/* ─────────────────────────────────────────────────────────────
   Scarlett · Glass Layer
   Activated by adding `class="glass-app"` to <body>.
   Reads four custom properties (set by glass.js from localStorage):
     --app-bg-image       background image (url(...))
     --glass-blur         backdrop blur radius
     --card-opacity       white-card opacity
     --overlay-opacity    fixed scrim over the bg image
   ───────────────────────────────────────────────────────────── */

:root {
  /* User-controlled — overridden by glass.js */
  --glass-blur: 22px;
  --card-opacity: 0.42;
  --overlay-opacity: 0.10;
  --app-bg-image: none;

  /* Pink-unified aurora — every accent the app exposes shares the
     same hue family (rose/mauve/peach) so the UI reads as a single
     color story. Saturated colors only show up in data viz. */
  --aurora-mint:  #F5C7D5;             /* soft petal pink */
  --aurora-pink:  #E58FAE;             /* the signature rose */
  --aurora-cream: #FCEFCA;             /* warm cream highlight */
  --aurora-ink:   #1F2530;
  --aurora-gradient: linear-gradient(135deg, #F5C7D5 0%, #E58FAE 55%, #FCEFCA 100%);

  /* Accent for small indicator dots / focus rings — readable rose */
  --aurora-accent: #C9709A;
}

/* ── Page-level background ─────────────────────────────────── */
/* The user's bg + scrim + tri-aurora are stacked in a fixed div placed
   as the FIRST child of <body> via glass.js. This avoids body bg propagation
   and bg-attachment compositing bugs that hid content in some layouts. */
.glass-bg-layer {
  position: fixed !important;
  inset: 0 !important;
  z-index: -1 !important;
  pointer-events: none;
  background-color: #2a2b35;
  /* 兜底层(最底):base.css 同款暖白晨雾,2026-07-13 替换掉三月的老粉渐变
     (--aurora-gradient 只保留给小部件用,不再当页面底色)。 */
  background-image:
    linear-gradient(180deg,
      rgba(0,0,0, calc(var(--overlay-opacity) * 0.5)) 0%,
      rgba(0,0,0, var(--overlay-opacity)) 100%),
    var(--app-bg-image),
    radial-gradient(110% 75% at 20% 0%, rgba(255,192,214,0.44), transparent 55%),
    radial-gradient(100% 70% at 100% 10%, hsl(338 45% 62% / 0.38), transparent 58%),
    linear-gradient(135deg, #f8f3f6, #f7eef4 45%, #f7e9ef);
  background-size:     100% 100%, cover, cover, cover, cover;
  background-position: center, center, center, center, center;
  background-repeat:   no-repeat, no-repeat, no-repeat, no-repeat, no-repeat;
}

body.glass-app {
  background: transparent;
  color: var(--aurora-ink);
  min-height: 100dvh;

  /* Override theme.css accents inside the glass layer so every
     formerly-purple (#6B5BFF) or hot-pink (#FF8DB6) or green leak
     resolves to the unified rose family. Focus rings, link colors,
     "active" indicators, and chat-input focus all pull from this. */
  --accent:       #C9709A;
  --accent-hover: #B05F86;
  --accent-soft:  rgba(201,112,154,0.18);
  --accent-ink:   #fff;
  --rose:         #E58FAE;
  --teal:         #F5C7D5;
}
/* ───────────────────────────────────────────────────────────
   GLASS CARD PRIMITIVES
   The "standard" tier — everything else scales relative to it.
   ─────────────────────────────────────────────────────────── */

/* Base glass — applies to most surfaced containers */
body.glass-app .calendar,
body.glass-app #sidebar,
body.glass-app #chat-header,
body.glass-app .input-wrap {
  background: rgba(255,255,255, var(--card-opacity));
  backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  border: none;
  box-shadow:
    0 1px 2px rgba(20,18,40,0.08),
    0 8px 24px rgba(20,18,40,0.10);
}

/* Layer 1 · HERO — thickest, brightest, biggest lift */
body.glass-app .hero,
body.glass-app .login-card {
  background:
    linear-gradient(180deg,
      rgba(255,255,255, calc(var(--card-opacity) * 1.5 + 0.05)) 0%,
      rgba(255,255,255, calc(var(--card-opacity) * 1.15)) 40%,
      rgba(255,255,255, calc(var(--card-opacity) * 1.05)) 100%);
  backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  border: none;
  box-shadow:
    0 1px 2px rgba(20,18,40,0.10),
    0 18px 40px rgba(20,18,40,0.16),
    inset 0 1px 0 rgba(255,255,255,0.85);
}
body.glass-app .hero::before,
body.glass-app .login-card::before { display: none !important; }
body.glass-app .hero::after,
body.glass-app .login-card::after { display: none !important; }

/* Layer 3 · QUOTE — most ethereal, almost floating */
body.glass-app .quote-card {
  background: rgba(255,255,255, calc(var(--card-opacity) * 0.6));
  backdrop-filter: blur(calc(var(--glass-blur) * 1.25)) saturate(180%);
  -webkit-backdrop-filter: blur(calc(var(--glass-blur) * 1.25)) saturate(180%);
  border: none;
  box-shadow:
    0 2px 8px rgba(20,18,40,0.05);
}

/* Layer 4 · Inline textareas / style cards in settings — flatter */
body.glass-app textarea {
  background: rgba(255,255,255, calc(var(--card-opacity) * 0.7));
  backdrop-filter: blur(calc(var(--glass-blur) * 0.6)) saturate(140%);
  -webkit-backdrop-filter: blur(calc(var(--glass-blur) * 0.6)) saturate(140%);
  border: 1px solid rgba(255,255,255,0.40);
  color: var(--aurora-ink);
}
body.glass-app textarea:focus {
  border-color: rgba(255,255,255,0.85);
  background: rgba(255,255,255, calc(var(--card-opacity) * 1.1));
  box-shadow: 0 0 0 3px rgba(255,255,255,0.15);
}

/* ── App header / sidebar — pinned chrome ───────────────────── */
body.glass-app #chat-header {
  border-bottom: 1px solid rgba(255,255,255,0.25);
  border-radius: 0;
  /* override the original opaque tinted bg */
  background: rgba(255,255,255, calc(var(--card-opacity) * 0.9)) !important;
}
body.glass-app #sidebar {
  border-right: 1px solid rgba(255,255,255,0.20);
  border-radius: 0;
}
body.glass-app #main { background: transparent !important; }
body.glass-app #input-area {
  background: linear-gradient(to top, rgba(0,0,0,0.20) 30%, rgba(0,0,0,0) 100%) !important;
}

/* ── Page typography on glass (slightly stronger ink) ──────── */
body.glass-app,
body.glass-app .intro h1,
body.glass-app .days-number,
body.glass-app .login-title {
  color: var(--aurora-ink);
}
body.glass-app .hero-label,
body.glass-app .days-unit,
body.glass-app .days-foot,
body.glass-app .intro .sub,
body.glass-app .mono-meta,
body.glass-app .login-sub,
body.glass-app .footer,
body.glass-app .footer-note,
body.glass-app .header-status,
body.glass-app h2 {
  color: rgba(31,37,48,0.70) !important;
}
body.glass-app .quote-text {
  color: rgba(31,37,48,0.80) !important;
}
body.glass-app .quote-mark { color: var(--aurora-pink) !important; }

/* Pills / status dots — colored over white glass */
body.glass-app .pill {
  background: rgba(255,255,255,0.65) !important;
  border-color: rgba(255,255,255,0.85) !important;
  color: rgba(31,37,48,0.75) !important;
}
body.glass-app .pill .dot {
  background: var(--aurora-pink);
  box-shadow: 0 0 0 3px rgba(229,143,174,0.25);
}

/* Days progress bar */
body.glass-app .days-progress {
  background: rgba(31,37,48,0.12);
}
body.glass-app .days-progress span {
  background: var(--aurora-gradient) !important;
}

/* Hero icon / chat ai-mark — keep colored against white */
body.glass-app .ai-mark {
  background: var(--aurora-gradient) !important;
}

/* ── Chat — sidebar / header / input glass, BUBBLES SOLID ───── */
body.glass-app .chat-item:hover {
  background: rgba(255,255,255,0.30);
}
body.glass-app .chat-item.active {
  background: rgba(255,255,255,0.55);
  box-shadow: 0 1px 2px rgba(20,18,40,0.06);
}
body.glass-app .chat-item.active::before {
  background: var(--aurora-pink);
}
body.glass-app .chat-item { color: rgba(31,37,48,0.7); }
body.glass-app .chat-item.active,
body.glass-app .chat-item:hover { color: var(--aurora-ink); }
body.glass-app .chat-item-date,
body.glass-app .chat-item-btn { color: rgba(31,37,48,0.5); }
body.glass-app #sidebar-nav {
  background: rgba(255,255,255,0.30);
  border: 1px solid rgba(255,255,255,0.40);
}
body.glass-app #sidebar-nav a { color: rgba(31,37,48,0.65); }
body.glass-app #sidebar-nav a:hover {
  background: rgba(255,255,255,0.50);
  color: var(--aurora-ink);
}
body.glass-app #new-chat-btn {
  background: rgba(255,255,255,0.55);
  border-color: rgba(255,255,255,0.70);
  color: var(--aurora-ink);
}
body.glass-app #new-chat-btn:hover {
  background: rgba(255,255,255,0.75);
}

/* Message bubbles — user is a softened dark glass (translucent ink with
   white text). Lighter than the original near-black bubble, picks up
   tones from whatever background sits behind, but stays unambiguously
   "the user side" of the thread. Assistant stays bright glass. */
body.glass-app .message.user {
  background: rgba(31,37,48,0.55) !important;
  color: #fff !important;
  border: none !important;
  /* 液态玻璃边缘高光 · 2026-07-01：多层 inset（顶沿/描边/底返/侧流），纯 CSS 不升合成层，WebKit OK */
  box-shadow:
    0 1px 2px rgba(20,18,40,0.12),
    0 10px 28px rgba(20,18,40,0.20),
    inset 0 1px 1px rgba(255,255,255,0.35),
    inset 0 -10px 16px -12px rgba(255,255,255,0.22),
    inset 6px 0 12px -10px rgba(255,255,255,0.14),
    inset -6px 0 12px -10px rgba(255,255,255,0.14) !important;
  /* ② 低blur玻璃：小 blur + 高饱和提亮 = 通透玻璃感（非磨砂），WebKit 也认 */
  backdrop-filter: blur(calc(var(--glass-blur) * 0.2)) saturate(165%) brightness(1.03);
  -webkit-backdrop-filter: blur(calc(var(--glass-blur) * 0.2)) saturate(165%) brightness(1.03);
}
/* nuke the inherited purple+rose radial overlay from chat.html */
body.glass-app .message.user::before { display: none !important; }
body.glass-app .message.user .msg-time { color: rgba(255,255,255,0.55) !important; }
body.glass-app .message.user .text-content strong { color: #fff !important; }
body.glass-app .message.user .text-content em { color: rgba(255,255,255,0.80) !important; }
body.glass-app .message.user .text-content code {
  background: rgba(255,255,255,0.18) !important;
  color: #fff !important;
}
body.glass-app .message.user .text-content pre {
  background: rgba(0,0,0,0.28) !important;
  color: #fff !important;
}
body.glass-app .message.user .text-content a {
  color: #fff !important;
  text-decoration-color: rgba(255,255,255,0.55) !important;
}
body.glass-app .message.user .text-content blockquote {
  border-left-color: rgba(255,255,255,0.40) !important;
  color: rgba(255,255,255,0.80) !important;
}
body.glass-app .message.user .msg-action-btn {
  border-color: rgba(255,255,255,0.22) !important;
  color: rgba(255,255,255,0.65) !important;
}
body.glass-app .message.user .msg-action-btn:hover {
  border-color: #fff !important;
  color: #fff !important;
}

body.glass-app .message.assistant {
  background: rgba(255,255,255, calc(var(--card-opacity) + 0.22)) !important;
  /* ② 低blur玻璃：小 blur + 高饱和提亮对比 = 通透玻璃感（非磨砂），WebKit 也认 */
  backdrop-filter: blur(calc(var(--glass-blur) * 0.16)) saturate(185%) brightness(1.08) contrast(1.04);
  -webkit-backdrop-filter: blur(calc(var(--glass-blur) * 0.16)) saturate(185%) brightness(1.08) contrast(1.04);
  color: var(--aurora-ink) !important;
  border: none !important;
  /* 液态玻璃边缘高光 · 2026-07-01：多层 inset（顶沿/描边/底返/侧流），纯 CSS 不升合成层，WebKit OK */
  box-shadow:
    0 1px 2px rgba(20,18,40,0.05),
    0 10px 30px rgba(20,18,40,0.10),
    inset 0 1px 1px rgba(255,255,255,0.95),
    inset 0 -10px 18px -12px rgba(255,255,255,0.60),
    inset 6px 0 12px -10px rgba(255,255,255,0.40),
    inset -6px 0 12px -10px rgba(255,255,255,0.40) !important;
}

body.glass-app .input-wrap {
  border: none !important;
}
body.glass-app .input-wrap:focus-within {
  box-shadow: 0 1px 2px rgba(20,18,40,0.08),
              0 8px 24px rgba(20,18,40,0.14);
}
body.glass-app #input { color: var(--aurora-ink); }
body.glass-app #input::placeholder { color: rgba(31,37,48,0.45); }
body.glass-app .tool-btn { color: rgba(31,37,48,0.65); }
body.glass-app .tool-btn:hover {
  background: rgba(255,255,255,0.45);
  color: var(--aurora-ink);
}
body.glass-app #model-select,
body.glass-app #style-select {
  color: rgba(31,37,48,0.65);
  border-color: rgba(255,255,255,0.55);
  background-color: rgba(255,255,255,0.30);
}

/* Send button — clean aurora-ink, no purple/pink radial */
body.glass-app #send {
  background: var(--aurora-ink);
  box-shadow: 0 6px 16px rgba(31,37,48,0.30);
}
body.glass-app #send::before { display: none !important; }
body.glass-app #send:disabled {
  background: rgba(255,255,255,0.45) !important;
  color: rgba(31,37,48,0.40) !important;
  box-shadow: none !important;
}

/* ── Login ─────────────────────────────────────────────────── */
body.glass-app .brand-mark {
  background: var(--aurora-gradient) !important;
}
body.glass-app .login-card input {
  background: rgba(255,255,255, 0.55) !important;
  border-color: rgba(255,255,255, 0.70) !important;
  color: var(--aurora-ink);
}
body.glass-app .login-card input:focus {
  border-color: rgba(255,255,255, 0.95) !important;
  box-shadow: 0 0 0 3px rgba(255,255,255,0.30) !important;
}
body.glass-app .login-card button {
  background: var(--aurora-ink);
}

/* ── Settings — admin context ──────────────────────────────── */
body.glass-app .container .btn {
  border-color: var(--aurora-ink);
  background: var(--aurora-ink);
}
body.glass-app h2::after {
  background: rgba(31,37,48,0.20);
}

.glass-slider {
  background: rgba(255,255,255,0.40);
  backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  border-radius: var(--r-md);
  padding: 14px 16px 16px;
  box-shadow: none;
}
.glass-slider-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.glass-slider-label {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--aurora-ink);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.glass-slider-label code {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: rgba(31,37,48,0.50);
  letter-spacing: 0.04em;
  font-weight: 400;
}
.glass-slider-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--aurora-ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  padding: 3px 10px;
  background: rgba(255,255,255,0.55);
  border-radius: 999px;
}
.glass-slider input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 5px;
  background: rgba(31,37,48,0.18);
  border-radius: 999px;
  outline: none;
}
.glass-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--aurora-ink);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
}
.glass-slider input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--aurora-ink);
  cursor: pointer;
  border: 0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
}

/* small screens — fonts compress slightly */
@media (max-width: 480px) {
  .glass-slider { padding: 12px 14px 14px; }
}
