/* ==========================================================================
   微博 · Web 界面样式
   浅色主题 / 卡片 + 圆角 + 轻阴影 / 响应式（手机 & 桌面）
   ========================================================================== */

:root {
    --primary: #ff8200;
    --primary-dark: #e97300;
    --primary-soft: #fff4e6;
    --danger: #e5484d;
    --danger-soft: #fdecec;
    --success: #30a46c;
    --link: #eb7350;

    --bg: #f5f6f8;
    --card: #ffffff;
    --text: #1c1e21;
    --text-2: #5c6470;
    --text-3: #9aa1ab;
    --border: #eceef1;
    --border-2: #dfe3e8;
    --hover: #f7f8fa;

    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);
    --shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 1px 2px rgba(16, 24, 40, .04);
    --shadow-md: 0 4px 12px rgba(16, 24, 40, .08);
    --shadow-lg: 0 12px 32px rgba(16, 24, 40, .12);

    --nav-h: 56px;
    --container: 1100px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

button,
input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

/* ============================= 导航 ============================= */

.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--nav-h);
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--border);
}

.navbar-inner {
    max-width: var(--container);
    height: 100%;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 19px;
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
}

.brand-mark {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: linear-gradient(135deg, #ff9f2e, #ff6a00);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.nav-link {
    padding: 7px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-2);
    font-weight: 500;
    white-space: nowrap;
    transition: background .15s, color .15s;
}

.nav-link:hover {
    background: var(--hover);
    color: var(--text);
}

.nav-link.active {
    color: var(--primary);
    background: var(--primary-soft);
}

.nav-search {
    flex: 1;
    max-width: 320px;
    min-width: 120px;
    position: relative;
}

.nav-search input {
    width: 100%;
    height: 34px;
    padding: 0 14px;
    border: 1px solid var(--border-2);
    border-radius: 999px;
    background: var(--hover);
    outline: none;
    transition: border-color .15s, background .15s;
}

.nav-search input:focus {
    border-color: var(--primary);
    background: #fff;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.nav-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--border);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px 4px 4px;
    border-radius: 999px;
    transition: background .15s;
}

.nav-user:hover {
    background: var(--hover);
}

.nav-user-name {
    font-weight: 500;
    max-width: 96px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================= 布局 ============================= */

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 20px 16px 60px;
}

.layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 20px;
    align-items: start;
}

.layout-full {
    display: block;
}

.sidebar {
    position: sticky;
    top: calc(var(--nav-h) + 20px);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 14px;
}

/* ============================= 卡片 ============================= */

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.card-pad {
    padding: 16px;
}

.card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}

.card-title {
    font-size: 15px;
    font-weight: 700;
    margin: 0;
}

.side-title {
    font-size: 15px;
    font-weight: 700;
    margin: 0;
}

/* ============================= 按钮 ============================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 34px;
    padding: 0 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-2);
    background: #fff;
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    transition: background .15s, border-color .15s, color .15s, opacity .15s;
    white-space: nowrap;
}

.btn:hover {
    background: var(--hover);
}

.btn:disabled {
    opacity: .55;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--text-2);
}

.btn-ghost:hover {
    background: var(--hover);
    color: var(--text);
}

.btn-danger {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    filter: brightness(.94);
    background: var(--danger);
}

.btn-sm {
    height: 28px;
    padding: 0 12px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
}

.btn-following {
    background: var(--hover);
    border-color: var(--border-2);
    color: var(--text-2);
}

/* ============================= 表单 ============================= */

.field {
    margin-bottom: 14px;
}

.field-label {
    display: block;
    font-size: 13px;
    color: var(--text-2);
    margin-bottom: 6px;
    font-weight: 500;
}

.input {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--border-2);
    border-radius: var(--radius-sm);
    background: #fff;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}

.input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 130, 0, .12);
}

textarea.input {
    height: auto;
    padding: 10px 12px;
    resize: vertical;
    line-height: 1.6;
}

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

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

/* ============================= 微博卡片 ============================= */

.wb-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.wb {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 16px;
}

.wb-head {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.wb-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--border);
    flex-shrink: 0;
}

.wb-meta {
    flex: 1;
    min-width: 0;
}

.wb-name {
    font-weight: 600;
    font-size: 15px;
}

.wb-name:hover {
    color: var(--primary);
}

.wb-sub {
    font-size: 12px;
    color: var(--text-3);
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 2px;
}

.wb-more {
    color: var(--text-3);
    padding: 2px 6px;
    border-radius: 4px;
}

.wb-more:hover {
    background: var(--hover);
    color: var(--text-2);
}

.wb-body {
    margin: 10px 0 0;
    font-size: 15px;
    line-height: 1.75;
    color: var(--text);
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
}

.wb-body .topic {
    color: var(--link);
}

.wb-body .at {
    color: var(--link);
}

/* 九宫格媒体 */
.media {
    margin-top: 10px;
    display: grid;
    gap: 4px;
}

.media-1 {
    grid-template-columns: minmax(0, 1fr);
    max-width: 360px;
}

.media-2,
.media-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 360px;
}

.media-3,
.media-5,
.media-6,
.media-7,
.media-8,
.media-9 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 420px;
}

.media-item {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--hover);
    cursor: zoom-in;
}

.media-1 .media-item {
    aspect-ratio: 4 / 3;
}

.media-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .2s;
}

.media-item:hover img {
    transform: scale(1.03);
}

.media-video-badge {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, .25);
    color: #fff;
    font-size: 26px;
    pointer-events: none;
}

/* 转发引用块 */
.retweet {
    margin-top: 10px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--hover);
}

.retweet-name {
    color: var(--link);
    font-weight: 500;
}

.retweet-text {
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
    margin-top: 2px;
    color: var(--text);
}

.retweet-deleted {
    color: var(--text-3);
    font-style: normal;
}

/* 操作栏 */
.wb-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

.wb-act {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 32px;
    border-radius: var(--radius-sm);
    color: var(--text-2);
    font-size: 13px;
    transition: background .15s, color .15s;
}

.wb-act:hover {
    background: var(--hover);
    color: var(--text);
}

.wb-act.active {
    color: var(--primary);
    font-weight: 600;
}

.wb-act.danger:hover {
    color: var(--danger);
    background: var(--danger-soft);
}

.wb-act-ico {
    font-size: 15px;
    line-height: 1;
}

/* ============================= 发布框 ============================= */

.composer {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 14px 16px;
    margin-bottom: 12px;
}

.composer-tabs {
    display: flex;
    gap: 18px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 12px;
}

.composer-tab {
    position: relative;
    padding: 6px 0 10px;
    font-weight: 600;
    color: var(--text-3);
    font-size: 15px;
}

.composer-tab.active {
    color: var(--text);
}

.composer-tab.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 3px;
    border-radius: 3px;
    background: var(--primary);
}

.composer-box {
    width: 100%;
    min-height: 76px;
    max-height: 320px;
    border: none;
    outline: none;
    resize: none;
    font-size: 15px;
    line-height: 1.75;
    background: transparent;
    display: block;
}

.composer-box::placeholder {
    color: var(--text-3);
}

.composer-preview {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    margin-top: 10px;
}

.composer-preview-item {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--hover);
    border: 1px solid var(--border);
}

.composer-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.composer-preview-del {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(0, 0, 0, .55);
    color: #fff;
    font-size: 13px;
    line-height: 20px;
    text-align: center;
}

.composer-preview-del:hover {
    background: rgba(0, 0, 0, .75);
}

.composer-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

.composer-tools {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
}

.composer-tool {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    color: var(--text-2);
    transition: background .15s;
}

.composer-tool:hover {
    background: var(--hover);
}

.composer-count {
    font-size: 13px;
    color: var(--text-3);
    font-variant-numeric: tabular-nums;
}

.composer-count.over {
    color: var(--danger);
    font-weight: 600;
}

.select {
    height: 30px;
    padding: 0 8px;
    border: 1px solid var(--border-2);
    border-radius: var(--radius-sm);
    background: #fff;
    outline: none;
    font-size: 13px;
}

/* ============================= 评论 ============================= */

.cm {
    display: flex;
    gap: 10px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.cm:last-child {
    border-bottom: none;
}

.cm-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--border);
    flex-shrink: 0;
}

.cm-main {
    flex: 1;
    min-width: 0;
}

.cm-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--link);
}

.cm-text {
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
    margin-top: 2px;
}

.cm-foot {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-3);
}

.cm-foot button {
    color: var(--text-3);
    font-size: 12px;
}

.cm-foot button:hover {
    color: var(--primary);
}

.cm-replies {
    margin-top: 8px;
    padding-left: 12px;
    border-left: 2px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ============================= 用户资料 ============================= */

.profile-cover {
    height: 140px;
    border-radius: var(--radius) var(--radius) 0 0;
    background: linear-gradient(120deg, #ffd39b, #ffb066 45%, #ff8f3c);
}

.profile-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: 12px;
}

.profile-body {
    padding: 0 20px 18px;
}

.profile-top {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    margin-top: -38px;
    flex-wrap: wrap;
}

.profile-avatar {
    width: 84px;
    height: 84px;
    border-radius: 50%;
    border: 3px solid #fff;
    object-fit: cover;
    background: var(--border);
    box-shadow: var(--shadow);
}

.profile-actions {
    margin-left: auto;
    display: flex;
    gap: 8px;
    padding-bottom: 4px;
}

.profile-name {
    font-size: 20px;
    font-weight: 700;
    margin: 10px 0 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.profile-intro {
    color: var(--text-2);
    margin: 6px 0 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.profile-stats {
    display: flex;
    gap: 24px;
    margin-top: 14px;
}

.profile-stat {
    display: flex;
    align-items: baseline;
    gap: 5px;
}

.profile-stat b {
    font-size: 17px;
    font-weight: 700;
}

.profile-stat span {
    font-size: 13px;
    color: var(--text-3);
}

/* ============================= 榜单 / 列表 ============================= */

.rank {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    transition: background .15s;
}

.rank:hover {
    background: var(--hover);
}

.rank-no {
    width: 20px;
    flex-shrink: 0;
    font-weight: 700;
    font-size: 14px;
    color: var(--text-3);
    font-variant-numeric: tabular-nums;
    text-align: center;
}

.rank-no.top {
    color: var(--danger);
}

.rank-text {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rank-text:hover {
    color: var(--primary);
}

.rank-num {
    font-size: 12px;
    color: var(--text-3);
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
}

.rank-tag {
    flex-shrink: 0;
    font-size: 11px;
    padding: 1px 5px;
    border-radius: 4px;
    background: var(--danger-soft);
    color: var(--danger);
    font-weight: 600;
}

.rank-tag.hot {
    background: var(--primary-soft);
    color: var(--primary);
}

.user-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.user-row:last-child {
    border-bottom: none;
}

.user-row-info {
    flex: 1;
    min-width: 0;
}

.user-row-name {
    font-weight: 600;
}

.user-row-name:hover {
    color: var(--primary);
}

.user-row-intro {
    font-size: 13px;
    color: var(--text-3);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================= 通知 ============================= */

.nt {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    transition: background .15s;
}

.nt:last-child {
    border-bottom: none;
}

.nt.unread {
    background: var(--primary-soft);
}

.nt-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    background: var(--hover);
}

.nt-icon.like {
    background: var(--danger-soft);
}

.nt-icon.comment {
    background: #e8f1ff;
}

.nt-icon.at {
    background: var(--primary-soft);
}

.nt-icon.follow {
    background: #e6f6ee;
}

.nt-main {
    flex: 1;
    min-width: 0;
}

.nt-text {
    word-break: break-word;
    overflow-wrap: anywhere;
}

.nt-quote {
    margin-top: 6px;
    padding: 6px 10px;
    border-left: 3px solid var(--border-2);
    color: var(--text-2);
    font-size: 13px;
    background: var(--hover);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    word-break: break-word;
}

.nt-time {
    font-size: 12px;
    color: var(--text-3);
    margin-top: 4px;
}

/* ============================= 私信 ============================= */

.im {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 0;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    min-height: 460px;
}

.im-list {
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    max-height: 560px;
    overflow-y: auto;
}

.im-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background .15s;
}

.im-item:hover {
    background: var(--hover);
}

.im-item.active {
    background: var(--primary-soft);
}

.im-item-info {
    flex: 1;
    min-width: 0;
}

.im-item-name {
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.im-item-msg {
    font-size: 12px;
    color: var(--text-3);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.im-panel {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.im-head {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
}

.im-msgs {
    flex: 1;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 400px;
    overflow-y: auto;
}

.im-msg-row {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.im-msg-row.mine {
    flex-direction: row-reverse;
}

.im-bubble {
    max-width: 68%;
    padding: 9px 13px;
    border-radius: 14px;
    background: var(--hover);
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
    line-height: 1.6;
}

.im-msg-row.mine .im-bubble {
    background: var(--primary);
    color: #fff;
}

.im-send {
    display: flex;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid var(--border);
}

.im-send textarea {
    flex: 1;
    min-height: 40px;
    max-height: 120px;
    padding: 9px 12px;
    border: 1px solid var(--border-2);
    border-radius: var(--radius-sm);
    resize: none;
    outline: none;
}

.im-send textarea:focus {
    border-color: var(--primary);
}

/* ============================= 后台 ============================= */

.admin-tabs {
    display: flex;
    gap: 4px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 6px;
    margin-bottom: 16px;
    overflow-x: auto;
}

.admin-tab {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    color: var(--text-2);
    white-space: nowrap;
    transition: background .15s, color .15s;
}

.admin-tab:hover {
    background: var(--hover);
}

.admin-tab.active {
    background: var(--primary);
    color: #fff;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 16px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-3);
}

.stat-value {
    font-size: 26px;
    font-weight: 700;
    margin-top: 4px;
    font-variant-numeric: tabular-nums;
}

.stat-sub {
    font-size: 12px;
    color: var(--text-3);
    margin-top: 2px;
}

.table-wrap {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.table th,
.table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.table th {
    color: var(--text-3);
    font-weight: 500;
    background: var(--hover);
}

.table td {
    vertical-align: middle;
}

.table tbody tr:hover {
    background: var(--hover);
}

.table .cell-wrap {
    white-space: normal;
    max-width: 320px;
    word-break: break-word;
}

/* ============================= 标签 / 徽章 ============================= */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 1px 7px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    background: var(--hover);
    color: var(--text-2);
    border: 1px solid var(--border-2);
}

.badge-v {
    background: var(--primary-soft);
    color: var(--primary);
    border-color: #ffd9ad;
}

.badge-warn {
    background: var(--danger-soft);
    color: var(--danger);
    border-color: #f7cfd0;
}

.badge-ok {
    background: #e6f6ee;
    color: var(--success);
    border-color: #b9e5cf;
}

.badge-gray {
    background: var(--hover);
    color: var(--text-3);
}

.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 14px;
}

.tab {
    position: relative;
    padding: 8px 14px;
    color: var(--text-2);
    font-weight: 500;
    transition: color .15s;
}

.tab:hover {
    color: var(--text);
}

.tab.active {
    color: var(--primary);
    font-weight: 600;
}

.tab.active::after {
    content: "";
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: -1px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.tab-count {
    font-size: 12px;
    color: var(--text-3);
    margin-left: 4px;
}

/* ============================= 状态 ============================= */

.empty {
    padding: 48px 16px;
    text-align: center;
    color: var(--text-3);
}

.empty-ico {
    font-size: 40px;
    opacity: .5;
    margin-bottom: 8px;
}

.loading {
    padding: 20px;
    text-align: center;
    color: var(--text-3);
    font-size: 13px;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin .7s linear infinite;
    vertical-align: -3px;
    margin-right: 6px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.load-more {
    padding: 14px;
    text-align: center;
}

/* 骨架屏 */
.skeleton {
    background: linear-gradient(90deg, #f0f1f3 25%, #e6e8eb 37%, #f0f1f3 63%);
    background-size: 400% 100%;
    animation: shimmer 1.3s ease infinite;
    border-radius: var(--radius-sm);
}

@keyframes shimmer {
    0% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0 50%;
    }
}

/* Toast */
.toast-wrap {
    position: fixed;
    top: 72px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    pointer-events: none;
}

.toast {
    padding: 9px 18px;
    border-radius: 999px;
    background: rgba(28, 30, 33, .92);
    color: #fff;
    font-size: 14px;
    box-shadow: var(--shadow-lg);
    animation: toast-in .22s ease;
    max-width: 86vw;
    text-align: center;
}

.toast.ok {
    background: rgba(48, 164, 108, .95);
}

.toast.err {
    background: rgba(229, 72, 77, .95);
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 弹层 */
.modal-mask {
    position: fixed;
    inset: 0;
    background: rgba(16, 20, 26, .45);
    z-index: 1500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fade-in .18s ease;
}

@keyframes fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 460px;
    max-height: 86vh;
    overflow-y: auto;
    animation: modal-in .2s ease;
}

@keyframes modal-in {
    from {
        opacity: 0;
        transform: scale(.96) translateY(8px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.modal-head {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-body {
    padding: 20px;
}

.modal-foot {
    padding: 12px 20px 18px;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.modal-close {
    color: var(--text-3);
    font-size: 20px;
    line-height: 1;
    padding: 2px 6px;
    border-radius: 4px;
}

.modal-close:hover {
    background: var(--hover);
    color: var(--text);
}

/* 图片查看器 */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .88);
    z-index: 2500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    cursor: zoom-out;
}

.lightbox img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 4px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 24px;
    color: #fff;
    font-size: 30px;
    line-height: 1;
    opacity: .8;
}

.lightbox-close:hover {
    opacity: 1;
}

/* ============================= 登录页 ============================= */

.auth-wrap {
    min-height: calc(100vh - var(--nav-h));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 16px;
    background:
        radial-gradient(1200px 500px at 50% -10%, #fff3e4 0%, rgba(255, 243, 228, 0) 60%),
        linear-gradient(180deg, #fffaf4 0%, #f7f8fa 100%);
}

.auth-card {
    width: 100%;
    max-width: 480px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: 0 12px 40px rgba(234, 88, 12, .08), 0 2px 8px rgba(0, 0, 0, .04);
    padding: 44px 48px 36px;
}

.auth-brand {
    text-align: center;
    margin-bottom: 28px;
}

.auth-brand .brand {
    justify-content: center;
    font-size: 26px;
}

.auth-brand .brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    font-size: 22px;
}

.auth-slogan {
    color: var(--text-3);
    font-size: 14px;
    margin-top: 8px;
}

/* 登录卡内的表单元素放大一档，手感更舒展 */
.auth-card .field {
    margin-bottom: 18px;
}

.auth-card .field-label {
    font-size: 14px;
    margin-bottom: 8px;
}

.auth-card .input {
    height: 46px;
    padding: 0 14px;
    font-size: 15px;
    border-radius: 10px;
}

.auth-card .input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(234, 88, 12, .12);
}

.auth-card .code-btn {
    height: 46px;
}

.auth-card .btn-block {
    height: 48px;
    margin-top: 8px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 10px;
    background: linear-gradient(135deg, #ff9a3c, var(--primary));
    box-shadow: 0 6px 16px rgba(234, 88, 12, .25);
    transition: transform .15s, box-shadow .15s;
}

.auth-card .btn-block:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(234, 88, 12, .32);
}

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

.auth-card .auth-hint {
    margin-top: 16px;
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 26px;
}

.step {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-3);
    font-size: 13px;
}

.step-dot {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--hover);
    border: 1px solid var(--border-2);
    color: var(--text-3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
}

.step.active .step-dot {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.step.active {
    color: var(--text);
    font-weight: 600;
}

.step.done .step-dot {
    background: var(--primary-soft);
    border-color: var(--primary);
    color: var(--primary);
}

.step-line {
    width: 44px;
    height: 1px;
    background: var(--border-2);
    margin: 0 10px;
}

.auth-foot {
    margin-top: 18px;
    text-align: center;
    font-size: 13px;
    color: var(--text-3);
}

.auth-foot button {
    color: var(--primary);
    font-weight: 500;
}

.auth-foot button:hover {
    text-decoration: underline;
}

.code-btn {
    height: 40px;
    padding: 0 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--primary);
    color: var(--primary);
    background: #fff;
    font-size: 13px;
    white-space: nowrap;
    flex-shrink: 0;
}

.code-btn:hover:not(:disabled) {
    background: var(--primary-soft);
}

.code-btn:disabled {
    border-color: var(--border-2);
    color: var(--text-3);
    cursor: not-allowed;
}

.auth-tip {
    background: var(--primary-soft);
    border: 1px solid #ffe0bb;
    color: #8a5300;
    border-radius: var(--radius-sm);
    padding: 9px 12px;
    font-size: 13px;
    margin-bottom: 14px;
}

/* 密码登录 / 验证码登录 通道切换 */
.auth-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border-2);
    margin-bottom: 16px;
}

.auth-tab {
    flex: 1;
    height: 38px;
    border: none;
    background: transparent;
    color: var(--text-3);
    font-size: 14px;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.auth-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.auth-hint {
    margin-top: 12px;
    font-size: 12px;
    color: var(--text-3);
    text-align: center;
}

/* ============================= 话题 / 热搜 ============================= */

.topic-hero {
    background: linear-gradient(120deg, #fff2e0, #ffe6cc);
    border: 1px solid #ffd9ad;
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 12px;
}

.topic-title {
    font-size: 20px;
    font-weight: 700;
    color: #b35c00;
    margin: 0;
    word-break: break-word;
}

.topic-meta {
    color: #a06a2c;
    font-size: 13px;
    margin-top: 6px;
}

.topic-desc {
    margin-top: 8px;
    color: #7a4a10;
    white-space: pre-wrap;
    word-break: break-word;
}

.hot-hero {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 20px;
    background: linear-gradient(120deg, #ffe9e9, #ffd6d6);
    border: 1px solid #f7cfd0;
    border-radius: var(--radius);
    margin-bottom: 12px;
}

.hot-hero-title {
    font-size: 18px;
    font-weight: 700;
    color: #c0353a;
}

.hot-hero-sub {
    font-size: 13px;
    color: #a05559;
}

/* ============================= 响应式 ============================= */

@media (max-width: 900px) {
    .layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .sidebar {
        display: none;
    }
}

@media (max-width: 720px) {
    .container {
        padding: 12px 10px 48px;
    }

    .navbar-inner {
        gap: 10px;
        padding: 0 12px;
    }

    .brand span {
        display: none;
    }

    .nav-links {
        gap: 0;
    }

    .nav-link {
        padding: 7px 9px;
        font-size: 13px;
    }

    .nav-search {
        max-width: none;
    }

    .nav-user-name {
        display: none;
    }

    .wb {
        padding: 14px;
        border-radius: var(--radius);
    }

    .media-1 {
        max-width: 100%;
    }

    .media-2,
    .media-4 {
        max-width: 260px;
    }

    .media-3,
    .media-5,
    .media-6,
    .media-7,
    .media-8,
    .media-9 {
        max-width: 100%;
    }

    .im {
        grid-template-columns: minmax(0, 1fr);
    }

    .im-list {
        max-height: 200px;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .profile-top {
        gap: 12px;
    }

    .profile-avatar {
        width: 68px;
        height: 68px;
        margin-top: 12px;
    }

    .profile-actions {
        width: 100%;
        margin-left: 0;
    }

    .auth-card {
        padding: 32px 24px;
        border-radius: 16px;
    }

    .stat-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .toast-wrap {
        top: 64px;
    }
}

@media (max-width: 480px) {
    .nav-search {
        display: none;
    }

    .wb-actions {
        gap: 0;
    }

    .wb-act {
        font-size: 12px;
        gap: 4px;
    }
}

/* ============================= 主题换肤 ============================= */
/*
 * 说明：
 * 1) 浅色基准变量写在 :root；深色只覆盖「表面/文字/描边」，主色仍由 JS 注入
 *    （支持任意自定义色，故无法写死在 CSS 里）。
 * 2) .btn / .input / .modal 等原本硬编码 #fff，深色下统一回到卡片底色。
 */

[data-theme="dark"] {
    --bg: #14161a;
    --card: #1c1f24;
    --text: #e8eaed;
    --text-2: #a7adb8;
    --text-3: #7b828d;
    --border: #2b2f37;
    --border-2: #3a3f49;
    --hover: #23272e;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
    --shadow: 0 1px 3px rgba(0, 0, 0, .45), 0 1px 2px rgba(0, 0, 0, .3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, .5);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, .6);
}

[data-theme="dark"] .navbar {
    background: rgba(28, 31, 36, .9);
}

[data-theme="dark"] .btn,
[data-theme="dark"] .input,
[data-theme="dark"] .select,
[data-theme="dark"] .code-btn,
[data-theme="dark"] .modal,
[data-theme="dark"] .nav-search input:focus,
[data-theme="dark"] .table th {
    background: var(--card);
    color: var(--text);
}

[data-theme="dark"] .card {
    background: var(--card);
}

[data-theme="dark"] .nav-search input,
[data-theme="dark"] .stat-card {
    background: var(--hover);
}

[data-theme="dark"] .auth-card .input {
    background: #12151a;
}

[data-theme="dark"] .auth-wrap {
    background:
        radial-gradient(1200px 500px at 50% -10%, rgba(255, 145, 46, .16) 0%, rgba(0, 0, 0, 0) 60%),
        linear-gradient(180deg, #171a1f 0%, var(--bg) 100%);
}

[data-theme="dark"] .table td {
    border-color: var(--border);
}

/* 平滑过渡：切换主题时不刺眼 */
.navbar,
.card,
.input,
.btn,
.stat-card {
    transition: background-color .25s ease, border-color .25s ease, color .25s ease;
}

/* -------- 导航：管理后台入口（仅管理员可见） -------- */

.nav-admin-entry {
    display: inline-flex;
    align-items: center;
    height: 30px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--primary);
    color: var(--primary);
    background: var(--primary-soft);
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
}

.nav-admin-entry:hover {
    background: var(--primary);
    color: #fff;
}

/* -------- 后台：界面换肤面板 -------- */

.skin-block {
    margin-bottom: 22px;
}

.skin-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.skin-desc {
    font-size: 13px;
    color: var(--text-3);
    margin-bottom: 14px;
}

.skin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
    gap: 12px;
}

.skin-card {
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    padding: 12px;
    cursor: pointer;
    background: var(--card);
    transition: border-color .15s, box-shadow .15s, transform .15s;
}

.skin-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.skin-card.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.skin-preview {
    height: 54px;
    border-radius: 8px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: 1px solid rgba(0, 0, 0, .06);
}

.skin-preview .dot {
    width: 22px;
    height: 22px;
    border-radius: 6px;
}

.skin-preview .bar {
    width: 46px;
    height: 10px;
    border-radius: 5px;
}

.skin-name {
    font-size: 13px;
    font-weight: 500;
    text-align: center;
}

.skin-check {
    color: var(--primary);
    font-size: 12px;
}

.skin-row {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.skin-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.skin-field > span {
    font-size: 13px;
    color: var(--text-2);
}

.skin-picker {
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border-2);
    border-radius: var(--radius-sm);
    padding: 5px 8px;
    background: var(--card);
}

.skin-picker input[type="color"] {
    width: 34px;
    height: 30px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
}

.skin-hex {
    width: 92px;
    height: 30px;
    border: 1px solid var(--border-2);
    border-radius: 6px;
    padding: 0 8px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 13px;
    background: var(--card);
    color: var(--text);
}

.skin-range {
    width: 220px;
    accent-color: var(--primary);
}

.skin-range-val {
    font-variant-numeric: tabular-nums;
    color: var(--text-2);
    font-size: 13px;
    min-width: 44px;
}

.skin-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    padding-top: 6px;
}

.skin-tip {
    font-size: 12px;
    color: var(--text-3);
}

.skin-saved {
    font-size: 12px;
    color: var(--success);
}

@media (max-width: 640px) {
    .skin-range {
        width: 100%;
    }
}