/* PDF Editor — tool-specific layout, loaded only on /tools/pdf-editor. */

.pe { margin: 32px 0; }
.pe-mobile-only { display: none; }

/* ---------- App shell ---------- */

.pe-app {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-background);
}

.pe-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-wrap: wrap;
}

.pe-topbar-group { display: flex; align-items: center; gap: 6px; }

.pe-icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 38px;
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-background);
  color: var(--color-text);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
}
.pe-icon-btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.pe-icon-btn:hover:not(:disabled) { background: var(--color-surface-alt); }
.pe-icon-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.pe-icon-btn.is-active { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-surface-alt); }

.pe-zoom { gap: 4px; }
.pe-zoom span { min-width: 46px; text-align: center; font-size: 14px; font-weight: 600; color: var(--color-text-secondary); }

/* ---------- Body layout ---------- */

.pe-body {
  display: grid;
  grid-template-columns: 190px 1fr 280px;
  min-height: 560px;
}

.pe-sidebar {
  border-right: 1px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.pe-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
}
.pe-sidebar-header h2 { margin: 0; font-size: 14px; font-weight: 700; }
.pe-sidebar-header .pe-icon-btn { min-width: 30px; min-height: 30px; padding: 0; }

.pe-page-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pe-sidebar-backdrop { display: none; }

.pe-page-card {
  position: relative;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px;
  background: var(--color-background);
  cursor: pointer;
  text-align: center;
}
.pe-page-card.is-current { border-color: var(--color-primary); }
.pe-page-card.is-dragging { opacity: 0.4; }
.pe-page-card.is-drop-target { border-style: dashed; border-color: var(--color-primary); }
.pe-page-card img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
}
.pe-page-card-label { margin: 6px 0 0; font-size: 12px; font-weight: 600; color: var(--color-text-secondary); }
.pe-page-card-actions { display: flex; justify-content: center; gap: 4px; margin-top: 8px; flex-wrap: wrap; }
.pe-page-card-actions button {
  width: 26px;
  height: 26px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-background);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.pe-page-card-actions button svg { width: 13px; height: 13px; }
.pe-page-card-actions button:hover:not(:disabled) { background: var(--color-surface-alt); }
.pe-page-card-actions button:disabled { opacity: 0.35; cursor: not-allowed; }
.pe-page-card-rotation {
  position: absolute;
  top: 6px;
  right: 6px;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  background: var(--color-text);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
}

/* ---------- Canvas area ---------- */

.pe-canvas-area { display: flex; flex-direction: column; min-width: 0; }

.pe-toolbar {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
}

.pe-tool-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  min-width: 64px;
  padding: 8px 6px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
}
.pe-tool-btn svg { width: 20px; height: 20px; }
.pe-tool-btn:hover { background: var(--color-surface-alt); color: var(--color-text); }
.pe-tool-btn.is-active { background: var(--color-surface-alt); border-color: var(--color-primary); color: var(--color-primary); }

.pe-stage-wrap {
  flex: 1;
  display: flex;
  /* Not justify-content: center — centering a flex item that overflows its
     container clips the start of the content in a way scrolling can't
     reach (a long-standing flexbox behavior). Centering via auto margins
     on the stage itself (below) achieves the same look when it fits, and
     degrades to a plain scrollable left edge when it doesn't. */
  justify-content: flex-start;
  align-items: flex-start;
  padding: 20px;
  background: var(--color-surface);
  overflow: auto;
}

.pe-stage {
  position: relative;
  display: inline-block;
  flex-shrink: 0;
  margin: 0 auto;
  touch-action: none;
  user-select: none;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,.15);
}
.pe-stage canvas { display: block; }
.pe-draw-canvas { position: absolute; top: 0; left: 0; }
.pe-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; }

.pe-page-nav { border-top: 1px solid var(--color-border); margin: 0; padding: 10px 0; }

/* Overlay objects (text / image / highlight / whiteout) */

.pe-obj {
  position: absolute;
  cursor: move;
  box-sizing: border-box;
  pointer-events: auto;
}
.pe-obj.is-selected { outline: 2px solid var(--color-primary); outline-offset: 1px; }

.pe-obj-text {
  white-space: pre-wrap;
  padding: 2px;
  line-height: 1.25;
  background: rgba(37, 99, 235, 0.06);
  min-width: 24px;
  min-height: 1.2em;
}
.pe-obj-image { -webkit-user-drag: none; }
.pe-obj-image img { width: 100%; height: 100%; display: block; pointer-events: none; -webkit-user-drag: none; }
.pe-obj-highlight { mix-blend-mode: multiply; }
.pe-obj-whiteout { background: #ffffff; border: 1px dashed var(--color-border-strong); }
.pe-obj-shape svg { width: 100%; height: 100%; overflow: visible; }

.pe-handle {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px var(--color-primary);
  touch-action: none;
}
.pe-handle-resize { right: -8px; bottom: -8px; cursor: nwse-resize; }
.pe-handle-rotate { left: 50%; top: -28px; margin-left: -8px; cursor: grab; background: var(--color-info); box-shadow: 0 0 0 1px var(--color-info); }
.pe-handle-endpoint { width: 14px; height: 14px; cursor: pointer; }

.pe-obj-delete {
  position: absolute;
  top: -14px;
  right: -14px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: none;
  background: var(--color-error);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pe-obj-delete svg { width: 13px; height: 13px; }

/* ---------- Properties panel ---------- */

.pe-props {
  border-left: 1px solid var(--color-border);
  padding: 16px;
  overflow-y: auto;
  min-width: 0;
}
.pe-props-hint { color: var(--color-text-secondary); font-size: 14px; margin: 0; }
.pe-props h3 { margin: 0 0 12px; font-size: 15px; }
.pe-props .compressor-field { margin-bottom: 14px; }
.pe-props-row { display: flex; gap: 10px; }
.pe-props-row .compressor-field { flex: 1; min-width: 0; }
.pe-props-toggle-row { display: flex; gap: 8px; margin-bottom: 14px; }
.pe-props-toggle-row button {
  flex: 1;
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-background);
  cursor: pointer;
  font-weight: 700;
}
.pe-props-toggle-row button.is-active { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-surface-alt); }
.pe-props-actions { display: flex; gap: 10px; margin-top: 10px; }
.pe-props-actions .btn { flex: 1; }
.pe-color-swatches { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.pe-color-swatch { width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--color-border); cursor: pointer; padding: 0; }
.pe-color-swatch.is-active { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* ---------- Download bar ---------- */

.pe-download-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-wrap: wrap;
}
.btn-download { min-width: 200px; }
.pe-download-bar .compressor-status { margin: 0; }

/* ---------- Signature dialog ---------- */

.pe-signature-dialog {
  width: min(480px, calc(100% - 32px));
  border: none;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.pe-signature-dialog::backdrop { background: rgba(15, 23, 42, 0.5); }
.pe-signature-dialog h2 { margin: 0 0 16px; font-size: 20px; }
.pe-signature-tabs { display: flex; gap: 6px; margin-bottom: 16px; border-bottom: 1px solid var(--color-border); }
.pe-signature-tab {
  padding: 10px 4px;
  border: none;
  border-bottom: 2px solid transparent;
  background: none;
  font-weight: 700;
  color: var(--color-text-secondary);
  cursor: pointer;
  margin-right: 16px;
}
.pe-signature-tab.is-active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.pe-signature-canvas {
  width: 100%;
  height: 180px;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  background: #fff;
  touch-action: none;
  cursor: crosshair;
}
.pe-signature-controls { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.pe-signature-type-input {
  width: 100%;
  padding: 14px;
  font-size: 24px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
}
.pe-signature-fonts { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.pe-signature-font {
  flex: 1;
  min-width: 100px;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: 20px;
  cursor: pointer;
}
.pe-signature-font.is-active { border-color: var(--color-primary); background: var(--color-surface-alt); }
.pe-signature-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
#sigUploadFileName:not(:empty) { margin-top: 8px; }

/* ---------- Responsive ---------- */

@media (max-width: 1023px) {
  .pe-mobile-only { display: inline-flex; }
  .pe-body { display: flex; flex-direction: column; min-height: 0; }
  .pe-props { order: 3; border-left: none; border-top: 1px solid var(--color-border); }
  .pe-canvas-area { order: 2; }

  .pe-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(280px, 82vw);
    z-index: 60;
    transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: 4px 0 20px rgba(0,0,0,.15);
  }
  .pe-sidebar.is-open { transform: translateX(0); }
  .pe-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.4);
    z-index: 59;
  }
  .pe-sidebar.is-open ~ .pe-sidebar-backdrop,
  .pe-sidebar.is-open .pe-sidebar-backdrop { display: block; }

  /* Keep the toggle button clickable (to close the drawer) above its own
     full-screen backdrop, which otherwise intercepts the click. */
  .pe-topbar { position: relative; z-index: 61; }

  .pe-stage-wrap { padding: 12px; }
}

@media (max-width: 767px) {
  .pe-topbar { padding: 8px 10px; }
  .pe-icon-btn span { display: none; }
  .btn-download { flex: 1; min-width: 0; }
  .pe-download-bar { padding: 12px; }
  .pe-signature-fonts { flex-direction: column; }
}

@media (max-width: 480px) {
  .pe-tool-btn { min-width: 56px; }
  .pe-props { padding: 12px; }
  .pe-download-bar { flex-direction: column; align-items: stretch; }
  .pe-download-bar .btn { width: 100%; }
}