/**
 * Image Converter tool — layout, theme tokens, and UI chrome.
 * Works with Bootstrap on the page; scoped under .ic-app to avoid clashes.
 */

.ic-app {
  --ic-bg: #f4f6fb;
  --ic-surface: #ffffff;
  --ic-surface-2: #eef2f9;
  --ic-text: #0f172a;
  --ic-muted: #64748b;
  --ic-border: #d8e0ee;
  --ic-accent: #0d6efd;
  --ic-accent-soft: rgba(13, 110, 253, 0.12);
  --ic-shadow: 0 8px 28px rgba(15, 23, 42, 0.08);
  --ic-radius: 14px;
  color: var(--ic-text);
  background: var(--ic-bg);
  border-radius: var(--ic-radius);
  padding: 1.25rem;
  box-shadow: var(--ic-shadow);
}

.ic-app[data-theme="dark"] {
  --ic-bg: #0f1419;
  --ic-surface: #1a222d;
  --ic-surface-2: #232d3b;
  --ic-text: #e8eef7;
  --ic-muted: #94a3b8;
  --ic-border: #334155;
  --ic-accent: #38bdf8;
  --ic-accent-soft: rgba(56, 189, 248, 0.15);
  --ic-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

.ic-brand-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.ic-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.ic-brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.ic-brand h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.02em;
}

.ic-brand p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ic-muted);
}

.ic-theme-btn {
  border: 1px solid var(--ic-border);
  background: var(--ic-surface);
  color: var(--ic-text);
  border-radius: 10px;
  padding: 0.45rem 0.85rem;
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.ic-theme-btn:hover {
  background: var(--ic-surface-2);
  border-color: var(--ic-accent);
}

/* Drop zone */
.ic-dropzone {
  border: 2px dashed var(--ic-border);
  border-radius: var(--ic-radius);
  background: var(--ic-surface);
  padding: 2rem 1.25rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}

.ic-dropzone:hover,
.ic-dropzone.ic-dropzone--active {
  border-color: var(--ic-accent);
  background: var(--ic-accent-soft);
}

.ic-dropzone:focus-visible {
  outline: 2px solid var(--ic-accent);
  outline-offset: 2px;
}

.ic-dropzone-icon {
  font-size: 2.25rem;
  color: var(--ic-accent);
  margin-bottom: 0.5rem;
}

.ic-dropzone-title {
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.ic-dropzone-hint {
  font-size: 0.85rem;
  color: var(--ic-muted);
  max-width: 36rem;
  margin: 0 auto;
}

.ic-file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

/* Previews */
.ic-previews {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.25rem;
}

@media (min-width: 768px) {
  .ic-previews {
    grid-template-columns: 1fr 1fr;
  }
}

.ic-preview-card {
  background: var(--ic-surface);
  border: 1px solid var(--ic-border);
  border-radius: var(--ic-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 200px;
}

.ic-preview-card header {
  padding: 0.65rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ic-muted);
  border-bottom: 1px solid var(--ic-border);
  background: var(--ic-surface-2);
}

.ic-preview-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  min-height: 180px;
  position: relative;
}

.ic-preview-body img {
  max-width: 100%;
  max-height: 320px;
  object-fit: contain;
  border-radius: 8px;
}

.ic-preview-placeholder {
  color: var(--ic-muted);
  font-size: 0.9rem;
  text-align: center;
  padding: 1rem;
}

/* Controls */
.ic-controls {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ic-control-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
}

.ic-control-group {
  flex: 1 1 200px;
}

.ic-control-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--ic-muted);
}

.ic-select {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--ic-border);
  background: var(--ic-surface);
  color: var(--ic-text);
  padding: 0.55rem 0.75rem;
  font-size: 0.95rem;
}

.ic-quality-wrap {
  flex: 1 1 220px;
}

.ic-quality-value {
  float: right;
  font-weight: 600;
  color: var(--ic-accent);
}

.ic-range {
  width: 100%;
  accent-color: var(--ic-accent);
}

.ic-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

.ic-btn-primary {
  border: none;
  border-radius: 10px;
  background: var(--ic-accent);
  color: #fff;
  font-weight: 600;
  padding: 0.6rem 1.1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: filter 0.15s ease, transform 0.1s ease;
}

.ic-btn-primary:hover:not(:disabled) {
  filter: brightness(1.08);
}

.ic-btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.ic-btn-outline {
  border-radius: 10px;
  border: 1px solid var(--ic-border);
  background: var(--ic-surface);
  color: var(--ic-text);
  font-weight: 600;
  padding: 0.6rem 1.1rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.ic-btn-outline.ic-disabled {
  opacity: 0.45;
  pointer-events: none;
}

.ic-stats {
  font-size: 0.875rem;
  color: var(--ic-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.ic-stats strong {
  color: var(--ic-text);
}

.ic-status {
  margin-top: 0.75rem;
  font-size: 0.9rem;
}

.ic-status--info {
  color: var(--ic-muted);
}

.ic-status--ok {
  color: #16a34a;
}

.ic-status--warn {
  color: #ca8a04;
}

.ic-status--err {
  color: #dc2626;
}

/* Loading overlay */
.ic-loader {
  position: fixed;
  inset: 0;
  z-index: 1080;
  background: rgba(15, 23, 42, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(2px);
}

.ic-app[data-theme="dark"] .ic-loader {
  background: rgba(0, 0, 0, 0.55);
}

.ic-loader-panel {
  background: var(--ic-surface);
  color: var(--ic-text);
  padding: 1.5rem 2rem;
  border-radius: var(--ic-radius);
  box-shadow: var(--ic-shadow);
  text-align: center;
  max-width: 90vw;
}

.ic-spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid var(--ic-border);
  border-top-color: var(--ic-accent);
  border-radius: 50%;
  animation: ic-spin 0.75s linear infinite;
  margin: 0 auto 0.75rem;
}

@keyframes ic-spin {
  to {
    transform: rotate(360deg);
  }
}

.ic-hidden {
  display: none !important;
}

.ic-canvas {
  display: none;
}