/* Composer（两层结构）、待发附件、弹层、toast */

.composer { width: min(100%, var(--col)); margin: 0 auto; position: relative; }
.composer-box {
  display: flex; flex-direction: column; border: 1px solid var(--border-control);
  border-radius: var(--radius-composer); background: var(--surface); padding: 12px 14px 8px;
  box-shadow: 0 0 0 0.5px rgba(0,0,0,.015), 0 2px 8px rgba(0,0,0,.035);
}
.composer-box:focus-within { border-color: var(--border-2); }
.composer-box textarea {
  width: 100%; border: 0; outline: none; background: none; color: var(--text); font: inherit;
  resize: none; max-height: 200px; min-height: 26px; padding: 0 2px;
}
.composer-box textarea::placeholder { color: var(--text-3); }
.composer-tools { display: flex; align-items: center; gap: 4px; margin-top: 8px; }
.tool-btn {
  display: flex; align-items: center; gap: 5px; padding: 5px 9px; border: 0; background: none;
  border-radius: var(--radius-sm); color: var(--text-2); font-size: 13px; max-width: 42vw;
}
.tool-btn:hover { background: var(--surface-hover); color: var(--text); }
.tool-btn .label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#intellabel { max-width: 30vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tool-btn .i { width: 15px; height: 15px; }
.tool-btn .i.chev-right { transform: rotate(-90deg); }
.send {
  display: flex; align-items: center; justify-content: center; width: 32px; height: 32px;
  border: 0; border-radius: 50%; background: var(--send-off-bg); color: var(--send-off-fg); padding: 0;
}
.send.ready { background: var(--interactive); color: #fff; }
.send.ready:hover { filter: brightness(.95); }
.send:disabled { cursor: default; }

#pending { display: flex; flex-wrap: wrap; gap: 8px; padding-bottom: 8px; }
#pending:empty { display: none; }
.chip {
  position: relative; width: 68px; height: 68px; border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--border-2); background: var(--surface);
}
.chip img { width: 100%; height: 100%; object-fit: cover; display: block; cursor: zoom-in; }
.chip .doc { height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; padding: 4px; }
.chip .doc .n { font-size: 9.5px; color: var(--text-3); max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip .x {
  position: absolute; top: 3px; right: 3px; width: 19px; height: 19px; border-radius: 50%;
  border: 0; background: rgba(20,20,20,.72); color: #fff; font-size: 11px; padding: 0; line-height: 1;
}
.chip .bar { position: absolute; left: 0; bottom: 0; height: 3px; background: var(--text); width: 0; transition: width .15s; }
.chip.done .bar { background: var(--ok); }
.chip .note { position: absolute; left: 0; right: 0; bottom: 3px; font-size: 9px; text-align: center; color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,.6); }

/* ---------- 弹层 ---------- */
.popover {
  position: absolute; z-index: 12; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-popover); padding: 6px; display: none;
}
.popover.on { display: block; animation: pop .12s ease-out; }
#plusmenu { left: 0; bottom: calc(100% + 10px); width: min(250px, calc(100vw - 24px)); }
#popover {
  right: 0; bottom: calc(100% + 10px); width: min(380px, calc(100vw - 24px)); padding: 0;
  /* 模型多了以后要限高，否则弹层顶部（筛选/只看免费）会顶出屏幕 */
  max-height: min(560px, calc(100dvh - 190px));
  flex-direction: column;
}
#popover.on { display: flex; }
#popover > * { flex: none; }                     /* 标题/筛选行/头部不参与压缩 */
/* 空会话时 composer 居中，弹层改为向下展开（上面没那么多空间） */
#popover.below, #plusmenu.below, #cmdpalette.below { top: calc(100% + 10px); bottom: auto; }
#popover .po-scroll { flex: 1 1 auto; min-height: 0; max-height: none; overflow-y: auto; }
.po-title { font-size: 11.5px; color: var(--text-3); padding: 6px 10px 4px; }
/* Intelligence 面板（对齐 GPT：宽面板/粗滑轨/大圆钮/通栏分隔线） */
.intel-head {
  display: flex; align-items: center; justify-content: center; gap: 4px;
  font-size: 15px; font-weight: 500; color: var(--text); padding: 14px 0 12px;
}
.intel-head .i { color: var(--text-3); width: 15px; height: 15px; transform: rotate(-90deg); }
.intel-sep { height: 1px; background: var(--border); margin: 4px 18px 4px; }
.intel-model {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 13px 18px;
  background: none; border: 0; border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-size: 14px; text-align: left;
}
.intel-model:hover { background: var(--control-hover); }
.intel-model .val { margin-left: auto; color: var(--text-3); font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 58%; }
.intel-model .i { color: var(--text-3); }
#popover .po-scroll { padding: 0 6px 6px; }
#popover .po-back { margin: 6px 6px 0; width: calc(100% - 12px); }
#popover .po-title { padding: 8px 12px 6px; }
.po-back { color: var(--text-2); }
.po-back .i { transform: rotate(90deg); }
.po-item {
  display: flex; align-items: center; gap: 9px; width: 100%; padding: 8px 10px; border: 0;
  background: none; border-radius: var(--radius-sm); font-size: 13.5px; text-align: left;
}
.po-item:hover { background: var(--control-hover); }
.po-item .check { margin-left: auto; color: var(--text); visibility: hidden; }
.po-item.on .check { visibility: visible; }
.po-sep { height: 1px; background: var(--border); margin: 5px 4px; }
.po-item.off { opacity: .45; cursor: not-allowed; }
.po-item.off:hover { background: none; }
.po-warn { margin: 2px 10px 6px; padding: 7px 10px; border-radius: 8px; background: rgba(217,45,32,.08); color: var(--danger); font-size: 12.5px; }
.po-scroll { max-height: 220px; overflow-y: auto; }
.po-desc { color: var(--text-3); font-size: 11.5px; }
.po-filter {
  width: calc(100% - 16px); margin: 2px 8px 6px; padding: 6px 9px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); font: inherit; font-size: 13px; outline: none; color: var(--text);
  background: var(--surface);
}
.po-filter:focus { border-color: var(--text-3); }

/* Intelligence：保留原版蓝白滑杆、渐变与粒子动效 */
.reason { padding: 0 18px 14px; user-select: none; }
.reason-track { position: relative; height: 44px; cursor: pointer; touch-action: none; }
.reason-rail {
  position: absolute; left: 12px; right: 12px; top: 50%; height: 24px; border-radius: 999px;
  background: var(--reason-track); transform: translateY(-50%); overflow: hidden;
}
.reason-fill {
  position: absolute; inset: 0 auto 0 0; width: 12px; border-radius: 999px;
  background: var(--interactive); transition: width .3s cubic-bezier(.22,1,.36,1);
}
/* 绚丽渐变做成叠加层：用透明度淡入，避免 background 瞬间切换 */
.fill-aurora {
  position: absolute; inset: 0; border-radius: inherit; opacity: 0;
  transition: opacity .5s ease .06s;
  background: linear-gradient(90deg, #4c1d95 0%, #7c3aed 30%, #c084fc 56%, #e879f9 78%, #a21caf 100%);
}
.reason.max .fill-aurora { opacity: 1; }
.reason-dots { position: absolute; inset: 0; }
.reason-dot {
  position: absolute; top: 50%; width: 5px; height: 5px; border-radius: 50%;
  background: rgba(0,0,0,.10); transform: translate(-50%,-50%); transition: background .15s;
}
.reason-dot.on { background: rgba(255,255,255,.62); }
html[data-theme="dark"] .reason-dot { background: rgba(255,255,255,.16); }
html[data-theme="dark"] .reason-dot.on { background: rgba(255,255,255,.5); }
.reason-thumb {
  position: absolute; top: 50%; left: 0; margin-left: -14px; width: 28px; height: 28px; border-radius: 50%;
  transform: translate3d(12px, -50%, 0); background: #fff; cursor: grab;
  box-shadow: 0 1px 3px rgba(0,0,0,.22), 0 0 0 .5px rgba(0,0,0,.06);
  transition: transform .3s cubic-bezier(.22,1,.36,1), box-shadow .3s ease;
  will-change: transform;
}
.reason-thumb:hover { box-shadow: 0 2px 6px rgba(0,0,0,.28), 0 0 0 .5px rgba(0,0,0,.06); }
.reason.dragging .reason-thumb { transition: box-shadow .3s ease; cursor: grabbing; }
.reason.dragging .reason-fill { transition: none; }
/* 最高强度：紫粉渐变 + 白色粒子（随时间轻动） */
.reason-sparkles {
  position: absolute; inset: 0; overflow: hidden; border-radius: 999px; pointer-events: none;
  opacity: 0; transition: opacity .55s ease .08s;
}
.reason.max .reason-sparkles { opacity: 1; }
.reason.max .reason-thumb {
  box-shadow: 0 0 0 5px rgba(217,70,239,.22), 0 1px 3px rgba(0,0,0,.22);
  transition: transform .3s cubic-bezier(.22,1,.36,1), box-shadow .5s ease;
}
.spark {
  position: absolute; border-radius: 50%; background: #fff; opacity: .7;
  animation: spark var(--dur, 2.6s) ease-in-out infinite alternate;
  animation-delay: var(--delay, 0s);
}
@keyframes spark {
  from { transform: translate(0, 0) scale(.65); opacity: .3; }
  to { transform: translate(var(--dx, 0px), var(--dy, 0px)) scale(1.1); opacity: .95; }
}
@media (prefers-reduced-motion: reduce) { .spark { animation: none; } }

/* 打开弹层时不要从最左滑过来 */
.reason.init .reason-thumb, .reason.init .reason-fill { transition: none !important; }
.reason-labels { display: flex; justify-content: space-between; padding: 12px 12px 0; }
.reason-labels button {
  flex: 1; min-width: 44px; min-height: 44px; padding: 0; border: 0; border-radius: 8px; background: none; font: inherit; text-align: center; font-size: 13px; color: var(--text-3); cursor: pointer;
  transition: color .15s; white-space: nowrap;
}
.reason-labels button.on { color: var(--interactive); font-weight: 600; }

.reason.keyboard .reason-thumb, .reason.keyboard .reason-fill { transition: none; }
.reason-labels button:focus-visible { outline: 2px solid var(--brand); outline-offset: -2px; }
.reason-labels button[aria-disabled=true] { cursor: progress; }
.reason.max.dragging .reason-thumb { transition: box-shadow .3s ease; cursor: grabbing; }
.reason .spark { animation-play-state: paused; }
.reason.max .spark { animation-play-state: running; }
@media (prefers-reduced-motion: reduce) {
  .reason *, .reason.max .reason-thumb { transition: none !important; animation: none !important; }
  .reason-sparkles { display: none; }
}


/* ---------- 模型列表：筛选行 / 免费开关 / 标签 ---------- */
.po-toolrow { display: flex; gap: 6px; align-items: center; padding: 0 8px 6px; }
.po-toolrow .po-filter { flex: 1 1 auto; width: auto; margin: 0; }
.po-chip {
  border: 1px solid transparent; background: var(--control-bg); border-radius: 999px;
  padding: 5px 12px; font-size: 12px; color: var(--text-3); white-space: nowrap; flex: none;
  display: inline-flex; align-items: center; gap: 5px;
  transition: background .12s, color .12s, border-color .12s;
}
.po-chip::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  border: 1.5px solid var(--border-2); background: transparent;
  transition: background .12s, border-color .12s;
}
.po-chip:hover { background: var(--control-hover); color: var(--text); }
.po-chip.on { background: var(--interactive-soft); border-color: var(--interactive-border); color: var(--interactive); font-weight: 600; }
.po-chip.on::before { background: var(--interactive); border-color: var(--interactive); }
.po-badge {
  display: inline-block; font-size: 10.5px; padding: 0 6px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text-3); margin-left: 6px; line-height: 1.7;
}
.po-badge.free { color: var(--ok); border-color: rgba(6,118,71,.35); background: rgba(6,118,71,.08); }
.po-badge.dim { color: var(--text-3); }
.po-title.po-provider {
  position: sticky; top: 0; background: var(--surface); z-index: 1;
  padding-top: 8px; font-weight: 600;
}
.po-modelname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.po-modelhead { display: flex; align-items: center; justify-content: space-between; padding-right: 12px; }
.po-refresh { color: var(--interactive); background: none; border: 0; padding: 6px; font-size: 12px; }
.po-refresh:disabled { color: var(--text-3); cursor: wait; }
.po-modelcontrols { flex-wrap: wrap; }
.po-modelcontrols .po-chip { padding: 5px 9px; }
.po-sort { margin-left: auto; min-width: 0; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: var(--radius-sm); padding: 5px; font-size: 12px; }
.po-modelstatus, .po-modelempty { padding: 5px 12px 9px; font-size: 11px; color: var(--text-3); line-height: 1.6; }
.po-modelbody { min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.po-modelbody .po-modelname { white-space: normal; overflow-wrap: anywhere; }
.po-modeldetail { color: var(--text-3); font-size: 10.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.po-item.model:disabled { cursor: default; opacity: .55; }

.po-providerstatus { padding-inline: 12px; }
.po-provider-notice { display: flex; align-items: center; gap: 8px; padding-block: 6px; }
.po-provider-notice p { flex: 1; min-width: 0; margin: 0; font-size: 12px; color: var(--text-2); }
.po-provider-notice button { flex: none; }

.composer-box { border-radius: 16px; border-color: var(--border-control); box-shadow: 0 4px 16px rgba(16,24,40,.04); }
.composer-tools { flex-wrap: wrap; gap: 4px; }
.model-selector { min-width: 0; max-width: 230px; }
#model-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tool-btn { min-height: 40px; }
#popover { width: min(480px, calc(100vw - 32px)); }
.po-modeldetail { font-size: 12px; white-space: normal; line-height: 1.5; }
.po-modelname { font-size: 14px; }
.po-badge { font-size: 11px; }
.effort-note { color: var(--text-2); font-size: 12px; padding: 0 16px 16px; margin: 0; line-height: 1.7; }
#pending .chip .doc .n { font-size: 11px; }
@media (max-width: 600px) {
  .composer-box { padding: 8px; }
  .tool-btn { min-height: 44px; font-size: 12px; padding: 8px; }
  .model-selector { max-width: min(150px, 43vw); }
  .send { width: 44px; height: 44px; }
  #attach .label { display: none; }
  .composer-tools > .spacer { min-width: 0; }
  .po-modelcontrols { flex-wrap: wrap; }
}

@media (max-width: 600px) {
 .composer-tools { display: grid; grid-template-columns: 44px minmax(0,1fr) auto 44px; gap: 4px; }
 .model-selector { grid-column: 1 / 4; grid-row: 1; max-width: 100%; justify-self: start; }
 #intelbtn { grid-column: 4; grid-row: 1; padding-inline: 0; justify-content: center; }
 #intelbtn .i { display: none; }
 #attach { grid-column: 1; grid-row: 2; }
 .composer-tools > .spacer { display: none; }
 #stop { grid-column: 3; grid-row: 2; }
 #send { grid-column: 4; grid-row: 2; }
}

.attachment-retry { position: absolute; bottom: 0; left: 0; right: 0; min-height: 36px; border: 0; background: var(--surface); color: var(--danger); font: inherit; font-size: 12px; }
.chip:has(.attachment-retry) { border-color: var(--danger); }