/* ============================================================
   The Boring Dev — theme tokens + custom classes
   Palette is driven by CSS variables so the theme toggle works
   even though Tailwind maps its color names to var(--...).
   Default = dark (matches the design). .light flips the tokens.
   ============================================================ */

:root {
  --background: #131313;
  --surface: #131313;
  --surface-bright: #3a3939;
  --surface-variant: #353534;
  --sc-lowest: #0e0e0e;
  --sc-low: #1c1b1b;
  --sc: #201f1f;
  --sc-high: #2a2a2a;
  --sc-highest: #353534;
  --on-surface: #e5e2e1;
  --on-surface-variant: #cbc3d7;
  --primary: #d0bcff;
  --primary-container: #a078ff;
  --on-primary: #3c0091;
  --on-primary-container: #23005c;
  --outline: #958ea0;
  --outline-variant: #494454;
  --error: #ffb4ab;

  --glass-bg: rgba(42, 42, 42, 0.4);
  --glass-border: rgba(255, 255, 255, 0.08);
  --bubble-text: #ffffff;
  --scroll-thumb: rgba(255, 255, 255, 0.12);
}

:root.light {
  --background: #f5f6f8;
  --surface: #ffffff;
  --surface-bright: #ffffff;
  --surface-variant: #e2e4ea;
  --sc-lowest: #ffffff;
  --sc-low: #eef0f4;
  --sc: #e8eaef;
  --sc-high: #e0e2e9;
  --sc-highest: #d6d8e0;
  --on-surface: #16181d;
  --on-surface-variant: #5b5d66;
  --primary: #6d3bd7;
  --primary-container: #7c5cff;
  --on-primary: #ffffff;
  --on-primary-container: #ffffff;
  --outline: #8a8c96;
  --outline-variant: #d5d7de;
  --error: #b3261e;

  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(22, 24, 29, 0.08);
  --bubble-text: #ffffff;
  --scroll-thumb: rgba(22, 24, 29, 0.18);
}

/* ----- icons (guarantee the Material Symbols ligature + guard vs preflight) ----- */
.material-symbols-outlined {
  font-family: "Material Symbols Outlined";
  font-weight: normal;
  font-style: normal;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  direction: ltr;
  -webkit-font-feature-settings: "liga";
  font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
}

/* ----- hidden guard (Tailwind's .flex etc. override [hidden]; force it off) ----- */
[hidden] { display: none !important; }

/* ----- surfaces ----- */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
}
.glow-focus:focus-within {
  border-color: rgba(160, 120, 255, 0.45);
  box-shadow: 0 0 24px rgba(160, 120, 255, 0.15);
}
.user-bubble {
  background: linear-gradient(135deg, rgba(160, 120, 255, 0.95) 0%, rgba(138, 90, 245, 0.95) 100%);
  box-shadow: 0 4px 20px rgba(160, 120, 255, 0.18);
  color: var(--bubble-text);
}

/* ----- scrollbars ----- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scroll-thumb); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(160, 120, 255, 0.4); }

/* ----- theme icon swap ----- */
.i-moon { display: none; }
:root.light .i-sun { display: none; }
:root.light .i-moon { display: inline-block; }

/* mobile drawer open state (id+class beats Tailwind's -translate-x-full) */
#sidebar.open { transform: translateX(0); }

/* ----- icon + chip buttons ----- */
.icon-btn {
  width: 40px; height: 40px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 9999px;
  color: var(--on-surface-variant);
  transition: color .2s, background .2s;
}
.icon-btn:hover { color: var(--primary); background: var(--sc-high); }
.chip {
  padding: 10px 20px;
  border-radius: 9999px;
  border: 1px solid color-mix(in srgb, var(--outline-variant) 60%, transparent);
  color: var(--on-surface-variant);
  font-size: 14px;
  transition: all .25s;
}
.chip:hover { border-color: rgba(160, 120, 255, .5); color: var(--primary); background: rgba(160, 120, 255, .06); }

/* ----- recents rows ----- */
.recent {
  position: relative;
  display: flex; align-items: center; gap: 12px;
  padding: 8px 12px; border-radius: 8px; cursor: pointer;
  color: var(--on-surface-variant);
  transition: background .2s, color .2s;
}
.recent:hover { background: var(--sc-low); color: var(--on-surface); }
.recent.active { background: var(--sc-high); color: var(--on-surface); }
.recent-title {
  flex: 1; min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: 14px;
}
.recent-menu {
  flex-shrink: 0;
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  color: var(--outline);
  opacity: 0; transition: opacity .15s, background .15s, color .15s;
}
.recent:hover .recent-menu, .recent.active .recent-menu { opacity: 1; }
.recent-menu:hover { background: var(--sc-highest); color: var(--on-surface); }
.recents-empty { font-size: 13px; color: var(--on-surface-variant); opacity: .6; padding: 4px 12px; }

/* ----- floating rename/delete popup ----- */
.chat-menu {
  position: fixed; z-index: 60; min-width: 150px;
  background: var(--sc-high);
  border: 1px solid var(--outline-variant);
  border-radius: 12px; padding: 6px;
  box-shadow: 0 12px 34px -12px rgba(0, 0, 0, .55);
  display: flex; flex-direction: column; gap: 2px;
}
.chat-menu[hidden] { display: none !important; }
.chat-menu button {
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 9px 12px;
  border-radius: 8px; background: none; border: none; cursor: pointer;
  color: var(--on-surface); font: inherit; font-size: 14px; text-align: left;
}
.chat-menu button:hover { background: var(--sc-lowest); }
.chat-menu button.danger { color: var(--error); }

/* ----- message body / markdown ----- */
.body { word-break: break-word; }
.body > *:first-child { margin-top: 0; }
.body > *:last-child { margin-bottom: 0; }
.body p { margin: 0 0 12px; }
.body strong { font-weight: 600; color: var(--on-surface); }
.body ul { margin: 0 0 12px; padding-left: 20px; list-style: disc; }
.body li { margin: 2px 0; }
.body h1, .body h2, .body h3, .body h4 {
  font-family: "Libre Caslon Text", serif; font-weight: 400;
  margin: 16px 0 8px; line-height: 1.3; color: var(--on-surface);
}
.body h1 { font-size: 22px; } .body h2 { font-size: 20px; }
.body h3 { font-size: 18px; } .body h4 { font-size: 16px; }
.body code.inline {
  font-family: "JetBrains Mono", monospace; font-size: .88em;
  background: var(--sc-highest); padding: 2px 6px; border-radius: 6px;
}
.code-block { position: relative; margin: 0 0 14px; }
.code-block pre {
  background: var(--sc-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: 12px; padding: 14px 16px; overflow-x: auto;
}
.code-block code {
  font-family: "JetBrains Mono", monospace; font-size: 13px;
  color: var(--on-surface); white-space: pre;
}
.code-copy {
  position: absolute; top: 8px; right: 8px;
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  color: var(--on-surface-variant);
  background: var(--sc-high); border: 1px solid var(--outline-variant);
  border-radius: 6px; padding: 3px 8px; cursor: pointer; opacity: .8;
}
.code-copy:hover, .code-copy.done { color: var(--primary); opacity: 1; }

.sent-image {
  display: block; margin-top: 10px; max-width: 260px; width: 100%;
  border-radius: 12px; border: 1px solid var(--glass-border);
}

/* ----- assistant meta row (copy / speak / speed) ----- */
.meta {
  display: flex; align-items: center; gap: 16px;
  margin-top: 14px;
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  color: var(--outline);
  opacity: 0; transition: opacity .2s;
}
.msg.aria:hover .meta, .meta:focus-within { opacity: 1; }
.meta button { background: none; border: none; cursor: pointer; color: inherit; font: inherit; text-transform: uppercase; letter-spacing: .04em; }
.meta button:hover, .meta button.done { color: var(--primary); }
.meta .speed { color: var(--primary); text-transform: none; }

/* ----- typing indicator ----- */
.typing { display: inline-flex; gap: 5px; padding: 4px 0; }
.typing span {
  width: 8px; height: 8px; border-radius: 9999px; background: var(--primary);
  animation: bd-pulse 1s infinite ease-in-out;
}
.typing span:nth-child(2) { animation-delay: .15s; }
.typing span:nth-child(3) { animation-delay: .3s; }
@keyframes bd-pulse { 0%, 100% { opacity: .3; transform: scale(.8); } 50% { opacity: 1; transform: scale(1); } }

/* ----- mic listening pulse ----- */
.mic.listening { color: var(--primary) !important; background: rgba(160, 120, 255, .12) !important; animation: bd-mic 1.3s infinite; }
@keyframes bd-mic { 0%, 100% { box-shadow: 0 0 0 0 rgba(160, 120, 255, .35); } 50% { box-shadow: 0 0 0 6px rgba(160, 120, 255, 0); } }

/* ----- attachment preview ----- */
.attach-preview { display: flex; align-items: center; gap: 10px; }
.attach-preview img { max-height: 60px; border-radius: 8px; border: 1px solid var(--glass-border); }
.attach-preview .remove {
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  color: var(--on-surface-variant); background: var(--sc-high);
  border: 1px solid var(--outline-variant); border-radius: 6px; padding: 3px 8px; cursor: pointer;
}
.attach-preview .remove:hover { color: var(--error); }