/* ============================================================
   NovaStar — auth.css
   登录 / 注册 / 忘记密码 界面样式
   ============================================================ */

/* 认证层容器 */
#ns-auth {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at 50% -10%, rgba(var(--p), .15), transparent 65%);
    transition: opacity .45s, transform .45s;
}

#ns-auth.out {
    opacity: 0;
    transform: scale(1.04);
    pointer-events: none;
}

/* 卡片 */
.auth-card {
    width: 440px;
    max-width: 94vw;
    position: relative;
    overflow: hidden;
    background: rgba(12, 12, 30, .95);
    backdrop-filter: blur(12px) saturate(1.2);
    border: 1px solid var(--bd);
    border-radius: 22px;
    box-shadow: 0 0 30px rgba(var(--p), .1), 0 20px 40px rgba(0, 0, 0, .4);
}

.auth-card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 15%;
    right: 15%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(var(--p), .7), transparent);
}

/* 面板切换 */
.auth-panel {
    padding: 44px 40px;
    display: none;
    animation: slideIn .35s ease;
}

.auth-panel.active {
    display: block;
}

/* Logo */
.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 8px;
}

.auth-logo-icon {
    width: 46px;
    height: 46px;
    border-radius: 13px;
    flex-shrink: 0;
    background: linear-gradient(135deg, rgb(var(--p)), rgb(var(--a)));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    box-shadow: 0 8px 24px rgba(var(--p), .35);
}

.auth-logo-name {
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 20%, rgb(var(--a)));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-subtitle {
    text-align: center;
    font-size: 13px;
    color: var(--t2);
    margin-bottom: 32px;
}

/* 表单字段 */
.f-group {
    margin-bottom: 18px;
}

.f-group label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: var(--t2);
    margin-bottom: 7px;
    letter-spacing: .6px;
    text-transform: uppercase;
}

.f-row {
    display: flex;
    gap: 8px;
}

.f-group input {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    font-size: 14px;
    color: var(--t1);
    background: rgba(255, 255, 255, .05);
    border: 1px solid var(--bd);
    border-radius: 11px;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    font-family: var(--font);
}

.f-group input:focus {
    border-color: rgba(var(--p), .55);
    box-shadow: 0 0 0 3px rgba(var(--p), .1);
}

.f-group input::placeholder {
    color: rgba(255, 255, 255, .18);
}

.f-group input.err-input {
    border-color: rgba(var(--r), .5);
}

/* 发送验证码按钮 */
.send-code-btn {
    height: 48px;
    padding: 0 16px;
    white-space: nowrap;
    font-size: 13px;
    font-weight: 600;
    color: rgb(var(--p));
    background: rgba(var(--p), .1);
    border: 1px solid rgba(var(--p), .25);
    border-radius: 11px;
    cursor: pointer;
    transition: all .2s;
    font-family: var(--font);
    flex-shrink: 0;
}

.send-code-btn:hover {
    background: rgba(var(--p), .2);
}

.send-code-btn:disabled {
    opacity: .5;
    cursor: not-allowed;
}

/* 主按钮 */
.auth-btn {
    width: 100%;
    height: 50px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    margin-top: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, rgb(var(--p)), rgb(var(--a)));
    transition: transform .2s, box-shadow .2s;
    font-family: var(--font);
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 32px rgba(var(--p), .4);
}

.auth-btn:active {
    transform: translateY(0);
}

.auth-btn:disabled {
    opacity: .55;
    cursor: not-allowed;
    transform: none;
}

.auth-btn .sp {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, .3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .6s linear infinite;
}

.auth-btn.ld .sp {
    display: block;
}

.auth-btn.ld .bt {
    display: none;
}

/* 消息提示 */
.auth-err {
    background: rgba(var(--r), .1);
    border: 1px solid rgba(var(--r), .25);
    border-radius: 10px;
    padding: 11px 15px;
    font-size: 13px;
    color: rgb(var(--r));
    margin-bottom: 16px;
    display: none;
    animation: fadeIn .3s;
}

.auth-err.on {
    display: block;
}

.auth-ok {
    background: rgba(var(--g), .1);
    border: 1px solid rgba(var(--g), .25);
    border-radius: 10px;
    padding: 11px 15px;
    font-size: 13px;
    color: rgb(var(--g));
    margin-bottom: 16px;
    display: none;
    animation: fadeIn .3s;
}

.auth-ok.on {
    display: block;
}

/* 底部链接 */
.auth-footer {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 22px;
    flex-wrap: wrap;
}

.auth-footer a {
    font-size: 13px;
    color: var(--t2);
    text-decoration: none;
    transition: color .2s;
    cursor: pointer;
}

.auth-footer a:hover {
    color: rgb(var(--p));
}

.auth-footer .sep {
    color: var(--t3);
}

/* 响应式 */
@media (max-width: 480px) {
    .auth-panel {
        padding: 36px 22px;
    }
}