/*
 * Watermark tool styles. Extends the shared kit.css components; only layout
 * specifics live here, all values come from the --kw-* tokens.
 */

.kw-wm { font-size: var(--kw-fs-base); }

/* Files */

.kw-wm__files-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--kw-space-2);
}

.kw-wm__files {
  max-height: 264px;
  overflow-y: auto;
  padding-right: var(--kw-space-1);
}

.kw-wm__file { padding: 6px; }
.kw-wm__file-main {
  display: flex;
  flex: 1;
  align-items: center;
  gap: var(--kw-space-3);
  min-width: 0;
  min-height: 48px;
  padding: 0;
  border: 0;
  border-radius: var(--kw-radius-sm);
  background: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.kw-wm__file-main:focus-visible { outline: 2px solid var(--kw-focus); outline-offset: 2px; }
.kw-wm__file.is-selected { border-color: var(--kw-accent); background: var(--kw-primary-soft); }
.kw-wm__file.is-error { border-color: color-mix(in srgb, var(--kw-danger) 45%, transparent); }

.kw-wm__thumb {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--kw-radius-sm);
  background: var(--kw-surface-2);
  object-fit: cover;
}
.kw-wm__thumb--empty {
  display: grid;
  place-items: center;
  color: var(--kw-danger);
  font-weight: 700;
}
.kw-wm__file-copy { display: grid; min-width: 0; gap: 2px; }
.kw-wm__file-name {
  overflow: hidden;
  font-weight: 500;
  font-size: var(--kw-fs-sm);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.kw-wm__file-meta {
  overflow: hidden;
  color: var(--kw-muted);
  font-size: var(--kw-fs-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.kw-wm__file.is-error .kw-wm__file-meta { color: var(--kw-danger); }
.kw-wm__remove { width: 36px; height: 36px; }
.kw-wm__remove .kw-icon { width: 16px; height: 16px; }

/* Layer switch */

.kw-wm__layer-switch { margin: 0; }

/* Controls */

.kw-wm__color-row { display: flex; gap: var(--kw-space-2); }
.kw-wm__color-row input[type="color"] {
  width: 56px;
  min-width: 56px;
  height: 44px;
  padding: 4px;
  border: 1px solid var(--kw-line-strong);
  border-radius: var(--kw-radius);
  background: var(--kw-surface);
  cursor: pointer;
}

.kw-wm__anchor-grid {
  display: grid;
  grid-template-columns: repeat(3, 44px);
  gap: var(--kw-space-1);
}
.kw-wm__anchor-grid label {
  position: relative;
  display: grid;
  place-items: center;
  height: 36px;
  border: 1px solid var(--kw-line);
  border-radius: var(--kw-radius-sm);
  background: var(--kw-surface);
  color: var(--kw-text-2);
  font-size: var(--kw-fs-base);
  cursor: pointer;
}
.kw-wm__anchor-grid label:hover { border-color: var(--kw-accent); }
.kw-wm__anchor-grid input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.kw-wm__anchor-grid label:has(input:checked) {
  border-color: var(--kw-accent);
  background: var(--kw-primary-soft);
  color: var(--kw-primary-ink);
  font-weight: 700;
}
.kw-wm__anchor-grid input:focus-visible { outline: 2px solid var(--kw-focus); outline-offset: 2px; }

.kw-wm__choice-row { display: flex; flex-wrap: wrap; gap: var(--kw-space-2); }
.kw-wm__choice-row label {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 var(--kw-space-3);
  border: 1px solid var(--kw-line);
  border-radius: var(--kw-radius-full);
  background: var(--kw-surface);
  color: var(--kw-text-2);
  font-size: var(--kw-fs-sm);
  font-weight: 500;
  cursor: pointer;
}
.kw-wm__choice-row input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.kw-wm__choice-row label:has(input:checked) {
  border-color: var(--kw-accent);
  background: var(--kw-primary-soft);
  color: var(--kw-primary-ink);
  font-weight: 600;
}
.kw-wm__choice-row input:focus-visible { outline: 2px solid var(--kw-focus); outline-offset: 2px; }

/* Logo */

.kw-wm__logo-chip {
  display: flex;
  align-items: center;
  gap: var(--kw-space-3);
  padding: var(--kw-space-2) var(--kw-space-3);
  border: 1px solid var(--kw-line);
  border-radius: var(--kw-radius);
  background: var(--kw-surface-2);
}
.kw-wm__logo-chip img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  background: var(--kw-surface);
  border-radius: var(--kw-radius-sm);
}
.kw-wm__logo-chip p { margin: 2px 0 0; }

/* Preview */

.kw-wm__preview { display: grid; gap: var(--kw-space-2); }
.kw-wm__preview-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--kw-space-2);
}
.kw-wm__preview-head .kw-hint { margin: 0; }
.kw-wm__preview-frame {
  display: grid;
  place-items: center;
  min-height: 200px;
  padding: var(--kw-space-3);
  border: 1px solid var(--kw-line);
  border-radius: var(--kw-radius);
  background:
    conic-gradient(from 90deg at 50% 50%, var(--kw-surface-2) 25%, var(--kw-surface) 0 50%, var(--kw-surface-2) 0 75%, var(--kw-surface) 0) 0 0 / 24px 24px;
}
.kw-wm__preview-frame canvas {
  display: block;
  max-width: 100%;
  max-height: 420px;
  width: auto;
  height: auto;
  border-radius: var(--kw-radius-sm);
  box-shadow: var(--kw-shadow);
}
.kw-wm__preview-empty {
  display: grid;
  gap: var(--kw-space-2);
  max-width: 46ch;
  padding: var(--kw-space-4);
  color: var(--kw-muted);
  text-align: center;
}
.kw-wm__preview-empty .kw-drop__title { color: var(--kw-text-2); }
.kw-wm__preview-empty p { margin: 0; font-size: var(--kw-fs-sm); }

/* Export and status */

.kw-wm__export { display: grid; gap: var(--kw-space-3); padding-top: var(--kw-space-2); border-top: 1px solid var(--kw-line); }
.kw-wm__export .kw-hint { margin: 0; }
.kw-wm__live { display: grid; gap: var(--kw-space-3); }
.kw-wm__live .kw-alert div > p { margin: 0; }
.kw-wm__live .kw-alert div > p + p { margin-top: 6px; }

/* Tool panel layout: two columns on desktop, single column on phones.
   Reading order stays input → options → preview → export (DESIGN.md 5.4). */

@media (min-width: 768px) {
  .kw-wm {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--kw-space-6);
  }
  .kw-wm__input { grid-column: 1; grid-row: 1 / span 2; }
  .kw-wm__layer-switch { grid-column: 2; }
  #wm-text-panel, #wm-logo-panel { grid-column: 2; }
  .kw-wm__preview { grid-column: 2; }
  .kw-wm__export, .kw-wm__live { grid-column: 1 / -1; }
  .kw-wm__files { max-height: 320px; }
}

@media (max-width: 767px) {
  .kw-wm { display: grid; gap: var(--kw-space-5); }
  .kw-wm__export .kw-btn--primary { width: 100%; }
}