/* ==========================================================================
   锦途办公 - 官网与后台样式表
   版本：1.0.0
   ========================================================================== */

:root {
  --color-primary: #1a6dff;
  --color-primary-dark: #0f52c9;
  --color-primary-soft: #eaf1ff;
  --color-text: #1f2733;
  --color-text-soft: #5b6675;
  --color-line: #e4e8ef;
  --color-bg: #f5f7fb;
  --color-bg-soft: #fafbfe;
  --color-white: #ffffff;
  --color-ok: #17a673;
  --color-ok-soft: #e6f7f0;
  --color-warn: #d97706;
  --color-warn-soft: #fef3e2;
  --color-danger: #dc2626;
  --color-danger-soft: #fdecec;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(24, 34, 51, .06);
  --shadow: 0 8px 24px rgba(24, 34, 51, .08);
  --shadow-lg: 0 18px 48px rgba(24, 34, 51, .12);
  --font: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }

h1, h2, h3, h4 { margin: 0 0 12px; line-height: 1.35; font-weight: 700; }
h1 { font-size: 30px; }
h2 { font-size: 23px; }
h3 { font-size: 17px; }
p { margin: 0 0 10px; }

code {
  background: #eef1f6;
  border-radius: 4px;
  padding: 1px 5px;
  font-family: Consolas, Monaco, monospace;
  font-size: 13px;
  color: #334;
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
}
.container.narrow { max-width: 760px; }

/* ------------------------------------------------------------------ 按钮 */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all .18s ease;
  text-align: center;
  line-height: 1.5;
}
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn-outline { background: #fff; color: var(--color-primary); border-color: #c7d8ff; }
.btn-outline:hover { background: var(--color-primary-soft); color: var(--color-primary-dark); }
.btn-block { display: block; width: 100%; }
.btn-lg { padding: 13px 30px; font-size: 16px; }
.btn-mini { padding: 4px 10px; font-size: 13px; border-radius: 6px; background: #fff; color: var(--color-primary); border-color: #c7d8ff; }
.btn-mini:hover { background: var(--color-primary-soft); }
.btn-danger { color: var(--color-danger); border-color: #f6c6c6; }
.btn-danger:hover { background: var(--color-danger-soft); color: var(--color-danger); }
.btn:disabled { opacity: .6; cursor: not-allowed; }

.link { color: var(--color-primary); font-size: 14px; margin-right: 10px; }

/* ------------------------------------------------------------- 提示条 */
.flash-wrap { margin: 14px auto; }
.flash {
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 10px;
  font-size: 14px;
  border-left: 4px solid var(--color-primary);
  background: var(--color-primary-soft);
  color: #163a7a;
}
.flash-success, .flash-ok { background: var(--color-ok-soft); border-color: var(--color-ok); color: #0d6b4b; }
.flash-danger, .flash-error { background: var(--color-danger-soft); border-color: var(--color-danger); color: #96201f; }
.flash-warning { background: var(--color-warn-soft); border-color: var(--color-warn); color: #8a5106; }
.flash-info { background: #eef1f6; border-color: #9aa7b8; color: #3a4453; }
.error-list { margin: 0; padding-left: 18px; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}
.badge-warn { background: var(--color-warn-soft); color: var(--color-warn); }

.tag {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  background: #eef1f6;
  color: #556;
}
.tag-ok { background: var(--color-ok-soft); color: var(--color-ok); }
.tag-warn { background: var(--color-warn-soft); color: var(--color-warn); }
.tag-busy { background: var(--color-danger-soft); color: var(--color-danger); }
.text-ok { color: var(--color-ok); }
.text-warn { color: var(--color-warn); }

/* ------------------------------------------------------------- 站点头部 */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 30;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--color-text); }
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #1a6dff, #4b9bff);
  color: #fff;
  font-weight: 700;
  font-size: 19px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 17px; }
.brand-text em { font-style: normal; font-size: 12px; color: var(--color-text-soft); }
.nav-links { display: flex; gap: 24px; }
.nav-links a { color: var(--color-text-soft); font-size: 15px; font-weight: 500; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav-links a:hover { color: var(--color-primary); }
.nav-links a.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* ------------------------------------------------------------- Hero 区 */
.hero { background: linear-gradient(160deg, #eef4ff 0%, #f7f9fd 60%, #f5f7fb 100%); padding: 56px 0 64px; }
.hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: #fff;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
}
.hero-text h1 { font-size: 38px; margin-bottom: 10px; }
.hero-sub { font-size: 17px; color: #2c4a86; font-weight: 600; margin-bottom: 12px; }
.hero-desc { color: var(--color-text-soft); margin-bottom: 22px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-meta { list-style: none; display: flex; gap: 30px; margin: 0; padding: 0; flex-wrap: wrap; }
.hero-meta li { display: flex; flex-direction: column; }
.hero-meta span { font-size: 12px; color: var(--color-text-soft); }
.hero-meta strong { font-size: 14px; }

.hero-card { background: #fff; border-radius: 16px; padding: 22px; box-shadow: var(--shadow-lg); }
.hero-card-note { font-size: 13px; color: var(--color-text-soft); margin: 14px 0 0; }
.win-mock { border: 1px solid var(--color-line); border-radius: 10px; overflow: hidden; }
.win-mock-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #f2f5fa;
  padding: 9px 12px;
  border-bottom: 1px solid var(--color-line);
}
.win-mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #d6dce6; }
.win-mock-bar span { margin-left: 8px; font-size: 13px; color: var(--color-text-soft); }
.win-mock-body { padding: 18px; background: #fff; }
.mock-row { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px dashed var(--color-line); font-size: 14px; }
.mock-row label { color: var(--color-text-soft); }
.mock-row span { font-family: Consolas, monospace; }
.mock-status { margin-top: 14px; font-size: 13px; color: var(--color-ok); display: flex; align-items: center; gap: 7px; }
.mock-status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-ok); }

/* ------------------------------------------------------------- 通用区块 */
.section { padding: 56px 0; }
.section-title { text-align: center; margin-bottom: 34px; font-size: 26px; }
.page-head { background: #fff; border-bottom: 1px solid var(--color-line); padding: 40px 0 30px; }
.page-head h1 { margin-bottom: 8px; }
.page-head p { color: var(--color-text-soft); margin: 0; }
.page-head.install-head { background: linear-gradient(160deg, #eef4ff, #fff); }

/* ------------------------------------------------------------- 产品能力 */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-card { background: #fff; border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); border: 1px solid var(--color-line); }
.feature-card h3 { color: #163a7a; }
.feature-card p { color: var(--color-text-soft); font-size: 14px; margin: 0; }

/* ------------------------------------------------------------- 下载模块 */
.download-section { background: #fff; }
.download-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.download-card { background: var(--color-bg-soft); border: 1px solid var(--color-line); border-radius: var(--radius); padding: 24px; }
.download-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.download-head h3 { margin: 0; }
.os-tag { display: inline-block; padding: 3px 10px; border-radius: 6px; background: var(--color-primary-soft); color: var(--color-primary-dark); font-size: 12px; font-weight: 700; }
.download-info { list-style: none; margin: 0 0 18px; padding: 0; }
.download-info li { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px dashed var(--color-line); font-size: 14px; }
.download-info span { color: var(--color-text-soft); }
.download-note { font-size: 13px; color: var(--color-text-soft); margin: 12px 0 0; }
.coming-soon { text-align: center; padding: 26px 10px; background: #fff; border-radius: var(--radius-sm); border: 1px dashed var(--color-line); }
.coming-soon p { color: var(--color-text-soft); font-size: 14px; margin: 10px 0 0; }
.qr-box { text-align: center; padding: 14px; background: #fff; border-radius: var(--radius-sm); border: 1px solid var(--color-line); margin-bottom: 16px; }
.qr-box img { display: block; margin: 0 auto; max-width: 100%; height: auto; }
.qr-tip { font-size: 13px; color: var(--color-text-soft); margin: 10px 0 0; }

/* ------------------------------------------------------------- 步骤说明 */
.steps-section { background: var(--color-bg); }
.step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step-card { background: #fff; border-radius: var(--radius); padding: 24px; border: 1px solid var(--color-line); }
.step-no { font-size: 22px; font-weight: 700; color: #c9d8f5; display: block; margin-bottom: 8px; }
.step-card p { color: var(--color-text-soft); font-size: 14px; margin: 0; }

/* ------------------------------------------------------------- 提示卡片 */
.notice-card { background: #fff; border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); text-align: center; border: 1px solid var(--color-line); }
.notice-reason { color: var(--color-text-soft); }
.notice-tips { text-align: left; color: var(--color-text-soft); font-size: 14px; margin: 18px 0; padding-left: 20px; }
.notice-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 20px; }
.error-card .badge { margin-bottom: 12px; }

/* --------------------------------------------------------- 移动端提示 */
.mobile-hint { margin-top: 22px; background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-sm); padding: 14px 18px; }
.mobile-hint p { margin: 0; font-size: 14px; color: var(--color-text-soft); }
.mobile-hint .hint-warn { color: var(--color-warn); margin-bottom: 8px; }

/* ------------------------------------------------------------- 安装向导 */
.install-layout { display: grid; grid-template-columns: 340px 1fr; gap: 28px; align-items: start; }
.install-checks, .install-form-wrap { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); }
.install-checks h2, .install-form-wrap h2 { font-size: 18px; margin-bottom: 16px; }
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px dashed var(--color-line); }
.check-list li:last-child { border-bottom: none; }
.check-icon { width: 22px; height: 22px; flex: 0 0 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; background: var(--color-danger-soft); color: var(--color-danger); }
.check-list li.ok .check-icon { background: var(--color-ok-soft); color: var(--color-ok); }
.check-body strong { font-size: 14px; }
.check-detail { font-size: 13px; color: var(--color-text-soft); margin: 2px 0 0; }
.check-hint { font-size: 13px; color: var(--color-warn); margin: 2px 0 0; }
.install-steps { margin-top: 18px; }
.install-steps h3 { font-size: 15px; }
.install-steps ul { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.install-steps li { display: flex; gap: 8px; padding: 6px 0; color: var(--color-text-soft); }
.install-steps li.ok { color: var(--color-ok); }
.install-steps li.fail { color: var(--color-danger); }
.install-tips { margin-top: 20px; background: var(--color-bg-soft); border-radius: var(--radius-sm); padding: 16px; }
.install-tips h3 { font-size: 15px; color: #163a7a; }
.install-tips ol { margin: 0; padding-left: 18px; font-size: 13px; color: var(--color-text-soft); }
.install-tips li { margin-bottom: 6px; }
.install-warn { color: var(--color-warn); font-size: 13px; margin-top: 10px; margin-bottom: 0; }

.install-form fieldset { border: 1px solid var(--color-line); border-radius: var(--radius-sm); padding: 18px; margin: 0 0 18px; }
.install-form legend { padding: 0 8px; font-weight: 700; color: #163a7a; font-size: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.field-full { grid-column: 1 / -1; }
.field span { font-size: 13px; color: var(--color-text-soft); font-weight: 600; }
.field span em { color: var(--color-danger); font-style: normal; }
.field input[type="text"], .field input[type="password"], .field input[type="number"], .field input[type="file"],
.field textarea, .field select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  color: var(--color-text);
  background: #fff;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(26, 109, 255, .12); }
.field textarea { resize: vertical; }
.field-hint { font-size: 13px; color: var(--color-text-soft); }
.form-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 14px; }
.test-result { font-size: 13px; }
.test-result.ok { color: var(--color-ok); }
.test-result.fail { color: var(--color-danger); }
.install-submit { text-align: center; margin-top: 8px; }
.submit-hint { font-size: 13px; color: var(--color-text-soft); margin-top: 10px; }

.done-card { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); text-align: center; }
.done-icon { width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 50%; background: var(--color-ok-soft); color: var(--color-ok); font-size: 28px; display: flex; align-items: center; justify-content: center; }
.done-sub { color: var(--color-text-soft); }
.done-account { list-style: none; margin: 22px 0; padding: 0; background: var(--color-bg-soft); border-radius: var(--radius-sm); }
.done-account li { display: flex; justify-content: space-between; padding: 11px 16px; border-bottom: 1px dashed var(--color-line); font-size: 14px; }
.done-account li:last-child { border-bottom: none; }
.done-account span { color: var(--color-text-soft); }
.done-title { font-size: 17px; margin-top: 26px; }
.done-card .check-list { text-align: left; }
.done-card .install-tips { text-align: left; }
.done-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin: 22px 0; }

/* ------------------------------------------------------------- 登录页 */
.login-section { display: flex; align-items: center; min-height: 62vh; }
.login-card { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.login-card h1 { text-align: center; font-size: 22px; }
.login-sub { text-align: center; color: var(--color-text-soft); font-size: 14px; margin-bottom: 22px; }
.login-form .field { margin-bottom: 16px; }
.login-form .btn { margin-top: 8px; }
.login-tips { margin-top: 20px; font-size: 13px; color: var(--color-text-soft); }
.login-tips p { margin: 0 0 6px; }

/* ------------------------------------------------------------- 后台框架 */
.admin-page { background: var(--color-bg); }
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 226px;
  flex: 0 0 226px;
  background: #10203a;
  color: #c8d3e3;
  display: flex;
  flex-direction: column;
  padding: 20px 0;
}
.admin-brand { display: flex; gap: 10px; align-items: center; padding: 0 20px 20px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.admin-brand .brand-mark { width: 36px; height: 36px; font-size: 17px; }
.admin-brand strong { display: block; color: #fff; font-size: 15px; }
.admin-brand em { font-style: normal; font-size: 12px; color: #8ba0bd; }
.admin-nav { display: flex; flex-direction: column; padding: 14px 0; flex: 1; }
.admin-nav a { color: #c8d3e3; padding: 11px 20px; font-size: 14px; border-left: 3px solid transparent; }
.admin-nav a:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.admin-nav a.active { background: rgba(26, 109, 255, .18); border-left-color: #4b9bff; color: #fff; font-weight: 600; }
.admin-sidebar-footer { padding: 14px 20px 0; border-top: 1px solid rgba(255, 255, 255, .08); display: flex; flex-direction: column; gap: 8px; }
.admin-sidebar-footer a { color: #8ba0bd; font-size: 13px; }
.admin-sidebar-footer a:hover { color: #fff; }

.admin-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.admin-topbar {
  background: #fff;
  border-bottom: 1px solid var(--color-line);
  padding: 16px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.admin-topbar h1 { font-size: 19px; margin: 0; }
.admin-user { font-size: 13px; color: var(--color-text-soft); }
.admin-main .flash-wrap { padding: 16px 26px 0; margin: 0; }
.admin-section { padding: 22px 26px; }
.admin-section-narrow { max-width: 620px; }
.admin-section-title { font-size: 16px; margin-bottom: 14px; }
.admin-footer { margin-top: auto; padding: 18px 26px; border-top: 1px solid var(--color-line); font-size: 12px; color: var(--color-text-soft); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ------------------------------------------------------------- 统计卡片 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.stat-card { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius); padding: 18px 20px; }
.stat-label { display: block; font-size: 13px; color: var(--color-text-soft); }
.stat-value { display: block; font-size: 28px; font-weight: 700; margin: 6px 0 4px; color: #163a7a; }
.stat-foot { display: block; font-size: 12px; color: var(--color-text-soft); word-break: break-all; }

/* ------------------------------------------------------------- 柱状图 */
.chart { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius); padding: 22px 18px 14px; display: flex; align-items: flex-end; gap: 14px; height: 240px; }
.chart-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; gap: 6px; }
.chart-value { font-size: 12px; color: var(--color-text-soft); }
.chart-bar { width: 100%; max-width: 46px; min-height: 3px; background: linear-gradient(180deg, #4b9bff, #1a6dff); border-radius: 6px 6px 0 0; transition: height .3s ease; }
.chart-label { font-size: 12px; color: var(--color-text-soft); white-space: nowrap; }

/* ------------------------------------------------------------- 数据表格 */
.data-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius); overflow: hidden; font-size: 14px; }
.data-table th, .data-table td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--color-line); vertical-align: middle; }
.data-table thead th { background: var(--color-bg-soft); font-size: 13px; color: var(--color-text-soft); font-weight: 600; }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: #fafcff; }
.data-table .row-active { background: #f3f8ff; }
.cell-wrap { max-width: 280px; word-break: break-all; }
.cell-actions { white-space: nowrap; }
.inline-form { display: inline-block; margin-right: 6px; }
.empty-text { color: var(--color-text-soft); font-size: 14px; background: #fff; border: 1px dashed var(--color-line); border-radius: var(--radius-sm); padding: 18px; margin: 0; }

/* --------------------------------------------------------- 中继与上传区 */
.relay-panel { display: flex; flex-direction: column; gap: 14px; }
.relay-info { list-style: none; margin: 0; padding: 0; background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius); }
.relay-info li { display: flex; justify-content: space-between; gap: 16px; padding: 11px 16px; border-bottom: 1px dashed var(--color-line); font-size: 14px; }
.relay-info li:last-child { border-bottom: none; }
.relay-info span { color: var(--color-text-soft); flex: 0 0 auto; }
.relay-info strong { text-align: right; word-break: break-all; font-weight: 600; }

.upload-form, .settings-form { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius); padding: 22px; }
.settings-form .field { margin-bottom: 14px; }

/* ------------------------------------------------------------- 站点页脚 */
.site-footer { background: #10203a; color: #9fb0c9; padding: 34px 0; margin-top: 30px; }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.footer-left strong { color: #fff; }
.footer-left p { font-size: 13px; max-width: 420px; margin: 6px 0 0; }
.footer-right p { font-size: 13px; margin: 0 0 6px; }
.footer-right a { color: #9fb0c9; }
.footer-right a:hover { color: #fff; }
.footer-copy { color: #6c81a0; font-size: 12px; }

/* ------------------------------------------------------------- 响应式 */
@media (max-width: 1000px) {
  .hero-inner { grid-template-columns: 1fr; gap: 30px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .step-grid { grid-template-columns: 1fr; }
  .install-layout { grid-template-columns: 1fr; }
  .admin-sidebar { width: 190px; flex: 0 0 190px; }
}

@media (max-width: 720px) {
  body { font-size: 14px; }
  h1 { font-size: 24px; }
  .hero { padding: 36px 0 42px; }
  .hero-text h1 { font-size: 28px; }
  .section { padding: 38px 0; }
  .section-title { font-size: 21px; }
  .header-inner { height: auto; flex-direction: column; align-items: flex-start; gap: 10px; padding: 12px 0; }
  .nav-links { gap: 16px; }
  .feature-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; flex: none; flex-direction: row; align-items: center; padding: 10px 12px; overflow-x: auto; }
  .admin-brand { border: none; padding: 0 12px 0 0; }
  .admin-nav { flex-direction: row; padding: 0; flex: none; }
  .admin-nav a { padding: 8px 10px; border-left: none; border-bottom: 2px solid transparent; white-space: nowrap; }
  .admin-nav a.active { border-left: none; border-bottom-color: #4b9bff; }
  .admin-sidebar-footer { flex-direction: row; border: none; padding: 0 0 0 10px; gap: 12px; }
  .admin-topbar, .admin-section { padding-left: 14px; padding-right: 14px; }
  .chart { height: 190px; gap: 8px; }
  .chart-label { font-size: 10px; }
  .data-table { display: block; overflow-x: auto; }
}