/* ════════════════════════════════════════════════════
   頂峰資訊官網 — 後台管理介面樣式
   ════════════════════════════════════════════════════ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0
}

:root {
  --navy: #0b1f3a;
  --navy-mid: #163255;
  --blue: #1a5fa8;
  --blue-light: #2a7fd4;
  --accent: #ef821d;
  --text: #1c1c1c;
  --text-mid: #555;
  --text-light: #999;
  --bg: #f4f6f9;
  --card: #fff;
  --border: #e2e7ef;
  --danger: #d0453c;
  --success: #2e9e5b;
  --side-w: 240px;
  --top-h: 60px;
}

html {
  font-size: 15px
}

body {
  font-family: 'Noto Sans TC', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh
}

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

ul {
  list-style: none
}

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

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

/* ─── 側邊欄 ─────────────────────────────────────── */
.side {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--side-w);
  background: linear-gradient(180deg, var(--navy) 0%, #0d2445 100%);
  color: rgba(255, 255, 255, .7);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform .3s ease
}

.side-logo {
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, .08)
}

.side-logo-box {
  background: #fff;
  border-radius: 4px;
  padding: 10px 12px
}

.side-logo-box img {
  width: 100%;
  height: auto
}

.side-logo-sub {
  font-size: 10px;
  letter-spacing: .24em;
  color: rgba(255, 255, 255, .35);
  text-transform: uppercase;
  margin-top: 10px;
  text-align: center;
  font-family: 'DM Sans', sans-serif
}

.side-nav {
  flex: 1;
  overflow-y: auto;
  padding: 18px 12px
}

.side-nav-h {
  font-size: 10px;
  letter-spacing: .2em;
  color: rgba(255, 255, 255, .3);
  text-transform: uppercase;
  padding: 14px 12px 8px;
  font-family: 'DM Sans', sans-serif
}

.side-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border-radius: 6px;
  font-size: 13.5px;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .65);
  transition: background .15s, color .15s;
  margin-bottom: 2px
}

.side-nav a svg {
  flex-shrink: 0;
  opacity: .7
}

.side-nav a:hover {
  background: rgba(255, 255, 255, .06);
  color: #fff
}

.side-nav a.active {
  background: var(--blue);
  color: #fff
}

.side-nav a.active svg {
  opacity: 1
}

/* 側邊欄下拉選單 */
.side-group {
  margin-bottom: 2px
}

.side-nav-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border: none;
  background: none;
  border-radius: 6px;
  font-size: 13.5px;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .65);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: background .15s, color .15s
}

.side-nav-toggle svg:first-child {
  flex-shrink: 0;
  opacity: .7
}

.side-nav-toggle:hover {
  background: rgba(255, 255, 255, .06);
  color: #fff
}

.side-nav-toggle .side-chev {
  margin-left: auto;
  opacity: .5;
  transition: transform .2s ease
}

.side-group.open .side-nav-toggle {
  background: rgba(255, 255, 255, .06);
  color: #fff
}

.side-group.open .side-nav-toggle .side-chev {
  transform: rotate(180deg)
}

.side-sub {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease
}

.side-group.open .side-sub {
  max-height: 200px
}

.side-sub a {
  display: block;
  padding: 9px 12px 9px 42px;
  font-size: 13px;
  border-radius: 6px;
  color: rgba(255, 255, 255, .5);
  transition: background .15s, color .15s
}

.side-sub a:hover {
  background: rgba(255, 255, 255, .06);
  color: #fff
}

.side-sub a.active {
  color: #fff;
  font-weight: 500
}

.side-foot {
  padding: 14px 12px;
  border-top: 1px solid rgba(255, 255, 255, .08)
}

.side-foot a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
  transition: background .15s, color .15s
}

.side-foot a:hover {
  background: rgba(255, 255, 255, .06);
  color: #fff
}

/* ─── 頂欄 ───────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0;
  left: var(--side-w);
  right: 0;
  height: var(--top-h);
  background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 28px;
  z-index: 90
}

.tb-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  color: var(--text-mid)
}

.tb-crumb {
  font-size: 13px;
  color: var(--text-light);
  letter-spacing: .04em
}

.tb-crumb strong {
  color: var(--text);
  font-weight: 500
}

.tb-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px
}

.tb-view {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--blue);
  border: 1px solid rgba(26, 95, 168, .35);
  padding: 6px 14px;
  border-radius: 4px;
  transition: background .15s, color .15s
}

.tb-view:hover {
  background: var(--blue);
  color: #fff
}

.tb-user-wrap {
  position: relative
}

.tb-user {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-mid);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 6px;
  transition: background .15s
}

.tb-user:hover {
  background: var(--bg)
}

.tb-user-chev {
  opacity: .5;
  transition: transform .2s ease
}

.tb-user-wrap.open .tb-user-chev {
  transform: rotate(180deg)
}

.tb-user-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 170px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 14px 32px rgba(11, 31, 58, .14);
  padding: 6px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity .15s ease, transform .15s ease;
  z-index: 200
}

.tb-user-wrap.open .tb-user-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0)
}

.tb-user-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-mid);
  transition: background .15s, color .15s
}

.tb-user-menu a:hover {
  background: var(--bg);
  color: var(--blue)
}

.tb-user-menu a svg {
  flex-shrink: 0;
  opacity: .7
}

.tb-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700
}

/* ─── 主內容 ─────────────────────────────────────── */
.main {
  margin-left: var(--side-w);
  padding: calc(var(--top-h) + 28px) 28px 48px
}

.pg-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px
}

.pg-h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .02em
}

.pg-h1 small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--text-light);
  letter-spacing: .14em;
  text-transform: uppercase;
  font-family: 'DM Sans', sans-serif;
  margin-top: 2px
}

/* ─── 按鈕 ───────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 5px;
  font-size: 13px;
  letter-spacing: .06em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s
}

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

.btn-primary:hover {
  background: var(--navy)
}

.btn-outline {
  background: #fff;
  border-color: var(--border);
  color: var(--text-mid)
}

.btn-outline:hover {
  border-color: var(--blue);
  color: var(--blue)
}

.btn-danger-o {
  background: #fff;
  border-color: rgba(208, 69, 60, .4);
  color: var(--danger)
}

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

.btn-sm {
  padding: 5px 12px;
  font-size: 12px
}

/* ─── 統計卡 ─────────────────────────────────────── */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 28px
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px 24px;
  position: relative;
  overflow: hidden
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--blue)
}

.stat-card.c2::after { background: var(--accent) }
.stat-card.c3::after { background: var(--success) }
.stat-card.c4::after { background: var(--navy-mid) }

.stat-label {
  font-size: 12px;
  color: var(--text-light);
  letter-spacing: .08em;
  margin-bottom: 8px
}

.stat-num {
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--navy);
  font-family: 'DM Sans', sans-serif
}

/* ─── 卡片 / 表格 ────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 24px
}

.card-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 16px 22px;
  border-bottom: 1px solid var(--border)
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em
}

.card-bd {
  padding: 22px
}

.card-bd.flush {
  padding: 0
}

/* 按鈕群組篩選（切換 / 篩選用） */
.btn-group-toggle {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden
}

.btn-group-toggle button {
  border: none;
  border-right: 1px solid var(--border);
  background: #fff;
  padding: 8px 14px;
  font-size: 12.5px;
  color: var(--text-mid);
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, color .15s
}

.btn-group-toggle button:last-child {
  border-right: none
}

.btn-group-toggle button:hover {
  background: var(--bg)
}

.btn-group-toggle button.active {
  background: var(--blue);
  color: #fff
}

.btn-group-toggle button.add {
  color: var(--blue);
  font-weight: 700
}

/* 服務項目分頁面板 */
.service-panel {
  display: none
}

.service-panel.active {
  display: block
}

/* 工具列（搜尋 + 篩選） */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 7px 12px
}

.search-box input {
  border: none;
  background: none;
  outline: none;
  font-size: 13px;
  width: 180px;
  color: var(--text)
}

.filter-sel {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 5px;
  padding: 7px 10px;
  font-size: 13px;
  color: var(--text-mid);
  outline: none
}

/* 表格 */
.tbl-wrap {
  overflow-x: auto
}

.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px
}

.tbl th {
  text-align: left;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--text-light);
  font-weight: 500;
  text-transform: uppercase;
  font-family: 'DM Sans', sans-serif;
  padding: 13px 22px;
  border-bottom: 1px solid var(--border);
  background: #fafbfd;
  white-space: nowrap
}

.tbl td {
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text-mid)
}

.tbl tr:last-child td {
  border-bottom: none
}

.tbl tbody tr:hover {
  background: #f8fafd
}

.tbl .t-title {
  color: var(--text);
  font-weight: 500
}

.tbl .t-title small {
  display: block;
  font-weight: 400;
  font-size: 12px;
  color: var(--text-light)
}

.tbl .t-num {
  font-family: 'DM Sans', sans-serif;
  color: var(--text-light);
  font-size: 12.5px
}

.t-actions {
  display: flex;
  gap: 6px;
  white-space: nowrap
}

/* 狀態徽章 */
.tag {
  display: inline-block;
  font-size: 11.5px;
  padding: 3px 12px;
  border-radius: 12px;
  letter-spacing: .04em;
  white-space: nowrap
}

.tag-pub {
  background: rgba(46, 158, 91, .12);
  color: var(--success)
}

.tag-draft {
  background: rgba(0, 0, 0, .07);
  color: var(--text-mid)
}

.tag-off {
  background: rgba(208, 69, 60, .1);
  color: var(--danger)
}

.tag-new {
  background: rgba(239, 130, 29, .14);
  color: var(--accent);
  font-weight: 700
}

.tag-cat {
  background: rgba(26, 95, 168, .1);
  color: var(--blue)
}

/* 分頁 */
.pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 14px 22px;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--text-light)
}

.pager-btns {
  display: flex;
  gap: 4px
}

.pager-btns button {
  min-width: 30px;
  height: 30px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12.5px;
  color: var(--text-mid);
  transition: border-color .15s, color .15s
}

.pager-btns button:hover {
  border-color: var(--blue);
  color: var(--blue)
}

.pager-btns button.cur {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff
}

.pager-btns a {
  min-width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12.5px;
  color: var(--text-mid);
  transition: border-color .15s, color .15s
}

.pager-btns a:hover {
  border-color: var(--blue);
  color: var(--blue)
}

.pager-btns a.cur {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff
}

/* ─── 表單 ───────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  align-items: start
}

.fg {
  margin-bottom: 18px
}

.fg label {
  display: block;
  font-size: 12.5px;
  color: var(--text-mid);
  letter-spacing: .05em;
  margin-bottom: 7px;
  font-weight: 500
}

.fg label em {
  color: var(--accent);
  font-style: normal
}

.fg input,
.fg select,
.fg textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: #fff;
  padding: 10px 13px;
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border-color .15s, box-shadow .15s
}

.fg input:focus,
.fg select:focus,
.fg textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26, 95, 168, .12)
}

.fg textarea {
  min-height: 320px;
  resize: vertical;
  line-height: 1.9
}

.fg .hint {
  font-size: 11.5px;
  color: var(--text-light);
  margin-top: 6px
}

.fg-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px
}

/* 假編輯器工具列 */
.editor-bar {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 5px 5px 0 0;
  background: #fafbfd;
  padding: 6px 8px
}

.editor-bar button {
  border: none;
  background: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-mid)
}

.editor-bar button:hover {
  background: rgba(26, 95, 168, .1);
  color: var(--blue)
}

.editor-bar + textarea {
  border-radius: 0 0 5px 5px
}

/* 上傳框 */
.upload-box {
  border: 2px dashed var(--border);
  border-radius: 6px;
  padding: 28px 16px;
  text-align: center;
  color: var(--text-light);
  font-size: 12.5px;
  cursor: pointer;
  transition: border-color .15s, color .15s
}

.upload-box:hover {
  border-color: var(--blue);
  color: var(--blue)
}

.upload-box svg {
  margin: 0 auto 8px
}

/* ─── 登入頁 ─────────────────────────────────────── */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(140deg, #071426 0%, #0b2040 50%, #0f2a50 100%);
  padding: 24px;
  position: relative;
  overflow: hidden
}

.login-body::before {
  content: '';
  position: absolute;
  right: -180px;
  top: -180px;
  width: 560px;
  height: 560px;
  border: 1px solid rgba(255, 255, 255, .05);
  border-radius: 50%
}

.login-body::after {
  content: '';
  position: absolute;
  left: -140px;
  bottom: -200px;
  width: 460px;
  height: 460px;
  border: 1px solid rgba(239, 130, 29, .12);
  border-radius: 50%
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: 10px;
  padding: 40px 38px 34px;
  position: relative;
  z-index: 1;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .35)
}

.login-logo {
  margin-bottom: 8px
}

.login-logo img {
  width: 230px;
  margin: 0 auto
}

.login-sub {
  text-align: center;
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--text-light);
  text-transform: uppercase;
  font-family: 'DM Sans', sans-serif;
  margin-bottom: 30px
}

.login-btn {
  width: 100%;
  background: var(--navy);
  color: #fff;
  border: none;
  border-radius: 5px;
  padding: 13px;
  font-size: 14px;
  letter-spacing: .2em;
  cursor: pointer;
  transition: background .2s;
  margin-top: 6px
}

.login-btn:hover {
  background: var(--blue)
}

.login-foot {
  text-align: center;
  font-size: 11.5px;
  color: var(--text-light);
  margin-top: 22px
}

.login-copy {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 11px;
  color: rgba(255, 255, 255, .3);
  letter-spacing: .06em
}

/* ─── 儀表板雙欄 ─────────────────────────────────── */
.dash-cols {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 24px;
  align-items: start
}

.mini-list {
  display: flex;
  flex-direction: column
}

.mini-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 22px;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px
}

.mini-item:last-child {
  border-bottom: none
}

.mini-date {
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  color: var(--text-light);
  white-space: nowrap
}

.mini-title {
  color: var(--text);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap
}

/* ─── 訊息詳情列 ─────────────────────────────────── */
.msg-row.unread .t-title {
  font-weight: 700
}

.msg-row.unread td:first-child {
  position: relative
}

.msg-row.unread td:first-child::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent)
}

/* ─── 設定頁 ─────────────────────────────────────── */
.set-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start
}

/* switch */
.switch {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 23px;
  flex-shrink: 0
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0
}

.switch .sl {
  position: absolute;
  inset: 0;
  background: #ccd3dd;
  border-radius: 20px;
  cursor: pointer;
  transition: background .2s
}

.switch .sl::before {
  content: '';
  position: absolute;
  width: 17px;
  height: 17px;
  left: 3px;
  top: 3px;
  border-radius: 50%;
  background: #fff;
  transition: transform .2s
}

.switch input:checked + .sl {
  background: var(--success)
}

.switch input:checked + .sl::before {
  transform: translateX(19px)
}

.set-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px
}

.set-item:last-child {
  border-bottom: none
}

.set-item small {
  display: block;
  color: var(--text-light);
  font-size: 12px
}

/* ─── 首頁內容編輯項目 ──────────────────────────── */
.ct-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--border)
}

.ct-item:first-child {
  padding-top: 0
}

.ct-item:last-child {
  padding-bottom: 0;
  border-bottom: none
}

.ct-item-hd {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px
}

.ct-item-hd .tag {
  font-family: 'DM Sans', sans-serif;
  font-weight: 700
}

.ct-item-hd span {
  font-size: 12px;
  color: var(--text-light)
}

/* ─── 遮罩（手機側欄）────────────────────────────── */
.side-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .4);
  z-index: 95
}

/* ─── Responsive ─────────────────────────────────── */
@media(max-width:1100px) {
  .stat-cards {
    grid-template-columns: 1fr 1fr
  }

  .dash-cols,
  .form-grid,
  .set-grid {
    grid-template-columns: 1fr
  }
}

@media(max-width:800px) {
  .side {
    transform: translateX(-100%)
  }

  body.side-open .side {
    transform: translateX(0)
  }

  body.side-open .side-mask {
    display: block
  }

  .topbar {
    left: 0;
    padding: 0 16px
  }

  .tb-toggle {
    display: block
  }

  .main {
    margin-left: 0;
    padding: calc(var(--top-h) + 20px) 16px 40px
  }

  .stat-cards {
    grid-template-columns: 1fr
  }

  .fg-row {
    grid-template-columns: 1fr
  }

  .tb-user span {
    display: none
  }
}

/* ── 動態版新增樣式（表單按鈕化的連結／訊息提示／驗證錯誤） ── */
.link-btn {
  all: unset;
  cursor: pointer;
  box-sizing: border-box;
}

.side-foot form .link-btn,
.side-foot a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
  width: 100%;
  color: rgba(255, 255, 255, .5);
  transition: background .15s, color .15s
}

.side-foot form .link-btn:hover {
  background: rgba(255, 255, 255, .06);
  color: #fff
}

.tb-user-menu form .link-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 6px;
  font-size: 13px;
  width: 100%;
  color: var(--text-mid);
  transition: background .15s, color .15s
}

.tb-user-menu form .link-btn:hover {
  background: var(--bg);
  color: var(--blue)
}

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 20px;
  border: 1px solid transparent;
}

.alert-success {
  background: #eafaf1;
  color: var(--success);
  border-color: #bfead2;
}

.alert-error {
  background: #fdecea;
  color: var(--danger);
  border-color: #f6cdc9;
}

.field-error {
  color: var(--danger);
  font-size: 12px;
  margin-top: 4px;
}

.upload-preview {
  width: 100%;
  max-width: 220px;
  border-radius: 6px;
  border: 1px solid var(--border);
  margin-bottom: 8px;
  display: block;
  object-fit: cover;
  aspect-ratio: 4/3;
}

label.upload-box input[type="file"] {
  display: none;
}

.upload-selected-hint {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--blue);
}

.upload-selected-hint:empty {
  display: none;
}

.login-error {
  background: #fdecea;
  color: var(--danger);
  border: 1px solid #f6cdc9;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
  text-align: center;
}