/* ===== 蓝夹缬 3D 定制页 ===== */

.page-shell {
  flex: 1;
  width: calc(100% - 60px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: rgba(255, 255, 255, 0.68);
  border-radius: 20px;
  padding: 22px;
  box-shadow: var(--shadow-lg);
  margin-left: 60px;
  padding-bottom: 120px;
  position: relative;
  overflow: hidden;
}

.page-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 24px 18px, rgba(31, 67, 116, 0.08) 0 1px, transparent 1px),
    radial-gradient(circle at 24px 18px, rgba(119, 64, 26, 0.06) 0 2px, transparent 2px),
    linear-gradient(180deg, rgba(244, 240, 230, 0.26), rgba(244, 240, 230, 0.12));
  background-size: 28px 22px, 44px 34px, auto;
  opacity: 0.9;
  z-index: 0;
}

.page-shell > * { position: relative; z-index: 1; }

.panel {
  position: relative;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
}

/* 雕版框口虚线 */
.panel::before {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 18px;
  border: 1px dashed rgba(31, 67, 116, 0.10);
  pointer-events: none;
  opacity: 0.7;
}

.panel > * { position: relative; }

.hero-card {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 18px;
  align-items: center;
  position: relative;
  background: linear-gradient(180deg, rgba(248, 250, 255, 0.98), rgba(243, 247, 252, 0.96));
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

/* 靛蓝左侧装饰条 */
.hero-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10%;
  bottom: 10%;
  width: 4px;
  border-radius: 0 999px 999px 0;
  background: linear-gradient(180deg, var(--ink-3), var(--ink-2));
  pointer-events: none;
}

.hero-card-compact { width: 100%; margin: 0; }

.eyebrow {
  color: var(--ink-4);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 12px;
}

.hero-card h1 { font-size: 18px; line-height: 1.2; max-width: 740px; }

.hero-text {
  max-width: 760px;
  margin-top: 6px;
  color: var(--text-soft);
  line-height: 1.5;
  font-size: 13px;
}

.workspace { position: relative; }
.panel { padding: 18px; }

.panel-head h2 {
  font-size: 24px;
  color: var(--ink-2);
  position: relative;
  display: inline-block;
}

.panel-head h2::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 40px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--ink-3), var(--ink-2));
  opacity: 0.4;
}

.panel-head p { color: var(--text-soft); margin-top: 8px; line-height: 1.6; }

.control-panel { display: flex; flex-direction: column; gap: 16px; }
.workspace > .control-panel { margin: 0; }
.preview-stage { width: 100%; }
.output-panel { width: 100%; margin: 0; }
.button-row { display: flex; gap: 12px; }

.field { display: flex; flex-direction: column; gap: 10px; }
.field span { font-weight: 700; }
.field small { color: var(--text-soft); }

input, select {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(18, 35, 61, 0.12);
  padding: 14px 16px;
  background: #fff;
  font: inherit;
}

input[type="file"] { padding: 12px; }

.preview-card, .render-stage {
  position: relative;
  min-height: 260px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px dashed rgba(36, 82, 166, 0.28);
  background:
    linear-gradient(135deg, rgba(219, 231, 255, 0.45), rgba(255, 255, 255, 0.92)),
    linear-gradient(45deg, rgba(36, 82, 166, 0.05), transparent);
  display: grid;
  place-items: center;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.preview-card-toolbar {
  min-height: 108px;
  max-width: 132px;
  width: 132px;
  border-radius: 18px;
}

.preview-card-toolbar img { object-fit: cover; }

.preview-card-toolbar .preview-placeholder { padding: 12px; font-size: 12px; line-height: 1.4; }

.main-toolbar {
  display: grid;
  grid-template-columns: minmax(280px, 1.2fr) minmax(280px, 1fr) 180px;
  gap: 14px;
  align-items: end;
  padding: 14px;
  margin-top: 14px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(246, 249, 254, 0.98), rgba(238, 244, 251, 0.96));
  border: 1px solid rgba(36, 82, 166, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.88);
}

.toolbar-actions {
  display: flex;
  gap: 12px;
  align-items: end;
  justify-content: flex-end;
  flex-wrap: wrap;
  min-height: 100%;
  padding: 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(20, 35, 61, 0.05);
}

.toolbar-field {
  min-width: 0;
  gap: 8px;
  min-height: 100%;
  padding: 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(20, 35, 61, 0.05);
}

.toolbar-field[for="productType"] { position: relative; padding: 12px; }
.toolbar-field[for="productType"] span { color: var(--text-main); font-size: 12px; letter-spacing: 0.08em; }
.product-type-picker { position: relative; }

.product-type-trigger {
  width: 100%;
  min-height: 72px;
  padding: 0 18px;
  border: 1px solid rgba(20, 35, 61, 0.08);
  border-radius: 20px;
  background:
    radial-gradient(circle at top right, rgba(197, 214, 244, 0.55), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 1), rgba(246, 248, 252, 0.98));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--text-main);
  cursor: pointer;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.product-type-trigger:hover,
.product-type-picker.is-open .product-type-trigger {
  border-color: rgba(26, 54, 93, 0.16);
  box-shadow: 0 18px 34px rgba(18, 38, 73, 0.1);
}

.product-type-trigger-copy { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; }
.product-type-trigger-copy small { color: var(--text-muted); font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.product-type-trigger strong { font-size: 22px; font-weight: 700; letter-spacing: 0.02em; }
.product-type-trigger-copy em { color: #617089; font-size: 12px; font-style: normal; }

.product-type-trigger-icon-wrap {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: rgba(20, 35, 61, 0.06);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.product-type-trigger-icon {
  width: 10px;
  height: 10px;
  border-right: 2px solid rgba(20, 35, 61, 0.7);
  border-bottom: 2px solid rgba(20, 35, 61, 0.7);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.18s ease;
  flex: 0 0 auto;
}

.product-type-picker.is-open .product-type-trigger-icon { transform: rotate(-135deg) translateY(-1px); }

.product-type-options {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  right: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(20, 35, 61, 0.08);
  box-shadow: 0 24px 46px rgba(10, 24, 52, 0.12);
}

.product-type-options[hidden] { display: none !important; }

.product-type-option {
  min-height: 96px;
  padding: 14px;
  border: 1px solid rgba(20, 35, 61, 0.06);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(251, 252, 255, 0.98), rgba(244, 247, 252, 0.96));
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 8px;
  text-align: left;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.product-type-option strong { font-size: 16px; color: var(--text-main); }
.product-type-option span { font-size: 12px; color: var(--text-soft); letter-spacing: 0; }

.product-type-option:hover, .product-type-option.is-active {
  transform: translateY(-2px);
  border-color: rgba(20, 35, 61, 0.12);
  box-shadow: 0 14px 28px rgba(23, 57, 121, 0.08);
}

.product-type-option.is-active {
  background:
    radial-gradient(circle at top right, rgba(190, 209, 243, 0.46), transparent 34%),
    linear-gradient(180deg, rgba(236, 243, 255, 0.98), rgba(248, 250, 255, 1));
}

.product-type-option[data-short]::before {
  content: attr(data-short);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: rgba(20, 35, 61, 0.06);
  color: #45536b;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.toolbar-field small { display: none; }
#resetCameraBtn { display: none; }
.toolbar-field[for="productType"], .product-type-field { align-self: stretch; }

.library-field .ghost-btn { width: 100%; min-height: 40px; font-size: 13px; }

.upload-secondary-actions { display: flex; gap: 10px; align-items: center; flex-wrap: nowrap; }
.upload-secondary-actions > * { flex: 0 0 auto; }

.library-open-btn {
  min-width: 176px;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(180deg, var(--ink-4), var(--ink-2));
  border-color: transparent;
  box-shadow: 0 10px 22px rgba(23, 57, 121, 0.18);
}

.library-open-btn:hover { background: linear-gradient(180deg, #2b60c0, #1a4288); }

.ghost-btn-file {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 12px;
  font-size: 12px;
  cursor: pointer;
  min-width: 92px;
  background: rgba(255, 255, 255, 0.96);
}

.upload-field .ghost-btn { min-height: 38px; padding: 0 12px; font-size: 13px; border-radius: 14px; }
.placement-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.library-picker-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 24px;
}

.library-picker-modal[hidden] { display: none !important; }

.library-picker-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: rgba(5, 15, 32, 0.62);
  backdrop-filter: blur(6px);
}

.library-picker-panel {
  position: relative;
  z-index: 1;
  width: min(1080px, 100%);
  max-height: min(88vh, 900px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  border-radius: 28px;
  background: rgba(248, 250, 255, 0.98);
  border: 1px solid rgba(24, 49, 87, 0.12);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
}

.library-picker-head, .library-picker-toolbar, .library-picker-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.library-picker-head h3 { font-size: 22px; }
.library-picker-head p, .library-picker-status { color: var(--text-soft); line-height: 1.5; }
.library-picker-toolbar input { flex: 1; }

.library-picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  overflow: auto;
  padding-right: 4px;
}

.library-picker-card {
  border: 1px solid rgba(20, 35, 61, 0.1);
  background: #fff;
  border-radius: 18px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  text-align: left;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.library-picker-card:hover, .library-picker-card.is-selected {
  transform: translateY(-2px);
  border-color: rgba(36, 82, 166, 0.4);
  box-shadow: 0 14px 28px rgba(23, 57, 121, 0.12);
}

.library-picker-card.is-selected {
  background: linear-gradient(180deg, rgba(232, 240, 255, 0.92), rgba(255, 255, 255, 1));
}

.library-picker-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 14px;
}

.library-picker-card strong, .library-picker-card span { width: 100%; word-break: break-all; }
.library-picker-card span { color: var(--text-soft); font-size: 12px; }

body.is-library-picker-open { overflow: hidden; }
.placement-action-btn { min-height: 44px; padding: 0 16px; }
.control-grid-tooling { grid-template-columns: 1fr 1fr; }

.placement-preset-cards { display: flex; gap: 10px; flex-wrap: wrap; }

.preset-card {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid rgba(20, 35, 61, 0.1);
  background: rgba(255, 255, 255, 0.82);
  color: var(--text-main);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.preset-card:hover, .preset-card.is-active {
  transform: translateY(-1px);
  border-color: rgba(36, 82, 166, 0.34);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(227, 236, 250, 0.94));
  box-shadow: 0 10px 22px rgba(18, 42, 87, 0.1);
}

.field-value {
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(36, 82, 166, 0.1);
  color: var(--ink-2);
  font-size: 12px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.artwork-library {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px;
  margin-top: 12px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(248, 250, 255, 0.96), rgba(238, 243, 252, 0.94));
  border: 1px solid rgba(36, 82, 166, 0.1);
}

.layer-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(248, 250, 255, 0.96), rgba(238, 243, 252, 0.94));
  border: 1px solid rgba(36, 82, 166, 0.1);
}

.layer-panel-head h3 { font-size: 16px; }
.layer-panel-head p { margin-top: 4px; color: var(--text-soft); font-size: 13px; line-height: 1.5; }
.layer-list { display: block; }

.design-preview-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(63, 108, 188, 0.12), transparent 34%),
    linear-gradient(180deg, rgba(249, 251, 255, 0.98), rgba(236, 242, 251, 0.96));
  border: 1px solid rgba(36, 82, 166, 0.12);
}

.design-preview-card-floating {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 8;
  width: min(250px, calc(100% - 24px));
  padding: 10px;
  border-radius: 16px;
  box-shadow: 0 16px 32px rgba(10, 24, 52, 0.16);
  backdrop-filter: blur(10px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(240, 246, 253, 0.82)),
    radial-gradient(circle at top right, rgba(73, 117, 205, 0.12), transparent 36%);
  border: 1px solid rgba(255, 255, 255, 0.7);
}

.viewer-shell > .design-preview-card-floating .design-preview-stage { min-height: 150px; }
.output-panel > .design-preview-card { display: none; }
.design-preview-head h3 { font-size: 16px; }
.design-preview-head p { display: none; }

.design-preview-stage {
  border-radius: 22px;
  overflow: hidden;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.94), transparent 48%),
    linear-gradient(180deg, #eef3fb 0%, #dce6f5 100%);
  border: 1px solid rgba(36, 82, 166, 0.12);
  min-height: 420px;
}

#designPreviewCanvas { width: 100%; height: 100%; display: block; }

.artwork-list { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 4px; }

.artwork-empty {
  min-height: 88px;
  width: 100%;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.72);
  border: 1px dashed rgba(36, 82, 166, 0.22);
}

.artwork-chip {
  flex: 0 0 128px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px;
  border-radius: 18px;
  border: 1px solid rgba(20, 35, 61, 0.08);
  background: rgba(255, 255, 255, 0.88);
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.artwork-chip:hover, .artwork-chip.is-active {
  transform: translateY(-1px);
  border-color: rgba(36, 82, 166, 0.36);
  box-shadow: 0 12px 24px rgba(20, 48, 96, 0.12);
}

.artwork-chip.is-active {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(226, 235, 250, 0.92));
}

.artwork-chip img { width: 100%; height: 92px; object-fit: cover; border-radius: 14px; background: #fff; }
.artwork-chip span { font-size: 12px; line-height: 1.35; color: var(--text-main); word-break: break-all; }

.preview-card img, .render-stage img { width: 100%; height: 100%; object-fit: contain; display: none; }

.preview-placeholder { text-align: center; color: var(--text-soft); padding: 24px; line-height: 1.6; }

.placement-editor {
  position: relative;
  min-height: 220px;
  border-radius: 22px;
  border: 1px dashed rgba(36, 82, 166, 0.26);
  background:
    radial-gradient(circle at top, rgba(152, 183, 240, 0.26), transparent 42%),
    linear-gradient(180deg, rgba(235, 241, 250, 0.98), rgba(250, 252, 255, 0.94)),
    repeating-linear-gradient(45deg, rgba(36, 82, 166, 0.04) 0 16px, transparent 16px 32px);
  overflow: hidden;
}

.placement-editor-frame {
  position: absolute;
  width: 110px;
  height: 110px;
  left: calc(50% - 55px);
  top: calc(50% - 55px);
  border: 2px solid var(--ink-4);
  border-radius: 18px;
  background: rgba(36, 82, 166, 0.18);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.65), 0 10px 24px rgba(22, 55, 118, 0.16);
  cursor: grab;
}

.placement-editor-frame::after {
  content: "";
  position: absolute;
  right: 10px;
  bottom: 10px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink-4);
}

.placement-editor-frame.is-dragging { cursor: grabbing; }

.floating-control-toggle {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 28px;
  z-index: 30;
  min-height: 52px;
  padding: 0 18px;
  border: none;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--ink-4), var(--ink-1));
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 16px 38px rgba(8, 23, 52, 0.28);
}

.render-log, .preview-head, .hero-card, .control-panel .panel-head, .layer-panel-head { display: none !important; }

.sidebar-toggle {
  position: fixed;
  top: 24px;
  left: 132px;
  z-index: 1200;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  background: rgba(9, 20, 42, 0.84);
  color: #f8fbff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 16px 34px rgba(7, 18, 40, 0.22);
  backdrop-filter: blur(12px);
  transition: left 0.22s ease, background 0.18s ease;
}

.sidebar-toggle:hover { background: rgba(23, 57, 121, 0.92); }

body.mockup-theme.sidebar-collapsed { padding-left: 24px; }

body.mockup-theme.sidebar-collapsed .sidebar {
  transform: translateX(-140%);
  opacity: 0;
  pointer-events: none;
}

body.mockup-theme.sidebar-collapsed .sidebar-toggle { left: 24px; }

.control-panel {
  position: fixed;
  left: 50%;
  top: auto;
  bottom: 92px;
  width: min(560px, calc(100vw - 80px));
  min-width: 360px;
  min-height: 320px;
  max-height: min(60vh, 760px);
  overflow: auto;
  resize: both;
  z-index: 40;
  background:
    linear-gradient(180deg, rgba(250, 252, 255, 0.98), rgba(238, 244, 252, 0.96)),
    radial-gradient(circle at top right, rgba(76, 123, 215, 0.16), transparent 36%);
  border: 1px solid rgba(36, 82, 166, 0.16);
  box-shadow: 0 28px 80px rgba(7, 21, 49, 0.22);
  transform: translateX(-50%);
  transition: transform 0.22s ease, opacity 0.22s ease;
  cursor: move;
}

.control-panel.is-hidden { transform: none; opacity: 0; pointer-events: none; }

.control-panel-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 10px 6px 2px;
  cursor: move;
  user-select: none;
  touch-action: none;
}

.control-panel-topbar strong { flex: 1; padding: 8px 4px; }

.control-close-btn {
  min-height: 36px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid rgba(20, 35, 61, 0.12);
  background: rgba(255, 255, 255, 0.74);
  font: inherit;
  cursor: pointer;
}

.control-panel .panel-head {
  padding: 16px 18px 14px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(11, 24, 52, 0.96), rgba(21, 45, 90, 0.92));
  color: #f4f8ff;
  cursor: move;
  user-select: none;
  touch-action: none;
}

.control-panel .panel-head p { color: rgba(232, 240, 255, 0.84); }

.control-panel .field {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(20, 35, 61, 0.08);
  cursor: default;
}

.control-grid { display: grid; gap: 14px; }
.control-grid-top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.control-grid-bottom { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }

.control-panel input, .control-panel select { border-radius: 14px; padding: 12px 14px; cursor: default; }

.control-panel button, .control-panel label, .placement-editor, .placement-editor-frame,
.layer-list, .artwork-list { cursor: default; }

.control-panel .button-row {
  position: sticky;
  bottom: 0;
  padding: 12px 0 0;
  background: linear-gradient(180deg, rgba(241, 246, 252, 0), rgba(241, 246, 252, 0.98) 36%);
}

.primary-btn, .ghost-btn {
  min-height: 52px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 700;
  font: inherit;
  cursor: pointer;
}

.primary-btn {
  border: none;
  background:
    linear-gradient(135deg, #2b62c5, var(--ink-2)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent);
  color: #fff;
  box-shadow: 0 14px 30px rgba(23, 57, 121, 0.28);
}

.primary-btn-link { padding: 0 20px; }

.ghost-btn {
  border: 1px solid rgba(20, 35, 61, 0.1);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text-main);
  padding: 0 20px;
}

.loading-box, .message-box {
  border-radius: 18px;
  padding: 16px 18px;
  background: rgba(219, 231, 255, 0.42);
  color: var(--ink-2);
  border: 1px solid rgba(36, 82, 166, 0.12);
}

.message-box.is-error { background: rgba(255, 226, 226, 0.72); color: #8b2e2e; }

.result-card {
  border-radius: 24px;
  border: 1px solid rgba(20, 35, 61, 0.08);
  background: rgba(255, 255, 255, 0.88);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.result-card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.result-card-head h3 { font-size: 18px; }

.result-badge {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(20, 35, 61, 0.08);
  color: var(--text-main);
  font-size: 12px;
  font-weight: 700;
}

.result-badge.is-success { background: rgba(34, 122, 73, 0.14); color: #1d6c42; }
.result-badge.is-error { background: rgba(180, 42, 42, 0.12); color: #8b2e2e; }

.result-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }

.result-grid div {
  padding: 14px;
  border-radius: 18px;
  background: rgba(219, 231, 255, 0.3);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.result-grid span { color: var(--text-soft); font-size: 13px; }
.result-grid strong { font-size: 15px; word-break: break-all; }

.spinner {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 3px solid rgba(36, 82, 166, 0.18);
  border-top-color: var(--ink-4);
  animation: spin 1s linear infinite;
  margin-bottom: 10px;
}

.output-panel { display: flex; flex-direction: column; gap: 18px; }

.viewer-shell {
  position: relative;
  height: min(72vh, 760px);
  min-height: 680px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(36, 82, 166, 0.15);
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.92), transparent 45%),
    linear-gradient(180deg, #edf2f8 0%, #dfe6f1 100%);
}

.viewer-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 24% 18%, rgba(255, 255, 255, 0.92), transparent 28%),
    radial-gradient(circle at 74% 28%, rgba(79, 120, 198, 0.14), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent 42%);
  pointer-events: none;
  z-index: 1;
}

.viewer-shell[data-product-type="shoe"] {
  background:
    radial-gradient(circle at 16% 12%, rgba(255, 255, 255, 0.94), transparent 28%),
    radial-gradient(circle at 82% 26%, rgba(123, 154, 216, 0.18), transparent 28%),
    linear-gradient(180deg, #eef4fb 0%, #d6e0ee 100%);
}

.viewer-shell[data-product-type="plate"] {
  background:
    radial-gradient(circle at 50% 16%, rgba(255, 255, 255, 0.96), transparent 26%),
    radial-gradient(circle at 72% 24%, rgba(120, 152, 210, 0.16), transparent 30%),
    linear-gradient(180deg, #f4f8fd 0%, #dfe8f4 100%);
}

.viewer-shell[data-scene-style="dark"] {
  background:
    radial-gradient(circle at top, rgba(113, 156, 239, 0.18), transparent 32%),
    linear-gradient(180deg, #162338 0%, #0f1a2b 100%);
}

.viewer-shell[data-scene-style="dark"]::before {
  background:
    radial-gradient(circle at 22% 16%, rgba(208, 227, 255, 0.18), transparent 22%),
    radial-gradient(circle at 76% 24%, rgba(94, 132, 212, 0.18), transparent 30%);
}

#viewerCanvas { width: 100%; height: 100%; display: block; position: relative; z-index: 0; }
#fileNameText { display: none; }

.viewer-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  color: var(--text-soft);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.35), rgba(237, 242, 248, 0.2));
  pointer-events: none;
  text-align: center;
  z-index: 6;
}

.viewer-overlay-card {
  width: min(320px, 72vw);
  padding: 20px 20px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(20, 35, 61, 0.08);
  box-shadow: 0 18px 36px rgba(16, 34, 68, 0.16);
}

.viewer-overlay-title { color: var(--text-main); font-size: 15px; font-weight: 700; }

.viewer-overlay-progress {
  width: 100%;
  height: 10px;
  margin-top: 14px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(36, 82, 166, 0.12);
}

.viewer-overlay-progress-bar {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--ink-4), #4c83e6);
  transition: width 0.35s ease;
}

.viewer-overlay-value { margin-top: 10px; color: var(--ink-2); font-size: 13px; font-weight: 700; }

.tips-card {
  border-radius: 18px;
  background: rgba(219, 231, 255, 0.35);
  padding: 16px 18px;
  color: var(--ink-2);
  line-height: 1.7;
}

.tips-card h3 { margin-bottom: 8px; font-size: 15px; }

.render-stage {
  min-height: 620px;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.82), transparent 52%),
    linear-gradient(180deg, rgba(226, 232, 243, 0.75), rgba(247, 249, 252, 0.94));
}

.result-meta {
  display: grid;
  grid-template-columns: minmax(180px, 260px);
  gap: 14px;
  margin-top: 16px;
}

.result-meta div {
  background: #fff;
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 14px 16px;
}

.result-meta span { display: block; color: var(--text-soft); margin-bottom: 6px; font-size: 13px; }

.result-meta-select select {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(20, 35, 61, 0.12);
  background: rgba(255, 255, 255, 0.96);
  padding: 12px 14px;
  color: var(--text-main);
  font-weight: 600;
}

.result-actions { display: flex; gap: 14px; }

.render-log {
  min-height: 110px;
  max-height: 220px;
  overflow: auto;
  background: #0d1831;
  color: #d9e5ff;
  border-radius: 18px;
  padding: 16px;
  line-height: 1.5;
  font-family: Consolas, "Courier New", monospace;
  white-space: pre-wrap;
}

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 1100px) {
  body { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; }
  .nav-container { flex-direction: row; flex-wrap: wrap; }
  .nav-item { flex: 1 1 120px; }
  .nav-item-user { margin-top: 0; }
  .workspace { min-height: auto; }
  .floating-control-toggle { left: 50%; transform: translateX(-50%); bottom: 20px; }
  .sidebar-toggle { left: 12px; top: 12px; }
  .control-panel { left: 50%; right: auto; width: calc(100vw - 32px); min-width: 0; max-height: min(68vh, 760px); resize: none; }
  .output-panel { width: 100%; }
  .hero-card-compact { width: 100%; }
  .result-grid { grid-template-columns: 1fr; }
  .layer-list, .generated-preview-meta { grid-template-columns: 1fr; }
  .main-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .preview-card-toolbar { width: 100%; max-width: none; }
  .toolbar-actions { justify-content: stretch; }
  .toolbar-field[for="productType"] { grid-column: 1 / -1; }
  .product-type-options { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-type-options { grid-template-columns: 1fr; }
  .control-grid-top, .control-grid-bottom, .control-grid-tooling { grid-template-columns: 1fr; }
  .library-picker-panel { padding: 18px; }
}

@media (max-width: 720px) {
  .hero-card { flex-direction: column; padding: 10px 14px; }
  .sidebar-toggle { top: auto; bottom: 92px; left: 12px; }
  .panel { padding: 18px; }
  .render-stage { min-height: 420px; }
  .viewer-shell { height: 56vh; min-height: 480px; }
  .main-toolbar { grid-template-columns: 1fr; }
  .product-type-showcase { grid-template-columns: 1fr; }
  .library-picker-head, .library-picker-toolbar, .library-picker-actions { flex-direction: column; align-items: stretch; }
  .result-meta { grid-template-columns: 1fr; }
  .generated-preview-stage { min-height: 300px; }
  .result-actions { flex-direction: column; }
  .preview-card-toolbar { width: 100%; }
  .library-picker-modal { padding: 12px; }
  .library-picker-grid { grid-template-columns: 1fr; }
}