/* ===================================================
   登录页（Figma 移动卡片风格）
   配色与 chat.css 的奶油暖色系一致，按钮用抹茶绿
   =================================================== */
:root {
    --lg-paper: #f3efe6;
    --lg-card: #ffffff;
    --lg-line: #e9e2d2;
    --lg-ink: #463d2e;
    --lg-ink-2: #8c8372;
    --lg-ink-3: #b5ab97;
    --lg-green: #8fbc8a;
    --lg-green-deep: #71a86b;
    --lg-gold: #dfa22e;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body.lg-body {
    min-height: 100vh;
    min-height: 100dvh;
    font-family: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background: var(--lg-paper);
    color: var(--lg-ink);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 16px;
}

.lg-card {
    width: 100%;
    max-width: 380px;
    background: var(--lg-card);
    border: 1px solid var(--lg-line);
    border-radius: 24px;
    padding: 34px 26px 26px;
    box-shadow: 0 10px 28px rgba(96, 82, 54, 0.12);
}

/* Logo */
.lg-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-bottom: 26px;
}

.lg-logo img {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    object-fit: cover;
    box-shadow: 0 3px 10px rgba(96, 82, 54, 0.12);
}

.lg-logo p {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--lg-ink);
}

/* 输入类型切换小标签 */
.lg-tabs {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
    font-size: 0.76rem;
}

.lg-tabs .label-tab {
    border: none;
    background: transparent;
    color: var(--lg-ink-3);
    font-size: 0.76rem;
    cursor: pointer;
    padding: 2px 2px;
}

.lg-tabs .label-tab.active {
    color: var(--lg-green-deep);
    font-weight: 700;
}

.lg-tabs .label-tab-divider {
    color: var(--lg-line);
}

/* 输入框 */
.lg-input {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 14px;
    height: 46px;
    margin-bottom: 14px;
    background: #faf7f0;
    border: 1.5px solid var(--lg-line);
    border-radius: 12px;
    transition: border-color 0.18s ease;
}

.lg-input:focus-within {
    border-color: var(--lg-green);
}

.lg-input > i {
    color: var(--lg-ink-3);
    font-size: 0.9rem;
    width: 1rem;
    text-align: center;
    flex-shrink: 0;
}

.lg-input input {
    flex: 1;
    min-width: 0;
    height: 100%;
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.9rem;
    color: var(--lg-ink);
}

.lg-input input::placeholder {
    color: var(--lg-ink-3);
}

.lg-code-btn {
    white-space: nowrap;
    padding: 6px 12px;
    border: 1px solid var(--lg-green-deep);
    background: transparent;
    color: var(--lg-green-deep);
    border-radius: 9px;
    cursor: pointer;
    font-size: 0.78rem;
    flex-shrink: 0;
}

.lg-code-btn:disabled {
    opacity: 0.55;
    cursor: default;
}

.password-toggle {
    border: none;
    background: transparent;
    color: var(--lg-ink-3);
    cursor: pointer;
    font-size: 0.85rem;
    flex-shrink: 0;
}

/* 登录按钮（Figma 绿色圆角） */
.lg-login-btn {
    width: 100%;
    height: 46px;
    margin-top: 4px;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--lg-green) 0%, var(--lg-green-deep) 100%);
    color: #fff;
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: 6px;
    cursor: pointer;
    box-shadow: 0 5px 14px rgba(113, 168, 107, 0.35);
    transition: transform 0.15s ease, filter 0.15s ease;
}

.lg-login-btn:hover {
    filter: brightness(1.04);
}

.lg-login-btn:active {
    transform: scale(0.98);
}

/* 隐藏的账号类型 tab（驱动 login.js 状态，不显示；防auth.css残留样式） */
.lg-form #accountTabs {
    display: none !important;
}

/* 记住我 / 忘记密码 / 注册账号 */
.lg-links {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
    font-size: 0.78rem;
    color: var(--lg-ink-2);
}

.lg-links-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.lg-register-link {
    border: none;
    background: transparent;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--lg-ink);
    cursor: pointer;
}

.lg-register-link:hover {
    color: var(--lg-green-deep);
}

.lg-remember {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.lg-remember input {
    accent-color: var(--lg-green-deep);
}

.lg-links a {
    color: var(--lg-ink-2);
    text-decoration: none;
}

.lg-links a:hover {
    color: var(--lg-green-deep);
}

/* 协议 */
.lg-agree {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    margin-top: 12px;
    font-size: 0.72rem;
    color: var(--lg-ink-3);
    line-height: 1.5;
}

.lg-agree input {
    margin-top: 2px;
    accent-color: var(--lg-green-deep);
}

.lg-agree a {
    color: var(--lg-green-deep);
    text-decoration: none;
}

/* 分割线 */
.lg-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0 16px;
    color: var(--lg-ink-3);
    font-size: 0.72rem;
    white-space: nowrap;
}

.lg-divider::before,
.lg-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--lg-line);
}

/* 底部快捷入口（Figma 圆形图标 + 文字） */
.lg-quick-row {
    display: flex;
    justify-content: space-around;
}

.lg-quick {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 7px;
    border: none;
    background: transparent;
    color: var(--lg-ink-2);
    font-size: 0.72rem;
    cursor: pointer;
}

.lg-quick-icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border: 1.5px solid var(--lg-line);
    border-radius: 50%;
    background: #faf7f0;
    color: var(--lg-gold);
    font-size: 1.1rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.lg-quick:hover .lg-quick-icon {
    transform: translateY(-2px);
    box-shadow: 0 5px 12px rgba(96, 82, 54, 0.14);
}

.lg-quick-icon.lg-wechat {
    color: #09bb07;
}

.lg-quick-icon.lg-apple {
    color: #1d1d1f;
}

.lg-hint {
    margin-top: 16px;
    text-align: center;
    font-size: 0.72rem;
    color: var(--lg-ink-3);
}

/* 手机端（Figma）：无卡片边框的平铺页面 */
@media (max-width: 600px) {
    body.lg-body {
        align-items: stretch;
        padding: 40px 24px 24px;
        background: #fdfbf6;
    }

    .lg-card {
        max-width: none;
        background: transparent;
        border: none;
        border-radius: 0;
        box-shadow: none;
        padding: 24px 4px;
    }

    .lg-logo {
        margin-bottom: 40px;
    }
}