/*
 * image-compressor.css — per-tool styles: drop zone, option grid, quality
 * slider and the side-by-side (original vs compressed) preview.
 * Tokens only; no inline styles (CSP: style-src 'self').
 */

.ic-root { display: block; }

/* Drop zone — a label wrapping the (visually hidden) native file input. */
.ic-dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  background: var(--neutral-50);
  cursor: pointer;
  transition: border-color .15s ease, background-color .15s ease;
}
.ic-dropzone:hover { border-color: var(--blue-600); background: var(--blue-50); }
.ic-dropzone.is-dragover { border-color: var(--blue-600); background: var(--blue-100); }
.ic-dropzone:focus-within { outline: 2px solid var(--blue-600); outline-offset: 2px; }
.ic-dropzone-icon { color: var(--text-muted); }
.ic-dropzone-title { font: 600 15px/1.4 var(--font-sans); color: var(--text-primary); }
.ic-dropzone-hint { font: 400 13px/1.4 var(--font-sans); color: var(--text-secondary); }

/* Native file input, kept accessible but visually collapsed inside the label. */
.ic-file-input {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Options ---------------------------------------------------------------- */
.ic-options { margin-top: var(--space-4); }
.ic-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}
.ic-range { width: 100%; accent-color: var(--blue-600); cursor: pointer; }
.ic-quality-value { float: right; color: var(--text-secondary); font-weight: 600; }

/* Side-by-side preview --------------------------------------------------- */
.ic-compare {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}
.ic-preview { margin: 0; }
.ic-preview-cap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  font: 600 13px/1.4 var(--font-sans);
  color: var(--text-secondary);
}
.ic-preview-meta { font-weight: 400; color: var(--text-muted); }
.ic-preview-surface {
  padding: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background-color: var(--neutral-50);
  background-image:
    linear-gradient(45deg, var(--neutral-100) 25%, transparent 25%),
    linear-gradient(-45deg, var(--neutral-100) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--neutral-100) 75%),
    linear-gradient(-45deg, transparent 75%, var(--neutral-100) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}
.ic-preview-surface img {
  display: block;
  max-width: 100%;
  max-height: 320px;
  height: auto;
  border-radius: var(--radius-sm);
}

/* Off-screen work canvas — never shown, drives toBlob(). */
.ic-canvas { position: absolute; width: 1px; height: 1px; left: -9999px; top: 0; visibility: hidden; }