/* ═══════════════════════════════════════════════
   星语上下文管理 — 视觉系统
   ═══════════════════════════════════════════════ */

/* ── 侧滑面板 ── */
.star-context-panel {
  position: fixed;
  inset: 0;
  z-index: 99990;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0s .3s, opacity .3s ease;
}
.star-context-panel.open {
  visibility: visible;
  opacity: 1;
  transition: visibility 0s, opacity .3s ease;
}
.star-context-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2,6,10,.75);
  backdrop-filter: blur(6px);
}
.star-context-sheet {
  position: absolute;
  right: 0; top: 0;
  width: 440px; max-width: 92vw;
  height: 100%;
  background: linear-gradient(180deg,#0d1620 0%,#080c14 100%);
  border-left: 1px solid rgba(0,223,216,.12);
  box-shadow: -12px 0 50px rgba(0,0,0,.55);
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform .45s cubic-bezier(.25,.46,.45,.94);
}
.star-context-panel.open .star-context-sheet {
  transform: translateX(0);
}

/* ── 头部 ── */
.star-context-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 26px;
  border-bottom: 1px solid rgba(0,223,216,.08);
  flex-shrink: 0;
}
.star-context-header h3 {
  margin: 0;
  font-family: 'Cinzel','Noto Serif SC',serif;
  font-size: 17px; color: #00dfd8;
  letter-spacing: 3px;
  text-shadow: 0 0 18px rgba(0,223,216,.25);
}
.star-context-close {
  background: transparent; border: none;
  color: rgba(255,255,255,.45);
  font-size: 18px; cursor: pointer;
  width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.star-context-close:hover {
  background: rgba(255,255,255,.08); color: #fff;
}

/* ── 主体滚动区 ── */
.star-context-body {
  flex: 1; overflow-y: auto;
  padding: 22px 26px;
  display: flex; flex-direction: column; gap: 26px;
}
.star-context-body::-webkit-scrollbar { width: 4px; }
.star-context-body::-webkit-scrollbar-thumb {
  background: rgba(0,223,216,.2); border-radius: 4px;
}

/* ── 输入区 ── */
.star-context-input-area {
  background: rgba(255,255,255,.025);
  border: 1px solid rgba(0,223,216,.08);
  border-radius: 14px; padding: 18px;
}

/* 标签页 */
.star-context-tabs {
  display: flex; gap: 10px; margin-bottom: 16px;
}
.ctx-tab {
  flex: 1; padding: 9px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 10px;
  color: rgba(255,255,255,.45);
  font-size: 13px; cursor: pointer;
  transition: all .25s;
  font-family: 'Noto Serif SC',serif;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}
.ctx-tab:hover {
  background: rgba(255,255,255,.07);
  color: rgba(255,255,255,.75);
}
.ctx-tab.active {
  background: rgba(0,223,216,.1);
  border-color: rgba(0,223,216,.35);
  color: #00dfd8;
  box-shadow: 0 0 12px rgba(0,223,216,.08);
}

/* 输入控件 */
.ctx-tab-content { display: none; }
.ctx-tab-content.active { display: block; }

#ctxPasteInput {
  width: 100%; min-height: 110px;
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 10px; padding: 12px;
  color: #e0e0e0; font-size: 13px; line-height: 1.7;
  resize: vertical; font-family: 'Noto Serif SC',serif;
}
#ctxPasteInput:focus {
  outline: none;
  border-color: rgba(0,223,216,.35);
  box-shadow: 0 0 10px rgba(0,223,216,.06);
}

#ctxUrlInput {
  width: 100%; padding: 11px 14px;
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 10px; color: #e0e0e0;
  font-size: 13px; margin-bottom: 10px;
  font-family: 'Noto Serif SC',serif;
}
#ctxUrlInput:focus {
  outline: none; border-color: rgba(0,223,216,.35);
}

.ctx-url-hint {
  font-size: 11px; color: rgba(255,255,255,.28);
  margin-top: 8px; line-height: 1.5;
}

.ctx-add-btn {
  width: 100%; margin-top: 12px; padding: 11px;
  background: linear-gradient(135deg,rgba(0,223,216,.18),rgba(0,124,240,.15));
  border: 1px solid rgba(0,223,216,.25);
  border-radius: 10px; color: #00dfd8;
  font-size: 13px; cursor: pointer;
  transition: all .25s;
  font-family: 'Noto Serif SC',serif;
  letter-spacing: 1px;
}
.ctx-add-btn:hover {
  background: linear-gradient(135deg,rgba(0,223,216,.28),rgba(0,124,240,.22));
  box-shadow: 0 0 20px rgba(0,223,216,.12);
  transform: translateY(-1px);
}
.ctx-add-btn:active { transform: translateY(0); }
.ctx-add-btn:disabled {
  opacity: .45; cursor: not-allowed; transform: none;
}

/* ── 列表区 ── */
.star-context-list-area { flex: 1; display: flex; flex-direction: column; min-height: 0; }

.ctx-list-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
  font-size: 13px; color: rgba(255,255,255,.55);
  font-family: 'Noto Serif SC',serif;
}
.ctx-count {
  display: inline-block;
  background: rgba(0,223,216,.12);
  color: #00dfd8; padding: 2px 10px;
  border-radius: 12px; font-size: 11px;
  margin-left: 6px; font-weight: 600;
}
.ctx-clear-btn {
  background: transparent; border: none;
  color: rgba(239,68,68,.55); font-size: 13px;
  cursor: pointer; padding: 5px 10px;
  border-radius: 6px; transition: all .2s;
}
.ctx-clear-btn:hover {
  background: rgba(239,68,68,.1); color: #ef4444;
}

.ctx-list-container {
  overflow-y: auto;
  display: flex; flex-direction: column; gap: 12px;
}

/* 空状态 */
.ctx-empty-state {
  text-align: center; padding: 50px 20px;
  color: rgba(255,255,255,.2);
}
.ctx-empty-state > i {
  font-size: 36px; margin-bottom: 14px;
  display: block; opacity: .6;
}
.ctx-empty-state p {
  margin: 0 0 6px; font-size: 14px;
  color: rgba(255,255,255,.35);
}
.ctx-empty-state span { font-size: 12px; }

/* 上下文卡片 */
.ctx-card {
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(0,223,216,.08);
  border-radius: 12px; padding: 16px;
  transition: all .3s ease;
  animation: ctxCardIn .35s ease forwards;
  animation-delay: calc(var(--i,0) * .07s);
  opacity: 0;
}
@keyframes ctxCardIn {
  from { opacity: 0; transform: translateY(12px) scale(.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.ctx-card:hover {
  background: rgba(255,255,255,.06);
  border-color: rgba(0,223,216,.22);
  box-shadow: 0 6px 24px rgba(0,223,216,.06);
  transform: translateY(-2px);
}

.ctx-card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.ctx-card-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: #00dfd8;
  font-weight: 600; letter-spacing: .5px;
}
.ctx-card-title i { font-size: 12px; opacity: .8; }

.ctx-card-actions { display: flex; gap: 6px; }
.ctx-card-actions button {
  background: transparent; border: none;
  color: rgba(255,255,255,.35);
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 11px;
  transition: all .2s;
}
.ctx-card-actions button:hover {
  background: rgba(255,255,255,.08); color: #fff;
}

.ctx-card-preview {
  font-size: 12px; color: rgba(255,255,255,.4);
  line-height: 1.6; margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ctx-card-meta {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px; color: rgba(255,255,255,.22);
}
.ctx-source-tag {
  background: rgba(0,223,216,.08);
  color: rgba(0,223,216,.65);
  padding: 2px 8px; border-radius: 4px;
  font-size: 10px; letter-spacing: .5px;
}

/* ═══════════════════════════════════════════════
   浏览模态框 — 独立层级与动画（修复版）
   ═══════════════════════════════════════════════ */
/* 不使用 .modal 类，避免继承全局 opacity:0 与 z-index:1000 */
.star-context-browse-modal {
  position: fixed;
  inset: 0;
  z-index: 100000 !important;          /* 必须高于侧滑面板 99990 */
  display: none;                        /* 默认隐藏 */
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.3s ease;
  overflow: auto;
  padding: 40px 20px;
}

/* 打开状态：显示 + 不透明 */
.star-context-browse-modal.open {
  display: flex !important;
  opacity: 1;
}

/* 内容卡片：带弹性入场动画 */
.star-context-browse-modal .modal-content {
  position: relative;
  max-width: 720px;
  width: 100%;
  max-height: 82vh;
  background: linear-gradient(180deg, #0d1620 0%, #080c14 100%);
  border: 1px solid rgba(0, 223, 216, 0.12);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  padding: 28px 32px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
  transform: scale(0.94) translateY(16px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.35s ease;
  margin: auto;                         /* 确保垂直居中兜底 */
}

.star-context-browse-modal.open .modal-content {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* 关闭按钮：绝对定位，覆盖全局 float:right */
.star-context-browse-modal .close-button {
  float: none;
  position: absolute;
  right: 18px;
  top: 14px;
  font-size: 26px;
  color: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.25s ease;
  z-index: 2;
  line-height: 1;
  user-select: none;
}

.star-context-browse-modal .close-button:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  transform: rotate(90deg);
}

.ctx-browse-title {
  font-family: 'Cinzel','Noto Serif SC',serif;
  color: #00dfd8; font-size: 18px;
  margin-bottom: 16px; padding-bottom: 14px;
  border-bottom: 1px solid rgba(0,223,216,.08);
  display: flex; align-items: center; gap: 10px;
}
.ctx-browse-body {
  max-height: 58vh; overflow-y: auto;
  color: #ddd; font-size: 14px; line-height: 1.85;
  font-family: 'Noto Serif SC',serif;
  padding-right: 8px;
}
.ctx-browse-body::-webkit-scrollbar { width: 5px; }
.ctx-browse-body::-webkit-scrollbar-thumb {
  background: rgba(0,223,216,.15); border-radius: 4px;
}
.ctx-browse-body h1,.ctx-browse-body h2,.ctx-browse-body h3 {
  color: #00dfd8; font-family: 'Cinzel','Noto Serif SC',serif;
  margin-top: 1.2em; margin-bottom: .6em;
}
.ctx-browse-body p { margin: .9em 0; }
.ctx-browse-body blockquote {
  border-left: 3px solid rgba(0,223,216,.35);
  padding-left: 18px; margin-left: 0;
  color: rgba(255,255,255,.7); font-style: italic;
}
.ctx-browse-body code {
  background: rgba(0,223,216,.08);
  padding: 2px 6px; border-radius: 4px;
  font-family: monospace; font-size: 13px;
}
.ctx-browse-body pre {
  background: rgba(0,0,0,.25);
  padding: 14px; border-radius: 8px;
  overflow-x: auto;
}

/* ── 画布节点上下文按钮 ── */
.ctx-canvas-btn {
    position: absolute;
    top: 5px;
    right: 34px;            /* 删除按钮左侧 */
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(0, 124, 240, 0.1);    /* 蓝色基调 */
    border: 1.5px solid rgba(0, 124, 240, 0.35);
    color: #007cf0;                         /* 蓝色星标 */
    font-size: 11px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 10;
    padding: 0;
    opacity: 0;             /* 默认隐藏，与删除按钮行为一致 */
}

/* 鼠标悬停节点时显示 */
.thought-node:hover .ctx-canvas-btn {
    opacity: 1;
}

.ctx-canvas-btn:hover {
    background: rgba(0, 124, 240, 0.22);
    border-color: rgba(0, 124, 240, 0.6);
    box-shadow: 0 0 16px rgba(0, 124, 240, 0.25);
    transform: scale(1.15);
}

.ctx-canvas-btn:active {
    transform: scale(0.95);
}

/* 点击后的瞬时反馈（非持久状态） */
.ctx-canvas-btn.just-added {
    animation: ctxAddedPulse 0.6s ease;
}

@keyframes ctxAddedPulse {
    0% { transform: scale(1); box-shadow: 0 0 0 rgba(0, 124, 240, 0); }
    50% { transform: scale(1.25); box-shadow: 0 0 20px rgba(0, 124, 240, 0.4); }
    100% { transform: scale(1); box-shadow: 0 0 0 rgba(0, 124, 240, 0); }
}

/* 移动端适配：按钮始终可见，与删除按钮保持一致 */
@media (max-width: 768px) {
    .ctx-canvas-btn {
        opacity: 0.6;
        width: 28px;
        height: 28px;
        right: 38px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .ctx-canvas-btn {
        right: 36px;
        width: 26px;
        height: 26px;
        font-size: 11px;
    }
}

/* ── Toast ── */
.ctx-toast {
  position: fixed;
  bottom: 50px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(0,223,216,.12);
  border: 1px solid rgba(0,223,216,.3);
  color: #00dfd8;
  padding: 13px 28px;
  border-radius: 50px;
  font-size: 14px;
  font-family: 'Noto Serif SC',serif;
  backdrop-filter: blur(12px);
  z-index: 999999;
  opacity: 0;
  transition: all .35s ease;
  pointer-events: none;
  white-space: nowrap;
  letter-spacing: 1px;
  box-shadow: 0 8px 32px rgba(0,0,0,.3);
}
.ctx-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.ctx-toast i { margin-right: 8px; }

/* ── 响应式 ── */
@media (max-width: 768px) {
  .star-context-sheet { width: 100%; max-width: 100%; }
  .star-context-body { padding: 18px; }
}