/* Advisor Chat page styles — builds on theme.css + app.css tokens */

/* ======== LAYOUT ======== */
.advisor-main {
  padding-top: 72px;
  padding-bottom: 24px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.advisor-container {
  max-width: 760px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.advisor-header {
  text-align: center;
  margin-bottom: 20px;
}

.advisor-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.advisor-sub {
  font-size: 0.88rem;
  color: var(--fg-dim);
  line-height: 1.6;
  max-width: 540px;
  margin: 0 auto;
}

/* ======== ENGINE STATUS ======== */
.engine-status {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 16px;
}

.engine-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.engine-status-row span {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--fg-dim);
}

.engine-status-ready .engine-status-row span { color: var(--success); }
.engine-status-error .engine-status-row span { color: var(--danger); }
.engine-status-generating .engine-status-row span { color: var(--accent); }

.engine-progress {
  margin-top: 10px;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.engine-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #33dfff);
  border-radius: 2px;
  transition: width 0.3s ease;
}

/* ======== CHAT CONTAINER ======== */
.chat-container {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 400px;
  max-height: 60vh;
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Scrollbar */
.chat-messages::-webkit-scrollbar { width: 6px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}
.chat-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ======== CHAT BUBBLES ======== */
.chat-bubble {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  max-width: 85%;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-user { align-self: flex-end; flex-direction: row-reverse; }
.chat-assistant { align-self: flex-start; }

.chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.chat-avatar-user {
  background: rgba(0, 212, 255, 0.15);
}

.chat-avatar-assistant {
  background: rgba(0, 230, 118, 0.15);
}

.chat-body {
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.88rem;
  color: var(--fg);
  line-height: 1.65;
  word-break: break-word;
}

.chat-user .chat-body {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.15);
}

.chat-body strong { color: #fff; }
.chat-body em { color: var(--fg-dim); font-style: italic; }

/* Inline code */
.chat-inline-code {
  background: rgba(0, 212, 255, 0.08);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.82em;
}

/* Code block */
.chat-code-block {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin: 8px 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--fg-dim);
}

/* Chat table */
.chat-table-wrap {
  overflow-x: auto;
  margin: 8px 0;
}

.chat-table {
  border-collapse: collapse;
  font-size: 0.8rem;
  width: 100%;
}

.chat-table th,
.chat-table td {
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
}

.chat-table th {
  background: rgba(0, 212, 255, 0.06);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.75rem;
}

.chat-table td { color: var(--fg-dim); }

/* System messages */
.chat-system {
  text-align: center;
  font-size: 0.78rem;
  color: var(--fg-muted);
  padding: 4px 12px;
  font-family: var(--font-mono);
}

/* ======== ERROR BUBBLE ======== */
.chat-error { align-self: flex-start; }

.chat-avatar-error {
  background: rgba(255, 82, 82, 0.15);
}

.chat-body-error {
  background: rgba(255, 82, 82, 0.08);
  border: 1px solid rgba(255, 82, 82, 0.25);
  color: #ff8a80;
}

.chat-retry-btn {
  display: inline-flex;
  align-items: center;
  margin-top: 10px;
  padding: 6px 14px;
  background: rgba(255, 82, 82, 0.12);
  border: 1px solid rgba(255, 82, 82, 0.3);
  color: #ff8a80;
  font-family: var(--font-body);
  font-size: 0.78rem;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.15s;
}

.chat-retry-btn:hover {
  background: rgba(255, 82, 82, 0.22);
  border-color: #ff5252;
  color: #fff;
}

/* ======== PRESET BUTTONS ======== */
.preset-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.preset-btn {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.15);
  color: var(--accent);
  font-family: var(--font-body);
  font-size: 0.78rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.preset-btn:hover {
  background: rgba(0, 212, 255, 0.12);
  border-color: var(--accent);
}

/* ======== INPUT AREA ======== */
.chat-input-wrap {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--bg-elevated);
  border-radius: 0 0 var(--radius) var(--radius);
}

.chat-input {
  flex: 1;
  resize: none;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.5;
  min-height: 42px;
  max-height: 120px;
  outline: none;
  transition: border-color 0.15s;
}

.chat-input:focus {
  border-color: rgba(0, 212, 255, 0.4);
}

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

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

.chat-send-btn {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--bg);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s;
}

.chat-send-btn:hover:not(:disabled) {
  background: #33dfff;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.chat-send-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ======== BACKEND INDICATOR ======== */
.backend-indicator {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-align: center;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  transition: all 0.3s ease;
  min-height: 0;
}

.backend-indicator:empty { display: none; }

.backend-local {
  color: var(--success);
  background: rgba(0, 230, 118, 0.06);
  border: 1px solid rgba(0, 230, 118, 0.15);
}

.backend-server {
  color: #64b5f6;
  background: rgba(100, 181, 246, 0.06);
  border: 1px solid rgba(100, 181, 246, 0.15);
}

.backend-busy {
  color: #ffb74d;
  background: rgba(255, 183, 77, 0.06);
  border: 1px solid rgba(255, 183, 77, 0.15);
}

.backend-detail {
  font-size: 0.72rem;
  color: var(--fg-muted);
  text-align: center;
  margin-bottom: 10px;
  line-height: 1.5;
  padding: 0 12px;
}

/* ======== INFO FOOTER ======== */
.advisor-info {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.advisor-info-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--fg-muted);
}

/* ======== RESPONSIVE ======== */
@media (max-width: 640px) {
  .chat-container {
    max-height: 55vh;
  }

  .chat-bubble {
    max-width: 92%;
  }

  .preset-wrap {
    gap: 6px;
  }

  .preset-btn {
    font-size: 0.72rem;
    padding: 6px 10px;
  }

  .advisor-info {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
}