:root {
    --bg: #0f1115;
    --bg2: #161a22;
    --card: #1c212b;
    --card2: #232a36;
    --line: #2c3340;
    --text: #eef2f7;
    --sub: #9aa6b8;
    --primary: #ff5a5f;
    --primary2: #ff8a5b;
    --accent: #6c8cff;
    --radius: 16px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 15px;
    line-height: 1.5;
}

body {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    background:
        radial-gradient(1200px 600px at 50% -10%, rgba(255,90,95,.18), transparent 60%),
        radial-gradient(800px 500px at 100% 10%, rgba(108,140,255,.15), transparent 55%),
        var(--bg);
}

/* ===== 视图切换 ===== */
.view { display: none; min-height: 100vh; padding: 0 18px 32px; }
.view.active { display: block; }

/* ===== 登录/注册 ===== */
.auth-wrap { padding: 14vh 6px 0; }
.brand { text-align: center; margin-bottom: 26px; }
.brand-logo {
    width: 130px;
    height: 130px;
    object-fit: contain;
    border-radius: 22px;
    background: #fff;
    padding: 8px;
    box-shadow: 0 8px 28px rgba(0,0,0,.25);
}
.brand h1 { font-size: 26px; margin: 10px 0 4px; letter-spacing: 1px; }
.brand-sub { color: var(--sub); margin: 0; font-size: 14px; }

.tabs {
    position: relative;
    display: flex;
    background: var(--bg2);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 4px;
    margin-bottom: 22px;
}
.tab {
    flex: 1;
    border: 0;
    background: transparent;
    color: var(--sub);
    font-size: 15px;
    padding: 10px 0;
    border-radius: 999px;
    position: relative;
    z-index: 2;
    cursor: pointer;
    transition: color .25s;
}
.tab.active { color: #fff; }
.tab-ind {
    position: absolute;
    top: 4px; left: 4px;
    width: calc((100% - 8px) / 3); height: calc(100% - 8px);
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    border-radius: 999px;
    z-index: 1;
    transition: transform .28s cubic-bezier(.4,0,.2,1);
}
.tab-ind.right { transform: translateX(100%); }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--sub); margin-bottom: 7px; }
.field input {
    width: 100%;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    color: var(--text);
    font-size: 16px;
    padding: 13px 14px;
    outline: none;
    transition: border-color .2s;
}
.field input:focus { border-color: var(--primary); }

.btn-primary {
    display: block;
    width: 100%;
    border: 0;
    border-radius: 12px;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    cursor: pointer;
    margin-top: 8px;
    transition: opacity .2s, transform .1s;
}
.btn-primary:active { transform: scale(.985); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }

.hint { color: var(--sub); font-size: 12.5px; text-align: center; margin-top: 14px; }

/* ===== 通用顶栏 ===== */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0 12px;
    position: sticky; top: 0;
    background: linear-gradient(var(--bg), rgba(15,17,21,.85));
    backdrop-filter: blur(6px);
    z-index: 5;
}
.topbar-user { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.avatar {
    width: 30px; height: 30px; border-radius: 50%;
    background: var(--card2); display: grid; place-items: center; font-size: 16px;
}
.btn-ghost {
    border: 1px solid var(--line);
    background: transparent;
    color: var(--sub);
    border-radius: 10px;
    padding: 7px 12px;
    font-size: 14px;
    cursor: pointer;
}
.editor-title { font-weight: 600; }

/* ===== 首页 ===== */
.home-hero { padding: 8px 4px 22px; }
.home-hero h2 { margin: 0 0 6px; font-size: 21px; }
.home-hero p { margin: 0; color: var(--sub); font-size: 14px; }
.home-quota { color: var(--primary2) !important; font-size: 13px !important; font-weight: 600; margin-top: 10px !important; }

.feature-grid { display: grid; gap: 16px; }
.feature-card {
    text-align: left;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(160deg, var(--card2), var(--card));
    padding: 22px 20px;
    cursor: pointer;
    color: var(--text);
    position: relative;
    overflow: hidden;
    transition: transform .12s, border-color .2s;
}
.feature-card:active { transform: scale(.99); border-color: var(--primary); }
.feature-card::after {
    content: ""; position: absolute; right: -40px; top: -40px;
    width: 140px; height: 140px; border-radius: 50%;
    background: radial-gradient(circle, rgba(255,90,95,.18), transparent 70%);
}
.feature-icon { font-size: 38px; }
.feature-title { font-size: 19px; font-weight: 700; margin-top: 10px; }
.feature-desc { color: var(--sub); font-size: 13.5px; margin-top: 4px; }
.feature-go { color: var(--primary2); font-size: 13.5px; margin-top: 12px; font-weight: 600; }

/* ===== 编辑器 ===== */
.editor-body { padding-top: 8px; }
.upload-area {
    display: block;
    position: relative;
    aspect-ratio: 3 / 4;
    border: 2px dashed var(--line);
    border-radius: var(--radius);
    background: var(--card);
    overflow: hidden;
    cursor: pointer;
    transition: border-color .2s;
}
.upload-area.has-img { border-style: solid; border-color: var(--accent); }
.upload-tip {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    color: var(--sub); gap: 8px; text-align: center; padding: 20px;
}
.upload-plus {
    width: 54px; height: 54px; border-radius: 50%;
    background: var(--card2); color: var(--primary2);
    display: grid; place-items: center; font-size: 30px; margin-bottom: 6px;
}
.upload-tip small { color: #6b7585; font-size: 12px; }
.preview-img { width: 100%; height: 100%; object-fit: cover; display: none; }
.upload-area.has-img .preview-img { display: block; }
.upload-area.has-img .upload-tip { display: none; }

.result-wrap { margin-top: 22px; display: none; }
.result-wrap.show { display: block; animation: fade .3s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.result-label { font-size: 14px; color: var(--sub); margin-bottom: 10px; }
.result-img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); display: block; }
#downloadBtn { text-align: center; text-decoration: none; margin-top: 14px; }

/* ===== 加载遮罩 ===== */
.loading-mask {
    position: fixed; inset: 0; z-index: 50;
    background: rgba(8,10,14,.78);
    display: none; flex-direction: column; align-items: center; justify-content: center;
    color: var(--text); gap: 16px;
}
.loading-mask.show { display: flex; }
.spinner {
    width: 46px; height: 46px; border-radius: 50%;
    border: 4px solid rgba(255,255,255,.15);
    border-top-color: var(--primary2);
    animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Toast ===== */
.toast {
    position: fixed; left: 50%; bottom: 90px; transform: translate(-50%, 20px);
    background: #2b3240; color: #fff; padding: 11px 18px; border-radius: 10px;
    font-size: 14px; opacity: 0; pointer-events: none; transition: all .25s; z-index: 60;
    max-width: 80%; text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ===== 管理员面板 ===== */
.admin-summary { color: var(--sub); font-size: 13px; padding: 4px 2px 14px; }
.user-list { display: flex; flex-direction: column; gap: 12px; }
.user-row {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
    padding: 14px 14px 12px;
}
.user-main { margin-bottom: 10px; }
.user-phone { font-size: 16px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.user-meta { color: var(--sub); font-size: 13px; margin-top: 4px; }
.badge { font-size: 11px; padding: 2px 8px; border-radius: 999px; font-weight: 600; }
.badge-ok { background: rgba(46,204,113,.15); color: #2ecc71; }
.badge-block { background: rgba(255,90,95,.15); color: #ff5a5f; }
.user-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.mini {
    flex: 1; min-width: 54px;
    border: 1px solid var(--line);
    background: var(--card2);
    color: var(--text);
    border-radius: 9px;
    padding: 8px 4px;
    font-size: 13px;
    cursor: pointer;
    transition: transform .1s;
}
.mini:active { transform: scale(.97); }
.mini-danger { color: #ff5a5f; border-color: rgba(255,90,95,.4); }
.mini-ok { color: #2ecc71; border-color: rgba(46,204,113,.4); }
.mini-warn { color: #ffb44d; border-color: rgba(255,180,77,.4); }
.admin-tip { color: #6b7585; font-size: 12px; margin: 16px 2px 0; line-height: 1.6; }
.admin-empty { color: var(--sub); text-align: center; padding: 30px 0; }