/* OpenAgent — Agent 兼 IDE 首页壳（暗色、克制） */

:root {
  --bg: #0f0f0f;
  --surface: #161616;
  --surface-2: #1c1c1c;
  --hover: #222222;
  --active: #2a2a2a;
  --border: #2a2a2a;
  --border-2: #3a3a3a;
  --text: #e6e6e6;
  --text-2: #9a9a9a;
  --muted: #666666;
  --inverse: #0f0f0f;

  --sidebar-w: 260px;
  --radius: 8px;
  --radius-sm: 5px;
  --font: Inter, system-ui, "Segoe UI", sans-serif;
  --t: 120ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

button,
textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

ul {
  list-style: none;
}

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  height: 100vh;
  width: 100%;
  min-width: 900px;
  min-height: 600px;
}

/* —— Sidebar —— */
.sidebar {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
}

.sidebar-head {
  padding: 12px 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-new {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text);
  font-weight: 500;
  transition: background var(--t), border-color var(--t);
}

.btn-new:hover {
  background: var(--hover);
  border-color: var(--border-2);
}

.btn-new .ico {
  font-size: 15px;
  line-height: 1;
  color: var(--text-2);
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  text-align: left;
  transition: background var(--t), color var(--t);
}

.nav-item:hover {
  background: var(--hover);
  color: var(--text);
}

.nav-item.active {
  background: var(--active);
  color: var(--text);
}

.sidebar-scroll {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 4px 8px 12px;
}

.section {
  margin-top: 10px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.icon-quiet {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  color: var(--muted);
  transition: background var(--t), color var(--t);
}

.icon-quiet:hover {
  background: var(--hover);
  color: var(--text);
}

.repo-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.repo-row {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  color: var(--text);
  text-align: left;
  font-weight: 500;
  transition: background var(--t);
}

.repo-row:hover {
  background: var(--hover);
}

.repo-row.selected {
  background: var(--active);
}

.thread-list {
  padding: 0 0 4px 8px;
}

.thread {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  text-align: left;
  transition: background var(--t), color var(--t);
}

.thread:hover {
  background: var(--hover);
  color: var(--text);
}

.thread.active {
  background: var(--active);
  color: var(--text);
}

.thread-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12.5px;
}

.thread-time {
  font-size: 11px;
  color: var(--muted);
  flex-shrink: 0;
}

.empty-note {
  padding: 4px 16px 8px;
  font-size: 12px;
  color: var(--muted);
}

.sidebar-foot {
  padding: 8px 12px 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.foot-meta {
  padding: 0 10px;
  font-size: 11px;
  color: var(--muted);
}

/* —— Main: Agent home —— */
.main {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 0;
  background: var(--bg);
  padding: 24px;
}

.agent-home {
  width: min(680px, 100%);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
}

.context-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.ctx {
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--text-2);
  font-size: 12.5px;
  transition: background var(--t), color var(--t);
}

.ctx:hover {
  background: var(--hover);
  color: var(--text);
}

.prompt-box {
  border: 1px solid var(--border-2);
  border-radius: 12px;
  background: var(--surface);
  transition: border-color var(--t);
}

.prompt-box:focus-within {
  border-color: #555;
}

.prompt-input {
  display: block;
  width: 100%;
  min-height: 88px;
  max-height: 220px;
  padding: 14px 14px 8px;
  border: none;
  outline: none;
  resize: none;
  background: transparent;
  color: var(--text);
  line-height: 1.5;
}

.prompt-input::placeholder {
  color: var(--muted);
}

.prompt-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px 10px;
}

.prompt-left,
.prompt-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.tool-btn,
.mode-btn {
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 12.5px;
  transition: background var(--t), color var(--t);
}

.tool-btn:hover,
.mode-btn:hover {
  background: var(--hover);
  color: var(--text);
}

.god-model-btn.active {
  background: var(--text);
  color: var(--inverse);
}

.send-btn {
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  background: var(--text);
  color: var(--inverse);
  font-weight: 500;
  font-size: 12.5px;
  transition: opacity var(--t);
}

.send-btn:hover {
  opacity: 0.9;
}

.chip {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-2);
  font-size: 12.5px;
  transition: background var(--t), border-color var(--t), color var(--t);
}

.chip:hover {
  background: var(--hover);
  border-color: var(--border-2);
  color: var(--text);
}

.main-hint {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  max-width: 90%;
}

.chip.active {
  background: var(--active);
  border-color: var(--border-2);
  color: var(--text);
}

/* Views */
.view {
  display: none;
  width: 100%;
  height: 100%;
  min-height: 0;
}

.view.active {
  display: flex;
  flex-direction: column;
}

#view-home.active {
  align-items: center;
  justify-content: center;
  position: relative;
}

.panel-view {
  width: min(560px, 100%);
  margin: 0 auto;
  justify-content: flex-start;
  padding-top: 48px;
  gap: 10px;
}

.panel-view h2 {
  font-size: 18px;
  font-weight: 600;
}

.panel-view h3 {
  font-size: 14px;
  font-weight: 600;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.panel-head .send-btn,
.panel-head .text-btn {
  flex-shrink: 0;
  margin-top: 2px;
}

.panel-note {
  color: var(--muted);
  font-size: 12.5px;
  margin-bottom: 6px;
}

.field-input {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  outline: none;
  color: var(--text);
  transition: border-color var(--t);
}

.field-input:focus {
  border-color: var(--border-2);
}

.result-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 4px;
}

.result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  text-align: left;
  cursor: pointer;
  transition: background var(--t), color var(--t);
}

.result-item:hover,
.result-item.selected {
  background: var(--active);
  color: var(--text);
}

.result-item .badge {
  font-size: 11px;
  color: var(--muted);
}

.kv {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 8px 14px;
  margin-top: 8px;
  font-size: 13px;
}

.kv dt {
  color: var(--muted);
}

.kv dd {
  color: var(--text);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 12px;
}

.settings-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 4px;
}

.settings-form label {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.settings-form label span {
  font-size: 12px;
  color: var(--muted);
}

.settings-form .send-btn {
  align-self: flex-start;
  margin-top: 4px;
}

.provider-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.provider-form[hidden] {
  display: none;
}

.provider-form label {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.provider-form label span {
  font-size: 12px;
  color: var(--muted);
}

.req {
  font-style: normal;
  color: var(--text-2);
  margin-left: 4px;
}

.field-hint {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: -4px;
}

.model-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.model-row .grow {
  flex: 1;
  min-width: 0;
}

.btn-secondary {
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text);
  white-space: nowrap;
  transition: background var(--t), border-color var(--t);
}

.btn-secondary:hover {
  background: var(--hover);
  border-color: var(--border-2);
}

.btn-secondary:disabled {
  opacity: 0.45;
  cursor: default;
}

.form-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.result-item .sub {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}

.result-item .item-main {
  min-width: 0;
  text-align: left;
}

select.field-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 16 16' fill='none' stroke='%23666666' stroke-width='1.5'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

/* Dropdown */
.dropdown {
  position: relative;
}

.menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 140px;
  padding: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
  z-index: 30;
}

.menu.menu-up {
  top: auto;
  bottom: calc(100% + 4px);
  left: 0;
  transform: none;
}

.dropdown.open .menu {
  display: block;
}

.menu button {
  display: block;
  width: 100%;
  padding: 7px 9px;
  border-radius: 4px;
  color: var(--text-2);
  text-align: left;
  transition: background var(--t), color var(--t);
}

.menu button:hover,
.menu button[aria-selected="true"] {
  background: var(--active);
  color: var(--text);
}

.context-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 12px 0;
}

.context-chips[hidden] {
  display: none;
}

.ctx-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 11.5px;
  color: var(--text-2);
}

.ctx-chip button {
  color: var(--muted);
  line-height: 1;
  padding: 0 2px;
}

.ctx-chip button:hover {
  color: var(--text);
}

/* Session */
#view-session.active {
  max-width: 820px;
  margin: 0 auto;
  padding: 0;
  height: 100%;
}

.session-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 4px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.session-title {
  flex: 1;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-meta {
  font-size: 12px;
  color: var(--muted);
}

.text-btn {
  color: var(--text-2);
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  transition: background var(--t), color var(--t);
}

.text-btn:hover {
  background: var(--hover);
  color: var(--text);
}

.session-stream {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 16px 4px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.log-line {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 10px;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 12px;
  line-height: 1.45;
}

.log-line .ts {
  color: var(--muted);
}

.log-line .body {
  min-width: 0;
  color: var(--text-2);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.log-line.user .body {
  color: var(--text);
}

.log-line.running .body {
  color: var(--text);
}

.tag {
  display: inline-block;
  margin-right: 6px;
  padding: 0 4px;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--muted);
  font-size: 10px;
}

.session-compose {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  padding: 12px 0 4px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.session-compose textarea {
  flex: 1;
  min-height: 56px;
  max-height: 140px;
  resize: vertical;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  outline: none;
  color: var(--text);
}

.session-compose textarea:focus {
  border-color: var(--border-2);
}

.session-compose .send-btn {
  height: 34px;
}

.main.align-start {
  align-items: stretch;
  justify-content: flex-start;
  padding: 16px 28px 20px;
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  padding: 8px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 12.5px;
  z-index: 50;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.toast[hidden] {
  display: none;
}

.sidebar-scroll::-webkit-scrollbar,
.session-stream::-webkit-scrollbar {
  width: 8px;
}

.sidebar-scroll::-webkit-scrollbar-thumb,
.session-stream::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.sidebar-scroll::-webkit-scrollbar-track,
.session-stream::-webkit-scrollbar-track {
  background: transparent;
}

@media (max-width: 1100px) {
  :root {
    --sidebar-w: 230px;
  }

  .agent-home {
    width: min(560px, 100%);
  }
}

/* Accessibility */
:focus-visible {
  outline: 2px solid #7a7a7a;
  outline-offset: 1px;
}

.prompt-input:focus-visible,
.field-input:focus-visible,
.session-compose textarea:focus-visible {
  outline: none;
}

.field-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}

/* Brand / gear */
.brand { display: flex; align-items: center; gap: 8px; padding: 2px 4px 6px; font-weight: 600; font-size: 14px; }
.brand img { width: 22px; height: 22px; }
.nav-item .gear { width: 15px; height: 15px; margin-right: 8px; flex-shrink: 0; transition: transform 240ms ease; }
.nav-item:hover .gear { transform: rotate(45deg); }

/* Click feedback */
button { position: relative; overflow: hidden; }
button:not(:disabled):active { transform: scale(0.97); }
.ripple { position: absolute; border-radius: 50%; background: rgba(255, 255, 255, 0.2); transform: scale(0); animation: ripple 520ms ease-out forwards; pointer-events: none; }
.send-btn .ripple, .god-model-btn.active .ripple { background: rgba(0, 0, 0, 0.2); }
@keyframes ripple { to { transform: scale(1); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .ripple { display: none; } }

/* Providers (CCS style) */
.preset-row { display: flex; flex-wrap: wrap; gap: 6px; }
.preset-row[hidden] { display: none; }
.key-row { display: flex; gap: 8px; }
.key-row .field-input { flex: 1; }
.model-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.provider-card { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 10px; border-radius: var(--radius-sm); color: var(--text-2); transition: background var(--t), color var(--t); }
.provider-card:hover, .provider-card.selected { background: var(--active); color: var(--text); }
.provider-card .item-main { min-width: 0; }
.provider-card .sub { display: block; margin-top: 2px; font-size: 11px; color: var(--muted); }
.provider-card .badge { font-size: 11px; color: var(--muted); padding: 0 4px; }
.card-actions { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.mini { padding: 3px 8px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 11.5px; color: var(--text-2); }
.mini:hover { background: var(--hover); color: var(--text); border-color: var(--border-2); }

/* "+" menu with icons */
.menu-icons { min-width: 176px; }
.menu-icons button { display: flex; align-items: center; gap: 10px; }
.menu-icons svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--muted); transition: color var(--t); }
.menu-icons button:hover svg { color: var(--text); }