/* /admin/covers — Stream 7 cover designer.
 * Design finalist: docs/mockups/2026-05-06-cover-designer/round-2/
 * 02-mode-tabs.html — three-tab editor (template / latex / byo-pdf)
 * with shared canvas + variant grid. */

.covd-page { padding: 0; }
.covd { display: grid; grid-template-rows: auto auto 1fr auto; height: calc(100vh - 60px); min-height: 720px; font-family: var(--font-sans); }

/* Head */
.covd__head { padding: 14px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 18px; background: var(--bg-elevated); }
.covd__head-text { flex: 1; min-width: 0; }
.covd__crumb { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-muted); }
.covd__title { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 500; color: var(--text-primary); margin-top: 2px; }
.covd__series { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); padding: 4px 10px; border: 1px solid var(--accent); border-radius: 999px; }

/* Mode tabs */
.covd__modes { display: flex; gap: 0; border-bottom: 1px solid var(--border); padding: 0 22px; background: var(--bg-secondary); }
.covd__mode {
  padding: 12px 22px 10px; cursor: pointer; background: transparent; border: 0;
  color: var(--text-muted);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  border-bottom: 2px solid transparent;
  transition: color var(--transition);
}
.covd__mode:hover { color: var(--text-secondary); }
.covd__mode--active { color: var(--accent); border-bottom-color: var(--accent); }

/* Body grid */
.covd__body { display: grid; grid-template-columns: 380px 1fr 320px; min-height: 0; }
.covd__pane { padding: 20px 22px; overflow-y: auto; min-height: 0; }
.covd__pane--left { background: var(--bg-secondary); border-right: 1px solid var(--border); }
.covd__pane--canvas { background: var(--bg-primary); border-right: 1px solid var(--border); display: grid; place-items: center; padding: 24px; }
.covd__pane--variants { background: var(--bg-secondary); padding: 14px 18px; }
.covd__pane h3 { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }

/* Form */
.covd__form-block { margin-top: 14px; }
.covd__field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.covd__field label { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-muted); }
.covd__select, .covd__input {
  background: var(--bg-surface); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 9px 11px; font-family: var(--font-sans); font-size: 0.92rem;
}
.covd__select:focus, .covd__input:focus { outline: none; border-color: var(--accent); }
.covd__field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* Swatches */
.covd__swatches { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }
.covd__swatch { width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--border); cursor: pointer; transition: box-shadow var(--transition); }
.covd__swatch--active { box-shadow: 0 0 0 2px var(--bg-secondary), 0 0 0 4px var(--accent); }

/* Dropzone (latex / byo-pdf modes) */
.covd__dropzone {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 30px 24px; text-align: center; background: var(--bg-elevated);
  transition: border-color var(--transition);
}
.covd__dropzone:hover { border-color: var(--accent); }
.covd__dropzone-icon { font-size: 32px; color: var(--text-muted); margin-bottom: 8px; }
.covd__dropzone-title { font-family: var(--font-serif); font-size: 1.05rem; color: var(--text-primary); margin-bottom: 6px; }
.covd__dropzone-sub { font-family: var(--font-sans); font-size: 0.84rem; color: var(--text-secondary); line-height: 1.5; margin-bottom: 14px; }
.covd__dropzone-hint { margin-top: 14px; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-muted); line-height: 1.7; }

.covd__uploaded {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px 14px; margin-top: 14px;
}
.covd__uploaded-name { font-family: var(--font-sans); font-size: 0.9rem; color: var(--text-primary); word-break: break-all; }
.covd__uploaded-meta { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-muted); margin-top: 4px; }

/* Canvas (live preview) */
.covd__canvas {
  width: 320px; aspect-ratio: 5 / 8;
  background: linear-gradient(165deg, #1a120a 0%, #a17040 70%);
  box-shadow: var(--shadow-lg);
  color: rgba(245, 230, 200, 0.92);
  font-family: var(--font-serif);
  position: relative;
}
.covd__cv-top { position: absolute; top: 12px; left: 0; right: 0; text-align: center; font-family: var(--font-mono); font-size: 7px; letter-spacing: 0.32em; text-transform: uppercase; opacity: 0.65; }
.covd__cv-stamp { position: absolute; top: 38px; left: 16px; right: 16px; border-top: 1px solid rgba(201,168,76,0.55); border-bottom: 1px solid rgba(201,168,76,0.55); padding: 10px 0; text-align: center; }
.covd__cv-stamp h1 { font-family: var(--font-serif); font-size: 22px; letter-spacing: 0.04em; line-height: 1; margin-bottom: 3px; color: rgba(245,230,200,0.97); margin-top: 0; }
.covd__cv-stamp small { font-family: var(--font-mono); font-size: 5.5px; letter-spacing: 0.32em; text-transform: uppercase; opacity: 0.7; }
.covd__cv-glyph { position: absolute; top: 38%; left: 50%; transform: translate(-50%, -50%); font-family: var(--font-serif); font-size: 52px; opacity: 0.85; }
.covd__cv-badge { position: absolute; bottom: 60px; left: 0; right: 0; text-align: center; }
.covd__cv-num { font-family: var(--font-serif); font-size: 16px; }
.covd__cv-badge small { display: block; font-family: var(--font-mono); font-size: 6px; letter-spacing: 0.3em; text-transform: uppercase; opacity: 0.7; margin-top: 2px; }
.covd__cv-imprint { position: absolute; bottom: 16px; left: 0; right: 0; text-align: center; font-family: var(--font-mono); font-size: 6px; letter-spacing: 0.3em; text-transform: uppercase; opacity: 0.62; }

/* Variants pane */
.covd__render-path {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 8px 10px; margin-bottom: 14px;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.covd__render-path-label { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-muted); }
.covd__chip { padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); cursor: pointer; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-secondary); }
.covd__chip--active { color: var(--accent); border-color: var(--accent); background: var(--accent-subtle); }

.covd__variants { display: flex; flex-direction: column; gap: 8px; }
.covd__variant { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 10px; display: grid; grid-template-columns: 38px 1fr; gap: 10px; align-items: center; }
.covd__variant-thumb { width: 38px; aspect-ratio: 5 / 8; background: linear-gradient(165deg, #1a120a, #a17040); border-radius: 2px; }
.covd__variant-name { font-family: var(--font-sans); font-size: 0.82rem; color: var(--text-primary); }
.covd__variant-spec { font-family: var(--font-mono); font-size: 8.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-muted); display: block; margin-top: 1px; }

/* Action bar */
.covd__actions { padding: 12px 22px; border-top: 1px solid var(--border); display: flex; align-items: center; gap: 10px; background: var(--bg-elevated); }
.covd__exports { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-muted); margin-right: auto; }
.covd__btn { padding: 8px 16px; border-radius: var(--radius-sm); cursor: pointer; font-family: var(--font-sans); font-size: 0.9rem; font-weight: 600; border: 1px solid var(--border); background: var(--bg-surface); color: var(--text-primary); transition: background var(--transition), border-color var(--transition), color var(--transition); }
.covd__btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.covd__btn:disabled { opacity: 0.6; cursor: not-allowed; }
.covd__btn--ghost { color: var(--text-secondary); }
.covd__btn--primary { background: var(--accent); color: var(--text-on-accent); border-color: var(--accent); }
.covd__btn--primary:hover:not(:disabled) { background: var(--accent-hover); color: var(--text-on-accent); }