/* =========================================================
   辰星社区 · 认证弹窗样式 auth.css
   依赖：assets/fonts/remixicon.css（图标）、style.css（设计令牌可选）
   约定：全站仅 Remix Icon 字体图标，禁止 Emoji 字符
   兼容基线：Chromium 74（保留 -webkit- 前缀；避免 inset 简写）
   ========================================================= */

/* ---------- 1. 令牌（独立兜底，未引入 style.css 亦可单独工作） ---------- */
:root {
    --ax-primary: #FF2E4D;
    --ax-primary-dark: #E01F3C;
    --ax-primary-soft: #FFE9EC;
    --ax-ink: #16181D;
    --ax-ink-2: #4A4F57;
    --ax-ink-3: #8A8F99;
    --ax-bg: #F5F6F8;
    --ax-card: #FFFFFF;
    --ax-line: #EEEEF1;
    --ax-ok: #15803D;
    --ax-ok-soft: #E8F7EE;
    --ax-radius: 16px;
    --ax-shadow: 0 24px 60px -12px rgba(17, 20, 26, .28);
}

/* ---------- 2. 遮罩层 ---------- */
.ax-mask {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 9000;
    background: rgba(17, 20, 26, .55);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    -webkit-transition: opacity .26s ease, visibility .26s ease;
    transition: opacity .26s ease, visibility .26s ease;
}

.ax-mask.ax-show {
    opacity: 1;
    visibility: visible;
}

/* ---------- 3. 弹窗卡片 ---------- */
.ax-dialog {
    width: 100%;
    max-width: 420px;
    max-height: 92vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    background: var(--ax-card);
    border-radius: 22px;
    -webkit-box-shadow: var(--ax-shadow);
    box-shadow: var(--ax-shadow);
    padding: 26px 22px 22px;
    position: relative;
    -webkit-transform: translateY(20px) scale(.97);
    transform: translateY(20px) scale(.97);
    -webkit-transition: -webkit-transform .3s cubic-bezier(.4, 0, .2, 1);
    transition: transform .3s cubic-bezier(.4, 0, .2, 1);
}

.ax-mask.ax-show .ax-dialog {
    -webkit-transform: translateY(0) scale(1);
    transform: translateY(0) scale(1);
}

/* 关闭按钮 */
.ax-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: var(--ax-bg);
    color: var(--ax-ink-3);
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-transition: background .18s, color .18s, -webkit-transform .18s;
    transition: background .18s, color .18s, transform .18s;
}

.ax-close:active {
    -webkit-transform: scale(.9);
    transform: scale(.9);
    background: var(--ax-primary-soft);
    color: var(--ax-primary);
}

/* ---------- 4. 品牌头 ---------- */
.ax-head {
    text-align: center;
    margin-bottom: 18px;
}

.ax-logo {
    width: 52px;
    height: 52px;
    margin: 0 auto 10px;
    border-radius: 15px;
    background: -webkit-linear-gradient(315deg, var(--ax-primary) 0%, #FF6B52 100%);
    background: linear-gradient(135deg, var(--ax-primary) 0%, #FF6B52 100%);
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    font-weight: 800;
    -webkit-box-shadow: 0 8px 20px -6px rgba(255, 46, 77, .5);
    box-shadow: 0 8px 20px -6px rgba(255, 46, 77, .5);
}

.ax-title {
    font-size: 21px;
    font-weight: 800;
    color: var(--ax-ink);
    letter-spacing: -.3px;
    margin: 0;
}

.ax-sub {
    font-size: 13px;
    color: var(--ax-ink-3);
    margin: 5px 0 0;
}

/* ---------- 5. Tab 切换 ---------- */
.ax-tabs {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    background: var(--ax-bg);
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 18px;
}

.ax-tab {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    flex: 1;
    border: none;
    background: transparent;
    padding: 9px 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--ax-ink-3);
    border-radius: 9px;
    cursor: pointer;
    font-family: inherit;
    -webkit-transition: background .2s, color .2s, -webkit-box-shadow .2s;
    transition: background .2s, color .2s, box-shadow .2s;
}

.ax-tab.ax-on {
    background: var(--ax-card);
    color: var(--ax-primary);
    -webkit-box-shadow: 0 1px 3px rgba(17, 20, 26, .1);
    box-shadow: 0 1px 3px rgba(17, 20, 26, .1);
}

/* ---------- 6. 表单 ---------- */
.ax-pane { display: none; }
.ax-pane.ax-on { display: block; }

.ax-field {
    margin-bottom: 13px;
}

.ax-field label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--ax-ink-2);
    margin-bottom: 6px;
}

.ax-field label .ax-req { color: var(--ax-primary); margin-left: 2px; }

.ax-input {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid #E5E7EB;
    border-radius: 12px;
    font-size: 15px;
    background: var(--ax-bg);
    color: var(--ax-ink);
    font-family: inherit;
    -webkit-transition: border-color .18s, background .18s, -webkit-box-shadow .18s;
    transition: border-color .18s, background .18s, box-shadow .18s;
}

.ax-input::-webkit-input-placeholder { color: #B6BAC2; }
.ax-input::placeholder { color: #B6BAC2; }

.ax-input:focus {
    outline: none;
    border-color: var(--ax-primary);
    background: #fff;
    -webkit-box-shadow: 0 0 0 4px rgba(255, 46, 77, .1);
    box-shadow: 0 0 0 4px rgba(255, 46, 77, .1);
}

/* 验证码行 */
.ax-coderow {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: stretch;
    align-items: stretch;
}

.ax-coderow .ax-input {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    flex: 1;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.ax-codebtn {
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
    min-width: 104px;
    padding: 0 12px;
    border: 1.5px solid var(--ax-primary);
    border-left: none;
    border-top-right-radius: 12px;
    border-bottom-right-radius: 12px;
    background: var(--ax-primary-soft);
    color: var(--ax-primary);
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    -webkit-transition: opacity .18s, background .18s;
    transition: opacity .18s, background .18s;
}

.ax-codebtn:active { opacity: .8; }

.ax-codebtn:disabled {
    border-color: #E5E7EB;
    background: #F3F4F6;
    color: #A6ACB6;
    cursor: not-allowed;
}

/* 头像行 */
.ax-avatar-row {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.ax-avatar-pick {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    border: 1.5px dashed #D6DAE0;
    background: var(--ax-bg);
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    color: var(--ax-ink-3);
    font-size: 22px;
    cursor: pointer;
    overflow: hidden;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
    -webkit-transition: border-color .18s, color .18s;
    transition: border-color .18s, color .18s;
}

.ax-avatar-pick:hover { border-color: var(--ax-primary); color: var(--ax-primary); }

.ax-avatar-pick img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
    object-fit: cover;
    display: block;
}

.ax-avatar-tip {
    margin-left: 12px;
    font-size: 12px;
    color: var(--ax-ink-3);
    line-height: 1.5;
}

/* 提交按钮 */
.ax-submit {
    width: 100%;
    padding: 14px;
    margin-top: 6px;
    border: none;
    border-radius: 12px;
    background: -webkit-linear-gradient(315deg, var(--ax-primary) 0%, #FF5A45 100%);
    background: linear-gradient(135deg, var(--ax-primary) 0%, #FF5A45 100%);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    -webkit-transition: opacity .18s, -webkit-transform .1s, -webkit-box-shadow .2s;
    transition: opacity .18s, transform .1s, box-shadow .2s;
    -webkit-box-shadow: 0 6px 16px -6px rgba(255, 46, 77, .5);
    box-shadow: 0 6px 16px -6px rgba(255, 46, 77, .5);
}

.ax-submit:active {
    -webkit-transform: scale(.98);
    transform: scale(.98);
    opacity: .92;
}

.ax-submit:disabled {
    opacity: .6;
    cursor: not-allowed;
    -webkit-box-shadow: none;
    box-shadow: none;
}

/* 提示条 */
.ax-msg {
    display: none;
    padding: 10px 13px;
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: 14px;
}

.ax-msg.ax-err { display: block; background: var(--ax-primary-soft); color: var(--ax-primary); }
.ax-msg.ax-ok { display: block; background: var(--ax-ok-soft); color: var(--ax-ok); }

/* 底部切换 */
.ax-foot {
    text-align: center;
    margin-top: 15px;
    font-size: 13.5px;
    color: var(--ax-ink-3);
}

.ax-foot a,
.ax-foot button {
    color: var(--ax-primary);
    font-weight: 600;
    background: none;
    border: none;
    padding: 0;
    font-size: inherit;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
}

/* 条款说明 */
.ax-terms {
    font-size: 11.5px;
    color: var(--ax-ink-3);
    text-align: center;
    line-height: 1.6;
    margin-top: 12px;
}

/* ---------- 7. 移动端适配 ---------- */
@media (max-width: 480px) {
    .ax-mask {
        padding: 0;
        -webkit-box-align: end;
        -webkit-align-items: flex-end;
        align-items: flex-end;
    }
    .ax-dialog {
        max-width: 100%;
        max-height: 94vh;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
        border-top-left-radius: 22px;
        border-top-right-radius: 22px;
        padding: 24px 18px calc(20px + env(safe-area-inset-bottom));
        -webkit-transform: translateY(100%);
        transform: translateY(100%);
        -webkit-transition: -webkit-transform .32s cubic-bezier(.4, 0, .2, 1);
        transition: transform .32s cubic-bezier(.4, 0, .2, 1);
    }
    .ax-mask.ax-show .ax-dialog {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
}

/* ---------- 8. 无障碍：减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
    .ax-mask, .ax-dialog, .ax-close, .ax-submit, .ax-tab, .ax-input {
        -webkit-transition: none;
        transition: none;
    }
}