/* ========================================================================
   Mobile App Shell Constraints & Overrides
   ======================================================================== */

.mobile-app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  width: 100vw;
  max-width: 600px;
  margin: 0 auto;
  background: #f8fafc;
  overflow: hidden;
  position: relative;
  box-shadow: 0 0 20px rgba(0,0,0,0.05); /* Soft border for desktop view */
}

/* --- Top Bar --- */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
  padding: 0 var(--space-lg);
  background: white;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  z-index: 10;
  flex-shrink: 0;
}

.logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 18px; color: var(--color-text-primary); }
.avatar-btn { background: none; border: none; padding: 0; cursor: pointer; }
.avatar-circle {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--color-primary-light); color: var(--color-primary-dark);
  display: flex; justify-content: center; align-items: center;
  font-weight: 700; border: 2px solid white; box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.fullscreen-btn {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary-light);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s;
  margin-right: 12px;
}

.fullscreen-btn:active, .fullscreen-btn:hover {
  background: var(--color-primary-light);
}

.main-content {
  flex: 1; overflow-y: auto; overflow-x: hidden;
  -webkit-overflow-scrolling: touch; padding-bottom: 140px; /* Room for pill */
}

/* --- Capsule Bottom Navigation (Pill Style) --- */
.pill-nav-container {
  position: fixed;
  bottom: calc(24px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 50;
  pointer-events: none; /* Touches pass through to main content */
}

.pill-nav {
  pointer-events: auto; /* Re-enable touch for the nav itself */
  display: flex;
  align-items: stretch;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 100px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.08), inset 0 1px 1px rgba(255,255,255,1);
  padding: 6px;
  border: 1px solid rgba(255,255,255,0.6);
  width: calc(100% - 64px);
  max-width: 340px;
  gap: 8px;
}

.pill-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: 50px;
  padding: 10px 0;
  transition: all 0.2s;
}

.pill-item:active { background: rgba(0,0,0,0.05); }
.pill-item.active { color: var(--color-primary-dark); font-weight: 700; background: rgba(37, 99, 235, 0.05); }
.pill-item svg { margin-bottom: 2px; }
.pill-item span { font-size: 10px; }

.pill-action {
  flex: 1.2;
  display: flex;
  justify-content: center;
  align-items: center;
}

.mic-bubble {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  width: 100%;
  height: 100%;
  color: var(--color-text-primary);
  font-weight: 800;
  font-size: 13px;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
  transition: all 0.2s;
  cursor: pointer;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.mic-bubble:active {
  background: #e2e8f0;
  transform: scale(0.96);
  box-shadow: inset 0 4px 6px rgba(0,0,0,0.05);
}

.pill-tip {
  margin-top: 8px;
  font-size: 10px;
  color: var(--color-text-tertiary);
  font-weight: 600;
  background: rgba(255,255,255,0.8);
  padding: 4px 12px;
  border-radius: 12px;
  pointer-events: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* --- Action Sheet Overlay --- */
.action-sheet-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: flex-end;
}
.action-sheet-overlay.show { opacity: 1; pointer-events: auto; }

.action-sheet-panel {
  background: white;
  width: 100%;
  border-radius: 24px 24px 0 0;
  padding: 24px;
  padding-bottom: calc(24px + env(safe-area-inset-bottom));
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.2);
  display: flex;
  flex-direction: column;
  box-shadow: 0 -10px 40px rgba(0,0,0,0.1);
}
.action-sheet-panel.show { transform: translateY(0); }

.sheet-drag-handle { width: 40px; height: 5px; border-radius: 3px; background: #cbd5e1; margin: 0 auto 24px; }

/* Recording State UI */
.rec-timer { display: flex; align-items: center; justify-content: center; gap: 12px; font-size: 48px; font-family: monospace; font-weight: 800; color: #0f172a; margin-bottom: 8px; letter-spacing: -1px; }
.red-dot { width: 14px; height: 14px; background: #ef4444; border-radius: 50%; box-shadow: 0 0 12px rgba(239, 68, 68, 0.6); }
.rec-subtitle { text-align: center; color: #64748b; font-size: 13px; margin-bottom: 32px; font-weight: 500; }
.rec-triplet-form { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; background: #f8fafc; padding: 20px; border-radius: 16px; border: 1px solid #e2e8f0; }
.form-label { font-size: 13px; font-weight: 700; color: #475569; margin-bottom: 4px; }
.rec-triplet-form input { border: 1px solid #cbd5e1; background: white; padding: 12px 14px; border-radius: 8px; font-size: 14px; outline: none; transition: all 0.2s; color: #0f172a; font-weight: 600; }
.rec-triplet-form input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); }
.stop-btn { background: #ef4444; color: white; display: flex; align-items: center; justify-content: center; gap: 8px; padding: 16px; border-radius: 16px; font-weight: 700; border: none; font-size: 16px; box-shadow: 0 8px 20px rgba(239, 68, 68, 0.3); transition: transform 0.2s; cursor: pointer; }
.stop-btn:active { transform: scale(0.96); }

@keyframes pulse { 0% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.4); opacity: 0.5; } 100% { transform: scale(1); opacity: 1; } }
.animate-pulse { animation: pulse 1.5s infinite ease-in-out; }

/* Processing / Relay Bar State */
.process-title { text-align: center; font-size: 18px; font-weight: 800; margin-bottom: 32px; color: var(--color-text-primary); }

.relay-nodes { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: var(--space-md) 0; margin-bottom: 24px; }
.agent-node { display: flex; flex-direction: column; align-items: center; position: relative; flex: 1; }
.node-icon-wrapper { width: 44px; height: 44px; border-radius: 50%; background: var(--color-bg); display: flex; align-items: center; justify-content: center; color: #94a3b8; border: 2px solid var(--color-border); position: relative; z-index: 2; transition: all 0.3s ease; }
.agent-node.active .node-icon-wrapper { border-color: var(--color-primary); background: white; color: var(--color-primary); transform: scale(1.1); box-shadow: 0 8px 16px rgba(37, 99, 235, 0.2); }
.agent-node.done .node-icon-wrapper { border-color: var(--color-success); background: var(--color-success); color: white; }
.node-name { font-size: 11px; font-weight: 700; margin-top: 12px; color: var(--color-text-secondary); text-align: center; }
.agent-node.active .node-name { color: var(--color-primary); }
.connector { position: absolute; top: 22px; left: 50%; width: 100%; height: 2px; background: var(--color-border); z-index: 1; transition: background 0.4s; }
.connector.active { background: var(--color-success); }
.pulse-ring { position: absolute; top: -6px; left: -6px; right: -6px; bottom: -6px; border-radius: 50%; border: 2px solid var(--color-primary); animation: pulse 1.5s infinite; pointer-events: none; }
.cost-hint { font-size: 12px; color: var(--color-text-tertiary); font-weight: 600; }

/* --- Billing & Profile Modal Overrides --- */
.modal-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); backdrop-filter: blur(4px); z-index: 200; display: flex; justify-content: center; align-items: center; padding: var(--space-lg); opacity: 0; pointer-events: none; transition: opacity 0.3s; }
.modal-overlay.show { opacity: 1; pointer-events: auto; }
.billing-modal { background: white; border-radius: var(--radius-lg); width: 100%; max-width: 400px; box-shadow: var(--shadow-lg); transform: translateY(20px); transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); display: flex; flex-direction: column; max-height: 90vh; }
.modal-overlay.show .billing-modal { transform: translateY(0); }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: var(--space-lg); border-bottom: 1px solid var(--color-border-light); }
.modal-header.multi-tab { padding: 8px 16px; min-height: 56px; }

.tab-selectors { display: flex; gap: 4px; background: #f1f5f9; padding: 4px; border-radius: 12px; }
.modal-tab-btn { background: transparent; border: none; padding: 6px 16px; font-size: 14px; font-weight: 700; color: #64748b; border-radius: 8px; cursor: pointer; transition: all 0.2s; }
.modal-tab-btn.active { background: white; color: var(--color-primary-dark); box-shadow: 0 2px 4px rgba(0,0,0,0.05); }

.header-titles h3 { margin: 0; font-size: var(--text-lg); font-weight: 800; color: var(--color-text-primary); }
.badge-pro { background: linear-gradient(135deg, #f59e0b, #d97706); color: white; font-size: 10px; padding: 2px 6px; border-radius: 4px; font-weight: 800; margin-top: 4px; display: inline-block; }
.close-btn { background: none; border: none; font-size: 24px; color: var(--color-text-tertiary); cursor: pointer; display: flex; }
.modal-body { padding: var(--space-xl) var(--space-lg); overflow-y: auto; }
.points-card { text-align: center; margin-bottom: var(--space-xl); padding: var(--space-lg); background: #f8fafc; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
.points-card .subtitle { font-size: var(--text-sm); color: var(--color-text-secondary); font-weight: 600; }
.points-card .points-val { font-size: 36px; font-weight: 800; color: var(--color-primary-dark); margin-top: 8px; letter-spacing: -1px; }
.quota-blocks { margin-bottom: var(--space-xl); }
.progress-bar { height: 10px; background: #e2e8f0; border-radius: 5px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--color-success); border-radius: 5px; }
.free-quota { font-size: 12px; color: var(--color-text-secondary); text-align: center; font-weight: 600; }
.modal-actions { display: flex; gap: var(--space-md); flex-shrink: 0; }

/* Profile Form Elements */
.profile-body { padding: 20px 24px; }
.profile-form-group { margin-bottom: 20px; }
.profile-form-group label { display: block; font-size: 13px; font-weight: 700; color: #475569; margin-bottom: 8px; }
.profile-row { display: flex; gap: 16px; }

.avatar-edit-wrapper { display: flex; align-items: center; gap: 16px; background: #f8fafc; padding: 12px; border-radius: 12px; border: 1px solid #e2e8f0; }
.avatar-large { width: 56px; height: 56px; border-radius: 50%; background: var(--color-primary-light); color: var(--color-primary-dark); display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 800; }
.avatar-hint { font-size: 12px; color: #64748b; font-weight: 500; line-height: 1.4; }

.profile-input { width: 100%; border: 1px solid #cbd5e1; background: white; padding: 10px 14px; border-radius: 8px; font-size: 14px; outline: none; transition: all 0.2s; color: #0f172a; font-weight: 600; box-sizing: border-box; }
.profile-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); }

.role-pills { display: flex; gap: 8px; background: #f1f5f9; padding: 4px; border-radius: 8px; }
.role-pill { flex: 1; border: none; padding: 8px 0; background: transparent; color: #64748b; font-size: 13px; font-weight: 700; border-radius: 6px; cursor: pointer; transition: all 0.2s; }
.role-pill.active { background: white; color: var(--color-primary-dark); box-shadow: 0 1px 3px rgba(0,0,0,0.05); }

.voice-box { border: 1px dashed #cbd5e1; border-radius: 12px; padding: 16px; background: #fafafa; }
.voice-record-btn { display: flex; align-items: center; justify-content: center; padding: 12px; background: white; border: 1px solid #e2e8f0; border-radius: 8px; font-size: 13px; font-weight: 700; color: #3b82f6; cursor: pointer; box-shadow: 0 2px 4px rgba(0,0,0,0.02); transition: all 0.2s; }
.voice-record-btn:active { transform: scale(0.98); }
.voice-recording-btn { position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; padding: 12px; background: #fee2e2; border: 1px solid #fca5a5; border-radius: 8px; font-size: 13px; font-weight: 700; color: #ef4444; cursor: pointer; transition: all 0.2s; }
.voice-recording-btn.with-progress { border-color: transparent; background: #f1f5f9; color: white; text-shadow: 0 1px 2px rgba(0,0,0,0.2); }
.progress-fill-bg { position: absolute; left: 0; top: 0; height: 100%; transition: width 0.1s linear, background-color 0.3s ease; z-index: 1; }
.content-relative { position: relative; z-index: 2; display: flex; align-items: center; justify-content: center; gap: 8px; }
.voice-ready { display: flex; align-items: center; font-size: 13px; font-weight: 600; color: #0f172a; }
.btn-text-danger { background: none; border: none; color: #ef4444; font-size: 12px; font-weight: 700; cursor: pointer; }
.voice-loading { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 13px; font-weight: 600; color: #64748b; padding: 12px; }
.spinner { width: 16px; height: 16px; border: 2px solid #cbd5e1; border-top-color: #3b82f6; border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }


/* --- Chat Specific UI (Report Page) --- */
.chat-pill-wrapper {
  position: fixed;
  bottom: calc(24px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 600px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 100px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.1), inset 0 1px 1px rgba(255,255,255,1);
  border: 1px solid rgba(0,0,0,0.05);
  padding: 8px 8px 8px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 50;
  cursor: text;
  transition: transform 0.2s;
}

.chat-pill-wrapper:active:not(.disabled-chat) { transform: translateX(-50%) scale(0.98); }

.chat-pill-wrapper.disabled-chat {
  background: var(--color-bg-tertiary);
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.8;
}

.chat-pill-wrapper.disabled-chat span.placeholder {
  color: #cbd5e1;
}

.chat-pill-wrapper.disabled-chat .send-btn-mock {
  background: #cbd5e1;
}
.chat-pill-wrapper span.placeholder {
  flex: 1;
  color: #94a3b8;
  font-size: 15px;
  font-weight: 500;
  user-select: none;
}

.send-btn-mock {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  border: none;
  box-shadow: 0 4px 10px rgba(37,99,235,0.3);
}

.chat-header {
  border-bottom: 1px solid var(--color-border); padding-bottom: 12px;
  margin-bottom: 16px; flex-shrink: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.chat-header h4 { margin: 0 0 4px 0; font-size: 16px; font-weight: 800; color: var(--color-text-primary); }
.chat-header p { margin: 0; font-size: 12px; color: var(--color-primary); font-weight: 600; background: var(--color-primary-light); padding: 2px 10px; border-radius: 12px; }

.chat-history {
  flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 16px; padding: 8px 0;
}
.chat-message { display: flex; justify-content: flex-start; gap: 8px; }
.chat-message.user { justify-content: flex-end; gap: 8px; }

.msg-avatar {
  width: 32px; height: 32px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800;
}

/* AI: 方形圆角 + 品牌蓝渐变 */
.ai-avatar {
  border-radius: 8px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: white;
}

/* 用户: 圆形 + 淡紫 */
.user-avatar {
  border-radius: 50%;
  background: #f3e8ff;
  color: #7c3aed;
}

.chat-message.user .msg-bubble { background: var(--color-primary); color: white; border-bottom-right-radius: 4px; font-weight: 600;}
.chat-message:not(.user) .msg-bubble { background: #f1f5f9; color: var(--color-text-primary); border-top-left-radius: 4px; box-shadow: 0 2px 4px rgba(0,0,0,0.03); line-height: 1.5; font-size: 13px;}
.msg-bubble { max-width: 85%; padding: 12px 16px; border-radius: 16px; font-size: 14px; word-break: break-word;}

/* 流式打字效果 */
.msg-bubble.streaming::after {
  content: '▋';
  animation: blink 1s infinite;
  color: var(--color-primary);
  margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }

.chat-input-area {
  flex-shrink: 0; display: flex; gap: 8px; align-items: center; margin-top: 16px; background: #f8fafc; padding: 6px; border-radius: 30px; border: 1px solid #e2e8f0;
}
.chat-input-area input {
  flex: 1; border: none; background: transparent; padding: 8px 16px; font-size: 14px; outline: none;
}
.chat-send-btn {
  background: var(--color-primary); color: white; border: none; width: 36px; height: 36px; border-radius: 50%; display: flex; justify-content: center; align-items: center; transition: all 0.2s;
}
.chat-send-btn:disabled { background: #cbd5e1; color: #f1f5f9; }
/* Markdown in Chat */
.markdown-body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  font-size: 15px;
  color: #1e293b;
  letter-spacing: 0.01em;
}
.markdown-body p {
  margin-bottom: 12px;
}
.markdown-body p:last-child {
  margin-bottom: 0;
}
.markdown-body strong {
  font-weight: 700;
  color: #0f172a;
}
.markdown-body ul, .markdown-body ol {
  padding-left: 24px !important;
  margin-bottom: 12px;
  margin-top: 4px;
}
.markdown-body ul {
  list-style-type: disc !important;
  list-style-position: outside !important;
}
.markdown-body ol {
  list-style-type: decimal !important;
  list-style-position: outside !important;
}
.markdown-body li {
  margin-bottom: 6px;
  display: list-item !important;
  padding-left: 4px;
}
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 {
  margin-top: 16px;
  margin-bottom: 10px;
  font-weight: 700;
  line-height: 1.3;
  color: #0f172a;
}
.markdown-body h3, .markdown-body h4 {
  font-size: 16px;
}