.main-nav a.active { color: var(--blue); font-weight: 700; }

/* Sticky topbar+header would otherwise cover the top of these when scrolled to. */
#cropSection, #resultSection { scroll-margin-top: 112px; }

/* ---------- Tools index page ---------- */
.tools-hero {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff;
  padding: 60px 0 50px;
  text-align: center;
}
.tools-hero .section-tag { color: var(--orange); }
.tools-hero h1 {
  font-size: 2rem;
  font-weight: 700;
  margin: 10px 0 14px;
}
.tools-hero p {
  color: #d9e6f7;
  max-width: 640px;
  margin: 0 auto;
}

.tools-grid-section { padding: 60px 0; }
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 26px;
}
.tool-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.tool-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(11,79,158,0.14);
}
.tool-icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  background: linear-gradient(135deg, #eaf1fc, #fdeedd);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.tool-card h3 { color: var(--blue-dark); font-size: 1.05rem; margin-bottom: 8px; }
.tool-card p { color: var(--text-light); font-size: 0.92rem; margin-bottom: 18px; flex: 1; }
.tool-cta { color: var(--orange-dark); font-weight: 700; font-size: 0.9rem; }

/* ---------- Single tool workspace (tool.html) ---------- */
.tool-workspace { padding: 40px 0 70px; }
.tool-back-link {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--blue);
  font-weight: 600;
  font-size: 0.9rem;
}
.tool-heading h1 { color: var(--blue-dark); font-size: 1.6rem; margin-bottom: 6px; }
.tool-heading p { color: var(--text-light); margin-bottom: 28px; }

.tool-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
  margin-bottom: 24px;
}
.tool-panel h3 {
  color: var(--blue-dark);
  font-size: 1rem;
  margin-bottom: 16px;
}

.field-row { margin-bottom: 16px; }
.field-row label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text);
  margin-bottom: 6px;
}
.field-row input[type="file"],
.field-row input[type="number"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.92rem;
  font-family: inherit;
}
.field-hint { font-size: 0.8rem; color: var(--text-light); margin-top: 4px; }

.password-field { position: relative; }
.password-field input {
  width: 100%;
  padding: 10px 44px 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.92rem;
  font-family: inherit;
}
.password-toggle {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.05rem;
  padding: 6px 8px;
  line-height: 1;
  opacity: 0.7;
}
.password-toggle:hover { opacity: 1; }

.tool-error {
  background: #fdeaea;
  color: #b42318;
  border: 1px solid #f5c2c0;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.88rem;
  margin-bottom: 16px;
  display: none;
}
.tool-error.show { display: block; }

.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-secondary {
  background: var(--bg);
  color: var(--blue-dark);
  border-color: var(--border);
}

/* Crop stage: PDF page render + draggable crop boxes on top */
.crop-stage {
  position: relative;
  display: inline-block;
  max-width: min(100%, 480px);
  touch-action: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.crop-stage canvas { display: block; max-width: 100%; max-height: 60vh; width: auto; height: auto; }

.crop-box {
  position: absolute;
  border: 2px dashed;
  box-sizing: border-box;
  cursor: move;
  background: rgba(255,255,255,0.05);
}
.crop-box-label {
  position: absolute;
  top: -22px;
  left: -2px;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.crop-box-size {
  position: absolute;
  bottom: -22px;
  left: -2px;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.crop-box-handle {
  position: absolute;
  right: -7px;
  bottom: -7px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  cursor: nwse-resize;
  border: 2px solid #fff;
}
.crop-box-face-guide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.crop-box-face-guide line,
.crop-box-face-guide ellipse,
.crop-box-face-guide path {
  stroke: #4285f4;
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 4 3;
  fill: none;
  opacity: 0.85;
}
.crop-box-edge-handle {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.crop-box-edge-top { top: -7px; left: 50%; transform: translateX(-50%); cursor: ns-resize; }
.crop-box-edge-bottom { bottom: -7px; left: 50%; transform: translateX(-50%); cursor: ns-resize; }
.crop-box-edge-left { left: -7px; top: 50%; transform: translateY(-50%); cursor: ew-resize; }
.crop-box-edge-right { right: -7px; top: 50%; transform: translateY(-50%); cursor: ew-resize; }

.tool-pager { margin-top: 14px; display: flex; align-items: center; gap: 10px; }

.result-row { display: flex; gap: 32px; flex-wrap: wrap; align-items: flex-start; margin-top: 8px; }
.result-previews { display: flex; gap: 18px; flex-wrap: wrap; }
.result-preview { text-align: center; }
.result-preview img {
  width: 256px;
  max-width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: var(--shadow);
}
.result-preview span { display: block; margin-top: 8px; font-size: 0.82rem; color: var(--text-light); font-weight: 600; }

.bg-remove-label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text);
  margin-bottom: 8px;
}
.bg-swatch-row { display: flex; gap: 10px; }
.bg-swatch {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid var(--border);
  cursor: pointer;
  padding: 0;
}
.bg-swatch.active { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(11,79,158,0.25); }
.bg-swatch-transparent {
  background-image:
    linear-gradient(45deg, #ccc 25%, transparent 25%, transparent 75%, #ccc 75%, #ccc),
    linear-gradient(45deg, #ccc 25%, #fff 25%, #fff 75%, #ccc 75%, #ccc);
  background-size: 12px 12px;
  background-position: 0 0, 6px 6px;
}
.bg-remove-btn { display: block; margin-top: 14px; }
#bgStatus { display: block; margin-top: 8px; }
.enhance-section { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }

.result-btn-row { margin-top: 22px; }
.btn-tool { color: #fff; font-weight: 700; }
.btn-tool-orange { background: var(--orange); }
.btn-tool-orange:hover { background: var(--orange-dark); }
.btn-tool-dark { background: #1c2733; }
.btn-tool-dark:hover { background: #0e151d; }
.btn-tool-blue { background: #29b6d8; }
.btn-tool-blue:hover { background: #1f97b3; }
.btn-tool-red { background: #e53935; }
.btn-tool-red:hover { background: #c62828; }

.tool-adjust-link {
  display: inline-block;
  margin-top: 18px;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 0.85rem;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
}

@media (max-width: 640px) {
  .tool-panel { padding: 18px; }
}