/* theme tokens: light */
:root,
html[data-theme="light"],
body[data-theme="light"] {
  color-scheme: light;
  --page-bg: #f1f6fb;
  --page-bg-deep: #e2edf7;
  --page-glow: rgba(83, 143, 207, .12);
  --glass-bg: rgba(255, 255, 255, .54);
  --glass-bg-secondary: rgba(244, 250, 255, .32);
  --glass-bg-tertiary: rgba(226, 239, 252, .20);
  --list-bg: rgba(235, 245, 255, .22);
  --glass-border: rgba(255, 255, 255, .64);
  --control-border: rgba(77, 103, 136, .14);
  --divider: rgba(77, 103, 136, .13);
  --checkbox-border: rgba(61, 88, 122, .37);
  --description: #98a3b2;
  --header-control-border: rgba(77, 103, 136, .075);
  --tabbar-border: rgba(255, 255, 255, .52);
  --text-primary: #172033;
  --text-number: #111b2d;
  --text-secondary: #667085;
  --text-tertiary: #8b95a6;
  --accent: #3478c9;
  --accent-muted: #417caf;
  --accent-soft: rgba(52, 120, 201, .11);
  --accent-hover: rgba(52, 120, 201, .16);
  --success: #248a52;
  --danger: #d2453d;
  --warning: #a96f18;
  --theme-icon: #5d6879;
  --icon-surface: rgba(52, 120, 201, .12);
  --icloud-surface: rgba(106, 94, 190, .12);
  --header-bg: rgba(243, 247, 252, .34);
  --tabbar-bg: rgba(235, 244, 252, .48);
  --tab-active-bg: rgba(52, 120, 201, .09);
  --input-bg: rgba(255, 255, 255, .66);
  --mail-canvas: #ffffff;
  --shadow: 0 8px 30px rgba(15, 23, 42, .07);
  --shadow-raised: 0 10px 28px rgba(15, 23, 42, .09);
  --shadow-control: 0 2px 7px rgba(15, 23, 42, .035);
  --radius-card: 27px;
  --radius-inner: 21px;
  --radius-item: 17px;
  --radius-control: 13px;
  --radius-small: 10px;
  --glass-blur: blur(18px) saturate(135%);
  --text: var(--text-primary);
  --muted: var(--text-secondary);
  --line: var(--divider);
  --blue: var(--accent);
  --green: var(--success);
  --red: var(--danger);
}

/* theme tokens: dark */
html[data-theme="dark"],
body[data-theme="dark"] {
  color-scheme: dark;
  --page-bg: #070d17;
  --page-bg-deep: #0b1320;
  --page-glow: rgba(78, 103, 164, .075);
  --glass-bg: rgba(18, 29, 46, .38);
  --glass-bg-secondary: rgba(43, 57, 78, .12);
  --glass-bg-tertiary: rgba(34, 48, 69, .08);
  --list-bg: rgba(40, 55, 77, .09);
  --glass-border: rgba(148, 163, 184, .055);
  --control-border: rgba(148, 163, 184, .065);
  --divider: rgba(148, 163, 184, .055);
  --checkbox-border: rgba(168, 184, 206, .34);
  --description: #738095;
  --header-control-border: rgba(148, 163, 184, .075);
  --tabbar-border: rgba(148, 163, 184, .08);
  --text-primary: #e4eaf1;
  --text-number: #edf2f7;
  --text-secondary: #aeb9c8;
  --text-tertiary: #8795a8;
  --accent: #78a5d2;
  --accent-muted: #7399bf;
  --accent-soft: rgba(75, 137, 207, .15);
  --accent-hover: rgba(75, 137, 207, .21);
  --success: #58c986;
  --danger: #f07068;
  --warning: #e2b15d;
  --theme-icon: #e7c875;
  --icon-surface: rgba(80, 139, 207, .16);
  --icloud-surface: rgba(130, 116, 210, .16);
  --header-bg: rgba(7, 13, 23, .30);
  --tabbar-bg: rgba(11, 19, 32, .49);
  --tab-active-bg: rgba(75, 137, 207, .12);
  --input-bg: rgba(13, 23, 38, .64);
  --mail-canvas: #ffffff;
  --shadow: 0 12px 36px rgba(0, 0, 0, .22);
  --shadow-raised: 0 14px 34px rgba(0, 0, 0, .26);
  --shadow-control: 0 2px 7px rgba(0, 0, 0, .10);
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--page-bg); }
html, body { width: 100%; max-width: 100%; margin: 0; overflow-x: clip; }
body {
  min-height: 100dvh;
  color: var(--text-primary);
  background:
    radial-gradient(circle at 12% -8%, var(--page-glow), transparent 32%),
    radial-gradient(circle at 92% 26%, var(--page-glow), transparent 38%),
    linear-gradient(155deg, var(--page-bg) 0%, var(--page-bg-deep) 100%);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "PingFang SC", "Helvetica Neue", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 15px;
  letter-spacing: -.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  touch-action: pan-y;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { -webkit-tap-highlight-color: transparent; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible,
a:focus-visible, [role="button"]:focus-visible { outline: 3px solid var(--accent-soft); outline-offset: 2px; }
img, svg, video, canvas, iframe { max-width: 100%; }

.shell { display: grid; grid-template-columns: 248px minmax(0, 1fr); min-height: 100dvh; }
.sidebar {
  position: sticky; top: 0; height: 100dvh; padding: 20px 14px;
  display: flex; flex-direction: column; gap: 18px;
  color: var(--text-primary); background: var(--glass-bg);
  border-right: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
}
.side-brand { display: flex; align-items: center; gap: 10px; padding: 7px 10px 16px; border-bottom: 1px solid var(--divider); }
.side-brand-copy { display: grid; gap: 2px; }
.side-brand-title { color: var(--text-primary); font-size: 16px; font-weight: 620; }
.side-brand-sub, .side-foot { color: var(--text-secondary); font-size: 11px; }
.logo { display: grid; place-items: center; width: 36px; height: 36px; border-radius: var(--radius-control); overflow: hidden; }
.logo.sm { width: 32px; height: 32px; }
.logo img { width: 100%; height: 100%; object-fit: cover; }
nav { display: flex; flex-direction: column; gap: 7px; flex: 1; }
.nav-item { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 11px 13px; border-radius: var(--radius-control); color: var(--text-secondary); text-decoration: none; transition: .16s ease; }
.nav-item:hover { color: var(--text-primary); background: var(--glass-bg-secondary); }
.nav-item.active { color: var(--accent); background: var(--accent-soft); }
.nav-ico { width: 19px; text-align: center; }
.side-foot { padding: 8px; }

.main { min-width: 0; width: 100%; padding: 0 18px 28px; }
.topbar {
  position: sticky; top: 0; z-index: 20; min-height: 64px; margin: 0 -18px 10px; padding: 10px 20px;
  display: flex; align-items: center; justify-content: flex-end; gap: 12px;
  background: var(--header-bg); border-bottom: 1px solid transparent;
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
}
.top-left, .top-right { display: flex; align-items: center; gap: 11px; }
.top-left:empty { display: none; }
.lucide-icon { width: 22px; height: 22px; display: block; fill: none; flex: 0 0 auto; }
.page-title { font-size: 28px; line-height: 1.15; font-weight: 620; letter-spacing: -.035em; }
.page-sub, .user-mail { display: none !important; }
.rainbow-hello { font: inherit; transform: none; text-shadow: none; }
.rainbow-hello span { transform: none; }
.rainbow-hello .h0 { color: #e75c55; } .rainbow-hello .h1 { color: #d99a2b; }
.rainbow-hello .h2 { color: #3ba66a; } .rainbow-hello .h3 { color: #3478c9; }
.rainbow-hello .h4 { color: #7969c5; }
.theme-toggle, .user-chip {
  width: 40px; height: 40px; min-width: 40px; min-height: 40px; padding: 0;
  display: grid; place-items: center; border: 1px solid var(--header-control-border);
  border-radius: var(--radius-control); background: var(--glass-bg-secondary);
  box-shadow: var(--shadow-control); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
}
.theme-toggle { color: var(--theme-icon); cursor: pointer; font-size: 19px; line-height: 1; box-shadow: none; }
.theme-toggle .lucide-icon { width: 20px; height: 20px; margin: auto; transform: translateY(-.25px); }
.theme-toggle:hover, .user-chip:hover { background: var(--accent-soft); border-color: var(--control-border); }
.theme-toggle .theme-ico-dark { display: none; }
[data-theme="dark"] .theme-toggle .theme-ico-light { display: none; }
[data-theme="dark"] .theme-toggle .theme-ico-dark { display: inline; }
.user-chip { cursor: pointer; overflow: hidden; }
.user-chip > div:nth-child(2), .user-chip .logout-form { display: none; }
.avatar { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; overflow: hidden; background: var(--icon-surface); color: var(--accent); font-weight: 620; }
.avatar img { width: 100%; height: 100%; display: block; object-fit: cover; }
.avatar.has-image { color: transparent; background-size: cover; background-position: center; }
.avatar.xl { width: 88px; height: 88px; border-radius: 50%; font-size: 30px; }
.logout { border: 0; background: transparent; color: var(--text-secondary); cursor: pointer; }

.view { display: none; max-width: 1180px; padding: 0; }
.view.active { display: block; }
.stack, .account-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.account-card-grid { margin-bottom: 16px; }
.service-card, .dashboard-card, .panel, .login-card {
  background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-card);
  box-shadow: var(--shadow); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
}
.service-card { padding: 21px; }
.service-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.node { display: flex; align-items: center; gap: 13px; min-width: 0; }
.node-copy { min-width: 0; }
.node-ico {
  position: relative; width: 48px; height: 48px; flex: 0 0 auto; display: grid; place-items: center;
  border: 1px solid var(--control-border); border-radius: 15px; background: var(--icon-surface);
  color: var(--accent); box-shadow: 0 3px 9px rgba(36, 73, 114, .07);
}
.node-ico.icloud { background: var(--icloud-surface); color: #887ad1; }
.provider-mark { display: grid; place-items: center; line-height: 1; filter: none; }
.provider-mark .lucide-icon { width: 25px; height: 25px; }
.node-name { font-size: 23px; line-height: 1.15; font-weight: 620; letter-spacing: -.025em; }
.node-meta { display: flex; align-items: center; margin-top: 5px; color: var(--text-secondary); font-size: 14px; }
.status-pill { display: inline-flex; align-items: center; padding: 0; border: 0; background: transparent; font-size: 14px; font-weight: 500; }
.status-pill.ok { color: var(--success); } .status-pill.err, .service-error { color: var(--danger); }
.dot { width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: currentColor; }
.service-error { max-width: 270px; margin-top: 6px; font-size: 12px; }
.actions { display: flex; align-items: center; gap: 7px; }
.btn {
  min-height: 40px; padding: 8px 13px; border: 1px solid var(--control-border); border-radius: var(--radius-control);
  background: var(--glass-bg-secondary); color: var(--text-primary); box-shadow: none; cursor: pointer; font-weight: 600; transition: .15s ease;
}
.btn:hover { background: var(--accent-hover); }
.btn.primary, .dashboard-account-card .actions .btn { border-color: transparent; background: transparent; color: var(--accent-muted); }
.dashboard-account-card .actions .btn { display: inline-flex; align-items: center; justify-content: center; font-weight: 570; line-height: 1; }
.btn.primary:hover, .dashboard-account-card .actions .btn:hover { background: var(--accent-soft); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--text-secondary); }
.btn.danger { color: var(--danger); background: transparent; }
.btn.full { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.icon-btn { width: 40px; padding: 0; display: grid; place-items: center; }

.metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: 13px; overflow: hidden; border: 1px solid var(--divider); border-radius: var(--radius-inner); background: var(--glass-bg-secondary); }
.metric {
  min-width: 0; min-height: 98px; padding: 12px 15px; display: flex; flex-direction: column; justify-content: center;
  border: 0; border-radius: 0; background: transparent; color: var(--text-primary); text-align: left;
}
.metric + .metric { border-left: 1px solid var(--divider); }
.metric.clickable { width: 100%; cursor: pointer; transition: background .15s ease; }
.metric.clickable:hover { background: var(--accent-soft); }
.metric-head { display: flex; align-items: center; }
.metric .label { color: var(--text-secondary); font-size: 15px; line-height: 1.25; font-weight: 520; }
.metric .value { margin-top: 5px; color: var(--text-number); font-size: clamp(33px, 8vw, 36px); line-height: 1; font-weight: 650; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.metric .sub { min-height: 16px; margin-top: 6px; color: var(--text-tertiary); font-size: 12px; line-height: 1.2; white-space: nowrap; }

.home-dashboard { min-height: calc(100dvh - 108px); display: grid; grid-template-rows: auto minmax(0, 1fr); gap: 16px; }
.home-content-grid { min-height: 0; display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 16px; }
.home-unified-card { min-height: 0; display: grid; grid-template-rows: auto minmax(0, 1fr); overflow: hidden; }
.dashboard-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 20px 21px 13px; }
.dashboard-card-head.compact { align-items: center; }
.dashboard-card h2 { margin: 0; color: var(--text-primary); font-size: 18px; line-height: 1.22; font-weight: 600; letter-spacing: -.02em; }
.dashboard-card-head p { margin: 5px 0 0; color: var(--description); font-size: 12.5px; line-height: 1.32; }
.more-btn { width: 32px; height: 32px; padding: 0; border: 0; border-radius: var(--radius-small); background: transparent; color: var(--text-tertiary); cursor: pointer; font-size: 14px; letter-spacing: 1px; }
.more-btn:hover { background: var(--glass-bg-secondary); }
.unified-feed { min-height: 0; padding: 0 12px 15px; display: flex; flex-direction: column; gap: 10px; overflow: auto; }
.unified-row {
  width: 100%; min-height: 66px; padding: 12px 13px; display: grid;
  grid-template-columns: 16px 32px minmax(0, 1fr) 42px; align-items: center; gap: 10px;
  border: 1px solid var(--control-border); border-radius: var(--radius-item); background: var(--list-bg);
  color: var(--text-primary); text-align: left; cursor: pointer; box-shadow: none; transition: .15s ease;
}
.unified-row:hover, .unified-row.active { background: var(--accent-soft); border-color: var(--control-border); }
.mail-checkbox, .todo-box { width: 15px; height: 15px; display: inline-block; border: 1px solid var(--divider); border-color: var(--checkbox-border); border-radius: 5px; background: var(--glass-bg-secondary); }
.feed-badge { width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid var(--control-border); border-radius: 11px; background: var(--icon-surface); color: var(--accent); }
.feed-badge.icloud { background: var(--icloud-surface); color: #887ad1; }
.feed-badge .provider-mark { font-size: 16px; color: currentColor; }
.feed-main { min-width: 0; display: grid; gap: 4px; }
.feed-main b { overflow: hidden; color: var(--text-primary); font-size: 14px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.feed-main small { overflow: hidden; color: var(--text-secondary); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.unified-row time { align-self: center; color: var(--text-tertiary); font-size: 11px; line-height: 1; text-align: right; font-variant-numeric: tabular-nums; }

html,
body,
.unified-feed,
.mail-list,
.mail-read,
.read-body.html {
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
}
html::-webkit-scrollbar,
body::-webkit-scrollbar,
.unified-feed::-webkit-scrollbar,
.mail-list::-webkit-scrollbar,
.mail-read::-webkit-scrollbar,
.read-body.html::-webkit-scrollbar { display: none; width: 0; height: 0; }
.dashboard-empty, .empty { padding: 30px 12px; color: var(--text-secondary); text-align: center; font-size: 13px; }
.home-insights { min-height: 0; display: grid; grid-template-rows: 1fr 1fr; gap: 16px; }
.activity-card, .storage-card { min-height: 0; overflow: hidden; }
.week-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 18px; overflow: hidden; border: 1px solid var(--divider); border-radius: var(--radius-inner); background: var(--divider); }
.week-stat { padding: 16px 12px; background: var(--glass-bg-secondary); }
.week-stat b { display: block; color: var(--text-number); font-size: 28px; font-weight: 650; font-variant-numeric: tabular-nums; }
.week-stat small, .week-note { color: var(--text-secondary); }
.week-note { margin: 0 18px 16px; font-size: 12px; }
.storage-rings { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 8px 18px 19px; }
.storage-item { display: grid; justify-items: center; gap: 8px; color: var(--text-secondary); text-align: center; font-size: 12px; }
.storage-item b { color: var(--text-primary); } .storage-item small { display: block; margin-top: 3px; color: var(--text-tertiary); font-size: 10px; }
.ring { position: relative; width: 80px; height: 80px; display: grid; place-items: center; border-radius: 50%; background: conic-gradient(var(--accent) 0 80%, var(--divider) 80% 100%); }
.ring::before { content: ""; position: absolute; inset: 10px; border-radius: 50%; background: var(--glass-bg); }
.ring span { position: relative; z-index: 1; color: var(--text-number); font-weight: 650; }
.icloud-ring { background: conic-gradient(#887ad1 0 66%, var(--divider) 66% 100%); }

.panel { overflow: hidden; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 15px; border-bottom: 1px solid var(--divider); background: var(--glass-bg-secondary); }
.filters, .pager, .read-actions, .compose-actions, .notification-actions, .attachment-row { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.filters { flex: 1; }
.filters select, .login-form input, .form-grid input, .form-grid select, .form-grid textarea, .avatar-editor-form input, #mail-search {
  min-height: 44px; padding: 10px 12px; border: 1px solid var(--control-border); border-radius: var(--radius-control); background: var(--input-bg); outline: none;
}
#mail-search { min-width: 180px; flex: 1 1 180px; }
.filters select:focus, .login-form input:focus, .form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus, .avatar-editor-form input:focus, #mail-search:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.mail-layout { display: grid; grid-template-columns: minmax(300px, 36%) minmax(0, 1fr); height: clamp(580px, calc(100dvh - 190px), 780px); min-height: 580px; }
.mail-list { padding: 10px; display: flex; flex-direction: column; gap: 8px; overflow-y: auto; border-right: 1px solid var(--divider); }
.mail-item { min-height: 74px; padding: 13px 14px; display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "subject date" "from date"; gap: 4px 12px; border: 1px solid var(--control-border); border-radius: var(--radius-item); background: var(--list-bg); cursor: pointer; }
.mail-item:hover, .mail-item.active { background: var(--accent-soft); }
.mail-item .subject { grid-area: subject; min-width: 0; overflow: hidden; font-size: 14px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.mail-item .from { grid-area: from; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mail-item .date { grid-area: date; text-align: right; white-space: nowrap; }
.mail-item .from, .mail-item .date { color: var(--text-secondary); font-size: 12px; }
.mail-item.unread .subject::before { content: ""; width: 7px; height: 7px; margin-right: 6px; display: inline-block; border-radius: 50%; background: var(--accent); vertical-align: middle; }
.mail-read { min-width: 0; padding: 22px 25px; overflow: auto; background: var(--glass-bg-tertiary); }
.read-subject { margin-bottom: 10px; color: var(--text-primary); font-size: 24px; font-weight: 620; letter-spacing: -.02em; }
.read-meta { display: grid; gap: 6px; margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--divider); color: var(--text-secondary); font-size: 13px; }
.read-body { font-size: 14px; line-height: 1.65; white-space: pre-wrap; }
.read-body.html { max-width: 100%; padding: 12px; overflow-x: auto; border-radius: var(--radius-inner); background: var(--mail-canvas); color: #202124; color-scheme: light; white-space: normal; }
.read-body.html *, .read-body.html table, .read-body.html img, .read-body.html video, .read-body.html iframe { max-width: 100% !important; box-sizing: border-box; }
.read-body.html table { width: 100% !important; } .read-body.html img, .read-body.html video, .read-body.html iframe { height: auto !important; }
.read-actions { margin-top: 16px; }
.attachment-chip { display: inline-flex; align-items: center; gap: 6px; padding: 7px 11px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); text-decoration: none; font-size: 13px; }
.attachment-chip .lucide-icon { width: 16px; height: 16px; }

.compose-panel { padding: 20px; }
.panel-title { margin-bottom: 15px; font-size: 19px; font-weight: 600; letter-spacing: -.02em; }
.form-grid { display: grid; grid-template-columns: 95px minmax(0, 1fr); align-items: start; gap: 12px; }
.form-grid label { padding-top: 11px; color: var(--text-secondary); font-size: 13px; }
.form-grid textarea { min-height: 220px; resize: vertical; }
.compose-actions { margin-top: 16px; }
.status-text, .hint { color: var(--text-secondary); font-size: 13px; line-height: 1.5; }
.status-text.ok { color: var(--success); } .status-text.err, .err-text { color: var(--danger); }
.hint { margin: 0 0 14px; }
.settings-grid { max-width: 900px; display: grid; gap: 14px; }
.avatar-editor { display: flex; align-items: flex-start; gap: 18px; flex-wrap: wrap; }
.avatar-editor-form { min-width: 240px; flex: 1; display: grid; gap: 8px; }
.avatar-editor-form label { color: var(--text-secondary); font-size: 13px; }
.notification-summary { margin: 0 0 14px; padding: 11px 12px; border: 1px solid var(--control-border); border-radius: var(--radius-control); background: var(--glass-bg-secondary); color: var(--text-secondary); font-size: 12px; }
.notification-summary.ok { color: var(--success); } .notification-summary.warn { color: var(--warning); }
.switch-row { min-height: 44px; padding: 8px 0 !important; display: flex; align-items: center; gap: 9px; color: var(--text-primary) !important; cursor: pointer; }
.switch-row input { width: 18px; height: 18px; accent-color: var(--accent); }
.mail-account-settings { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.mail-account-group { min-width: 0; padding: 15px; display: grid; gap: 8px; border: 1px solid var(--divider); border-radius: var(--radius-inner); background: var(--glass-bg-secondary); }
.mail-account-title { margin-bottom: 3px; font-size: 16px; font-weight: 600; }
.mail-account-group label { color: var(--text-secondary); font-size: 12px; }
.mail-account-group input { width: 100%; min-width: 0; min-height: 42px; padding: 9px 11px; border: 1px solid var(--control-border); border-radius: var(--radius-control); background: var(--input-bg); }
.mailpass-status { display: block; width: 100%; margin-top: 12px; overflow-wrap: anywhere; }
.loading-box { min-height: 56px; padding: 14px 8px; display: grid; place-items: center; gap: 8px; }
.loading-text { color: var(--text-secondary); font-size: 13px; }
.ios-spinner { width: 27px; height: 27px; border: 2px solid var(--accent-soft); border-top-color: var(--accent); border-radius: 50%; animation: ios-spin .7s linear infinite; }
@keyframes ios-spin { to { transform: rotate(360deg); } }
.soft-loading { margin-bottom: 8px; }

.login-body { min-height: 100dvh; padding: max(18px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left)); display: grid; place-items: center; }
.login-shell { width: 100%; min-height: calc(100dvh - 36px); display: grid; place-items: center; }
.login-card { width: min(420px, 100%); padding: 28px; }
.brand-row { display: flex; align-items: center; justify-content: center; margin: 2px 0 22px; text-align: center; }
.brand-title { margin: 0; font-size: 0; }
.brand-title .rainbow-hello { font-size: 40px; font-weight: 620; }
.brand-sub, .brand-mail-suffix { display: none !important; }
.login-logo { display: none; }
.login-form { display: grid; gap: 11px; }
.field-group { display: grid; gap: 6px; }
.login-form label { color: var(--text-secondary); font-size: 13px; }
.alert { margin-bottom: 10px; padding: 11px 12px; border: 1px solid var(--control-border); border-radius: var(--radius-control); background: var(--glass-bg-secondary); color: var(--danger); font-size: 13px; }
.mobile-tabbar { display: none; }

@media (max-width: 1100px) {
  .home-content-grid { grid-template-columns: 1fr; }
  .home-insights { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: auto; }
}

@media (max-width: 980px) {
  body { min-height: 100dvh; }
  .shell { display: block; min-height: 100dvh; }
  .sidebar { display: none; }
  .main {
    min-height: 100dvh;
    padding: 0 10px;
    padding-left: max(10px, env(safe-area-inset-left, 0px));
    padding-right: max(10px, env(safe-area-inset-right, 0px));
  }
  .topbar {
    min-height: calc(44px + env(safe-area-inset-top, 0px));
    margin: 0 -10px -5px;
    padding: 2px 12px;
    padding-top: calc(2px + env(safe-area-inset-top, 0px));
    justify-content: flex-end;
  }
  .top-right { gap: 11px; }
  .theme-toggle, .user-chip { width: 40px; height: 40px; min-width: 40px; min-height: 40px; }
  .theme-toggle { font-size: 19px; }
  .user-chip .avatar { width: 36px; height: 36px; }
  .view.active { padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px)); }
  .account-card-grid, .stack { grid-template-columns: 1fr; gap: 9px; margin-bottom: 8px; }
  .service-card { padding: 12px 15px; }
  .node-name { font-size: 22px; }
  .dashboard-account-card .actions .btn { min-height: 40px; padding: 7px 8px; font-size: 13px; }
  .metrics { margin-top: 7px; }
  .metric { min-height: 78px; padding: 7px 10px; }
  .metric .label { font-size: 15px; }
  .metric .sub { font-size: 13px; }
  .home-dashboard { min-height: 0; display: block; padding-bottom: 14px; }
  .home-content-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
  .home-insights { grid-template-columns: 1fr; gap: 12px; }
  .home-unified-card .unified-feed { max-height: none; }
  .dashboard-card-head { padding: 15px 17px 9px; }
  .unified-feed { padding: 0 9px 13px; }
  .unified-row { min-height: 59px; padding-block: 9px; }
  .panel-head { align-items: stretch; flex-direction: column; }
  .filters { width: 100%; }
  #mail-search { min-width: 0; flex: 1 1 140px; }
  .mail-layout { height: auto; min-height: calc(100dvh - 190px); display: flex; flex-direction: column; }
  .mail-list { min-height: 0; flex: 1 1 auto; border-right: 0; }
  .mail-read { display: none; }
  #view-inbox.is-reading .mail-list, #view-inbox.is-reading .panel-head { display: none; }
  #view-inbox.is-reading .mail-read { min-height: calc(100dvh - 150px); padding: 14px 13px 26px; display: block; }
  .compose-panel { padding: 16px; }
  .form-grid { grid-template-columns: 1fr; gap: 8px; }
  .form-grid label { padding-top: 0; }
  .mail-account-settings { grid-template-columns: 1fr; }
  .mobile-tabbar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    height: calc(56px + env(safe-area-inset-bottom, 0px));
    padding: 4px 8px calc(4px + env(safe-area-inset-bottom, 0px));
    padding-left: max(8px, env(safe-area-inset-left, 0px));
    padding-right: max(8px, env(safe-area-inset-right, 0px));
    display: grid; grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--tabbar-border); background: var(--tabbar-bg);
    box-shadow: 0 -3px 12px rgba(15, 23, 42, .03);
    backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    transform: translateZ(0);
  }
  .tab-item { min-width: 0; min-height: 44px; padding: 2px; display: grid; place-items: center; align-content: center; gap: 1px; border: 0; border-radius: var(--radius-control); background: transparent; color: var(--text-tertiary); font-size: 10.5px; font-weight: 550; }
  .tab-item .tab-ico { width: 25px; height: 21px; display: grid; place-items: center; border-radius: 8px; line-height: 1; }
  .tab-item .tab-ico svg { width: 22px; height: 22px; }
  .tab-item.active { color: var(--accent); background: transparent; }
  .tab-item.active .tab-ico { background: var(--tab-active-bg); color: var(--accent); }
}

@media (max-width: 560px) {
  .service-top { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
  .node { gap: 11px; }
  .node-ico { width: 46px; height: 46px; border-radius: 14px; }
  .node-name { font-size: 22px; }
  .node-meta, .status-pill { font-size: 13px; }
  .metric { min-height: 78px; padding: 7px 8px; }
  .metric .value { font-size: clamp(33px, 9vw, 36px); }
  .metric .sub { font-size: 12px; }
  .login-card { padding: 23px 20px; }
  .brand-title .rainbow-hello { font-size: 36px; }
}

@media (max-width: 380px) {
  .service-card { padding: 12px 14px; }
  .dashboard-account-card .actions { gap: 0; }
  .dashboard-account-card .actions .btn { padding-inline: 7px; font-size: 12px; }
  .metric { padding-inline: 7px; }
  .metric .label { font-size: 14px; }
  .metric .sub { font-size: 11px; letter-spacing: -.02em; }
  .unified-row { grid-template-columns: 15px 30px minmax(0, 1fr) 38px; padding-inline: 10px; gap: 8px; }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .service-card, .dashboard-card, .panel, .login-card, .topbar, .mobile-tabbar, .theme-toggle, .user-chip { background: var(--page-bg-deep); }
}