/* Full-screen terminal overlay. */

:root {
  --tm-accent: #4a9ef0;
  --tm-font: ui-monospace, "Cascadia Mono", "Cascadia Code", Consolas, "SFMono-Regular",
             "Liberation Mono", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB",
             system-ui, -apple-system, "Segoe UI", sans-serif;
}

.tm-scope[data-tm-scheme="light"] {
  --tm-veil: rgba(240, 243, 250, 0.42);
  --tm-bar-bg: rgba(252, 253, 255, 0.93);
  --tm-line: rgba(13, 18, 51, 0.14);
  --tm-bar-fg: #0d1233;
  --tm-dim: #626a96;
  --tm-chat-fg: #0b1026;
  --tm-chat-dim: #3c4468;
  --tm-chat-shadow: 0 1px 2px rgba(255, 255, 255, 0.95), 0 0 10px rgba(255, 255, 255, 0.75);
  --tm-accent: #2f73cd;
  --tm-root: #d92c2c;
}

.tm-scope[data-tm-scheme="dark"] {
  --tm-veil: rgba(6, 9, 24, 0.38);
  --tm-bar-bg: rgba(22, 28, 60, 0.88);
  --tm-line: rgba(255, 255, 255, 0.16);
  --tm-bar-fg: #eef0f9;
  --tm-dim: #8d94bd;
  --tm-chat-fg: #f4f6ff;
  --tm-chat-dim: #b9c0e0;
  --tm-chat-shadow: 0 1px 3px rgba(0, 0, 0, 0.9), 0 0 12px rgba(0, 0, 0, 0.55);
  --tm-accent: #6bb0ff;
  --tm-root: #ff5b5b;
}

/* Backdrop blur. */
.tm-veil {
  position: fixed; inset: 0; z-index: 45;
  background: var(--tm-veil, rgba(6, 9, 24, 0.38));
  visibility: hidden; opacity: 0; pointer-events: none;
  transition: opacity .2s ease, visibility 0s linear .2s;
}
.tm-veil[data-open="true"] {
  visibility: visible; opacity: 1; pointer-events: auto;
  -webkit-backdrop-filter: blur(16px) saturate(130%);
  backdrop-filter: blur(16px) saturate(130%);
  transition: opacity .2s ease, visibility 0s linear 0s;
}

/* Custom scrollbar on the left. */
.tm-scrollbar {
  position: fixed; left: 26px; z-index: 51;
  bottom: calc(24px + 52px + 22px);
  width: 3px; height: 50vh; max-height: calc(100vh - 190px);
  border-radius: 2px;
  background: color-mix(in srgb, var(--tm-chat-fg) 10%, transparent);
  opacity: 0; pointer-events: none;
  transition: opacity .25s ease;
  visibility: hidden;
}
.tm-scrollbar[data-open="true"] { visibility: visible; }
.tm-scrollbar i {
  display: block; width: 100%; border-radius: 2px;
  background: color-mix(in srgb, var(--tm-chat-fg) 34%, transparent);
}

/* History log. */
.tm-log {
  position: fixed; left: 24px; z-index: 50;
  bottom: calc(24px + 52px + 22px);
  width: min(760px, calc(100vw - 48px));
  height: 50vh;
  max-height: calc(100vh - 190px);
  overflow-y: auto; overflow-x: hidden;
  display: flex; flex-direction: column;           /* Keep DOM order for text selection. */
  padding: 0 4px 2px 10px;
  font: 14px/1.72 var(--tm-font);
  color: var(--tm-chat-fg);
  text-shadow: var(--tm-chat-shadow);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, transparent 3%, #000 24%, #000 100%);
  mask-image: linear-gradient(to bottom, transparent 0, transparent 3%, #000 24%, #000 100%);
  scrollbar-width: none;                           /* Hide the native scrollbar. */
  visibility: hidden; opacity: 0; translate: 0 8px; pointer-events: none;
  transition: opacity .18s ease, translate .18s ease, visibility 0s linear .18s;
}
.tm-log[data-open="true"] {
  visibility: visible; opacity: 1; translate: 0 0; pointer-events: auto;
  transition: opacity .18s ease, translate .18s ease, visibility 0s linear 0s;
}
.tm-log::-webkit-scrollbar { display: none; }
.tm-log .tm-line { white-space: pre-wrap; overflow-wrap: anywhere; }
.tm-log .tm-line + .tm-line { margin-top: 3px; }
/* Keep short logs aligned to the input bar. */
.tm-log .tm-line:first-child { margin-top: auto; }
.tm-dim { color: var(--tm-chat-dim); }
.tm-cmd { color: var(--tm-chat-fg); }
.tm-cmd .tm-path { color: var(--tm-chat-dim); }
.tm-cmd b { color: var(--tm-accent); font-weight: 700; }
.tm-ok { color: var(--tm-chat-fg); }
.tm-err { color: #ff8a80; }
.tm-note { color: #ffcf8a; }

/* Input bar. */
.tm-bar {
  position: fixed; left: 24px; bottom: 24px; z-index: 50;
  width: min(760px, calc(100vw - 48px));
  height: 52px;
  display: flex; align-items: center; gap: 10px;
  padding: 0 8px 0 16px;
  border-radius: 12px;
  border: 1px solid var(--tm-line);
  background: var(--tm-bar-bg);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .30);
  color: var(--tm-bar-fg);
  font: 14px/1.6 var(--tm-font);
  visibility: hidden; opacity: 0; translate: 0 10px; pointer-events: none;
  transition: opacity .18s ease, translate .18s ease, background .25s ease,
              border-color .25s ease, box-shadow .25s ease, visibility 0s linear .18s;
}
.tm-bar[data-open="true"] {
  visibility: visible; opacity: 1; translate: 0 0; pointer-events: auto;
  transition: opacity .18s ease, translate .18s ease, background .25s ease,
              border-color .25s ease, box-shadow .25s ease, visibility 0s linear 0s;
}
/* Draw the focus ring on the whole bar. */
.tm-bar:focus-within {
  border-color: color-mix(in srgb, var(--tm-accent) 72%, var(--tm-line));
  box-shadow: 0 16px 40px rgba(0, 0, 0, .30),
              0 0 0 3px color-mix(in srgb, var(--tm-accent) 30%, transparent);
}
.tm-bar .tm-prompt {
  flex: none; color: var(--tm-accent); font-weight: 700;
  -webkit-user-select: none; user-select: none;
}
/* Root prompt. */
.tm-bar .tm-prompt[data-root="true"] { color: var(--tm-root); }
.tm-bar input {
  flex: 1; min-width: 0; height: 100%;
  background: none; border: 0; outline: 0;
  color: var(--tm-bar-fg); font: inherit; caret-color: var(--tm-accent);
}
/* Override theme focus styles on the input. */
.tm-bar .tm-input,
.tm-bar .tm-input:hover,
.tm-bar .tm-input:focus,
.tm-bar .tm-input:focus-visible {
  outline: none; box-shadow: none; border: 0; background: transparent;
}
.tm-bar input::placeholder { color: color-mix(in srgb, var(--tm-dim) 75%, transparent); }
.tm-bar .tm-run {
  flex: none; display: inline-flex; align-items: center; gap: .4rem;
  height: 36px; padding: 0 14px; border: 0; border-radius: 8px;
  background: var(--tm-accent); color: #fff; font: 600 13px/1 inherit; cursor: pointer;
  -webkit-user-select: none; user-select: none;
}
.tm-bar .tm-run:hover { filter: brightness(1.08); }
.tm-bar .tm-run kbd { font: 12px/1 var(--tm-font); opacity: .85; }

/* Launcher button. */
.tm-launcher {
  position: fixed; right: 84px; bottom: 24px;
  z-index: 55;
  display: inline-flex; align-items: center; gap: .5rem;
  height: 40px; padding: 0 12px;
  border: 1px solid var(--tm-line);
  border-radius: 12px;
  background: var(--tm-bar-bg);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  backdrop-filter: blur(14px) saturate(160%);
  color: var(--tm-bar-fg); font: 14px/1 var(--tm-font); cursor: pointer;
  box-shadow: 0 8px 22px rgba(0, 0, 0, .22);
  -webkit-user-select: none; user-select: none;
  transition: bottom .2s ease, border-color .2s ease;
}
.tm-launcher:hover { border-color: color-mix(in srgb, var(--tm-accent) 60%, var(--tm-line)); }
.tm-launcher .tm-ico { color: var(--tm-accent); font-weight: 700; }
.tm-launcher kbd {
  font: 11px/1 var(--tm-font); padding: .25rem .4rem;
  border-radius: 5px; border: 1px solid var(--tm-line); color: var(--tm-dim);
}

/* Hide the player while the terminal is open. */
html[data-tm-open="true"] .mp-panel {
  opacity: 0;
  translate: 0 10px;
  pointer-events: none;
  transition: opacity .22s ease, translate .22s ease;
}

/* Limit text selection to terminal content. */
html[data-tm-open="true"] body,
html[data-tm-open="true"] body * {
  -webkit-user-select: none;
  user-select: none;
}
html[data-tm-open="true"] .tm-scope .tm-log,
html[data-tm-open="true"] .tm-scope .tm-log *,
html[data-tm-open="true"] .tm-scope .tm-bar .tm-input {
  -webkit-user-select: text;
  user-select: text;
}

@media (max-width: 640px) {
  .tm-log, .tm-bar { left: 16px; width: calc(100vw - 32px); }
  .tm-log { height: 46vh; }
  .tm-scrollbar { left: 18px; height: 46vh; }
  /* Mobile launcher stays on the left edge. */
  .tm-launcher {
    left: 0; right: auto; top: 50%; bottom: auto; transform: translateY(-50%);
    padding: 0 12px 0 10px;
    border-left: 0; border-radius: 0 10px 10px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tm-veil, .tm-log, .tm-bar { transition: none; }
}