/* ==========================================================================
   annie · 雾霾蓝文艺拼贴排版
   浅淡雾霾蓝底色 / 散落方形与圆点 / 卡片错位堆叠 / 柔和阴影 / 充足留白
   Loads after the base stylesheet and re-skins the whole workspace.
   ========================================================================== */

:root {
  --mist-0: #f4f8fd;
  --mist-1: #e8eff9;
  --mist-2: #dae5f4;
  --mist-3: #cbdcef;
  --line: rgba(120, 155, 200, 0.32);
  --line-soft: rgba(120, 155, 200, 0.18);
  --ink: #33506f;
  --ink-2: #5d7899;
  --ink-3: #8ba1bd;
  --accent: #6f9ad4;
  --accent-deep: #4d7cb8;
  --accent-soft: #eaf2fc;
  --card: rgba(255, 255, 255, 0.9);
  --radius-lg: 22px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --serif: "Noto Serif SC", "Songti SC", "Source Han Serif SC", "SimSun", Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--mist-1);
}

body {
  background: linear-gradient(180deg, #eef4fb, #dde8f6);
  color: var(--ink);
}

/* ---------------------------------------------------------------- shell --- */
.app-shell {
  position: relative;
  padding: 40px;
  overflow: hidden;
  background:
    radial-gradient(1100px 640px at 80% -12%, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0) 62%),
    radial-gradient(820px 620px at 4% 100%, rgba(146, 180, 222, 0.42), rgba(146, 180, 222, 0) 66%),
    linear-gradient(168deg, #eaf2fb 0%, #dfe9f7 36%, #d4e2f3 68%, #e6eef9 100%);
}

.app-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: url("../images/pattern-mist.svg");
  background-size: 300px 300px;
  opacity: 0.85;
}

.app-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-repeat: no-repeat;
  background-image:
    url("../images/deco-rose.svg"),
    url("../images/deco-butterfly.svg"),
    url("../images/deco-sea.svg"),
    url("../images/deco-sparkles.svg");
  background-position:
    left -76px bottom -80px,
    right 12px top 4px,
    right -56px bottom -44px,
    left 44% top 6px;
  background-size:
    330px 330px,
    200px 200px,
    280px 280px,
    300px 300px;
  opacity: 0.68;
}

/* ------------------------------------------------------------ workspace --- */
.workspace {
  position: relative;
  z-index: 1;
  grid-template-columns: minmax(272px, 330px) minmax(430px, 1fr) minmax(286px, 344px);
  gap: 22px;
  min-height: calc(100vh - 80px);
  overflow: visible;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.panel,
.preview-area {
  position: relative;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
}

/* scattered squares / dots texture inside every card */
.panel::before,
.preview-area::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  border-radius: inherit;
  background-image: url("../images/pattern-mist.svg");
  background-size: 260px 260px;
  opacity: 0.4;
}

.panel > *,
.preview-area > * {
  position: relative;
  z-index: 1;
}

/* staggered stacked-paper offsets, soft shadows */
.panel:first-child {
  margin-top: 16px;
  box-shadow:
    0 22px 46px rgba(103, 138, 184, 0.18),
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    -9px 11px 0 -2px rgba(255, 255, 255, 0.8),
    -9px 11px 0 0 rgba(150, 183, 219, 0.55);
}

.preview-area {
  background: rgba(255, 255, 255, 0.7);
  box-shadow:
    0 26px 54px rgba(103, 138, 184, 0.2),
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    9px 12px 0 -2px rgba(255, 255, 255, 0.8),
    9px 12px 0 0 rgba(150, 183, 219, 0.52);
}

.panel-right {
  margin-top: 32px;
  box-shadow:
    0 22px 46px rgba(103, 138, 184, 0.18),
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    10px 9px 0 -2px rgba(255, 255, 255, 0.8),
    10px 9px 0 0 rgba(150, 183, 219, 0.55);
}

.panel:first-child::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 10px;
  width: 210px;
  height: 210px;
  transform: translateX(-50%);
  pointer-events: none;
  background: url("../images/deco-sea.svg") no-repeat center/contain;
  opacity: 0.17;
}

.panel:first-child,
.preview-area,
.panel-right {
  border-right: 1px solid rgba(255, 255, 255, 0.9);
  border-left: 1px solid rgba(255, 255, 255, 0.9);
}

.panel {
  padding: 26px 22px 30px;
}

/* ---------------------------------------------------------------- brand --- */
.brand {
  gap: 14px;
  align-items: flex-end;
  margin-bottom: 26px;
}

.brand-logo,
.brand img {
  display: block;
  width: 108px;
  height: auto;
  object-fit: contain;
  mix-blend-mode: normal;
}

.brand p,
.topbar p {
  margin: 0 0 4px;
  color: var(--ink-3);
  font-family: var(--serif);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: none;
}

.brand h1,
.topbar h2 {
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* --------------------------------------------------------------- upload --- */
.upload-zone {
  position: relative;
  min-height: 132px;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--ink-2);
  border: 1px dashed rgba(120, 155, 200, 0.55);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(238, 245, 253, 0.8));
  font-size: 13px;
  font-weight: 320;
  letter-spacing: 0.02em;
}

.upload-zone::after {
  content: "";
  position: absolute;
  right: 10px;
  top: 6px;
  width: 62px;
  height: 62px;
  pointer-events: none;
  background: url("../images/deco-butterfly.svg") no-repeat center/contain;
  opacity: 0.34;
}

.upload-zone:hover {
  border-color: var(--accent);
  background: linear-gradient(180deg, #ffffff, var(--accent-soft));
  box-shadow: 0 0 0 4px rgba(111, 154, 212, 0.1);
}

.upload-zone svg {
  color: var(--accent-deep);
  opacity: 0.9;
}

/* ------------------------------------------------------------- thumbs ----- */
.thumb-grid {
  gap: 9px;
  margin-bottom: 22px;
}

.thumb {
  background: var(--mist-2);
  border-radius: 9px;
  box-shadow: 0 8px 18px rgba(103, 138, 184, 0.16);
}

.thumb button {
  top: 4px;
  right: 4px;
  width: 21px;
  height: 21px;
  background: rgba(77, 124, 184, 0.82);
}

.thumb button:hover {
  background: var(--accent-deep);
}

/* -------------------------------------------------------- control groups -- */
.control-group {
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
}

.control-title {
  gap: 9px;
  margin-bottom: 14px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.control-title svg {
  color: var(--accent);
}

/* --------------------------------------------------------- style cards ---- */
.style-list,
.action-stack {
  gap: 9px;
}

.style-card {
  grid-template-columns: 13px 1fr;
  gap: 6px 11px;
  padding: 14px 13px;
  color: var(--ink);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
}

.style-card strong {
  font-size: 14px;
  font-weight: 420;
  letter-spacing: 0.06em;
}

.style-card small {
  color: var(--ink-3);
  font-size: 11px;
  font-weight: 300;
}

.style-card span {
  border-radius: 2px;
}

.style-card.selected {
  background: linear-gradient(180deg, #ffffff, var(--accent-soft));
  border-color: rgba(111, 154, 212, 0.72);
  box-shadow: 0 12px 26px rgba(103, 138, 184, 0.18);
}

.style-card:hover {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(111, 154, 212, 0.36);
}

.style-pagination {
  margin-top: 14px;
}

.style-pagination button {
  min-height: 34px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 320;
}

.style-pagination button:disabled {
  color: #b9c9dd;
  background: rgba(240, 246, 253, 0.7);
}

.style-pagination button:not(:disabled):hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.style-pagination span {
  color: var(--ink-3);
  font-family: var(--serif);
  letter-spacing: 0.14em;
}

/* ------------------------------------------------------------ preview ----- */
.topbar {
  padding: 20px 28px;
  border-bottom: 1px solid var(--line-soft);
}

.topbar h2 {
  font-size: 21px;
}

.palette span {
  width: 18px;
  height: 18px;
  border-color: rgba(111, 154, 212, 0.35);
  box-shadow: 0 3px 8px rgba(103, 138, 184, 0.18);
}

.canvas-wrap {
  position: relative;
  padding: 40px;
  background:
    radial-gradient(560px 420px at 50% 12%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0) 70%),
    linear-gradient(90deg, rgba(120, 155, 200, 0.1) 1px, transparent 1px),
    linear-gradient(180deg, rgba(120, 155, 200, 0.1) 1px, transparent 1px),
    linear-gradient(180deg, #eef4fb, #e2ebf7);
  background-size:
    auto,
    34px 34px,
    34px 34px,
    auto;
}

.canvas-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: url("../images/deco-sparkles.svg") no-repeat;
  background-position: right 6px top 4px;
  background-size: 260px 260px;
  opacity: 0.45;
}

canvas {
  border-radius: 6px;
  box-shadow:
    0 30px 70px rgba(92, 128, 174, 0.26),
    0 0 0 1px rgba(255, 255, 255, 0.9),
    0 0 0 2px rgba(120, 155, 200, 0.14);
}

/* ------------------------------------------------------------ controls ---- */
.segmented,
.theme-grid {
  gap: 8px;
}

.segmented button,
.theme-grid button {
  min-height: 36px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 320;
  letter-spacing: 0.04em;
}

.segmented button.active,
.theme-grid button.active {
  color: #fff;
  background: linear-gradient(180deg, var(--accent), var(--accent-deep));
  border-color: var(--accent-deep);
  box-shadow: 0 10px 22px rgba(77, 124, 184, 0.3);
}

.segmented button:not(.active):hover,
.theme-grid button:not(.active):hover,
.secondary-action:hover,
.reset-all:hover,
.edit-actions button:hover,
.batch-download:hover,
.layer-tabs button:not(.active):hover,
.history-actions button:hover:not(:disabled),
.color-row button:hover,
.text-clear-button:hover,
.replace-image-box label:hover,
.replace-image-box button:hover,
.crop-controls button:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.custom-size-grid {
  gap: 10px;
  margin-top: 12px;
}

.custom-size-grid span,
.copy-input span,
.color-row,
.range-row {
  color: var(--ink-3);
  font-weight: 320;
  letter-spacing: 0.1em;
}

.custom-size-grid input,
.copy-input textarea {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.custom-size-grid input:focus,
.copy-input textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(111, 154, 212, 0.18);
}

.copy-input textarea::placeholder {
  color: #a9bcd4;
}

.hint {
  color: var(--ink-3);
}

.toggle-row {
  gap: 9px;
  margin-top: 13px;
  color: var(--ink);
  font-weight: 320;
  letter-spacing: 0.04em;
}

.toggle-row input {
  width: 17px;
  height: 17px;
  accent-color: var(--accent-deep);
}

.layer-tabs button,
.edit-actions button,
.history-actions button,
.reset-all,
.color-row button,
.text-clear-button,
.replace-image-box label,
.replace-image-box button,
.crop-controls button {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-weight: 320;
}

.layer-tabs button.active {
  color: #fff;
  background: linear-gradient(180deg, var(--accent), var(--accent-deep));
  border-color: var(--accent-deep);
}

.range-row input,
.range-row input[type="range"] {
  accent-color: var(--accent-deep);
}

.color-row {
  grid-template-columns: 52px 42px 1fr;
}

.color-row input {
  border-color: var(--line);
  border-radius: var(--radius-sm);
}

.crop-controls,
.replace-image-box {
  background: rgba(244, 249, 255, 0.9);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
}

.crop-controls p,
.replace-image-box p {
  color: var(--ink);
  font-weight: 360;
  letter-spacing: 0.04em;
}

.history-actions button:disabled {
  opacity: 0.38;
}

/* ---------------------------------------------------------- primary CTA --- */
.primary-action {
  color: #fff;
  background: linear-gradient(180deg, var(--accent), var(--accent-deep));
  border: 1px solid var(--accent-deep);
  border-radius: var(--radius-md);
  font-weight: 420;
  letter-spacing: 0.1em;
  box-shadow: 0 16px 32px rgba(77, 124, 184, 0.32);
}

.primary-action:hover {
  background: linear-gradient(180deg, #7ba7de, #4076b3);
  transform: translateY(-1px);
}

.secondary-action {
  color: var(--accent-deep);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  font-weight: 320;
  letter-spacing: 0.08em;
}

.insight-card {
  position: relative;
  color: var(--ink);
  border-top: 1px solid var(--line-soft);
  letter-spacing: 0.03em;
}

.insight-card::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -14px;
  width: 96px;
  height: 96px;
  pointer-events: none;
  background: url("../images/deco-rose.svg") no-repeat center/contain;
  opacity: 0.16;
}

.insight-card p {
  color: var(--ink-3);
}

.batch-panel {
  border-top: 1px solid var(--line-soft);
}

.batch-preview {
  background: var(--mist-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 22px rgba(103, 138, 184, 0.14);
}

.batch-download {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

/* ------------------------------------------------------------ responsive -- */
@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: minmax(250px, 306px) minmax(380px, 1fr);
  }

  .panel-right {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-top: 0;
    border-top: 0;
  }

  .panel-right .control-group {
    border-top: 0;
    padding: 0;
  }
}

@media (max-width: 760px) {
  .app-shell {
    padding: 14px;
  }

  .workspace,
  .panel-right {
    grid-template-columns: 1fr;
  }

  .panel:first-child,
  .panel-right {
    margin-top: 0;
    border-right: 0;
    border-left: 0;
  }

  .canvas-wrap {
    padding: 14px;
  }
}