/* ═══════════════════════════════════════════════════
   SingoBlox – Design System
   Tokens → Reset → Layout → Components → Responsive
═══════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ── */
:root {
  --red:      #E31B23;
  --red-dark: #b8151c;
  --red-dim:  rgba(227,27,35,.12);
  --red-glow: rgba(227,27,35,.22);

  --s0: #09090b; --s1: #111113; --s2: #18181b;
  --s3: #222228; --s4: #2c2c35; --s5: #383844;

  --b1: rgba(255,255,255,.06);
  --b2: rgba(255,255,255,.10);
  --b3: rgba(255,255,255,.15);

  --t1: #f4f4f6; --t2: #a1a1b0; --t3: #636375; --t4: #44445a;

  --green:  #22c55e; --blue: #3b82f6; --yellow: #f59e0b;
  --purple: #a855f7; --cyan: #06b6d4; --orange: #f97316;

  --r-sm: 6px; --r: 10px; --r-lg: 14px; --r-xl: 20px;
  --shadow:    0 4px 20px rgba(0,0,0,.5);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.65);
  --t-fast: 100ms ease; --t-base: 160ms ease; --t-slow: 260ms ease;
  --sidebar-w: 210px; --header-h: 52px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; font-size: 14px; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--s0);
  color: var(--t1);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--red); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--s5); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--b3); }
::selection { background: var(--red-dim); color: var(--t1); }
.hidden { display: none !important; }

/* ═══════════════════════════════════════════════════
   ONBOARDING
═══════════════════════════════════════════════════ */
.onboarding-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.85);
  backdrop-filter: blur(14px); display: flex; align-items: center;
  justify-content: center; z-index: 9000; padding: 16px;
}
.onboarding-card {
  background: var(--s2); border: 1px solid var(--b2);
  border-radius: var(--r-xl); padding: 32px; width: 100%;
  max-width: 440px; display: flex; flex-direction: column; gap: 20px;
  box-shadow: var(--shadow-lg); animation: slideUp .3s cubic-bezier(.16,1,.3,1);
}
@keyframes slideUp { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:translateY(0); } }

.ob-logo { display: flex; align-items: center; gap: 12px; }
.ob-title { font-size: 1.3rem; font-weight: 800; letter-spacing: -.5px; }
.ob-subtitle { font-size: .75rem; color: var(--t3); font-weight: 500; margin-top: 2px; }
.ob-desc { font-size: .84rem; color: var(--t2); line-height: 1.6; border-left: 2px solid var(--red); padding-left: 12px; }
.ob-step { display: flex; gap: 12px; align-items: flex-start; }
.ob-step-num {
  width: 24px; height: 24px; min-width: 24px; background: var(--red); color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: .72rem; font-weight: 700; margin-top: 3px;
}
.ob-step-content { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.ob-label { font-size: .78rem; font-weight: 600; color: var(--t2); text-transform: uppercase; letter-spacing: .4px; }
.ob-input, .ob-select {
  width: 100%; background: var(--s3); border: 1px solid var(--b2); border-radius: var(--r);
  color: var(--t1); font-size: .875rem; padding: 9px 12px; outline: none;
  transition: border-color var(--t-base);
}
.ob-input:focus, .ob-select:focus { border-color: var(--red); }
.ob-select { appearance: none; cursor: pointer; }
.ob-step-content small { font-size: .73rem; color: var(--t3); }
.ob-step-content small a { color: var(--red); }
.ob-start-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--red); border: none; border-radius: var(--r); color: #fff;
  font-size: .95rem; font-weight: 700; padding: 13px 24px;
  transition: background var(--t-fast), transform var(--t-fast); margin-top: 4px;
}
.ob-start-btn:hover { background: var(--red-dark); transform: translateY(-1px); }
.ob-start-btn:active { transform: translateY(0); }

/* ═══════════════════════════════════════════════════
   HEADER
═══════════════════════════════════════════════════ */
.header {
  height: var(--header-h); background: var(--s1);
  border-bottom: 1px solid var(--b1); flex-shrink: 0; z-index: 200;
}
.header-inner {
  display: flex; align-items: center; height: 100%;
  padding: 0 16px; gap: 8px;
}
.logo { display: flex; align-items: center; gap: 9px; flex-shrink: 0; user-select: none; }
.logo-wordmark { font-size: .95rem; font-weight: 800; letter-spacing: -.4px; color: var(--t1); }
.logo-wordmark span { color: var(--red); }

.nav { display: flex; align-items: center; gap: 2px; flex: 1; justify-content: center; }
.nav-btn {
  display: flex; align-items: center; gap: 6px; background: transparent;
  border: none; color: var(--t3); font-size: .8rem; font-weight: 500;
  padding: 6px 12px; border-radius: var(--r-sm); transition: all var(--t-base);
}
.nav-btn:hover { background: var(--s3); color: var(--t1); }
.nav-btn.active { background: var(--s3); color: var(--t1); font-weight: 600; }
.nav-btn.active svg { stroke: var(--red); }

.header-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.ai-badge {
  display: flex; align-items: center; gap: 7px; background: var(--s3);
  border: 1px solid var(--b1); border-radius: 100px; padding: 4px 11px 4px 8px;
  font-size: .73rem; font-weight: 600; color: var(--t2); cursor: default; white-space: nowrap;
}
.ai-badge-dot {
  width: 7px; height: 7px; background: var(--green); border-radius: 50%;
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.35; } }

.model-chip select {
  background: var(--s3); border: 1px solid var(--b1); border-radius: var(--r-sm);
  color: var(--t2); font-size: .73rem; padding: 5px 8px; outline: none;
  cursor: pointer; transition: border-color var(--t-base); max-width: 128px;
}
.model-chip select:hover { border-color: var(--b2); }

.icon-btn {
  display: flex; align-items: center; justify-content: center; background: var(--s3);
  border: 1px solid var(--b1); border-radius: var(--r-sm); color: var(--t2);
  width: 32px; height: 32px; transition: all var(--t-base);
}
.icon-btn:hover { background: var(--s4); border-color: var(--b2); color: var(--t1); }
.icon-btn.dim { background: transparent; border-color: transparent; }
.icon-btn.dim:hover { background: var(--s4); border-color: var(--b1); }

/* ═══════════════════════════════════════════════════
   MAIN LAYOUT
═══════════════════════════════════════════════════ */
.main { flex: 1; overflow: hidden; display: flex; }
.tab { display: none; flex: 1; overflow: hidden; }
.tab.active { display: flex; }

/* ═══════════════════════════════════════════════════
   CHAT
═══════════════════════════════════════════════════ */
.chat-layout { display: flex; flex: 1; overflow: hidden; }

.sidebar {
  width: var(--sidebar-w); min-width: var(--sidebar-w); background: var(--s1);
  border-right: 1px solid var(--b1); display: flex; flex-direction: column; overflow: hidden;
}
.sidebar-top { padding: 12px; border-bottom: 1px solid var(--b1); flex-shrink: 0; }
.new-chat-btn {
  display: flex; align-items: center; gap: 8px; width: 100%; background: var(--red);
  border: none; border-radius: var(--r); color: #fff; font-size: .8rem; font-weight: 600;
  padding: 8px 14px; transition: background var(--t-fast);
}
.new-chat-btn:hover { background: var(--red-dark); }
.sidebar-section { padding: 12px; display: flex; flex-direction: column; gap: 6px; overflow: hidden; }
.sidebar-history { flex: 1; overflow-y: auto; }
.sidebar-label {
  font-size: .63rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .6px; color: var(--t4); padding: 0 2px;
}
.prompts-list { display: flex; flex-direction: column; gap: 2px; overflow-y: auto; max-height: 260px; }
.prompt-btn {
  background: transparent; border: none; color: var(--t3); font-size: .78rem;
  padding: 6px 8px; border-radius: var(--r-sm); text-align: left;
  transition: all var(--t-base); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.prompt-btn:hover { background: var(--s3); color: var(--t1); }
.history-list { display: flex; flex-direction: column; gap: 2px; }
.history-item {
  background: transparent; border: none; color: var(--t3); font-size: .78rem;
  padding: 6px 8px; border-radius: var(--r-sm); text-align: left;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: all var(--t-base);
}
.history-item:hover { background: var(--s3); color: var(--t2); }
.history-item.active { background: var(--s4); color: var(--t1); }

.chat-area { flex: 1; display: flex; flex-direction: column; overflow: hidden; background: var(--s0); min-width: 0; }

.messages { flex: 1; overflow-y: auto; padding: 24px 32px; display: flex; flex-direction: column; gap: 16px; }

/* Welcome */
.welcome {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 20px; padding: 40px 24px; flex: 1; min-height: 300px;
}
.welcome-logo svg { filter: drop-shadow(0 0 28px rgba(227,27,35,.45)); }
.welcome h1 {
  font-size: 1.7rem; font-weight: 800; letter-spacing: -.5px;
  background: linear-gradient(135deg, var(--t1) 30%, var(--red));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.welcome p { font-size: .9rem; color: var(--t2); max-width: 440px; line-height: 1.65; }
.welcome-caps { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.welcome-cap {
  display: flex; align-items: center; gap: 8px; background: var(--s2);
  border: 1px solid var(--b1); border-radius: var(--r); padding: 10px 16px;
  font-size: .8rem; color: var(--t2); transition: border-color var(--t-base); cursor: default;
}
.welcome-cap:hover { border-color: var(--red); color: var(--t1); }

/* Message bubbles */
.msg-wrap { display: flex; gap: 12px; max-width: 820px; animation: msgIn .18s ease; }
@keyframes msgIn { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:translateY(0); } }
.msg-wrap.user { flex-direction: row-reverse; align-self: flex-end; }
.msg-wrap.assistant { align-self: flex-start; }
.msg-avatar {
  width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; font-size: .78rem; flex-shrink: 0; margin-top: 3px; font-weight: 700;
}
.msg-wrap.user .msg-avatar { background: var(--red); color: #fff; font-size: .68rem; }
.msg-wrap.assistant .msg-avatar { background: var(--s3); border: 1px solid var(--b2); }
.msg-inner { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.msg-name { font-size: .67rem; font-weight: 600; color: var(--t3); padding: 0 2px; }
.msg-wrap.user .msg-name { text-align: right; }
.msg-bubble {
  background: var(--s2); border: 1px solid var(--b1);
  border-radius: var(--r-sm) var(--r-lg) var(--r-lg) var(--r-lg);
  padding: 10px 14px; font-size: .855rem; line-height: 1.65; color: var(--t1);
  max-width: 100%; word-break: break-word;
}
.msg-wrap.user .msg-bubble {
  background: var(--red); border-color: var(--red-dark); color: #fff;
  border-radius: var(--r-lg) var(--r-sm) var(--r-lg) var(--r-lg);
}
.msg-bubble p { margin-bottom: 8px; }
.msg-bubble p:last-child { margin-bottom: 0; }
.msg-bubble h1,.msg-bubble h2,.msg-bubble h3 { font-weight: 700; margin: 12px 0 6px; }
.msg-bubble h1 { font-size: 1rem; } .msg-bubble h2 { font-size: .95rem; } .msg-bubble h3 { font-size: .9rem; }
.msg-bubble ul,.msg-bubble ol { padding-left: 18px; margin: 6px 0; }
.msg-bubble li { margin-bottom: 3px; }
.msg-bubble strong { font-weight: 700; }
.msg-bubble code:not(pre code) {
  font-family: 'JetBrains Mono', monospace; font-size: .78rem;
  background: var(--s4); border: 1px solid var(--b2); border-radius: 4px;
  padding: 1px 5px; color: #e2a36e;
}
.msg-wrap.user .msg-bubble code:not(pre code) {
  background: rgba(0,0,0,.2); border-color: rgba(255,255,255,.15); color: #ffd4a0;
}
.msg-bubble pre {
  position: relative; background: var(--s1); border: 1px solid var(--b2);
  border-radius: var(--r); padding: 14px 16px; overflow-x: auto; margin: 10px 0; font-size: .78rem;
}
.msg-bubble pre code { font-family: 'JetBrains Mono', monospace; color: #e2e8f0; line-height: 1.6; }
.copy-btn {
  position: absolute; top: 8px; right: 8px; background: var(--s4); border: 1px solid var(--b2);
  border-radius: 5px; color: var(--t3); font-size: .7rem; padding: 3px 8px;
  transition: all var(--t-base); font-family: inherit;
}
.copy-btn:hover { background: var(--s5); color: var(--t1); }
.copy-btn.copied { color: var(--green); border-color: rgba(34,197,94,.3); }
.msg-time { font-size: .65rem; color: var(--t4); padding: 0 2px; align-self: flex-end; }
.msg-wrap.user .msg-time { align-self: flex-start; }

/* Typing */
.typing-wrap { display: flex; gap: 12px; align-items: flex-end; }
.typing-bubble {
  background: var(--s2); border: 1px solid var(--b1);
  border-radius: var(--r-sm) var(--r-lg) var(--r-lg) var(--r-lg);
  padding: 12px 16px; display: flex; gap: 5px; align-items: center;
}
.t-dot { width: 7px; height: 7px; background: var(--t4); border-radius: 50%; animation: tdot 1.2s ease-in-out infinite; }
.t-dot:nth-child(2) { animation-delay: .15s; } .t-dot:nth-child(3) { animation-delay: .3s; }
@keyframes tdot { 0%,60%,100% { transform:translateY(0); } 30% { transform:translateY(-5px); } }

/* Input */
.input-zone { flex-shrink: 0; padding: 12px 32px 16px; background: var(--s0); border-top: 1px solid var(--b1); }
.input-box {
  display: flex; align-items: flex-end; gap: 8px; background: var(--s2);
  border: 1px solid var(--b2); border-radius: var(--r-lg);
  padding: 8px 8px 8px 12px; transition: border-color var(--t-base), box-shadow var(--t-base);
}
.input-box:focus-within { border-color: rgba(227,27,35,.5); box-shadow: 0 0 0 3px var(--red-dim); }
.input-prefix { display: flex; align-items: flex-end; padding-bottom: 5px; }
.mode-pill {
  display: flex; align-items: center; gap: 5px; background: var(--s4); border: 1px solid var(--b2);
  border-radius: 100px; padding: 4px 10px; font-size: .72rem; font-weight: 600;
  color: var(--t2); transition: all var(--t-base); white-space: nowrap;
}
.mode-pill:hover { background: var(--s5); color: var(--t1); }
.mode-pill.active { border-color: rgba(227,27,35,.4); color: var(--red); }
.chat-textarea {
  flex: 1; background: transparent; border: none; color: var(--t1); font-size: .875rem;
  resize: none; outline: none; max-height: 200px; min-height: 22px;
  line-height: 1.55; padding: 5px 0; scrollbar-width: none;
}
.chat-textarea::-webkit-scrollbar { display: none; }
.chat-textarea::placeholder { color: var(--t4); }
.input-actions { display: flex; align-items: center; gap: 4px; padding-bottom: 2px; }
.send-btn {
  display: flex; align-items: center; justify-content: center; background: var(--red);
  border: none; border-radius: var(--r); color: #fff; width: 34px; height: 34px;
  flex-shrink: 0; transition: background var(--t-fast), transform var(--t-fast);
}
.send-btn:hover { background: var(--red-dark); transform: scale(1.05); }
.send-btn:active { transform: scale(.97); }
.send-btn:disabled { background: var(--s4); color: var(--t4); cursor: not-allowed; transform: none; }
.input-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 6px; padding: 0 4px; }
.char-count { font-size: .7rem; color: var(--t4); }
.search-tag {
  font-size: .7rem; color: var(--blue); background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.2); border-radius: 100px; padding: 2px 8px;
  display: flex; align-items: center; gap: 5px;
}
.search-tag.done { color: var(--green); background: rgba(34,197,94,.1); border-color: rgba(34,197,94,.2); }

/* Mode dropdown */
.mode-dropdown {
  position: fixed; background: var(--s2); border: 1px solid var(--b2);
  border-radius: var(--r-lg); padding: 8px; min-width: 200px; z-index: 500;
  box-shadow: var(--shadow-lg); display: flex; flex-direction: column; gap: 2px;
  animation: dropIn .15s ease;
}
@keyframes dropIn { from { opacity:0; transform:translateY(-6px); } to { opacity:1; transform:translateY(0); } }
.mode-option {
  display: flex; align-items: center; gap: 8px; background: transparent; border: none;
  border-radius: var(--r-sm); color: var(--t2); font-size: .82rem; font-weight: 500;
  padding: 8px 12px; transition: all var(--t-base); text-align: left;
}
.mode-option span { color: var(--t3); font-size: .78rem; }
.mode-option:hover { background: var(--s4); color: var(--t1); }
.mode-option.active { background: var(--red-dim); color: var(--red); font-weight: 600; }
.mode-option.active span { color: var(--red); opacity: .7; }

/* ═══════════════════════════════════════════════════
   TOOLS
═══════════════════════════════════════════════════ */
#tab-tools { overflow-y: auto; }
.tools-page { flex: 1; padding: 32px; max-width: 1000px; width: 100%; margin: 0 auto; }
.page-header { margin-bottom: 32px; }
.page-header h2 { font-size: 1.4rem; font-weight: 800; letter-spacing: -.4px; margin-bottom: 6px; }
.page-header p { font-size: .875rem; color: var(--t2); }
.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.tool-card {
  display: flex; align-items: center; gap: 16px; background: var(--s1);
  border: 1px solid var(--b1); border-radius: var(--r-lg); padding: 18px;
  text-align: left; transition: border-color var(--t-base), transform var(--t-base), box-shadow var(--t-base); cursor: pointer;
}
.tool-card:hover { border-color: var(--b3); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,.3); }
.tc-icon { width: 44px; height: 44px; min-width: 44px; border-radius: var(--r); display: flex; align-items: center; justify-content: center; }
.tc-body { flex: 1; min-width: 0; }
.tc-body h3 { font-size: .875rem; font-weight: 700; margin-bottom: 4px; }
.tc-body p { font-size: .78rem; color: var(--t2); line-height: 1.5; }
.tc-arrow { color: var(--t4); font-size: 1.1rem; flex-shrink: 0; transition: color var(--t-base), transform var(--t-base); }
.tool-card:hover .tc-arrow { color: var(--t2); transform: translateX(3px); }

/* ═══════════════════════════════════════════════════
   DOCS
═══════════════════════════════════════════════════ */
#tab-docs { overflow-y: auto; }
.docs-page { flex: 1; padding: 32px; max-width: 900px; width: 100%; margin: 0 auto; display: flex; flex-direction: column; gap: 24px; }
.docs-search-row { display: flex; gap: 10px; align-items: center; }
.docs-search-wrap { flex: 1; position: relative; }
.docs-search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--t3); pointer-events: none; }
.docs-search-input {
  width: 100%; background: var(--s2); border: 1px solid var(--b2); border-radius: var(--r);
  color: var(--t1); font-size: .875rem; padding: 9px 12px 9px 38px; outline: none;
  transition: border-color var(--t-base);
}
.docs-search-input:focus { border-color: rgba(227,27,35,.4); }
.docs-search-input::placeholder { color: var(--t4); }
.docs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(256px, 1fr)); gap: 14px; }
.docs-category { background: var(--s1); border: 1px solid var(--b1); border-radius: var(--r-lg); padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.docs-category h4 { font-size: .73rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--t3); }
.docs-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.doc-chip {
  background: var(--s3); border: 1px solid var(--b1); border-radius: 100px;
  color: var(--t2); font-size: .73rem; font-family: 'JetBrains Mono', monospace;
  padding: 4px 10px; text-decoration: none; transition: all var(--t-base); white-space: nowrap;
}
.doc-chip:hover { background: var(--s4); border-color: var(--red); color: var(--red); text-decoration: none; }
.doc-chip--special { color: var(--blue); border-color: rgba(59,130,246,.2); background: rgba(59,130,246,.06); font-family: inherit; font-weight: 500; }
.doc-chip--special:hover { color: var(--blue); border-color: var(--blue); background: rgba(59,130,246,.12); text-decoration: none; }
.docs-results-area { display: flex; flex-direction: column; gap: 12px; }

/* ═══════════════════════════════════════════════════
   PLUGIN
═══════════════════════════════════════════════════ */
#tab-plugin { overflow-y: auto; }
.plugin-page { flex: 1; padding: 32px; max-width: 760px; width: 100%; margin: 0 auto; display: flex; flex-direction: column; gap: 24px; }
.plugin-hero { display: flex; align-items: center; gap: 20px; padding: 24px; background: var(--s1); border: 1px solid var(--b1); border-radius: var(--r-lg); }
.plugin-hero-icon { flex-shrink: 0; }
.plugin-hero h2 { font-size: 1.2rem; font-weight: 800; margin-bottom: 6px; }
.plugin-hero p { font-size: .84rem; color: var(--t2); }
.plugin-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.plugin-col { background: var(--s1); border: 1px solid var(--b1); border-radius: var(--r-lg); padding: 20px; }
.plugin-col h4 { font-size: .73rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--t3); margin-bottom: 12px; }
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.feature-list li { display: flex; align-items: center; gap: 8px; font-size: .82rem; color: var(--t2); }
.fl-check { color: var(--green); font-size: .75rem; width: 14px; flex-shrink: 0; }
.install-list { list-style: decimal; padding-left: 18px; display: flex; flex-direction: column; gap: 7px; font-size: .82rem; color: var(--t2); line-height: 1.55; }
.install-list code { font-family: 'JetBrains Mono', monospace; font-size: .74rem; color: var(--red); background: var(--red-dim); padding: 1px 5px; border-radius: 4px; }
.install-tip { margin-top: 12px; background: rgba(59,130,246,.08); border: 1px solid rgba(59,130,246,.2); border-radius: var(--r); padding: 10px 12px; font-size: .78rem; color: var(--t2); line-height: 1.55; }
.install-tip code { font-family: 'JetBrains Mono', monospace; font-size: .72rem; color: var(--blue); }
.plugin-api-block { background: var(--s1); border: 1px solid var(--b1); border-radius: var(--r-lg); padding: 20px; }
.plugin-api-block h4 { font-size: .73rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--t3); margin-bottom: 8px; }
.plugin-api-block p { font-size: .85rem; color: var(--t2); }

/* ═══════════════════════════════════════════════════
   SHARED BUTTONS
═══════════════════════════════════════════════════ */
.primary-btn {
  display: inline-flex; align-items: center; gap: 6px; background: var(--red);
  border: none; border-radius: var(--r); color: #fff; font-size: .82rem; font-weight: 600;
  padding: 8px 16px; cursor: pointer; transition: background var(--t-fast), transform var(--t-fast);
  white-space: nowrap; font-family: inherit;
}
.primary-btn:hover { background: var(--red-dark); transform: translateY(-1px); text-decoration: none; }
.primary-btn:active { transform: translateY(0); }
.secondary-btn {
  display: inline-flex; align-items: center; gap: 6px; background: var(--s3);
  border: 1px solid var(--b2); border-radius: var(--r); color: var(--t2); font-size: .82rem;
  font-weight: 500; padding: 8px 16px; cursor: pointer; transition: all var(--t-base);
  white-space: nowrap; font-family: inherit;
}
.secondary-btn:hover { background: var(--s4); color: var(--t1); text-decoration: none; }

/* ═══════════════════════════════════════════════════
   SETTINGS MODAL
═══════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.72); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center; z-index: 1000; padding: 16px;
}
.modal-box {
  background: var(--s2); border: 1px solid var(--b2); border-radius: var(--r-xl);
  width: 100%; max-width: 480px; box-shadow: var(--shadow-lg); overflow: hidden;
  animation: slideUp .2s cubic-bezier(.16,1,.3,1);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--b1);
}
.modal-head h3 { font-size: .95rem; font-weight: 700; }
.modal-body { padding: 20px; display: flex; flex-direction: column; gap: 20px; overflow-y: auto; max-height: calc(90vh - 64px); }
.setting-row { display: flex; flex-direction: column; gap: 7px; }
.setting-label { display: flex; align-items: center; gap: 7px; font-size: .76rem; font-weight: 600; color: var(--t2); text-transform: uppercase; letter-spacing: .4px; }
.setting-input { width: 100%; background: var(--s3); border: 1px solid var(--b2); border-radius: var(--r); color: var(--t1); font-size: .875rem; padding: 9px 12px; outline: none; transition: border-color var(--t-base); }
.setting-input:focus { border-color: rgba(227,27,35,.5); }
.setting-row small { font-size: .72rem; color: var(--t3); }
.setting-row small a { color: var(--red); }
.input-with-toggle { position: relative; }
.input-with-toggle .setting-input { padding-right: 40px; }
.toggle-pw { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); background: transparent; border: none; color: var(--t3); display: flex; align-items: center; padding: 4px; transition: color var(--t-base); }
.toggle-pw:hover { color: var(--t1); }
.setting-toggle-row .toggle-label { display: flex; align-items: center; gap: 12px; cursor: pointer; font-size: .84rem; color: var(--t2); user-select: none; }
.setting-toggle-row input[type="checkbox"] { position: absolute; opacity: 0; width: 0; }
.toggle-track { width: 36px; height: 20px; background: var(--s5); border-radius: 100px; position: relative; flex-shrink: 0; transition: background var(--t-base); border: 1px solid var(--b2); }
.toggle-thumb { position: absolute; left: 2px; top: 2px; width: 14px; height: 14px; background: var(--t3); border-radius: 50%; transition: left var(--t-base), background var(--t-base); }
input:checked + .toggle-track { background: var(--red); border-color: var(--red-dark); }
input:checked + .toggle-track .toggle-thumb { left: 18px; background: #fff; }
.modal-footer { display: flex; justify-content: flex-end; gap: 8px; padding-top: 8px; border-top: 1px solid var(--b1); }

/* ═══════════════════════════════════════════════════
   TOAST
═══════════════════════════════════════════════════ */
.toast-container { position: fixed; bottom: 24px; right: 24px; display: flex; flex-direction: column; gap: 8px; z-index: 9999; pointer-events: none; }
.toast { background: var(--s3); border: 1px solid var(--b2); border-radius: var(--r); padding: 10px 16px; font-size: .82rem; color: var(--t1); box-shadow: var(--shadow); animation: toastIn .2s ease; pointer-events: all; max-width: 320px; }
.toast.success { border-color: rgba(34,197,94,.35); }
.toast.error   { border-color: rgba(239,68,68,.35); }
@keyframes toastIn { from { opacity:0; transform:translateX(12px); } to { opacity:1; transform:translateX(0); } }

/* ═══════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════ */
@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }
  .sidebar { display: none; }
  .messages { padding: 16px; }
  .input-zone { padding: 10px 16px 14px; }
  .tools-page, .docs-page, .plugin-page { padding: 16px; }
  .plugin-cols { grid-template-columns: 1fr; }
  .docs-grid { grid-template-columns: 1fr; }
  .ai-badge { display: none; }
  .model-chip { max-width: 130px; }
}
@media (max-width: 480px) {
  .tools-grid { grid-template-columns: 1fr; }
  .docs-search-row { flex-wrap: wrap; }
  .model-chip { display: none; }
  .nav-btn { padding: 6px 8px; font-size: .75rem; }
}

/* ═══════════════════════════════════════════
   MODEL INPUT (header)
═══════════════════════════════════════════ */
.model-input {
  background: var(--s2);
  border: 1px solid var(--b1);
  color: var(--t2);
  font-size: .75rem;
  font-family: 'JetBrains Mono', monospace;
  padding: 5px 10px;
  border-radius: var(--r-sm);
  width: 170px;
  outline: none;
  transition: border-color .15s, color .15s;
}
.model-input:focus { border-color: var(--red); color: var(--t1); }
.model-input::placeholder { color: var(--t4); }

/* ═══════════════════════════════════════════
   SETTINGS SECTIONS
═══════════════════════════════════════════ */
.settings-section {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--b1);
}
.settings-section:last-of-type { border-bottom: none; padding-bottom: 0; }

.settings-section-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--t3);
}

/* ═══════════════════════════════════════════
   MODAL HEAD LEFT
═══════════════════════════════════════════ */
.modal-head-left {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--t2);
}
.modal-head-left h3 { margin: 0; font-size: 1rem; font-weight: 700; color: var(--t1); }

/* ═══════════════════════════════════════════
   MODEL HINTS (settings + onboarding)
═══════════════════════════════════════════ */
.model-hints,
.ob-model-hints {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 6px;
}

.model-hint,
.ob-model-hint {
  background: var(--s2);
  border: 1px solid var(--b1);
  color: var(--t3);
  font-size: .7rem;
  font-family: 'JetBrains Mono', monospace;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all .12s;
  user-select: none;
}
.model-hint:hover,
.ob-model-hint:hover { background: var(--red-dim); border-color: var(--red); color: var(--red); }

/* ═══════════════════════════════════════════
   WELCOME CAPS
═══════════════════════════════════════════ */
.welcome-caps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 8px;
}
.welcome-cap {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--s2);
  border: 1px solid var(--b1);
  border-radius: var(--r-sm);
  padding: 7px 14px;
  font-size: .8rem;
  color: var(--t3);
  transition: all .15s;
}
.welcome-cap:hover { border-color: var(--red); color: var(--t1); }


/* ═══════════════════════════════════════════
   AUTH OVERLAY (Google Sign-In)
═══════════════════════════════════════════ */
.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--s0);
  display: flex;
  align-items: center;
  justify-content: center;
}
.auth-overlay.hidden { display: none; }

.auth-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background: var(--s1);
  border: 1px solid var(--b1);
  border-radius: var(--r-xl);
  padding: 40px 44px 36px;
  max-width: 360px;
  width: 100%;
  box-shadow: var(--shadow-lg);
}

.auth-logo { margin-bottom: 4px; }

.auth-title {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--t1);
  margin: 0;
  letter-spacing: -.5px;
}

.auth-sub {
  font-size: .8rem;
  font-weight: 600;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: .8px;
  margin: 0;
}

.auth-desc {
  font-size: .85rem;
  color: var(--t3);
  text-align: center;
  line-height: 1.5;
  margin: 4px 0 8px;
}

.auth-btn-wrap {
  display: flex;
  justify-content: center;
  width: 100%;
  margin: 4px 0;
}

.auth-hint {
  font-size: .72rem;
  color: var(--t4);
  text-align: center;
}

/* ═══════════════════════════════════════════
   USER CHIP (header)
═══════════════════════════════════════════ */
.user-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--s2);
  border: 1px solid var(--b1);
  border-radius: 999px;
  padding: 3px 10px 3px 4px;
}

.user-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.user-name-label {
  font-size: .76rem;
  font-weight: 600;
  color: var(--t2);
  max-width: 90px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.icon-btn.dim { opacity: .5; }
.icon-btn.dim:hover { opacity: 1; color: #ef4444; }

/* ═══════════════════════════════════════════
   PLUGIN CONNECT BLOCK
═══════════════════════════════════════════ */
.plugin-connect-block {
  background: var(--s2);
  border: 1px solid var(--b1);
  border-radius: var(--r-lg);
  padding: 20px;
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.plugin-connect-header {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--t1);
}
.plugin-connect-header h4 { font-size: .9rem; font-weight: 700; margin: 0; }
.plugin-connect-header svg { color: var(--red); flex-shrink: 0; }

.plugin-connect-desc { font-size: .8rem; color: var(--t3); margin: 0; line-height: 1.5; }

.plugin-code-wrap {
  background: var(--s0);
  border: 1px solid var(--b2);
  border-radius: var(--r);
  padding: 12px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: .78rem;
  color: var(--red);
  letter-spacing: .5px;
  word-break: break-all;
  min-height: 42px;
  display: flex;
  align-items: center;
}
.plugin-code-placeholder { color: var(--t4); font-family: inherit; }

.plugin-connect-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.plugin-connect-steps {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.pcs-step {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: .78rem;
  color: var(--t3);
}
.pcs-num {
  width: 20px; height: 20px;
  background: var(--red-dim);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem; font-weight: 700; color: var(--red);
  flex-shrink: 0;
}

/* ── Welcome Plugin Code ── */
.welcome-plugin-code {
  margin-top: 16px;
  background: var(--s2);
  border: 1px solid var(--b2);
  border-radius: var(--r);
  padding: 12px 14px;
  width: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.wpc-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .72rem;
  font-weight: 600;
  color: var(--t3);
  text-transform: uppercase;
  letter-spacing: .5px;
}
.wpc-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  color: var(--red);
  word-break: break-all;
  line-height: 1.5;
  user-select: all;
  cursor: text;
}
.wpc-copy {
  align-self: flex-start;
  background: var(--s3);
  border: 1px solid var(--b2);
  border-radius: var(--r-sm);
  color: var(--t2);
  font-size: .72rem;
  font-weight: 600;
  padding: 4px 12px;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.wpc-copy:hover { background: var(--red); color: #fff; border-color: var(--red); }

/* ── Plugin Code Bar ── */
.plugin-code-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--s2);
  border-top: 1px solid var(--b1);
  flex-shrink: 0;
  flex-wrap: wrap;
}
.plugin-code-bar svg { color: var(--red); flex-shrink: 0; }
.pcb-label { font-size: .72rem; color: var(--t3); font-weight: 600; white-space: nowrap; }
.pcb-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: .7rem;
  color: var(--red);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: text;
  user-select: all;
}
.pcb-copy {
  background: var(--s3);
  border: 1px solid var(--b2);
  border-radius: var(--r-sm);
  color: var(--t2);
  font-size: .7rem;
  font-weight: 600;
  padding: 3px 10px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}
.pcb-copy:hover { background: var(--red); color: #fff; border-color: var(--red); }