/* Excel to PDF Converter - #3d85c6 */
:root {
  --etp-brand: #3d85c6;
  --etp-brand-dark: #2c6396;
  --etp-brand-light: #eaf4fb;
  --etp-brand-border: #b6d5f2;
  --etp-bg: #f4f8fc;
  --etp-surface: rgba(255, 255, 255, 0.9);
  --etp-solid: #ffffff;
  --etp-text: #1a1a1a;
  --etp-muted: #64748b;
  --etp-shadow: 0 12px 40px rgba(61, 133, 198, 0.15);
  --etp-radius: 18px;
  --etp-font: 'DM Sans', system-ui, sans-serif;
  --etp-grad: linear-gradient(135deg, #3d85c6 0%, #5ba3e0 50%, #3d85c6 100%);
}

#tool-main {
  font-family: var(--etp-font);
  color: var(--etp-text);
  background: var(--etp-bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(61, 133, 198, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 90% 0%, rgba(91, 163, 224, 0.1), transparent);
  padding-bottom: 32px;
}

.etp-wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 16px;
}

.etp-hero {
  text-align: center;
  margin-bottom: 18px;
}

.etp-hero h1 {
  font-size: clamp(1.55rem, 4vw, 2.1rem);
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--etp-brand);
}

.etp-hero p {
  color: var(--etp-muted);
  max-width: 540px;
  margin: 0 auto;
  font-size: 0.95rem;
}

.etp-trust {
  margin-top: 12px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--etp-brand-dark);
}

.etp-glass {
  background: var(--etp-surface);
  backdrop-filter: blur(12px);
  border: 1px solid var(--etp-brand-border);
  border-radius: var(--etp-radius);
  box-shadow: var(--etp-shadow);
}

.etp-options {
  padding: 14px 16px;
  margin-bottom: 12px;
}

.etp-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.etp-field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--etp-brand-dark);
  margin-bottom: 4px;
}

.etp-field .form-select {
  border-color: var(--etp-brand-border);
  font-size: 0.85rem;
}

.etp-drop {
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  border: 2px dashed var(--etp-brand-border);
  transition: border-color 0.2s, background 0.2s;
}

.etp-drop.is-dragover {
  border-color: var(--etp-brand);
  background: var(--etp-brand-light);
}

.etp-drop-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 10px;
  border-radius: 14px;
  background: var(--etp-grad);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.etp-note {
  color: var(--etp-muted);
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.etp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 18px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s, transform 0.15s;
}

.etp-btn--primary {
  background: var(--etp-brand);
  color: #fff;
  box-shadow: 0 4px 14px rgba(61, 133, 198, 0.3);
}

.etp-btn--primary:hover:not(:disabled) {
  background: var(--etp-brand-dark);
}

.etp-btn--ghost {
  background: var(--etp-solid);
  border: 1px solid var(--etp-brand-border);
  color: var(--etp-brand-dark);
}

.etp-btn--ghost:hover:not(:disabled) {
  background: var(--etp-brand-light);
}

.etp-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.etp-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  margin-bottom: 12px;
}

.etp-toolbar-meta {
  font-size: 0.82rem;
  color: var(--etp-muted);
  font-weight: 600;
}

.etp-toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.etp-progress {
  padding: 12px 16px;
  margin-bottom: 12px;
  font-size: 0.85rem;
  color: var(--etp-brand-dark);
  font-weight: 600;
}

.etp-progress[hidden],
.etp-workspace[hidden],
.etp-errors[hidden] {
  display: none !important;
}

.etp-bar {
  height: 6px;
  background: var(--etp-brand-light);
  border-radius: 999px;
  margin-top: 8px;
  overflow: hidden;
}

.etp-bar span {
  display: block;
  height: 100%;
  background: var(--etp-brand);
  border-radius: 999px;
  transition: width 0.2s;
  width: 0%;
}

.etp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  padding: 0 0 8px;
}

.etp-card {
  display: flex;
  gap: 12px;
  background: var(--etp-solid);
  border: 1px solid var(--etp-brand-border);
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 4px 16px rgba(61, 133, 198, 0.08);
}

.etp-card-icon {
  flex-shrink: 0;
  width: 44px;
  height: 52px;
  border-radius: 8px;
  background: var(--etp-brand-light);
  border: 1px solid var(--etp-brand-border);
  color: var(--etp-brand-dark);
  font-size: 0.65rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.etp-card-body {
  flex: 1;
  min-width: 0;
}

.etp-card-name {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--etp-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.etp-card-meta {
  font-size: 0.7rem;
  color: var(--etp-muted);
  line-height: 1.45;
  margin-bottom: 8px;
}

.etp-card-actions .etp-btn {
  width: 100%;
  padding: 7px 8px;
  font-size: 0.75rem;
}

.etp-errors {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  font-size: 0.8rem;
  color: #b91c1c;
}

.etp-errors ul {
  margin: 6px 0 0;
  padding-left: 18px;
}

.etp-related {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.etp-related a {
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--etp-solid);
  border: 1px solid var(--etp-brand-border);
  text-decoration: none;
  color: var(--etp-text);
  transition: border-color 0.2s, background 0.2s;
}

.etp-related a:hover {
  border-color: var(--etp-brand);
  background: var(--etp-brand-light);
}

.etp-related strong {
  display: block;
  font-size: 0.82rem;
  color: var(--etp-brand-dark);
}

.etp-related span {
  font-size: 0.72rem;
  color: var(--etp-muted);
}

.etp-render-host {
  position: fixed;
  left: -10000px;
  top: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: -1;
}

.etp-toast {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
}

.etp-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.etp-toast--success { background: #166534; color: #fff; }
.etp-toast--warning { background: #b45309; color: #fff; }
.etp-toast--error { background: #b91c1c; color: #fff; }