/* public/assets/css/social_office/p2p-chat.css */
.chat-wrapper { 
    --primary: #6366f1; --secondary: #a855f7; --success: #10b981; --warning: #f59e0b; --danger: #ef4444;
    --bg: #ffffff; --card: #f8fafc; --text-main: #0f172a; --text-sub: #64748b;
    --border: #e2e8f0; --shadow: 0 10px 25px -5px rgba(0,0,0,0.05);
    width: 100%; max-width: 1100px; margin: 0 auto;
    background: var(--bg); border-radius: 20px; overflow: hidden; 
    border: 1px solid var(--border); box-shadow: var(--shadow);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: var(--text-main);
    display: flex; flex-direction: column;
}
.chat-wrapper *, .chat-wrapper *::before, .chat-wrapper *::after { box-sizing: border-box; }

.chat-header { padding: 24px; text-align: center; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.chat-title { margin: 0 0 10px 0; font-size: 1.7rem; font-weight: 800; color: var(--text-main); }
.chat-subtitle { margin: 0 auto; max-width: 800px; font-size: 0.95rem; color: var(--text-sub); line-height: 1.6; }
.chat-workspace { padding: 24px; flex: 1; display: flex; flex-direction: column; min-height: 0; }

/* PC 布局 */
.chat-layout { display: flex; gap: 24px; align-items: stretch; height: 75vh; min-height: 650px; max-height: 900px; flex: 1; }

.chat-sys-panel { 
    width: 340px; flex-shrink: 0; background: #0f172a; border-radius: 16px; border: 2px solid #1e293b; 
    padding: 24px; display: flex; flex-direction: column; gap: 16px; box-shadow: inset 0 5px 20px rgba(0,0,0,0.5); overflow-y: auto; 
}
.chat-sys-panel::-webkit-scrollbar { width: 4px; }
.chat-sys-panel::-webkit-scrollbar-thumb { background: #334155; border-radius: 4px; }

.chat-panel-title { font-size: 1.05rem; font-weight: 800; color: #cbd5e1; text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 2px solid #334155; padding-bottom: 12px; font-family: monospace; margin-bottom: 0; }

.id-display-card { background: #1e293b; border-radius: 12px; padding: 20px; text-align: center; border: 1px solid #334155; }
.id-label { font-size: 12px; color: #94a3b8; letter-spacing: 1px; margin-bottom: 12px; font-weight: bold; }
.id-number { font-size: 42px; font-weight: 900; color: #6366f1; font-family: 'Consolas', monospace; letter-spacing: 8px; text-shadow: 0 2px 10px rgba(99, 102, 241, 0.3); line-height: 1;}

/* 【新增】：PC端专属二维码框样式 */
.pc-qr-box { display: flex; justify-content: center; background: white; padding: 10px; border-radius: 12px; margin: 0 auto 15px; width: fit-content; min-height: 130px; align-items: center; }
/* 【新增】：PC端默认隐藏扫码按钮，让复制按钮铺满 */
.mobile-qr-btn { display: none !important; }

.id-actions { display: flex; gap: 10px; margin-top: 15px; }
.id-actions .btn { flex: 1; border-radius: 8px; }

.dial-card { background: #1e293b; border-radius: 12px; padding: 20px; text-align: center; border: 1px solid #334155; }
.qr-label { font-size: 13px; color: #cbd5e1; margin-bottom: 15px; font-weight: 600; }
.dial-input { width: 100%; padding: 14px; border-radius: 8px; border: 2px solid #334155; font-size: 20px; text-align: center; font-family: 'Consolas', monospace; font-weight: 900; color: #f8fafc; background: #0f172a; outline: none; transition: 0.2s; letter-spacing: 4px; }
.dial-input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15); }
.btn-connect-action { width: 100%; margin-top: 15px; font-size: 16px; padding: 12px; border-radius: 8px; }

.connection-status-card { display: flex; align-items: center; gap: 10px; background: #1e293b; border-radius: 8px; padding: 12px 16px; border: 1px solid #334155; font-size: 13px; color: #cbd5e1; font-weight: 600; margin-top: auto; flex-wrap: wrap; }
.status-dot { width: 10px; height: 10px; border-radius: 50%; background: #64748b; flex-shrink: 0; }
.status-dot.active { background: var(--success); box-shadow: 0 0 8px var(--success); animation: pulse 2s infinite; }

/* 右侧聊天区：防溢出关键修复 */
.chat-msg-panel { flex: 1; background: var(--card); border-radius: 16px; border: 1px solid var(--border); padding: 20px; display: flex; flex-direction: column; gap: 16px; min-width: 0; min-height: 0; overflow: hidden; }
.chat-msg-panel .chat-panel-title { color: var(--text-main); border-bottom-color: var(--border); flex-shrink: 0; }

.msg-container { flex: 1; background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 16px; overflow-y: auto; display: flex; flex-direction: column; gap: 16px; min-height: 0; }
.msg-container::-webkit-scrollbar { width: 6px; }
.msg-container::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 10px; }

.msg-row { display: flex; width: 100%; flex-direction: column; flex-shrink: 0; }
.msg-row.me { align-items: flex-end; }
.msg-row.peer { align-items: flex-start; }
.msg-bubble { max-width: 80%; padding: 12px 16px; border-radius: 16px; font-size: 14px; line-height: 1.5; word-wrap: break-word; white-space: pre-wrap; box-shadow: 0 2px 5px rgba(0,0,0,0.05); }
.msg-row.me .msg-bubble { background: var(--primary); color: white; border-bottom-right-radius: 4px; }
.msg-row.peer .msg-bubble { background: #e2e8f0; color: #0f172a; border-bottom-left-radius: 4px; }
[data-theme="dark"] .msg-row.peer .msg-bubble { background: #334155; color: #f8fafc; }
.msg-time { font-size: 11px; color: var(--text-sub); margin-top: 4px; }
.msg-sys { text-align: center; font-size: 12px; color: var(--warning); background: rgba(245, 158, 11, 0.1); padding: 6px 12px; border-radius: 20px; align-self: center; font-weight: 600; margin: 10px 0; flex-shrink: 0; }

.msg-bubble.is-image { padding: 4px; background: transparent !important; box-shadow: none; }
.msg-image { max-width: 100%; max-height: 250px; border-radius: 12px; cursor: pointer; display: block; border: 2px solid var(--border); transition: transform 0.2s, box-shadow 0.2s; background: var(--bg); }
.msg-image:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
[data-theme="dark"] .msg-image { border-color: #334155; }

/* 输入区：强制不被挤压 */
.msg-input-area { display: flex; gap: 12px; align-items: flex-end; flex-shrink: 0; }
.msg-input { flex: 1; height: 50px; max-height: 120px; min-height: 50px; padding: 12px 16px; border-radius: 12px; border: 1px solid var(--border); background: var(--bg); color: var(--text-main); font-size: 14px; font-family: inherit; resize: vertical; outline: none; transition: 0.2s; }
.msg-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15); }
.msg-input:disabled { background: var(--border); cursor: not-allowed; }
.send-btn { height: 50px; width: 50px; flex-shrink: 0; border-radius: 12px; font-size: 18px; display: flex; align-items: center; justify-content: center; }
.send-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.8); z-index: 99999; display: none; align-items: center; justify-content: center; backdrop-filter: blur(8px); }
.modal-box { background: var(--card); padding: 30px; border-radius: 24px; text-align: center; width: 85%; max-width: 340px; box-shadow: 0 20px 40px rgba(0,0,0,0.5); border: 1px solid var(--border); }
.ringing-animation { font-size: 40px; margin-bottom: 15px; animation: bounce 1s infinite alternate; }
@keyframes bounce { from { transform: translateY(0); } to { transform: translateY(-10px); } }
.lightbox-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.9); z-index: 999999; display: flex; align-items: center; justify-content: center; backdrop-filter: blur(10px); cursor: zoom-out; }
.lightbox-overlay img { max-width: 90vw; max-height: 90vh; border-radius: 8px; box-shadow: 0 10px 40px rgba(0,0,0,0.5); object-fit: contain; cursor: default; }
.lightbox-close { position: absolute; top: 30px; right: 30px; color: white; font-size: 30px; cursor: pointer; opacity: 0.7; transition: 0.2s; background: rgba(255,255,255,0.1); width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.lightbox-close:hover { opacity: 1; background: rgba(255,255,255,0.2); }
.btn { border: none; padding: 10px 16px; border-radius: 8px; font-weight: 800; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 8px; transition: 0.2s; font-size: 14px; color: white; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-primary { background: var(--primary); }
.btn-primary:hover { filter: brightness(1.1); }
.btn-secondary { background: #e2e8f0; color: #0f172a; }
.btn-secondary:hover { background: #cbd5e1; }
.btn-success { background: var(--success); }
.btn-success:hover { filter: brightness(1.1); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { filter: brightness(1.1); }
#toast-container { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); z-index: 10000; pointer-events: none; }
.toast { background: rgba(0,0,0,0.85); color: white; padding: 10px 24px; border-radius: 25px; font-size: 13px; margin-bottom: 10px; box-shadow: var(--shadow); }

/* =========================================================
   移动端极限防溢出 & 动态按钮切换
   ========================================================= */
@media (max-width: 850px) { 
    .desktop-only { display: none !important; }
    
    /* 核心替换：隐藏内联二维码，强制显示移动端扫码按钮 */
    .pc-qr-box { display: none !important; }
    .mobile-qr-btn { display: inline-flex !important; } 

    .chat-wrapper { height: calc(100vh - 80px); max-height: 100vh; display: flex; flex-direction: column; }
    .chat-header { padding: 16px 12px; }
    .chat-title { font-size: 1.4rem; }
    .chat-workspace { padding: 10px; flex: 1; display: flex; flex-direction: column; min-height: 0; }
    .chat-layout { flex: 1; flex-direction: column; height: auto; min-height: 0; gap: 10px; } 
    
    .chat-sys-panel { width: 100%; padding: 12px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; overflow: hidden; border-radius: 12px; flex-shrink: 0; }
    .chat-panel-title { display: none; }
    
    .id-display-card { padding: 10px; margin: 0; display: flex; flex-direction: column; justify-content: center; }
    .id-label { font-size: 10px; margin-bottom: 4px; }
    .id-number { font-size: 22px; letter-spacing: 2px; }
    .id-actions { margin-top: 8px; gap: 6px; }
    .id-actions .btn { font-size: 12px; padding: 6px; }
    .id-actions .btn span { display: none; }

    .dial-card { padding: 10px; margin: 0; display: flex; flex-direction: column; justify-content: center; }
    .qr-label { font-size: 10px; margin-bottom: 4px; }
    .dial-input { font-size: 18px; padding: 6px; margin-bottom: 0; text-align: center; }
    .btn-connect-action { font-size: 13px; padding: 6px; margin-top: 8px; }
    .btn-connect-action span { display: none; }
    
    .connection-status-card { grid-column: 1 / 3; margin-top: 0; padding: 8px 12px; }
    
    .chat-wrapper.is-connected .chat-sys-panel { display: flex; padding: 8px; border-bottom-left-radius: 0; border-bottom-right-radius: 0; border-bottom: none; box-shadow: none; }
    .chat-wrapper.is-connected .chat-sys-panel .id-display-card,
    .chat-wrapper.is-connected .chat-sys-panel .dial-card { display: none; }
    .chat-wrapper.is-connected .connection-status-card { margin: 0; width: 100%; }
    .chat-wrapper.is-connected .chat-msg-panel { border-top-left-radius: 0; border-top-right-radius: 0; margin-top: -10px; }
    
    .chat-msg-panel { padding: 12px; gap: 10px; flex: 1; min-height: 0; overflow: hidden; display: flex; flex-direction: column; }
    .msg-container { flex: 1; overflow-y: auto; padding-bottom: 10px; }
    .msg-input-area { gap: 8px; flex-shrink: 0; }
    .send-btn { width: 42px; height: 42px; font-size: 16px; flex-shrink: 0; }
    .msg-input { height: 42px; min-height: 42px; padding: 10px 12px; font-size: 14px; flex: 1; }
}

[data-theme="dark"] .chat-wrapper { --bg: #1e293b; --card: #0f172a; --text-main: #f8fafc; --text-sub: #94a3b8; --border: #334155; }
[data-theme="dark"] .chat-msg-panel .chat-panel-title { color: #f8fafc; }
[data-theme="dark"] .btn-secondary { background: #334155; color: #f8fafc; border: 1px solid #475569; }
[data-theme="dark"] .btn-secondary:hover { background: #475569; }