 20px; }
.wt-upload-text          { display: flex; flex-direction: column; gap: 4px; }
.wt-upload-text strong   { font-size: .95rem; color: var(--text-primary); }
.wt-upload-text span     { font-size: .82rem; color: var(--text-muted); }
.wt-upload-btn {
  padding: 9px 22px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 9px;
  font-size: .88rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
}
.wt-upload-btn:hover { background: var(--primary-dark); }

/* ================================================================
   PREVIEW FRAME & PLACEHOLDER
================================================================ */
.wt-preview-frame {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 1;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.wt-placeholder {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.wt-placeholder p { font-size: .82rem; color: #d1d5db; font-weight: 500; }

/* ================================================================
   COPY OVERLAY BUTTON
================================================================ */
.wt-copy-overlay-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 10px;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-size: .75rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
}
.wt-copy-overlay-btn:hover { background: var(--primary); color: #fff; border-color: transparent; }

/* ================================================================
   RESPONSIVE
================================================================ */
@media (max-width: 900px) {
  .wt-two-col       { grid-template-columns: 1fr; min-height: auto; }
  .wt-controls      { border-right: none; border-bottom: 1px solid var(--border); max-height: none; }
  .wt-preview-col   { padding: 24px 20px; justify-content: flex-start; }
}
@media (max-width: 560px) {
  .wt-controls      { padding: 18px 16px; gap: 13px; }
  .wt-row2          { grid-template-columns: 1fr; }
  .wt-tabs          { gap: 2px; }
  .wt-tab           { font-size: .74rem; padding: 6px 7px; }
  .wt-upload-zone--large { padding: 36px 20px; }
}