@import "tailwindcss";
@import "tw-animate-css";

@source "../node_modules/streamdown/dist/index.js";

/* Heading */
@source inline("text-{xs,sm,base,lg,xl,2xl,3xl,4xl,5xl,6xl}");
@source inline("font-{normal,medium,semibold,bold,extrabold}");
@source inline("leading-{none,tight,snug,normal,relaxed,loose}");

/* Spacing */
@source inline("m{t,b,l,r,x,y}-{0,1,2,3,4,5,6,8,10,12,16,20,24}");
@source inline("p{t,b,l,r,x,y}-{0,1,2,3,4,5,6,8,10,12,16,20,24}");
@source inline("space-{x,y}-{1,2,3,4,5,6,8}");

/* List */
@source inline("list-{disc,decimal,none,inside,outside}");

/* Text */
@source inline("text-{left,center,right,justify}");
@source inline("text-{slate,gray,zinc,neutral,stone}-{50,100,200,300,400,500,600,700,800,900,950}");
@source inline("italic");
@source inline("underline");
@source inline("line-through");

/* Code */
@source inline("font-mono");
@source inline("bg-{slate,gray,zinc,muted}-{50,100,200}");
@source inline("rounded{,-sm,-md,-lg,-xl}");
@source inline("border{,-2,-4}");
@source inline("border-{slate,gray,zinc,border}-{200,300}");

/* Blockquote */
@source inline("border-l-{2,4}");
@source inline("border-l-{slate,gray,primary}-{300,400,500}");

/* Link */
@source inline("text-{blue,primary,accent}-{500,600,700}");
@source inline("hover:text-{blue,primary,accent}-{600,700,800}");
@source inline("hover:underline");

/* Table */
@source inline("border-collapse");
@source inline("table-auto");
@source inline("w-full");
@source inline("divide-{x,y}");
@source inline("divide-{slate,gray,border}-{200,300}");

/* Image */
@source inline("max-w-{xs,sm,md,lg,xl,2xl,full}");
@source inline("h-auto");
@source inline("object-cover");

/* Horizontal Rule */
@source inline("border-t");
@source inline("border-{slate,gray,border}-{200,300}");

/* General */
@source inline("block");
@source inline("inline");
@source inline("inline-block");
@source inline("break-words");
@source inline("overflow-{auto,hidden,x-auto}");
@source inline("whitespace-pre-wrap");

/* Shadcn Colors */
@source inline("text-{foreground,muted-foreground,primary,secondary,accent}");
@source inline("bg-{background,muted,primary,secondary,accent}");
@source inline("border-{border,input}");

@custom-variant dark (&:is(.dark *));

@theme {
  --font-sans:
    ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol", "Noto Color Emoji";

  --animate-fade-in: fade-in 1.1s;
  @keyframes fade-in {
    0% {
      opacity: 0;
    }
    100% {
      opacity: 1;
    }
  }

  --animate-fade-in-up: fade-in-up 0.15s ease-in-out forwards;
  @keyframes fade-in-up {
    0% {
      opacity: 0;
      transform: translateY(1rem) scale(1.2);
    }
    100% {
      opacity: 1;
    }
  }

  --animate-bouncing: bouncing 0.5s infinite alternate;
  @keyframes bouncing {
    to {
      opacity: 0.1;
      transform: translateY(-8px);
    }
  }

  --animate-skeleton-entrance: skeleton-entrance 0.35s ease-out forwards;
  @keyframes skeleton-entrance {
    0% {
      opacity: 0;
      transform: scaleX(0);
    }
    100% {
      opacity: 1;
      transform: scaleX(1);
    }
  }

  --animate-suggestion-in: suggestion-in 0.2s ease-out forwards;
  @keyframes suggestion-in {
    0% {
      opacity: 0;
      transform: translateY(-1.25rem);
    }
    100% {
      opacity: 1;
      transform: translateY(0);
    }
  }

  --animate-wave: wave 0.6s ease-in-out 2;
  @keyframes wave {
    0%,
    100% {
      transform: rotate(0deg);
    }
    25% {
      transform: rotate(20deg);
    }
    50% {
      transform: rotate(0deg);
    }
    75% {
      transform: rotate(20deg);
    }
  }

  --animate-breathe-stop: breathe-stop 1.8s ease-in-out infinite;
  @keyframes breathe-stop {
    0%,
    100% {
      transform: scale(1);
      box-shadow:
        0 0 0 0 rgba(217, 33, 33, 0.14),
        0 8px 24px -14px rgba(217, 33, 33, 0.35);
    }
    50% {
      transform: scale(1.06);
      box-shadow:
        0 0 0 10px rgba(217, 33, 33, 0),
        0 14px 32px -16px rgba(217, 33, 33, 0.45);
    }
  }
}

@theme inline {
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --radius-2xl: calc(var(--radius) + 8px);
  --radius-3xl: calc(var(--radius) + 12px);
  --radius-4xl: calc(var(--radius) + 16px);
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-card: var(--card);
  --color-card-foreground: var(--card-foreground);
  --color-popover: var(--popover);
  --color-popover-foreground: var(--popover-foreground);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --color-secondary: var(--secondary);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-muted: var(--muted);
  --color-muted-foreground: var(--muted-foreground);
  --color-accent: var(--accent);
  --color-accent-foreground: var(--accent-foreground);
  --color-destructive: var(--destructive);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --color-chart-1: var(--chart-1);
  --color-chart-2: var(--chart-2);
  --color-chart-3: var(--chart-3);
  --color-chart-4: var(--chart-4);
  --color-chart-5: var(--chart-5);
  --color-sidebar: var(--sidebar);
  --color-sidebar-foreground: var(--sidebar-foreground);
  --color-sidebar-primary: var(--sidebar-primary);
  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
  --color-sidebar-accent: var(--sidebar-accent);
  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
  --color-sidebar-border: var(--sidebar-border);
  --color-sidebar-ring: var(--sidebar-ring);
  --animate-aurora: aurora 8s ease-in-out infinite alternate;
  @keyframes aurora {
    0% {
      background-position: 0% 50%;
      transform: rotate(-5deg) scale(0.9);
    }
    25% {
      background-position: 50% 100%;
      transform: rotate(5deg) scale(1.1);
    }
    50% {
      background-position: 100% 50%;
      transform: rotate(-3deg) scale(0.95);
    }
    75% {
      background-position: 50% 0%;
      transform: rotate(3deg) scale(1.05);
    }
    100% {
      background-position: 0% 50%;
      transform: rotate(-5deg) scale(0.9);
    }
  }
  --animate-shine: shine var(--duration) infinite linear;
  @keyframes shine {
    0% {
      background-position: 0% 0%;
    }
    50% {
      background-position: 100% 100%;
    }
    to {
      background-position: 0% 0%;
    }
  }
}

:root {
  --workspace-brand: #d92121;
  --workspace-brand-foreground: #ffffff;
  --radius: 0.75rem;
  --background: oklch(1 0 0);
  --foreground: oklch(0.22 0.02 25);
  --card: oklch(1 0.002 95);
  --card-foreground: oklch(0.22 0.02 25);
  --popover: oklch(1 0.002 95);
  --popover-foreground: oklch(0.22 0.02 25);
  --primary: oklch(0.52 0.19 27);
  --primary-foreground: oklch(0.99 0 0);
  --secondary: oklch(0.955 0.008 95);
  --secondary-foreground: oklch(0.32 0.04 25);
  --muted: oklch(0.965 0.006 95);
  --muted-foreground: oklch(0.48 0.02 25);
  --accent: oklch(0.96 0.04 25);
  --accent-foreground: oklch(0.35 0.12 25);
  --destructive: oklch(0.577 0.245 27.325);
  --border: oklch(0.9 0.008 95);
  --input: oklch(0.9 0.01 95);
  --ring: oklch(0.52 0.19 27 / 0.35);
  --chart-1: oklch(0.646 0.222 41.116);
  --chart-2: oklch(0.6 0.118 184.704);
  --chart-3: oklch(0.398 0.07 227.392);
  --chart-4: oklch(0.828 0.189 84.429);
  --chart-5: oklch(0.769 0.188 70.08);
  --sidebar: oklch(0.995 0.003 95);
  --sidebar-foreground: oklch(0.28 0.02 25);
  --sidebar-primary: oklch(0.52 0.19 27);
  --sidebar-primary-foreground: oklch(0.99 0 0);
  --sidebar-accent: oklch(0.978 0.018 70);
  --sidebar-accent-foreground: oklch(0.32 0.05 32);
  --sidebar-border: oklch(0.92 0.01 85);
  --sidebar-ring: oklch(0.52 0.19 27 / 0.4);
}

.dark {
  --workspace-brand: #3b82f6;
  --workspace-brand-foreground: #ffffff;
  --background: oklch(0.208 0.042 264);
  --foreground: oklch(0.96 0.005 240);
  --card: oklch(0.265 0.04 260);
  --card-foreground: oklch(0.96 0.005 240);
  --popover: oklch(0.245 0.04 262);
  --popover-foreground: oklch(0.96 0.005 240);
  --primary: oklch(0.623 0.214 259);
  --primary-foreground: oklch(0.99 0 0);
  --secondary: oklch(0.32 0.038 260);
  --secondary-foreground: oklch(0.96 0.005 240);
  --muted: oklch(0.30 0.035 260);
  --muted-foreground: oklch(0.68 0.02 240);
  --accent: oklch(0.35 0.06 260);
  --accent-foreground: oklch(0.96 0.005 240);
  --destructive: oklch(0.704 0.191 22.216);
  --border: oklch(1 0 0 / 12%);
  --input: oklch(1 0 0 / 14%);
  --ring: oklch(0.623 0.214 259 / 0.45);
  --chart-1: oklch(0.488 0.243 264.376);
  --chart-2: oklch(0.696 0.17 162.48);
  --chart-3: oklch(0.769 0.188 70.08);
  --chart-4: oklch(0.627 0.265 303.9);
  --chart-5: oklch(0.645 0.246 16.439);
  --sidebar: oklch(0.185 0.04 265);
  --sidebar-foreground: oklch(0.94 0.005 240);
  --sidebar-primary: oklch(0.623 0.214 259);
  --sidebar-primary-foreground: oklch(0.99 0 0);
  --sidebar-accent: oklch(0.30 0.055 260);
  --sidebar-accent-foreground: oklch(0.96 0.005 240);
  --sidebar-border: oklch(1 0 0 / 10%);
  --sidebar-ring: oklch(0.623 0.214 259 / 0.45);
  font-weight: 300;
}

@layer base {
  * {
    @apply border-border outline-ring/50;
  }
  body {
    @apply bg-background text-foreground;
  }

  [data-sidebar="menu-button"][data-active="true"] {
    box-shadow: inset 3px 0 0 var(--primary);
    font-weight: 600;
  }

  [data-sidebar="menu-button"][data-active="true"] svg {
    color: var(--primary);
  }

  .container-md {
    width: 100%;
    @media (width >= 40rem) {
      max-width: 40rem;
    }
    @media (width >= 48rem) {
      max-width: 48rem;
    }
    @media (width >= 64rem) {
      max-width: 64rem;
    }
    @media (width >= 80rem) {
      max-width: 80rem;
    }
  }

  .ambilight {
    pointer-events: none;
    opacity: 0;
    transition: opacity 1s ease-in-out;
  }

  .ambilight:before,
  .ambilight:after {
    content: "";
    pointer-events: none;
    position: absolute;
    left: 0;
    top: 0;
    background: linear-gradient(
      45deg,
      #fb0094,
      #0000ff,
      #00ff00,
      #ffff00,
      #ff0000,
      #fb0094,
      #0000ff,
      #00ff00,
      #ffff00,
      #ff0000
    );
    background-size: 400%;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    z-index: -1;
    animation: ambilight 40s ease-in-out infinite;
  }

  .ambilight.enabled {
    opacity: 1;
  }

  .dark .ambilight:before,
  .dark .ambilight:after {
    opacity: 0.85;
  }

  @keyframes ambilight {
    0% {
      background-position: 0 0;
    }
    50% {
      background-position: 400% 0;
    }
    100% {
      background-position: 0 0;
    }
  }

  .ambilight:after {
    filter: blur(60px);
  }

  .golden-text {
    background: linear-gradient(135deg, #d19e1d 0%, #e9c665 50%, #e3a812 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-fill-color: transparent;
  }

  *::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }

  *::-webkit-scrollbar-track {
    background: transparent;
  }

  *::-webkit-scrollbar-thumb {
    border: 2px solid transparent;
    border-radius: 999px;
    background: linear-gradient(180deg, rgb(241 89 89 / 0.82), rgb(214 36 36 / 0.9))
      padding-box;
  }

  .workspace-shell {
    background: #ffffff;
  }

  .dark .workspace-shell {
    background: var(--background);
  }

  .workspace-panel {
    border: 1px solid #f0d7d0;
    background: #ffffff;
    box-shadow:
      0 32px 72px -46px rgb(98 63 42 / 0.35),
      0 12px 28px -22px rgb(170 91 75 / 0.24);
  }

  .dark .workspace-panel {
    border: 1px solid oklch(1 0 0 / 10%);
    background: var(--card);
    box-shadow: none;
  }

  .workspace-user-bubble {
    max-width: min(82%, 42rem);
    border: 1px solid rgb(255 255 255 / 0.14);
    border-radius: 1.6rem 1.6rem 0.5rem 1.6rem;
    background: linear-gradient(135deg, #ff5b67 0%, #ef334d 58%, #df213e 100%);
    color: white;
    box-shadow:
      0 22px 40px -28px rgb(215 39 55 / 0.72),
      0 10px 20px -16px rgb(155 18 34 / 0.48);
  }

  .workspace-user-bubble a,
  .workspace-user-bubble code {
    color: inherit;
  }

  .workspace-user-bubble code {
    background: rgb(255 255 255 / 0.18);
    border-radius: 0.5rem;
    padding: 0.1rem 0.35rem;
  }

  .workspace-assistant-card {
    position: relative;
    width: 100%;
    border: 1px solid #f1d9d3;
    border-radius: 1.75rem;
    background: rgb(255 255 255 / 0.94);
    box-shadow:
      0 28px 48px -42px rgb(120 74 55 / 0.38),
      0 6px 18px -14px rgb(165 93 73 / 0.2);
  }

  .workspace-assistant-card::before {
    content: "";
    position: absolute;
    top: 1rem;
    left: 1rem;
    width: 0.45rem;
    height: calc(100% - 2rem);
    border-radius: 999px;
    background: linear-gradient(180deg, rgb(255 110 110 / 0.92), rgb(233 45 45 / 0.15));
    opacity: 0.88;
  }

  .workspace-assistant-card > * {
    position: relative;
    z-index: 1;
  }

  .workspace-assistant-card .prose,
  .workspace-assistant-card [data-state] {
    width: 100%;
  }

  .workspace-assistant-card .my-3 {
    margin-block: 0.25rem;
  }

  .workspace-chat-toolbar {
    border: 1px solid rgb(255 255 255 / 0.22);
    background: rgb(255 255 255 / 0.14);
    color: white;
    backdrop-filter: blur(18px);
  }

  @keyframes sandbox-preview-enter {
    0% {
      opacity: 0;
      transform: translateY(14px) scale(0.985);
    }
    100% {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }

  @keyframes sandbox-preview-glow {
    0%,
    100% {
      box-shadow:
        0 0 0 0 rgb(227 39 39 / 0),
        0 8px 20px -16px rgb(227 39 39 / 0.1);
    }
    50% {
      box-shadow:
        0 0 0 8px rgb(227 39 39 / 0.08),
        0 18px 34px -18px rgb(227 39 39 / 0.3);
    }
  }

  @keyframes sandbox-preview-badge {
    0%,
    100% {
      transform: translateY(0);
      opacity: 0.88;
    }
    50% {
      transform: translateY(-1px);
      opacity: 1;
    }
  }

  @keyframes sandbox-scroll-button-in {
    0% {
      opacity: 0;
      transform: translateY(-45%) scale(0.96);
    }
    100% {
      opacity: 1;
      transform: translateY(-50%) scale(1);
    }
  }
}

/* ─── Tiptap writing editor ─────────────────────────────────────────────── */
.tiptap-writing-editor .ProseMirror {
  outline: none;
  min-height: 320px;
  caret-color: var(--primary);
  padding-bottom: 6rem; /* ensure last paragraph isn't flush against the bottom */
}

.tiptap-writing-editor .ProseMirror p {
  margin-bottom: 1rem;
  line-height: 1.8;
  font-size: 0.9375rem; /* 15px */
  color: var(--foreground);
  text-indent: 2em; /* 段落首行缩进 */
}

.tiptap-writing-editor .ProseMirror h1 {
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  color: var(--foreground);
  line-height: 1.25;
}

.tiptap-writing-editor .ProseMirror h1:first-child {
  margin-top: 0;
}

.tiptap-writing-editor .ProseMirror h2 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-top: 1.75rem;
  margin-bottom: 0.625rem;
  color: var(--foreground);
  line-height: 1.35;
}

.tiptap-writing-editor .ProseMirror h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--foreground);
  line-height: 1.4;
}

.tiptap-writing-editor .ProseMirror h2:first-child,
.tiptap-writing-editor .ProseMirror h3:first-child {
  margin-top: 0;
}

.tiptap-writing-editor .ProseMirror strong {
  font-weight: 600;
}

.tiptap-writing-editor .ProseMirror em {
  font-style: italic;
}

.tiptap-writing-editor .ProseMirror s {
  text-decoration: line-through;
  opacity: 0.6;
}

.tiptap-writing-editor .ProseMirror ul {
  list-style-type: disc;
  margin-left: 1.5rem;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
  color: var(--foreground);
}

.tiptap-writing-editor .ProseMirror ol {
  list-style-type: decimal;
  margin-left: 1.5rem;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
  color: var(--foreground);
}

.tiptap-writing-editor .ProseMirror li {
  line-height: 1.8;
  margin-bottom: 0.25rem;
}

.tiptap-writing-editor .ProseMirror li > p {
  margin-bottom: 0.25rem;
  text-indent: 0; /* 列表项内段落不缩进 */
}

.tiptap-writing-editor .ProseMirror blockquote {
  border-left: 3px solid var(--border);
  padding-left: 1rem;
  margin: 1.25rem 0;
  font-style: italic;
  font-size: 0.9375rem;
  color: var(--muted-foreground);
}

.tiptap-writing-editor .ProseMirror pre {
  background: var(--muted);
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  margin: 1rem 0 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--border);
}

.tiptap-writing-editor .ProseMirror pre code {
  background: transparent;
  padding: 0;
  font-size: 0.8125rem; /* 13px */
  font-family: ui-monospace, 'Cascadia Code', 'Fira Code', monospace;
  color: var(--foreground);
  line-height: 1.7;
}

.tiptap-writing-editor .ProseMirror code {
  background: var(--muted);
  padding: 0.15rem 0.4rem;
  border-radius: 0.25rem;
  font-size: 0.8125rem;
  font-family: ui-monospace, 'Cascadia Code', 'Fira Code', monospace;
  color: var(--foreground);
  border: 1px solid var(--border);
}

.tiptap-writing-editor .ProseMirror hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

.tiptap-writing-editor .ProseMirror a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: opacity 0.15s;
}

.tiptap-writing-editor .ProseMirror a:hover {
  opacity: 0.75;
}

/* Placeholder */
.tiptap-writing-editor .ProseMirror p.is-editor-empty:first-child {
  text-indent: 0; /* 占位文案不缩进 */
}

.tiptap-writing-editor .ProseMirror p.is-editor-empty:first-child::before {
  content: attr(data-placeholder);
  color: var(--muted-foreground);
  pointer-events: none;
  float: left;
  height: 0;
  opacity: 0.6;
}

/* Selection highlight — use color-mix to avoid the background+opacity mismatch */
.tiptap-writing-editor .ProseMirror ::selection {
  background: color-mix(in srgb, #f87171 35%, transparent);
}

/* AI rewrite — highlight the selected range while the menu / preview is open */
.ai-rewrite-highlight {
  background: color-mix(in srgb, #fbbf24 30%, transparent);
  border-radius: 2px;
  transition: background 0.2s ease;
}
.dark .ai-rewrite-highlight {
  background: color-mix(in srgb, #fbbf24 18%, transparent);
}

:root {
  --container-width-xs: calc(var(--spacing) * 72);
  --container-width-sm: calc(var(--spacing) * 144);
  --container-width-md: calc(var(--spacing) * 204);
  --container-width-lg: calc(var(--spacing) * 256);
}