/* ============================================================
   TOOLSHUB4U — PDF TOOLS WORKSPACE (pw-)
   Shared design system for all PDF tool pages.
   ============================================================ */

.pw {
  max-width: 1100px;
  margin: -4rem auto 4rem;
  padding: 0 1.25rem;
  position: relative;
  z-index: 2;
}

.pw__panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 1.75rem;
}

.pw__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.pw__title { margin: 0; font-size: 1.125rem; font-weight: 700; }

.pw__badge {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

/* ── Drop zone ─────────────────────────── */
.pw-drop {
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 2.6rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.pw-drop:hover { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 5%, transparent); }
.pw-drop.is-dragover {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  transform: scale(1.01);
}

.pw-drop__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 0.8rem;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: var(--shadow-glow);
}

.pw-drop__title { margin: 0 0 0.3rem; font-size: 1.05rem; font-weight: 700; }
.pw-drop__sub { margin: 0 0 1rem; font-size: 0.85rem; color: var(--text-secondary); }

.pw-drop__browse {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border: none;
  border-radius: var(--radius-md);
  padding: 0.6rem 1.3rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition);
}

.pw-drop__browse:hover { box-shadow: var(--shadow-glow); }

.pw-drop__meta { margin-top: 0.9rem; font-size: 0.75rem; color: var(--text-tertiary); }

/* ── File queue ────────────────────────── */
.pw-files {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-top: 1rem;
}

.pw-file {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.6rem 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.pw-file--draggable { cursor: grab; }
.pw-file.is-dragging { opacity: 0.5; border-style: dashed; }
.pw-file.is-over { border-color: var(--primary); box-shadow: var(--shadow-md); }

.pw-file__thumb {
  flex: 0 0 auto;
  width: 44px;
  height: 56px;
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
}

.pw-file__preview { width: 100%; height: 100%; object-fit: cover; }

.pw-file__info { flex: 1; min-width: 0; }

.pw-file__name {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pw-file__meta { font-size: 0.75rem; color: var(--text-secondary); }

.pw-file__handle { color: var(--text-tertiary); font-size: 1.1rem; cursor: grab; user-select: none; }

.pw-file__remove {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transition: all var(--transition);
}

.pw-file__remove:hover { color: var(--error); border-color: var(--error); background: color-mix(in srgb, var(--error) 10%, transparent); }

/* ── Options ───────────────────────────── */
.pw-options {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
  margin: 1.1rem 0;
}

.pw-opt { display: flex; flex-direction: column; gap: 0.3rem; }

.pw-opt label { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); }

.pw-opt select,
.pw-opt input[type="number"],
.pw-opt input[type="text"],
.pw-opt input[type="password"] {
  font: inherit;
  font-size: 0.9rem;
  color: var(--text-primary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.7rem;
  min-width: 150px;
}

.pw-opt select:focus,
.pw-opt input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}

.pw-opt--check { flex-direction: row; align-items: center; gap: 0.45rem; font-size: 0.9rem; min-height: 38px; flex-wrap: wrap; }
.pw-opt--check input { accent-color: var(--primary); width: 16px; height: 16px; flex: 0 0 auto; }

.pw-hint { font-size: 0.78rem; color: var(--text-tertiary); margin-top: 0.25rem; }

/* ── Action bar ────────────────────────── */
.pw-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }

.pw-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.pw-btn:active { transform: translateY(1px); }
.pw-btn:disabled { opacity: 0.55; cursor: not-allowed; }

.pw-btn--primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: var(--shadow-md);
}

.pw-btn--primary:hover { box-shadow: var(--shadow-glow); }

.pw-btn--ghost {
  color: var(--text-primary);
  background: var(--bg-secondary);
  border-color: var(--border);
}

.pw-btn--ghost:hover { background: var(--surface-hover); }

/* ── Status ────────────────────────────── */
.pw-status { margin: 0.8rem 0 0; font-size: 0.85rem; }

.pw-status--error { color: var(--error); }
.pw-status--ok { color: var(--success); }
.pw-status--error a { color: var(--error); font-weight: 700; }

/* ── Processing panel ──────────────────── */
.pw-processing__inner {
  text-align: center;
  padding: 2.5rem 1rem;
}

.pw-processing__bar {
  height: 8px;
  width: min(420px, 90%);
  margin: 1rem auto 0.7rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.pw-processing__bar::after {
  content: '';
  position: absolute;
  inset: 0;
  width: 40%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: var(--radius-full);
  animation: pw-slide 1.1s ease-in-out infinite;
}

@keyframes pw-slide {
  0% { transform: translateX(-110%); }
  100% { transform: translateX(280%); }
}

.pw-progress-status { font-size: 0.9rem; color: var(--text-secondary); }

/* ── Result ────────────────────────────── */
.pw-result__head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--success);
  margin-bottom: 1rem;
}

.pw-result__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.7rem;
  margin-bottom: 1.1rem;
}

.pw-result__stat {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.85rem 1rem;
  text-align: center;
}

.pw-result__num {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.pw-result__label { display: block; font-size: 0.75rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 0.15rem; }

.pw-result__delta { font-size: 0.9rem; margin: 0 0 1rem; color: var(--text-secondary); }
.pw-result__delta strong { color: var(--success); }

.pw-result__actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }

.pw-result__privacy {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 1rem 0 0;
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

.pw-result__delta--warn {
  color: var(--warning, #d97706);
  background: rgba(217, 119, 6, 0.08);
  border: 1px solid rgba(217, 119, 6, 0.25);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
}

.pw-result__privacy .icon { width: 14px; height: 14px; color: var(--success); }

/* ── Split: page grid ──────────────────── */
.pw-split-grid { margin-top: 1rem; }

.pw-split-count { font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 0.6rem; display: block; }

.pw-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(86px, 1fr));
  gap: 0.6rem;
  max-height: 320px;
  overflow-y: auto;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.8rem;
}

.pw-thumb {
  position: relative;
  border: 2px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3 / 4;
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.pw-thumb:hover { border-color: var(--primary); }

.pw-thumb.is-selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 30%, transparent);
}

.pw-thumb.is-selected::after {
  /* CSS-drawn checkmark (no glyphs) */
  content: '';
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  z-index: 2;
}

.pw-thumb.is-selected::before {
  content: '';
  position: absolute;
  top: 11px;
  right: 11px;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--white);
  border-bottom: 2px solid var(--white);
  transform: rotate(-45deg);
  z-index: 3;
}

.pw-thumb__canvas { width: 100%; height: 100%; object-fit: cover; }

.pw-thumb__num {
  position: absolute;
  bottom: 3px;
  left: 3px;
  font-size: 0.68rem;
  font-weight: 700;
  color: #fff;
  background: rgba(15, 23, 42, 0.75);
  border-radius: 4px;
  padding: 1px 5px;
}

/* ── HTML editor (HTML → PDF) ─────────── */
.pw-html { display: flex; flex-direction: column; gap: 0.6rem; }
.pw-opt-label { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); }
.pw-html textarea {
  width: 100%;
  min-height: 220px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.8rem;
  color: var(--text-primary);
  font-family: ui-monospace, 'Cascadia Code', Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  resize: vertical;
}
.pw-html textarea:focus { outline: none; border-color: var(--primary); }
.pw-html__actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ── Edit PDF hub grid ─────────────────── */
.pw-hub__lead { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 1rem; }
.pw-hub__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.7rem;
}
.pw-hub__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.1rem 0.8rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.pw-hub__card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.pw-hub__icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}
.pw-hub__icon .icon { width: 20px; height: 20px; }
.pw-hub__name { font-size: 0.85rem; font-weight: 600; }

/* ── Organize: reorderable page grid ───── */
.pw-org-grid { margin-top: 1rem; }

.pw-org-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.6rem;
}

.pw-org-count { font-size: 0.82rem; color: var(--text-secondary); margin-right: auto; }

.pw-org-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(86px, 1fr));
  gap: 0.6rem;
  max-height: 420px;
  overflow-y: auto;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.8rem;
}

.pw-org-thumb {
  position: relative;
  border: 2px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: var(--white);
  cursor: grab;
  transition: border-color var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.pw-org-thumb:hover { border-color: var(--primary); }
.pw-org-thumb.is-dragging { opacity: 0.5; border-style: dashed; }

.pw-org-thumb__canvas { width: 100%; height: 100%; object-fit: cover; pointer-events: none; }

.pw-org-num {
  position: absolute;
  bottom: 3px;
  left: 3px;
  font-size: 0.68rem;
  font-weight: 700;
  color: #fff;
  background: rgba(15, 23, 42, 0.75);
  border-radius: 4px;
  padding: 1px 5px;
  z-index: 2;
  pointer-events: none;
}

.pw-org-ctrl {
  position: absolute;
  top: 3px;
  right: 3px;
  display: flex;
  gap: 2px;
  z-index: 2;
}

.pw-org-ctrl .pw-btn--xs {
  padding: 0;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pw-org-ctrl .icon { width: 14px; height: 14px; }

/* ── Responsive ────────────────────────── */
@media (max-width: 768px) {
  .pw { margin-top: -3rem; padding: 0 1rem; }
  .pw__panel { padding: 1.1rem; }
  .pw-drop { padding: 2rem 1rem; }
  .pw-opt select,
  .pw-opt input { min-width: 100%; width: 100%; }
  .pw-thumbs { grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); }
  .pw-org-thumbs { grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); }
}

/* ── Light theme ───────────────────────── */
[data-theme="light"] .pw__panel { box-shadow: var(--shadow-lg); }
[data-theme="light"] .pw-file,
[data-theme="light"] .pw-result__stat { background: var(--white); }
[data-theme="light"] .pw-thumbs { background: #f1f5f9; }
[data-theme="light"] .pw-org-thumbs { background: #f1f5f9; }