@import "tailwindcss";
@import "tw-animate-css";
@import "@fontsource-variable/geist";

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

@theme inline {
    --font-heading: var(--font-sans);
    --font-sans: 'Geist Variable', sans-serif;
    --color-sidebar-ring: var(--sidebar-ring);
    --color-sidebar-border: var(--sidebar-border);
    --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
    --color-sidebar-accent: var(--sidebar-accent);
    --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
    --color-sidebar-primary: var(--sidebar-primary);
    --color-sidebar-foreground: var(--sidebar-foreground);
    --color-sidebar: var(--sidebar);
    --color-chart-5: var(--chart-5);
    --color-chart-4: var(--chart-4);
    --color-chart-3: var(--chart-3);
    --color-chart-2: var(--chart-2);
    --color-chart-1: var(--chart-1);
    --color-ring: var(--ring);
    --color-input: var(--input);
    --color-border: var(--border);
    --color-destructive: var(--destructive);
    --color-accent-foreground: var(--accent-foreground);
    --color-accent: var(--accent);
    --color-muted-foreground: var(--muted-foreground);
    --color-muted: var(--muted);
    --color-secondary-foreground: var(--secondary-foreground);
    --color-secondary: var(--secondary);
    --color-primary-foreground: var(--primary-foreground);
    --color-primary: var(--primary);
    --color-popover-foreground: var(--popover-foreground);
    --color-popover: var(--popover);
    --color-card-foreground: var(--card-foreground);
    --color-card: var(--card);
    --color-foreground: var(--foreground);
    --color-background: var(--background);
    --radius-sm: calc(var(--radius) * 0.6);
    --radius-md: calc(var(--radius) * 0.8);
    --radius-lg: var(--radius);
    --radius-xl: calc(var(--radius) * 1.4);
    --radius-2xl: calc(var(--radius) * 1.8);
    --radius-3xl: calc(var(--radius) * 2.2);
    --radius-4xl: calc(var(--radius) * 2.6);

    /* ── Discord layout tokens ─────────────────────────────────────────────── */
    --color-discord-bg: var(--room-bg);
    --color-discord-sidebar: var(--room-sidebar);
    --color-discord-channel-hover: var(--room-channel-hover);
    --color-discord-channel-active: var(--room-channel-active);
    --color-discord-mention-badge: var(--room-mention-badge);
    --color-discord-blurple: var(--room-accent);
    --color-discord-blurple-hover: var(--room-accent-hover);
    --color-discord-green: var(--room-online);
    --color-discord-red: oklch(0.63 0.21 25);
    --color-discord-yellow: oklch(0.75 0.17 80);
    --color-discord-online: var(--room-online);
    --color-discord-offline: var(--room-offline);
    --color-discord-idle: var(--room-away);
    --color-discord-mention-text: var(--room-mention-text);
    --color-discord-text: var(--room-text);
    --color-discord-text-secondary: var(--room-text-secondary);
    --color-discord-text-muted: var(--room-text-muted);
    --color-discord-text-subtle: var(--room-text-subtle);
    --color-discord-border: var(--room-border);
    --color-discord-hover: var(--room-hover);
    --color-discord-placeholder: var(--room-text-muted);
}

:root {
    --background: oklch(1 0 0);
    --foreground: oklch(0.145 0 0);
    --card: oklch(1 0 0);
    --card-foreground: oklch(0.145 0 0);
    --popover: oklch(1 0 0);
    --popover-foreground: oklch(0.145 0 0);
    --primary: oklch(0.488 0.243 264.376);
    --primary-foreground: oklch(0.985 0 0);
    --secondary: oklch(0.97 0 0);
    --secondary-foreground: oklch(0.205 0 0);
    --muted: oklch(0.97 0 0);
    --muted-foreground: oklch(0.556 0 0);
    --accent: oklch(0.97 0 0);
    --accent-foreground: oklch(0.205 0 0);
    --destructive: oklch(0.577 0.245 27.325);
    --border: oklch(0.922 0 0);
    --input: oklch(0.922 0 0);
    --ring: oklch(0.488 0.243 264.376);
    --chart-1: oklch(0.87 0 0);
    --chart-2: oklch(0.556 0 0);
    --chart-3: oklch(0.439 0 0);
    --chart-4: oklch(0.371 0 0);
    --chart-5: oklch(0.269 0 0);
    --radius: 0.5rem;
    --sidebar: oklch(0.985 0 0);
    --sidebar-foreground: oklch(0.145 0 0);
    --sidebar-primary: oklch(0.488 0.243 264.376);
    --sidebar-primary-foreground: oklch(0.985 0 0);
    --sidebar-accent: oklch(0.97 0 0);
    --sidebar-accent-foreground: oklch(0.205 0 0);
    --sidebar-border: oklch(0.922 0 0);
    --sidebar-ring: oklch(0.488 0.243 264.376);

    /* AI Studio room palette — light */
    --room-bg: oklch(0.995 0 0);
    --room-sidebar: oklch(0.99 0 0);
    --room-channel-hover: oklch(0.97 0 0);
    --room-channel-active: oklch(0.55 0.18 253 / 8%);
    --room-mention-badge: oklch(0.55 0.18 253);
    --room-accent: oklch(0.55 0.18 253);
    --room-accent-hover: oklch(0.52 0.19 253);
    --room-online: oklch(0.63 0.19 158);
    --room-offline: oklch(0.62 0 0 / 35%);
    --room-away: oklch(0.75 0.17 80);
    --room-text: oklch(0.145 0 0);
    --room-text-secondary: oklch(0.25 0 0);
    --room-text-muted: oklch(0.50 0 0);
    --room-text-subtle: oklch(0.68 0 0);
    --room-border: oklch(0.91 0 0);
    --room-hover: oklch(0.97 0 0);
}

.dark {
    --background: oklch(0.145 0 0);
    --foreground: oklch(0.985 0 0);
    --card: oklch(0.18 0 0);
    --card-foreground: oklch(0.985 0 0);
    --popover: oklch(0.18 0 0);
    --popover-foreground: oklch(0.985 0 0);
    --primary: oklch(0.488 0.243 264.376);
    --primary-foreground: oklch(0.985 0 0);
    --secondary: oklch(0.269 0 0);
    --secondary-foreground: oklch(0.985 0 0);
    --muted: oklch(0.22 0 0);
    --muted-foreground: oklch(0.65 0 0);
    --accent: oklch(0.269 0 0);
    --accent-foreground: oklch(0.985 0 0);
    --destructive: oklch(0.704 0.191 22.216);
    --border: oklch(1 0 0 / 8%);
    --input: oklch(1 0 0 / 10%);
    --ring: oklch(0.488 0.243 264.376);
    --chart-1: oklch(0.87 0 0);
    --chart-2: oklch(0.556 0 0);
    --chart-3: oklch(0.439 0 0);
    --chart-4: oklch(0.371 0 0);
    --chart-5: oklch(0.269 0 0);
    --sidebar: oklch(0.13 0 0);
    --sidebar-foreground: oklch(0.985 0 0);
    --sidebar-primary: oklch(0.488 0.243 264.376);
    --sidebar-primary-foreground: oklch(0.985 0 0);
    --sidebar-accent: oklch(0.22 0 0);
    --sidebar-accent-foreground: oklch(0.985 0 0);
    --sidebar-border: oklch(1 0 0 / 8%);
    --sidebar-ring: oklch(0.488 0.243 264.376);

    /* Discord dark theme */
    --discord-bg: oklch(0.145 0 0);
    --discord-sidebar: oklch(0.13 0 0);
    --discord-channel-hover: oklch(0.2 0 0);
    /* AI Studio room palette — dark */
    --room-bg: oklch(0.11 0 0);
    --room-sidebar: oklch(0.10 0 0);
    --room-channel-hover: oklch(0.16 0 0);
    --room-channel-active: oklch(0.58 0.18 253 / 12%);
    --room-mention-badge: oklch(0.58 0.18 253);
    --room-accent: oklch(0.58 0.18 253);
    --room-accent-hover: oklch(0.65 0.20 253);
    --room-online: oklch(0.65 0.17 158);
    --room-offline: oklch(0.50 0 0 / 35%);
    --room-away: oklch(0.72 0.16 80);
    --room-text: oklch(0.985 0 0);
    --room-text-secondary: oklch(0.985 0 0 / 80%);
    --room-text-muted: oklch(0.985 0 0 / 58%);
    --room-text-subtle: oklch(0.985 0 0 / 40%);
    --room-border: oklch(0 0 0 / 18%);
    --room-hover: oklch(0.16 0 0);
}

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

/* Placeholder support for contenteditable MentionInput */
[contenteditable][data-placeholder]:empty::before {
  content: attr(data-placeholder);
  color: var(--muted-foreground);
  pointer-events: none;
}

/* ── Discord layout ──────────────────────────────────────────────────────── */
.discord-layout {
  display: flex;
  height: 100%;
  width: 100%;
  overflow: hidden;
  background: var(--room-bg);
  color: var(--foreground);
}

/* Server sidebar (left icon strip) */
.discord-server-sidebar {
  display: flex;
  flex-direction: column;
  width: 72px;
  background: var(--room-sidebar);
  padding: 12px 0;
  gap: 6px;
  align-items: center;
  border-right: 1px solid var(--room-border);
  flex-shrink: 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.discord-server-icon {
  position: relative;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: var(--room-channel-hover);
  color: var(--foreground);
  transition: border-radius 200ms ease, background 200ms ease;
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0;
  user-select: none;
}

.discord-server-icon:hover {
  border-radius: 16px;
  background: var(--room-accent);
  color: var(--primary-foreground);
}

.discord-server-icon.active {
  border-radius: 16px;
  background: var(--room-accent);
  color: var(--primary-foreground);
}

.discord-server-icon .home-icon {
  width: 28px;
  height: 28px;
}

/* Channel sidebar */
.discord-channel-sidebar {
  display: flex;
  flex-direction: column;
  width: 260px;
  background: var(--room-sidebar);
  border-right: 1px solid var(--room-border);
  flex-shrink: 0;
  overflow: hidden;
}

.discord-channel-header {
  display: flex;
  align-items: center;
  height: 48px;
  padding: 0 16px;
  border-bottom: 1px solid var(--room-border);
  box-shadow: 0 1px 0 var(--room-border);
  flex-shrink: 0;
}

.discord-channel-header-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--foreground);
  flex: 1;
}

.discord-channel-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 8px 8px 0;
}

.discord-channel-list::-webkit-scrollbar {
  width: 4px;
}
.discord-channel-list::-webkit-scrollbar-track {
  background: transparent;
}
.discord-channel-list::-webkit-scrollbar-thumb {
  background: var(--room-border);
  border-radius: 4px;
}

.discord-channel-category {
  margin-bottom: 4px;
}

.discord-channel-category-header {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  cursor: pointer;
  user-select: none;
  border-radius: 4px;
  margin-bottom: 2px;
  color: var(--room-text-muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  transition: color 150ms;
}

.discord-channel-category-header:hover {
  color: var(--foreground);
}

.discord-channel-category-header svg {
  transition: transform 150ms;
}

.discord-channel-category-header.collapsed svg {
  transform: rotate(-90deg);
}

.discord-channel-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--room-text-muted);
  font-size: 15px;
  font-weight: 400;
  transition: background 100ms, color 100ms;
  user-select: none;
  position: relative;
}

.discord-channel-item:hover {
  background: var(--room-hover);
  color: var(--room-text);
}

.discord-channel-item.active {
  background: var(--room-channel-active);
  color: var(--foreground);
}

.discord-channel-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 70%;
  background: var(--room-accent);
  border-radius: 0 2px 2px 0;
}

.discord-channel-hash {
  opacity: 0.7;
  width: 12px !important;
  height: 12px !important;
  flex-shrink: 0;
}

.discord-channel-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: left;
}

.discord-mention-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: var(--room-mention-badge);
  color: var(--primary-foreground);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
}

.discord-add-channel-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--room-text-subtle);
  font-size: 14px;
  transition: color 150ms;
  margin-left: 16px;
  background: none;
  border: none;
  text-align: left;
  width: 100%;
}

.discord-add-channel-btn:hover {
  color: var(--room-text);
}

/* Member list sidebar */
.discord-member-sidebar {
  display: flex;
  flex-direction: column;
  width: 220px;
  background: var(--room-sidebar);
  border-left: 1px solid var(--room-border);
  flex-shrink: 0;
  overflow: hidden;
}

.discord-member-header {
  display: flex;
  align-items: center;
  height: 48px;
  padding: 0 16px;
  border-bottom: 1px solid var(--room-border);
  flex-shrink: 0;
}

.discord-member-section-title {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 16px 12px 4px;
  color: var(--room-text-subtle);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.discord-member-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--room-text-secondary);
  font-size: 14px;
  transition: background 100ms;
  user-select: none;
}

.discord-member-item:hover {
  background: var(--room-hover);
}

.discord-member-avatar-wrap {
  position: relative;
  flex-shrink: 0;
}

.discord-member-status-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--room-sidebar);
}

.discord-member-status-dot.online {
  background: var(--room-online);
}
.discord-member-status-dot.offline {
  background: var(--room-offline);
}
.discord-member-status-dot.idle {
  background: var(--room-away);
}

/* ── Discord message bubbles ─────────────────────────────────────────────── */
.discord-message-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 16px 8px;
}

.discord-message-list::-webkit-scrollbar {
  width: 8px;
}
.discord-message-list::-webkit-scrollbar-track {
  background: transparent;
}
.discord-message-list::-webkit-scrollbar-thumb {
  background: var(--room-border);
  border-radius: 4px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.discord-message-group {
  display: flex;
  flex-direction: column;
}

.discord-message-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 1px 0;
  min-height: 26px;
  border-radius: 4px;
  position: relative;
}

.discord-message-row:hover .discord-message-actions {
  opacity: 1;
}

.discord-message-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
  margin-top: -2px;
}

.discord-message-body {
  flex: 1;
  min-width: 0;
}

.discord-message-avatar-spacer {
  width: 40px;
  flex-shrink: 0;
}

.discord-message-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 2px;
}

.discord-message-author {
  font-size: 15px;
  font-weight: 600;
  color: var(--foreground);
  line-height: 1.2;
  cursor: pointer;
}

.discord-message-author:hover {
  text-decoration: underline;
}

.discord-message-time {
  font-size: 11px;
  color: var(--room-text-subtle);
  line-height: 1.2;
}

.discord-message-content {
  font-size: 15px;
  line-height: 1.4;
  color: var(--room-text);
  word-break: break-word;
  white-space: pre-wrap;
}

.discord-message-content .mention {
  background: oklch(0.488 0.243 264.376 / 25%);
  color: var(--room-mention-text);
  padding: 0 4px;
  border-radius: 3px;
  font-weight: 500;
}

.discord-message-actions {
  position: absolute;
  top: -14px;
  right: 16px;
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px;
  opacity: 0;
  transition: opacity 150ms;
  box-shadow: 0 1px 4px var(--room-border);
}

.discord-msg-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--room-text-muted);
  transition: background 100ms, color 100ms;
  background: none;
  border: none;
}

.discord-msg-action-btn:hover {
  background: var(--room-hover);
  color: var(--room-text);
}

.discord-date-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 16px 0 8px;
  padding: 0 60px;
}

.discord-date-divider::before,
.discord-date-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--room-border);
}

.discord-date-divider-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--room-text-subtle);
  white-space: nowrap;
}

/* Typing indicator */
.discord-typing-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px 4px;
  font-size: 12px;
  color: var(--room-text-subtle);
}

.discord-typing-dots {
  display: flex;
  gap: 3px;
}

.discord-typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--room-text-subtle);
  animation: typing-bounce 1.2s infinite ease-in-out;
}

.discord-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.discord-typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-4px); }
}

/* Status pill in header */
.discord-ws-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--room-text-muted);
}

.discord-ws-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.discord-ws-dot.connected { background: var(--room-online); }
.discord-ws-dot.connecting {
  background: var(--room-away);
  animation: pulse 1.5s infinite;
}
.discord-ws-dot.disconnected { background: oklch(0.63 0.21 25); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Chat input area */
.discord-chat-input-area {
  display: flex;
  flex-direction: column;
  padding: 0 16px 24px;
  margin-top: 4px;
}

.discord-input-wrapper {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  background: var(--room-hover);
  border: 1px solid var(--room-border);
  border-radius: 8px;
  padding: 4px 4px 4px 16px;
  transition: background 150ms, border-color 150ms;
}

.discord-input-wrapper:focus-within {
  background: var(--room-sidebar);
  border-color: var(--room-accent);
}

.discord-input-field {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--room-text);
  font-size: 14px;
  line-height: 1.4;
  padding: 8px 0;
  resize: none;
  max-height: 200px;
  overflow-y: auto;
  font-family: inherit;
}

.discord-input-field::placeholder {
  color: var(--room-text-muted);
}

.discord-input-field::-webkit-scrollbar { width: 0; }

.discord-send-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: var(--room-accent);
  color: var(--primary-foreground);
  cursor: pointer;
  border: none;
  transition: background 150ms;
  flex-shrink: 0;
}

.discord-send-btn:hover { background: var(--room-accent-hover); }
.discord-send-btn:disabled { opacity: 0.5; cursor: default; }

/* Reply preview in input */
.discord-reply-preview {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  padding: 6px 8px;
  border-radius: 4px;
  background: var(--room-hover);
  border-left: 2px solid var(--room-accent);
  font-size: 13px;
  color: var(--room-text-muted);
}

.discord-reply-preview-author {
  font-weight: 600;
  color: var(--room-text-secondary);
}

.discord-reply-preview-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Streaming message cursor */
.discord-streaming-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--room-accent);
  margin-left: 1px;
  vertical-align: text-bottom;
  animation: cursor-blink 0.8s step-end infinite;
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Role color dot */
.discord-role-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}