:root {
  --bg: #0e0f12;
  --bg-sidebar: #151619;
  --bg-elevated: #1b1c20;
  --bg-input: #222327;
  --border: #2a2b30;
  --text: #ececec;
  --text-dim: #9a9ba0;
  --accent: #10a37f;
  --accent-hover: #0d8a6b;
  --danger: #e05252;
  --warning: #d9a441;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

#app { height: 100%; }

.screen { height: 100%; }
.screen[hidden] { display: none !important; }

/* ---------- Login screen ---------- */

#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
}

#login-form {
  width: 320px;
  max-width: calc(100vw - 32px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 32px 28px;
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: 12px;
}

#login-form h1 {
  font-size: 20px;
  margin: 0 0 8px;
  text-align: center;
}

#login-form input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
}

#login-form button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
}
#login-form button:hover { background: var(--accent-hover); }

.error { color: var(--danger); font-size: 13px; margin: 0; }

/* ---------- Main layout ---------- */

#main-screen {
  display: flex;
  height: 100%;
}

#sidebar {
  width: 260px;
  flex: none;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 12px;
  gap: 8px;
}

#new-chat-btn {
  width: 100%;
  padding: 10px 12px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  font-size: 14px;
}
#new-chat-btn:hover { background: var(--bg-elevated); }

#session-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 4px;
}

.session-item {
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.session-item:hover { background: var(--bg-elevated); }
.session-item.active { background: var(--bg-elevated); color: var(--text); }

#sidebar-footer {
  border-top: 1px solid var(--border);
  padding-top: 10px;
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

#balance-display span { color: var(--text); }

#logout-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
}
#logout-btn:hover { color: var(--text); }

/* ---------- Chat main ---------- */

#chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  position: relative;
}

#thread {
  flex: 1;
  overflow-y: auto;
  padding: 24px 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#thread .empty-hint {
  margin: auto;
  color: var(--text-dim);
  text-align: center;
  max-width: 420px;
  font-size: 14px;
  line-height: 1.5;
}

.msg {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
}

.msg-user { align-items: flex-end; }
.msg-user .bubble {
  background: var(--accent);
  color: #fff;
  border-radius: 14px 14px 2px 14px;
  padding: 10px 14px;
  max-width: 80%;
}

.msg-status .bubble {
  color: var(--text-dim);
  font-size: 13px;
  font-style: italic;
}

.msg-error .bubble { color: var(--danger); font-size: 13px; }

.thumb-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.thumb-row img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}

/* Candidate cards grid */
#thread .candidates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
}

.candidate-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.candidate-image {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 12px;
  overflow: hidden;
}
.candidate-image img { width: 100%; height: 100%; object-fit: cover; display: block; }

.candidate-body {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.candidate-title {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  max-height: 2.6em;
  overflow: hidden;
}

.candidate-status {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  width: fit-content;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.candidate-status.pending { background: #2a2b30; color: var(--text-dim); }
.candidate-status.approved { background: rgba(16,163,127,0.18); color: var(--accent); }
.candidate-status.rejected { background: rgba(224,82,82,0.15); color: var(--danger); }

.candidate-shop-results { font-size: 11px; color: var(--text-dim); display: flex; flex-direction: column; gap: 2px; }
.shop-result-success { color: var(--accent); }
.shop-result-blocked, .shop-result-failed { color: var(--danger); }

.candidate-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.candidate-actions button {
  flex: 1;
  min-width: 64px;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
}
.candidate-actions button:hover { background: #2a2b30; }
.candidate-actions button.approve { border-color: var(--accent); color: var(--accent); }
.candidate-actions button.reject { border-color: var(--danger); color: var(--danger); }

.regenerate-row { display: flex; gap: 6px; }
.regenerate-row input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 12px;
}

/* ---------- Publish bar ---------- */

#publish-bar {
  display: flex;
  gap: 10px;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-sidebar);
  justify-content: center;
  flex-wrap: wrap;
}

#publish-bar button {
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  font-size: 13px;
  cursor: pointer;
}
#publish-btn { background: var(--accent); color: #fff; }
#publish-btn:hover { background: var(--accent-hover); }
#resubmit-btn { background: transparent; border: 1px solid var(--warning); color: var(--warning); }

/* ---------- Composer ---------- */

#composer {
  border-top: 1px solid var(--border);
  padding: 12px 16px 16px;
  background: var(--bg);
}

#composer-images {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  max-width: 720px;
  margin: 0 auto 8px;
}

.preview-thumb {
  position: relative;
  width: 56px;
  height: 56px;
}
.preview-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.preview-thumb button {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: none;
  background: var(--danger);
  color: #fff;
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
}

#composer-row {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 8px 10px;
}

#composer-row button {
  flex: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  font-size: 13px;
}
#composer-row button:hover { color: var(--text); }

#composer-text {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 14px;
  resize: none;
  max-height: 140px;
  padding: 6px 4px;
  font-family: inherit;
}
#composer-text:focus { outline: none; }

#send-btn { background: var(--accent) !important; color: #fff !important; border-color: var(--accent) !important; }
#send-btn:hover { background: var(--accent-hover) !important; }

#shops-btn.has-selection { color: var(--accent); border-color: var(--accent); }

/* ---------- Shops panel ---------- */

#shops-panel {
  position: absolute;
  right: 16px;
  bottom: 84px;
  width: 300px;
  max-width: calc(100vw - 32px);
  max-height: 60vh;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

#shops-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
#shops-panel-header button {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 14px;
}

#shops-list {
  overflow-y: auto;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.shop-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 4px 0;
  cursor: pointer;
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  #main-screen { flex-direction: column; }
  #sidebar {
    width: 100%;
    height: auto;
    max-height: 40vh;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  #shops-panel { right: 8px; left: 8px; width: auto; }
}