PersonalWebApplication/Client/src/index.css

/* ── Fonts (本地打包，离线/WSL 可用) ───────────────────────── */
@import '@fontsource-variable/fraunces/opsz.css';
@import '@fontsource-variable/fraunces/opsz-italic.css';
@import '@fontsource/hanken-grotesk/300.css';
@import '@fontsource/hanken-grotesk/400.css';
@import '@fontsource/hanken-grotesk/500.css';
@import '@fontsource/hanken-grotesk/600.css';

@import 'tailwindcss';

/* ── Design tokens（暖调暗色编辑风）──────────────────────────── */
@theme {
  --color-bg: #17130f;
  --color-surface: #221c16;
  --color-text: #eae2d4;
  --color-muted: #9b8f7e;
  --color-accent: #c99a5b;
  --color-accent-soft: #e0bd8a;
  --color-line: #3a3027;

  --font-display: 'Fraunces Variable', ui-serif, Georgia, serif;
  --font-sans: 'Hanken Grotesk', system-ui, -apple-system, sans-serif;
}

/* ── Base ────────────────────────────────────────────────── */
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  min-height: 100svh;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 400;
  /* 隐藏系统光标，由 CursorFollower 接管（仅精确指针设备）*/
}

@media (pointer: fine) {
  body.has-custom-cursor,
  body.has-custom-cursor * {
    cursor: none;
  }
}

/* 全站文字默认不可选；输入框/文本域/可编辑区例外，加 data-selectable 可单独放开 */
body {
  -webkit-user-select: none;
  user-select: none;
}
input,
textarea,
[contenteditable='true'],
[data-selectable] {
  -webkit-user-select: text;
  user-select: text;
}

/* 选中文本配色 */
::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* 可见键盘焦点环 */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ── 颗粒噪点（叠加在氛围面板上）─────────────────────────────── */
.grain::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* ── 动态渐变 mesh（缓慢漂移）───────────────────────────────── */
@keyframes drift {
  0%   { transform: translate3d(-6%, -4%, 0) scale(1.15) rotate(0deg); }
  50%  { transform: translate3d(6%, 4%, 0) scale(1.25) rotate(8deg); }
  100% { transform: translate3d(-6%, -4%, 0) scale(1.15) rotate(0deg); }
}

.mesh {
  position: absolute;
  inset: -25%;
  background:
    radial-gradient(40% 45% at 25% 30%, rgba(201, 154, 91, 0.45), transparent 70%),
    radial-gradient(35% 40% at 75% 65%, rgba(140, 96, 64, 0.40), transparent 70%),
    radial-gradient(45% 50% at 60% 20%, rgba(90, 70, 52, 0.40), transparent 70%);
  filter: blur(40px);
  animation: drift 26s ease-in-out infinite;
  will-change: transform;
}

/* ── 标题下划线闪烁游标 ──────────────────────────────────────── */
@keyframes blink {
  0%, 45%  { opacity: 1; }
  50%, 95% { opacity: 0; }
  100%     { opacity: 1; }
}

.cursor-bar {
  animation: blink 1.15s steps(1, end) infinite;
}

/* ── 彩虹（仿 joshwcomeau）─────────────────────────────────────
   一条横向流动的多色渐变。首尾同色，配合 200% 宽度做无缝平移。
   既可裁切到文字，也可铺在装饰条上。 */
@keyframes rainbow-pan {
  to {
    background-position: 200% center;
  }
}

.rainbow-gradient {
  background-image: linear-gradient(
    90deg,
    #ff5f6d,
    #ffb13d,
    #ffe14d,
    #4ade80,
    #38bdf8,
    #a78bfa,
    #f472b6,
    #ff5f6d
  );
  background-size: 200% auto;
  animation: rainbow-pan 6s linear infinite;
}

/* 把流动彩虹裁切进文字（始终显示彩虹色） */
.rainbow-text {
  background-image: linear-gradient(
    90deg,
    #ff5f6d,
    #ffb13d,
    #ffe14d,
    #4ade80,
    #38bdf8,
    #a78bfa,
    #f472b6,
    #ff5f6d
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: rainbow-pan 6s linear infinite;
}

/* 把彩虹裁进文字但不强制颜色：默认用不透明文字色盖住，
   hover 时把文字色设为 transparent（group-hover:text-transparent）即露出彩虹。 */
.rainbow-clip {
  background-image: linear-gradient(
    90deg,
    #ff5f6d,
    #ffb13d,
    #ffe14d,
    #4ade80,
    #38bdf8,
    #a78bfa,
    #f472b6,
    #ff5f6d
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  animation: rainbow-pan 6s linear infinite;
}

/* ── 整页渐变极光背景（玻璃栏透出的就是它）──────────────────────
   固定铺满视口、置于所有内容之下。底色为 Lunada 渐变
   （uigradients「Lunada」：#A7BFE8 → #6190E8），上面叠几团同色系
   蓝光斑缓慢漂移并大幅模糊，让平面渐变产生液态流动感。 */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -10;
  overflow: hidden;
  /* Lunada 渐变打底 */
  background: linear-gradient(135deg, #6190e8 0%, #89a8e6 48%, #a7bfe8 100%);
}

.aurora::before {
  content: '';
  position: absolute;
  inset: -25%;
  background:
    radial-gradient(30% 34% at 18% 28%, rgba(97, 144, 232, 0.65), transparent 70%),
    radial-gradient(28% 32% at 82% 24%, rgba(167, 191, 232, 0.70), transparent 70%),
    radial-gradient(34% 38% at 72% 78%, rgba(120, 162, 236, 0.60), transparent 70%),
    radial-gradient(26% 30% at 26% 82%, rgba(192, 211, 245, 0.55), transparent 70%),
    radial-gradient(24% 28% at 50% 50%, rgba(140, 175, 240, 0.45), transparent 70%);
  filter: blur(60px);
  /* 静止：持续漂移会让上层多个 backdrop-filter 每帧重算模糊，是卡顿主因 */
}

/* 中间内容纸张：压暗的暖色玻璃（模糊背后极光保证可读），
   两侧各一道高光描边，与左右玻璃竖栏拼出连续的玻璃接缝。 */
.glass-sheet {
  /* 底色 84% 不透明，背后极光本就几乎透不过来；省掉昂贵的 backdrop-filter，
     观感基本无差，却避免这条又高又大的区域每帧重算模糊。 */
  background: rgba(23, 19, 15, 0.84);
  box-shadow:
    inset 1px 0 0 rgba(255, 255, 255, 0.12),
    inset -1px 0 0 rgba(255, 255, 255, 0.12),
    0 30px 80px rgba(20, 30, 60, 0.30);
}

/* ── 起始页玻璃面板（极简浅色玻璃，叠在背景图上）──────────────
   与暗色 .glass-sheet 不同：这里要真模糊，让背后照片透出液态质感。
   半透明白 + 细高光描边 + 适度饱和，放在任何背景图上都成立。 */
.glass-panel {
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 10px 30px rgba(0, 0, 0, 0.22);
  /* blur 半径直接决定每帧重算模糊的成本（∝ 半径×面积），高分屏下尤甚；
     20px→10px 观感几乎无差，开销减半。见 .glass-sheet 处的同类取舍。 */
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
}

/* ── reduced-motion 降级 ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .mesh,
  .cursor-bar,
  .rainbow-gradient,
  .rainbow-text,
  .rainbow-clip,
  .aurora::before {
    animation: none;
  }
}

/* ══════════════════════════════════════════════════════════════
   照片墙 Photo Wall（地址栏 #photo → 登录后进入的互动照片墙）
   纯美术与画布交互，命名空间 .pw-，避免与全站令牌冲突。
   ══════════════════════════════════════════════════════════════ */
.pw-root {
  position: fixed;
  inset: 0;
  overflow: hidden;
  --pw-tb: 56px;
  font-family: var(--font-sans);
  color: #333;
}

/* ── 顶部工具栏：半透明磨砂，与画布视觉区分 ──────────────────── */
.pw-toolbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--pw-tb);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  z-index: 30;
}
.pw-logo {
  font-weight: 700;
  font-size: 16px;
  margin-right: 12px;
  white-space: nowrap;
}
.pw-tbtn {
  border: none;
  background: transparent;
  font: inherit;
  font-size: 13.5px;
  color: #333;
  padding: 7px 11px;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.1s ease;
}
.pw-tbtn:hover { background: #f5f5f5; }
.pw-tbtn:active { background: #eee; }
.pw-tbtn.pw-danger { color: #ef5350; }
.pw-tbtn.pw-danger:hover { background: #ffebee; }
.pw-save {
  font-size: 12.5px;
  color: #888;
  padding: 0 8px;
  min-width: 56px;
  text-align: right;
  white-space: nowrap;
}

/* 下拉 / 右键菜单共用纸片样式 */
.pw-pop {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.16);
  padding: 6px;
}
.pw-item {
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13.5px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  white-space: nowrap;
}
.pw-item:hover { background: #f5f5f5; }
.pw-item.pw-danger { color: #ef5350; }
.pw-item.pw-danger:hover { background: #ffebee; }
.pw-item .pw-kbd { color: #aaa; font-size: 11.5px; }
.pw-sep { height: 1px; background: #eee; margin: 5px 4px; }
.pw-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  padding: 2px;
}
.pw-grid .pw-item { text-align: center; padding: 7px 6px; justify-content: center; }
.pw-rowin { display: flex; gap: 4px; padding: 6px 2px; }
.pw-rowin input {
  flex: 1;
  min-width: 0;
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 6px 8px;
  font: inherit;
  font-size: 13px;
  color: #333;
}
.pw-rowin button {
  border: none;
  background: #444;
  color: #fff;
  border-radius: 6px;
  padding: 0 12px;
  cursor: pointer;
  font-size: 13px;
}
.pw-colorrow { display: flex; gap: 6px; padding: 6px 8px; }
.pw-preset { display: flex; align-items: center; gap: 5px; padding: 5px 8px; flex-wrap: wrap; }
.pw-preset-label { font-size: 12px; color: #888; width: 28px; }
.pw-chip {
  border: 1px solid #e0e0e0; background: #fff; border-radius: 12px;
  padding: 3px 9px; font-size: 12px; cursor: pointer; color: #444;
}
.pw-chip:hover { background: #f5f5f5; }
.pw-sw {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  cursor: pointer;
  border: 1px solid rgba(0, 0, 0, 0.1);
}
.pw-menu { position: fixed; z-index: 9999; transform-origin: top left; animation: pwMenuIn 0.12s ease; }
@keyframes pwMenuIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

/* 右键菜单内的滑条行 */
.pw-slider-row { display: flex; align-items: center; gap: 8px; padding: 6px 12px; }
.pw-slider-row .pw-preset-label { min-width: 56px; font-size: 13px; color: #555; }
.pw-slider-row input[type="range"] { flex: 1; height: 4px; accent-color: #3498DB; }
.pw-slider-row .pw-preset-val { min-width: 42px; text-align: right; font-size: 12px; color: #888; font-variant-numeric: tabular-nums; }

/* 管理员配额警告条 */
.pw-quota-bar { position: sticky; top: 44px; z-index: 30; background: #FDEBD0; color: #7D6608; text-align: center; padding: 6px 16px; font-size: 13px; border-bottom: 1px solid #F5B041; }

/* ── 画布与四种背景 ─────────────────────────────────────────── */
.pw-wall {
  position: absolute;
  left: 0;
  right: 0;
  top: var(--pw-tb);
  bottom: 0;
  overflow: hidden;
}
.pw-bg-cork {
  background-color: #c19a6b;
  background-image:
    repeating-linear-gradient(115deg, rgba(160, 120, 90, 0.35) 0 2px, transparent 2px 5px),
    repeating-linear-gradient(35deg, rgba(120, 85, 55, 0.2) 0 1px, transparent 1px 4px),
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1), transparent 60%),
    linear-gradient(135deg, #c19a6b, #a0785a);
}
.pw-bg-blackboard {
  background-color: #2d3b2d;
  box-shadow: inset 0 0 220px rgba(0, 0, 0, 0.55);
  background-image:
    repeating-radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 3px),
    repeating-radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.015) 0 1px, transparent 1px 4px);
}
.pw-bg-wall {
  background-color: #fafafa;
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.05) 1px, transparent 1px);
  background-size: 26px 26px;
}
.pw-bg-kraft {
  background-color: #d4a56a;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255, 235, 200, 0.3), transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(150, 100, 55, 0.3), transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(120, 80, 45, 0.22), transparent 50%),
    linear-gradient(120deg, #dbb078, #c7935a);
}
.pw-drophint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(0, 0, 0, 0.28);
  border: 4px dashed rgba(255, 255, 255, 0.7);
  z-index: 20;
  pointer-events: none;
}

/* ── 画布元素通用 ───────────────────────────────────────────── */
.pw-el {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: center center;
  cursor: grab;
  touch-action: none;
  will-change: transform;
  transition: box-shadow 0.12s ease;
}
.pw-el.pw-dragging { cursor: grabbing; transition: none; }

/* 宝丽来照片 */
.pw-photo {
  background: #fff;
  padding: 10px 10px 36px;
  border-radius: 2px;
  box-shadow: 3px 5px 14px rgba(0, 0, 0, 0.28);
}
.pw-photo.pw-dragging { box-shadow: 10px 18px 36px rgba(0, 0, 0, 0.35); }
.pw-imgwrap { overflow: hidden; }
.pw-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #f0f0f0;
  pointer-events: none;
  -webkit-user-drag: none;
}
.pw-caption {
  font-family: 'Comic Sans MS', 'Comic Sans', cursive;
  font-size: 12px;
  color: #444;
  text-align: center;
  margin-top: 8px;
  min-height: 14px;
  line-height: 14px;
  word-break: break-word;
}
.pw-caption-input {
  font-family: 'Comic Sans MS', 'Comic Sans', cursive;
  font-size: 12px;
  color: #444;
  text-align: center;
  border: none;
  border-bottom: 1px dashed #bbb;
  outline: none;
  width: 100%;
  margin-top: 6px;
  background: transparent;
}

/* 固定方式：胶带 / 图钉 */
.pw-fix-tape {
  position: absolute;
  top: -10px;
  left: 50%;
  width: 64px;
  height: 22px;
  background: repeating-linear-gradient(
    90deg,
    rgba(255, 235, 140, 0.55) 0 3px,
    rgba(255, 225, 110, 0.4) 3px 6px
  );
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  pointer-events: none;
}
.pw-fix-tape.pw-left { left: 8px; top: -8px; transform: rotate(-42deg); }
.pw-fix-tape.pw-right { left: auto; right: 8px; top: -8px; transform: rotate(42deg); }
.pw-fix-pin {
  position: absolute;
  top: -9px;
  left: 50%;
  width: 18px;
  height: 18px;
  margin-left: -9px;
  border-radius: 50%;
  box-shadow: inset -2px -2px 3px rgba(0, 0, 0, 0.35), 1px 2px 4px rgba(0, 0, 0, 0.4);
  pointer-events: none;
}
.pw-fix-pin::after {
  content: '';
  position: absolute;
  top: 4px;
  left: 5px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.7);
}

/* 便签 */
.pw-note {
  width: 160px;
  min-height: 140px;
  padding: 14px;
  box-shadow: 2px 4px 12px rgba(0, 0, 0, 0.25);
  font-family: 'Comic Sans MS', 'Comic Sans', cursive;
  font-size: 14px;
  color: #333;
  word-break: break-word;
  white-space: pre-wrap;
  overflow: hidden;
}
.pw-note-fold { position: absolute; bottom: 0; left: 0; width: 0; height: 0; border-style: solid; }
.pw-note-input {
  width: 100%;
  height: 100%;
  min-height: 110px;
  border: none;
  outline: none;
  resize: none;
  background: transparent;
  font: inherit;
  color: inherit;
}

/* 胶带条 / 贴纸 / 印章 / 手绘 */
.pw-tape {
  height: 18px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
  border-radius: 1px;
}
.pw-sticker {
  padding: 7px 11px;
  border-radius: 6px;
  font-family: 'Comic Sans MS', 'Comic Sans', cursive;
  font-size: 13px;
  color: #444;
  background: #fff;
  box-shadow: 1px 2px 6px rgba(0, 0, 0, 0.18);
  white-space: nowrap;
}
.pw-stamp svg,
.pw-doodle svg { display: block; overflow: visible; }

/* 轻提示 */
.pw-toast {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(40, 40, 40, 0.92);
  color: #fff;
  padding: 9px 16px;
  border-radius: 20px;
  font-size: 13px;
  z-index: 50;
  pointer-events: none;
}