:root {
  --bg: #f3f6fa;
  --panel: #ffffff;
  --ink: #172033;
  --muted: #748097;
  --line: #dce3ee;
  --accent: #2563eb;
  --accent-soft: #e9f0ff;
  --danger: #d94b58;
  --warning: #d8841c;
  --ok: #15805b;
  --shadow: 0 16px 40px rgba(36, 54, 88, .10);
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--bg); font: 14px/1.5 "Microsoft YaHei", "Segoe UI", sans-serif; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; border: 0; border-radius: 9px; padding: 8px 13px; }
button.primary { background: var(--accent); color: #fff; }
button.ghost { background: #edf1f7; color: var(--ink); }
button.danger { background: #fdecef; color: var(--danger); }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 28px; background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 4; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 245px; }
.brand-mark { display: grid; place-items: center; width: 45px; height: 45px; border-radius: 13px; background: var(--accent); color: #fff; font-weight: 800; letter-spacing: .5px; }
h1, h2, p { margin: 0; }
h1 { font-size: 20px; }
h2 { font-size: 18px; }
.brand p { color: var(--muted); font-size: 12px; }
.week-nav, .actions, .diagnostic-row { display: flex; align-items: center; gap: 8px; }
.layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 18px; padding: 18px; min-height: calc(100vh - 82px); }
.review-panel { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 16px; box-shadow: var(--shadow); min-width: 0; }
.section-head { display: flex; justify-content: space-between; align-items: center; }
.eyebrow { color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: 1.4px; }
.count { display: grid; place-items: center; min-width: 25px; height: 25px; padding: 0 7px; border-radius: 99px; background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.hint { color: var(--muted); font-size: 12px; margin: 8px 0 14px; }
.review-list { display: grid; gap: 10px; }
.week-board { display: grid; grid-template-columns: repeat(7, minmax(145px, 1fr)); gap: 10px; min-width: 0; overflow-x: auto; }
.day-column { background: var(--panel); border: 1px solid var(--line); border-radius: 15px; padding: 10px; min-height: 620px; box-shadow: 0 8px 20px rgba(36, 54, 88, .05); }
.day-column.weekend { background: #f7f8fb; }
.day-column.today { border-color: #7ba4ff; box-shadow: 0 0 0 2px #dbe6ff, 0 8px 20px rgba(36, 54, 88, .05); }
.day-column.drag-over { background: var(--accent-soft); border-color: var(--accent); }
.day-head { display: flex; justify-content: space-between; align-items: baseline; padding-bottom: 9px; border-bottom: 1px solid var(--line); margin-bottom: 9px; }
.day-head strong { font-size: 13px; }
.day-head span { color: var(--muted); font-size: 12px; }
.task-list { display: grid; gap: 8px; }
.task-card { border: 1px solid #e1e7f0; border-left: 4px solid var(--accent); border-radius: 11px; padding: 10px; background: #fff; cursor: grab; }
.task-card:active { cursor: grabbing; }
.task-card.urgency-high { border-left-color: var(--danger); }
.task-card.urgency-mid { border-left-color: var(--warning); }
.task-card.overdue { opacity: .72; }
.task-title { font-weight: 700; line-height: 1.35; margin-bottom: 6px; }
.task-meta, .task-status { display: flex; flex-wrap: wrap; gap: 5px; color: var(--muted); font-size: 11px; }
.tag { display: inline-flex; align-items: center; padding: 2px 6px; border-radius: 5px; background: #eff2f7; }
.tag.high { color: var(--danger); background: #fdecef; }
.tag.review { color: #a25a08; background: #fff4df; }
.task-actions { display: flex; gap: 4px; margin-top: 8px; }
.task-actions button { padding: 4px 7px; font-size: 11px; background: #f0f3f8; }
.empty { color: #a5afbf; font-size: 12px; padding: 12px 4px; }
.message-log-head { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
.message-list { display: grid; gap: 8px; max-height: 360px; overflow: auto; }
.message-item { border: 1px solid var(--line); border-radius: 10px; padding: 8px; background: #fafbfe; }
.message-item-head { display: flex; justify-content: space-between; gap: 6px; color: var(--muted); font-size: 10px; }
.message-item-head strong { color: var(--ink); }
.message-item-content { margin-top: 5px; font-size: 12px; line-height: 1.4; white-space: pre-wrap; word-break: break-word; }
.message-status { display: inline-block; margin-top: 6px; padding: 2px 5px; border-radius: 4px; font-size: 10px; color: var(--muted); background: #eef1f6; }
.message-status.processed { color: var(--ok); background: #e8f7f0; }
.message-status.failed { color: var(--danger); background: #fdecef; }
.message-status.not_task { color: #a25a08; background: #fff4df; }
.modal { width: min(520px, calc(100vw - 30px)); border: 0; border-radius: 16px; padding: 0; box-shadow: 0 24px 70px rgba(20, 30, 55, .28); }
.modal::backdrop { background: rgba(19, 28, 48, .38); }
.modal.wide { width: min(900px, calc(100vw - 30px)); }
.modal form, .modal > .modal-head, .modal > .detail-content { padding: 18px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 10px; }
.icon-btn { background: transparent; font-size: 22px; padding: 0 4px; color: var(--muted); }
label { display: grid; gap: 5px; color: var(--muted); font-size: 12px; margin-bottom: 10px; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 9px 10px; color: var(--ink); background: #fff; }
textarea { resize: vertical; }
.form-row, .settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }
.contacts-list { display: grid; gap: 7px; margin-bottom: 12px; }
.contact-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 9px; }
.contact-row small { color: var(--muted); }
.diagnostic-output { max-height: 180px; overflow: auto; padding: 10px; border-radius: 8px; background: #172033; color: #cfe0ff; font-size: 11px; white-space: pre-wrap; }
.detail-content { max-height: 70vh; overflow: auto; }
.detail-block { border-top: 1px solid var(--line); padding: 12px 0; }
.detail-block h3 { font-size: 13px; margin: 0 0 6px; }
.detail-block pre { white-space: pre-wrap; word-break: break-word; background: #f6f8fb; padding: 9px; border-radius: 8px; font-size: 11px; }
.status-badge { display: inline-flex; align-items: center; gap: 5px; padding: 6px 9px; border-radius: 99px; font-size: 12px; white-space: nowrap; }
.status-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status-badge.on { color: var(--ok); background: #e8f7f0; }
.status-badge.off { color: var(--muted); background: #eef1f6; }
.save-status { min-height: 20px; margin: 8px 0; color: var(--ok); font-size: 12px; }
.save-status.error { color: var(--danger); }
.toast { position: fixed; right: 20px; bottom: 20px; padding: 11px 15px; border-radius: 9px; background: #172033; color: #fff; opacity: 0; pointer-events: none; transform: translateY(8px); transition: .2s; z-index: 9; }
.toast.show { opacity: 1; transform: translateY(0); }
@media (max-width: 1050px) { .layout { grid-template-columns: 1fr; } .review-panel { order: 2; } .week-board { order: 1; } }
@media (max-width: 700px) { .topbar { flex-wrap: wrap; padding: 14px; } .brand { min-width: 100%; } .actions { margin-left: auto; } .week-board { grid-template-columns: repeat(7, 180px); } .form-row, .settings-grid { grid-template-columns: 1fr; } }
.cloud-only { display: none; }
body.cloud .cloud-only { display: inline-flex; }
body.cloud .local-only { display: none; }
body.cloud #sync-freshness.stale { color: #8d2b21; border-color: #e0a5a0; background: #fff1ed; }
body.cloud #account-name { font-size: 13px; font-weight: 600; }
body.cloud .actions { flex-wrap: wrap; }
body.cloud #sync-freshness { white-space: normal; }
.week-nav button, .actions button { flex-shrink: 0; white-space: nowrap; }
@media (max-width: 700px) { body.cloud .actions { width: 100%; margin-left: 0; } }

/* Apple-inspired welcome surface: quiet chrome, wide type, one action blue. */
:root {
  --welcome-blue: #0066cc;
  --welcome-blue-focus: #0071e3;
  --welcome-ink: #1d1d1f;
  --welcome-muted: #6e6e73;
  --welcome-parchment: #f5f5f7;
  --welcome-dark: #272729;
}
body:not(.app-ready) #app-shell { visibility: hidden; }
.welcome-screen { display: none; min-height: 100vh; color: var(--welcome-ink); background: #fff; font-family: "SF Pro Text", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }
body.welcome-mode { background: #fff; }
body.welcome-mode .welcome-screen { display: block; }
body.welcome-mode .app-shell { display: none; }
.welcome-nav { height: 54px; display: flex; align-items: center; justify-content: space-between; max-width: 1240px; margin: 0 auto; padding: 0 32px; font-size: 13px; }
.welcome-brand { display: inline-flex; align-items: center; gap: 9px; color: var(--welcome-ink); font-weight: 600; text-decoration: none; letter-spacing: -.2px; }
.welcome-brand-mark { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 8px; color: #fff; background: var(--welcome-blue); font-size: 9px; font-weight: 700; letter-spacing: .2px; }
.welcome-nav-links { display: flex; align-items: center; gap: 28px; }
.welcome-nav-links a { color: #6e6e73; text-decoration: none; transition: color .2s ease; }
.welcome-nav-links a:hover { color: var(--welcome-ink); }
.welcome-nav-cta, .welcome-primary { border: 0; border-radius: 999px; color: #fff; background: var(--welcome-blue); transition: background .2s ease, transform .2s ease; }
.welcome-nav-cta { padding: 8px 16px; font-size: 13px; }
.welcome-nav-cta:hover, .welcome-primary:hover { background: var(--welcome-blue-focus); transform: translateY(-1px); }
.welcome-main { overflow: hidden; }
.welcome-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(420px, 520px); gap: clamp(42px, 8vw, 128px); align-items: center; max-width: 1240px; min-height: 680px; margin: 0 auto; padding: 72px 32px 96px; }
.welcome-hero-copy { max-width: 570px; }
.welcome-eyebrow { margin: 0 0 22px; color: var(--welcome-blue); font-size: 11px; font-weight: 700; letter-spacing: 2px; line-height: 1.2; }
.welcome-hero h1, .welcome-section h2 { margin: 0; font-family: "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; font-weight: 600; letter-spacing: -1.8px; line-height: 1.04; }
.welcome-hero h1 { font-size: clamp(52px, 7vw, 82px); }
.welcome-hero h1 em, .welcome-section h2 em { color: var(--welcome-blue); font-style: normal; }
.welcome-lead { max-width: 445px; margin: 28px 0 0; color: var(--welcome-muted); font-size: 19px; line-height: 1.55; letter-spacing: -.2px; }
.welcome-actions { display: flex; align-items: center; gap: 25px; margin-top: 38px; }
.welcome-primary { padding: 14px 22px; font-size: 16px; font-weight: 500; }
.welcome-primary span { display: inline-block; margin-left: 12px; font-size: 18px; }
.welcome-text-link { color: var(--welcome-blue); font-size: 15px; text-decoration: none; }
.welcome-text-link span { margin-left: 5px; font-size: 17px; }
.welcome-hero-art { position: relative; min-height: 455px; padding: 32px; overflow: hidden; color: #fff; background: var(--welcome-dark); }
.welcome-hero-art::after { content: ""; position: absolute; width: 270px; height: 270px; right: -70px; bottom: -125px; border-radius: 50%; background: #333336; }
.hero-art-topline, .hero-art-footer { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; color: #d2d2d7; font-size: 12px; }
.hero-art-dot { color: #83c995; }
.hero-art-date { position: relative; z-index: 1; margin-top: 10px; color: #fff; font-size: 30px; font-weight: 600; letter-spacing: -1px; }
.hero-art-week { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin: 30px 0 20px; padding-bottom: 18px; border-bottom: 1px solid #454548; }
.hero-art-week div { display: grid; gap: 5px; color: #9b9b9f; font-size: 11px; }
.hero-art-week strong { color: #fff; font-size: 18px; font-weight: 500; }
.hero-art-week div.active strong, .hero-art-week div.active span { color: #2997ff; }
.hero-art-week i { width: 5px; height: 5px; border-radius: 50%; background: #2997ff; }
.hero-art-card { position: relative; z-index: 1; display: grid; grid-template-columns: 56px 1fr; column-gap: 14px; align-items: center; padding: 17px 0; border-bottom: 1px solid #454548; }
.hero-art-card-mark { grid-row: span 2; align-self: start; color: #2997ff; font-size: 12px; }
.hero-art-card-mark.muted { color: #9b9b9f; }
.hero-art-card strong { font-size: 16px; font-weight: 500; letter-spacing: -.2px; }
.hero-art-card small { margin-top: 5px; color: #9b9b9f; font-size: 11px; }
.hero-art-footer { justify-content: flex-start; gap: 9px; margin-top: 24px; color: #9b9b9f; }
.hero-art-footer b { color: #fff; font-size: 15px; font-weight: 500; }
.hero-art-footer-line { flex: 1; height: 1px; margin: 0 5px; background: #454548; }
.hero-art-footer strong { color: #fff; font-weight: 500; }
.welcome-section { max-width: 1240px; margin: 0 auto; padding: 120px 32px; }
.welcome-section-light { display: grid; grid-template-columns: minmax(260px, .85fr) minmax(0, 1.5fr); gap: clamp(54px, 9vw, 150px); background: var(--welcome-parchment); }
.welcome-section-light::before { content: ""; position: absolute; left: 0; right: 0; z-index: -1; height: 405px; background: var(--welcome-parchment); }
.welcome-section-heading h2 { font-size: clamp(38px, 5vw, 58px); }
.welcome-section-heading > p:last-child { max-width: 270px; margin-top: 24px; color: var(--welcome-muted); font-size: 16px; line-height: 1.55; }
.welcome-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; align-self: center; background: #dedee2; }
.welcome-feature { min-height: 250px; padding: 25px 22px; background: var(--welcome-parchment); }
.feature-number { display: block; margin-bottom: 55px; color: #8a8a8f; font-size: 12px; }
.welcome-feature h3 { margin: 0; font-family: "SF Pro Display", "PingFang SC", sans-serif; font-size: 25px; letter-spacing: -.5px; }
.welcome-feature p { min-height: 66px; margin: 10px 0 18px; color: var(--welcome-muted); font-size: 14px; line-height: 1.55; }
.welcome-feature a { color: var(--welcome-blue); font-size: 13px; text-decoration: none; }
.welcome-feature a span { margin-left: 4px; }
.welcome-section-dark { display: flex; justify-content: space-between; gap: 64px; max-width: none; padding-right: max(32px, calc((100vw - 1176px) / 2)); padding-left: max(32px, calc((100vw - 1176px) / 2)); color: #fff; background: var(--welcome-dark); }
.welcome-section-dark .welcome-eyebrow { color: #2997ff; }
.welcome-section-dark h2 { font-size: clamp(45px, 6vw, 72px); }
.welcome-dark-copy { max-width: 350px; align-self: flex-end; margin: 0 0 8px; color: #b8b8bd; font-size: 18px; line-height: 1.6; }
.welcome-footer { display: flex; justify-content: space-between; gap: 20px; max-width: 1240px; margin: 0 auto; padding: 30px 32px 38px; color: #7a7a7f; background: #f5f5f7; font-size: 12px; }
body.welcome-mode .modal { font-family: "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif; }
body.welcome-mode .modal::backdrop { background: rgba(0, 0, 0, .42); }
body.welcome-mode #login-dialog { border-radius: 18px; }
body.welcome-mode #login-dialog .modal-head { padding: 26px 26px 8px; }
body.welcome-mode #login-dialog form { padding: 0 26px 26px; }
body.welcome-mode #login-dialog .modal-actions { margin-top: 20px; }
body.welcome-mode #login-dialog button.primary { border-radius: 999px; padding: 11px 20px; background: var(--welcome-blue); }
@media (max-width: 850px) {
  .welcome-hero { grid-template-columns: 1fr; min-height: auto; padding-top: 58px; }
  .welcome-hero-art { max-width: 560px; width: 100%; }
  .welcome-section-light { grid-template-columns: 1fr; gap: 48px; }
  .welcome-section-light::before { height: 720px; }
  .welcome-section-dark { display: grid; grid-template-columns: 1fr; gap: 42px; }
  .welcome-dark-copy { align-self: auto; margin: 0; }
}
@media (max-width: 560px) {
  .welcome-nav { padding: 0 18px; }
  .welcome-nav-links { gap: 14px; }
  .welcome-nav-links a { display: none; }
  .welcome-hero, .welcome-section { padding-right: 18px; padding-left: 18px; }
  .welcome-hero { padding-top: 48px; padding-bottom: 72px; }
  .welcome-hero h1 { font-size: 50px; }
  .welcome-lead { font-size: 17px; }
  .welcome-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .welcome-hero-art { min-height: 400px; padding: 24px; }
  .welcome-feature-grid { grid-template-columns: 1fr; }
  .welcome-feature { min-height: auto; }
  .feature-number { margin-bottom: 26px; }
  .welcome-feature p { min-height: auto; }
  .welcome-footer { flex-wrap: wrap; padding-right: 18px; padding-left: 18px; }
}