/* 身份验证界面样式 */
.auth-overlay {
    position: fixed;
    top: 72px; left: 0; right: 0; bottom: 0;
    z-index: 999;
    background: var(--bg);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 5vh;
    overflow-y: auto;
}
.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 40px;
    max-width: 540px;
    width: 90%;
    box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}
.auth-header { text-align: center; margin-bottom: 32px; }
.auth-header .auth-logo { width: 72px; height: 72px; border-radius: 16px; margin-bottom: 16px; }
.auth-header h2 { font-size: 1.5rem; margin: 0 0 8px; color: var(--text); }
.auth-header p { font-size: 0.9rem; color: var(--text-dim); margin: 0; line-height: 1.5; }

.auth-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    background: rgba(255,255,255,.03);
    border-radius: 12px;
    padding: 4px;
}
.auth-tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-dim);
    transition: all 0.2s;
    border: none;
    background: transparent;
}
.auth-tab.active {
    background: var(--gradient);
    color: #0A0E1A;
    font-weight: 600;
}
.auth-tab:hover:not(.active) { color: var(--text); }

.auth-panel { display: none; }
.auth-panel.active { display: block; }

/* 微信扫码面板 */
.wechat-qr-wrapper {
    text-align: center;
    padding: 20px 0;
}
.wechat-qr-wrapper img {
    width: 200px; height: 200px;
    border-radius: 12px;
    border: 2px solid var(--card-border);
    margin-bottom: 16px;
}
.wechat-qr-wrapper .qr-tip {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 20px;
    line-height: 1.5;
}
.wechat-qr-wrapper .qr-tip strong { color: var(--text); }
.wechat-hint {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(7, 193, 96, 0.1);
    border: 1px solid rgba(7, 193, 96, 0.2);
    border-radius: 20px;
    font-size: 0.8rem;
    color: #07C160;
    margin-bottom: 16px;
}

/* 手机登记 */
.phone-form { padding: 8px 0; }
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 6px;
    font-weight: 500;
}
.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255,255,255,.06);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    color: var(--text);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.form-group input:focus { border-color: var(--primary); }
.form-group input::placeholder { color: rgba(255,255,255,.25); }
.auth-btn {
    width: 100%;
    padding: 14px;
    background: var(--gradient);
    color: #0A0E1A;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,212,255,.3);
}
.auth-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.auth-footer-text {
    text-align: center;
    margin-top: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* 消息顶部的客户信息栏 */
.user-info-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(0,212,255,.06);
    border-radius: 10px;
    margin-bottom: 12px;
    font-size: 0.8rem;
    color: var(--primary);
}
.user-info-bar .user-icon {
    width: 28px; height: 28px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #0A0E1A; font-size: 0.75rem; font-weight: 600;
}

/* 覆盖原有body padding */
body { padding-top: 0; }