/* 天美 e脸通 — 登录页 v2 明亮居中门户 */
:root {
    --c-bg: #e4ebf3;
    --c-bg-deep: #d6e2ef;
    --c-surface: #ffffff;
    --c-primary: #1565a8;
    --c-primary-hover: #0d4f8a;
    --c-accent: #0ea5e9;
    --c-text: #1e293b;
    --c-muted: #64748b;
    --c-border: #e2e8f0;
    --c-border-focus: #93c5fd;
    --c-shadow: 0 24px 64px rgba(15, 23, 42, 0.12), 0 8px 24px rgba(21, 101, 168, 0.08);
    --c-radius: 20px;
    --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html, body.login-page {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: var(--font);
    color: var(--c-text);
    background: linear-gradient(160deg, #edf2f8 0%, var(--c-bg) 38%, var(--c-bg-deep) 100%);
}

.login-page { position: relative; overflow-x: hidden; }

/* ── 背景装饰（浅灰蓝 + 网格 + 雷达环 + 光晕） ── */
.login-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.login-bg__gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 50% at 50% 38%, rgba(255, 255, 255, 0.18) 0%, transparent 58%),
        radial-gradient(circle at 15% 20%, rgba(21, 101, 168, 0.14) 0%, transparent 42%),
        radial-gradient(circle at 88% 78%, rgba(14, 165, 233, 0.16) 0%, transparent 40%);
}

.login-bg__grid {
    position: absolute;
    inset: 0;
    opacity: 0.72;
    background-image:
        linear-gradient(rgba(21, 101, 168, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(21, 101, 168, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
}

.login-bg__glow {
    position: absolute;
    left: 50%;
    top: 40%;
    transform: translate(-50%, -50%);
    width: min(560px, 92vw);
    height: min(680px, 96vh);
    background: radial-gradient(ellipse at center, rgba(56, 189, 248, 0.28) 0%, rgba(21, 101, 168, 0.1) 42%, transparent 70%);
}

.login-bg__radar {
    position: absolute;
    left: 50%;
    top: 42%;
    transform: translate(-50%, -50%);
    width: min(1100px, 135vw);
    height: auto;
    opacity: 1;
    display: block;
}

.login-bg__blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
}

.login-bg__blob--1 {
    width: 480px;
    height: 480px;
    top: -120px;
    right: -80px;
    background: rgba(21, 101, 168, 0.2);
}

.login-bg__blob--2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -80px;
    background: rgba(14, 165, 233, 0.18);
}

@media (prefers-reduced-motion: reduce) {
    .login-bg__radar [animate],
    .login-bg__radar animate {
        display: none;
    }
}

/* ── 主布局 ── */
.login-wrap {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 20px 80px;
    gap: 28px;
}

/* ── 登录卡片（半透明毛玻璃，背景特效可透出） ── */
.login-card {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.48);
    border-radius: var(--c-radius);
    box-shadow:
        0 24px 64px rgba(15, 23, 42, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.35) inset;
    border: 1px solid rgba(255, 255, 255, 0.42);
    backdrop-filter: blur(20px) saturate(1.25);
    -webkit-backdrop-filter: blur(20px) saturate(1.25);
    overflow: hidden;
}

.login-card__accent {
    height: 4px;
    background: linear-gradient(90deg, var(--c-primary) 0%, var(--c-accent) 50%, #38bdf8 100%);
}

.login-card__head {
    position: relative;
    text-align: center;
    padding: 32px 36px 0;
}

.login-card__head::after {
    content: "";
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 130px;
    background: radial-gradient(circle, rgba(21, 101, 168, 0.08) 0%, transparent 72%);
    pointer-events: none;
}

.login-card__logo {
    width: 72px;
    height: 72px;
    object-fit: contain;
    margin-bottom: 14px;
}

.login-card__title {
    margin: 0 0 8px;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.35;
    color: var(--c-text);
    letter-spacing: 0.02em;
}

.login-card__title em {
    font-style: normal;
    color: var(--c-primary);
}

.login-card__tag {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--c-muted);
}

.login-card__badge {
    display: inline-block;
    margin-top: 12px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 11px;
    color: var(--c-primary);
    background: rgba(21, 101, 168, 0.08);
    border: 1px solid rgba(21, 101, 168, 0.15);
}

#login-container {
    padding: 24px 36px 8px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.45s ease, transform 0.45s ease;
}

#login-container.show {
    opacity: 1;
    transform: translateY(0);
}

.login-card__sub {
    margin: 0 0 20px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    color: var(--c-text);
}

#login-container .input-container {
    position: relative;
    margin-bottom: 14px;
}

#login-container .field-icon,
.reg-form-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 15px;
    pointer-events: none;
    z-index: 1;
}

#login-container input[type="text"],
#login-container input[type="password"],
#register-form input,
#forgot-password-form input {
    width: 100%;
    height: 46px;
    padding: 0 14px 0 42px;
    border: 1px solid var(--c-border);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    color: var(--c-text);
    background: rgba(255, 255, 255, 0.5);
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

#login-container input::placeholder,
#register-form input::placeholder,
#forgot-password-form input::placeholder {
    color: #94a3b8;
}

#login-container input:focus,
#register-form input:focus,
#forgot-password-form input:focus {
    outline: none;
    border-color: var(--c-border-focus);
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 0 0 3px rgba(147, 197, 253, 0.35);
}

#login-container input[type="submit"],
#register-form input[type="submit"],
#forgot-password-form input[type="submit"] {
    width: 100%;
    height: 46px;
    margin-top: 6px;
    padding: 0;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    color: #fff;
    cursor: pointer;
    background: linear-gradient(135deg, var(--c-primary) 0%, #1a7ab8 100%);
    box-shadow: 0 6px 20px rgba(21, 101, 168, 0.28);
    transition: transform 0.15s, box-shadow 0.2s, filter 0.2s;
}

#login-container input[type="submit"]:hover,
#register-form input[type="submit"]:hover,
#forgot-password-form input[type="submit"]:hover {
    filter: brightness(1.04);
    box-shadow: 0 8px 24px rgba(21, 101, 168, 0.34);
}

#login-container input[type="submit"]:active {
    transform: translateY(1px);
}

.form-toggle { margin-top: 16px; text-align: center; }

.form-toggle a {
    color: var(--c-primary);
    text-decoration: none;
    font-size: 13px;
}

.form-toggle a:hover { text-decoration: underline; }

.verification-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.verification-container input { flex: 1; min-width: 0; }

.get-code-btn {
    flex-shrink: 0;
    width: auto !important;
    height: 46px !important;
    padding: 0 14px !important;
    margin: 0 !important;
    font-size: 12px !important;
    border-radius: 10px !important;
    color: #fff !important;
    background: var(--c-accent) !important;
    border: none !important;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.25) !important;
}

.get-code-btn:disabled {
    background: #94a3b8 !important;
    box-shadow: none !important;
    cursor: not-allowed;
}

/* ── 卡片内文档链接 ── */
.login-card__docs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 16px;
    padding: 16px 24px 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(248, 250, 252, 0.32);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.doc-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--c-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.doc-link:hover { color: var(--c-primary); }

.doc-link.doc-link-pdf i { color: #ef4444; }

/* ── 八大场景（卡片下方） ── */
.login-scenes {
    width: 100%;
    max-width: 680px;
    text-align: center;
}

.login-scenes__label {
    margin: 0 0 12px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c-muted);
}

.login-scenes__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.login-scene {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 12px;
    color: var(--c-text);
    background: rgba(255, 255, 255, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}

.login-scene:hover {
    border-color: rgba(21, 101, 168, 0.35);
    box-shadow: 0 4px 14px rgba(21, 101, 168, 0.1);
    transform: translateY(-1px);
}

.login-scene .scene-emoji { font-size: 14px; line-height: 1; }

.login-scene .scene-name { font-weight: 500; }

/* ── 语言切换（固定英文 Language + 地球图标，便于非中文用户识别） ── */
#lang-switch {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 100;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.82);
    border-radius: 999px;
    padding: 4px 12px 4px 10px;
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

#lang-switch .lang-switch__icon {
    color: var(--c-primary, #1565a8);
    font-size: 14px;
    line-height: 1;
}

#lang-switch .lang-switch__label {
    color: #475569;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    user-select: none;
    white-space: nowrap;
}

#lang-select {
    padding: 6px 26px 6px 4px;
    border: none;
    background: transparent;
    color: var(--c-text);
    font-size: 13px;
    font-family: inherit;
    outline: none;
    cursor: pointer;
    appearance: none;
    max-width: 148px;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%2364748b' stroke-width='2'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 2px center;
}

.login-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 50;
    text-align: center;
    padding: 10px 12px;
    font-size: 11px;
    color: var(--c-muted);
    background: rgba(238, 242, 247, 0.92);
    border-top: 1px solid var(--c-border);
    backdrop-filter: blur(8px);
}

.login-footer a {
    color: var(--c-primary);
    text-decoration: none;
}

.login-footer a:hover { text-decoration: underline; }

/* ── 响应式 ── */
@media screen and (max-width: 900px) {
    .login-bg__radar {
        width: 160vw;
        opacity: 0.78;
    }
}

@media screen and (max-width: 480px) {
    .login-wrap {
        padding: 44px 16px 72px;
        gap: 20px;
    }

    .login-card__head,
    #login-container {
        padding-left: 24px;
        padding-right: 24px;
    }

    .login-card__docs {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }

    .login-scenes__grid {
        gap: 6px;
    }

    .login-scene {
        font-size: 11px;
        padding: 6px 11px;
    }

    .login-bg__radar {
        opacity: 0.65;
    }
}