:root {
  --ink: #17212d;
  --muted: #64748b;
  --line: #d9e2ec;
  --canvas: #f4f7fa;
  --panel: #ffffff;
  --teal: #007c82;
  --teal-dark: #005f64;
  --green: #16794a;
  --green-soft: #eaf8ef;
  --red: #c2413b;
  --amber: #a16207;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { min-width: 320px; margin: 0; color: var(--ink); background: var(--canvas); font: 14px/1.45 Inter, "Microsoft YaHei", Arial, sans-serif; }
button, input, textarea { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }
h1, h2, h3, h4, p { margin: 0; }

.monitor-shell { width: min(1320px, calc(100% - 40px)); margin: 0 auto; padding: 28px 0 48px; }
.monitor-topbar, .monitor-command, .panel-title, .monitor-actions { display: flex; align-items: center; }
.monitor-topbar, .monitor-command { justify-content: space-between; gap: 22px; }
.monitor-topbar { margin-bottom: 16px; }
.monitor-header-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.monitor-brand { display: flex; align-items: center; gap: 12px; }
.monitor-brand p, .eyebrow { color: var(--teal); font-size: 12px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; }
.monitor-brand h1 { font-size: 25px; line-height: 1.2; }
.brand-mark { display: grid; width: 36px; height: 36px; place-items: center; color: #fff; background: var(--teal); border-radius: 6px; font-size: 12px; font-weight: 800; letter-spacing: 1px; }
.monitor-actions { gap: 9px; }
.status { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; }
.status svg { width: 12px; color: var(--amber); fill: currentColor; }
.status.ready svg { color: var(--green); }
.icon-button { display: inline-grid; width: 38px; height: 38px; place-items: center; cursor: pointer; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 5px; }
.icon-button:hover { color: var(--teal); border-color: var(--teal); }
.icon-button svg, button svg { width: 17px; height: 17px; }
.monitor-back-button { display: inline-grid; width: 38px; height: 38px; flex: 0 0 38px; place-items: center; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 5px; text-decoration: none; }
.monitor-back-button:hover { color: var(--teal); border-color: var(--teal); }
.monitor-back-button svg { width: 18px; height: 18px; }

.price-change-banner { display: grid; grid-template-columns: 38px minmax(0, 1fr) auto; align-items: center; gap: 12px; margin: 0 0 16px; padding: 12px 13px; border: 1px solid #91d4cf; border-left: 4px solid var(--teal); border-radius: 6px; background: #effaf9; box-shadow: 0 7px 18px rgb(6 113 108 / 8%); }
.price-change-banner[data-direction="down"] { border-color: #f0c473; border-left-color: var(--amber); background: #fff8e9; box-shadow: 0 7px 18px rgb(146 92 8 / 8%); }
.price-change-banner[data-direction="up"] { border-color: #f2b8b5; border-left-color: #c43228; background: #fff5f4; box-shadow: 0 7px 18px rgb(180 35 24 / 8%); }
.price-change-icon { display: grid; width: 32px; height: 32px; place-items: center; color: #fff; background: var(--teal); border-radius: 5px; }
.price-change-banner[data-direction="down"] .price-change-icon { background: var(--amber); }
.price-change-banner[data-direction="up"] .price-change-icon { background: #c43228; }
.price-change-icon svg { width: 18px; height: 18px; }
.price-change-copy { min-width: 0; }
.price-change-copy strong { display: block; color: #066d67; font-size: 14px; }
.price-change-banner[data-direction="down"] .price-change-copy strong { color: #6e4808; }
.price-change-banner[data-direction="up"] .price-change-copy strong { color: #8d211b; }
.price-change-copy p { margin-top: 3px; overflow: hidden; color: #16756f; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.price-change-banner[data-direction="down"] .price-change-copy p { color: #86611b; }
.price-change-banner[data-direction="up"] .price-change-copy p { color: #9f3d36; }
.price-change-copy p strong { display: inline; color: #067c76; font-size: inherit; }
.price-change-banner[data-direction="down"] .price-change-copy p strong { color: #a16207; }
.price-change-banner[data-direction="up"] .price-change-copy p strong { color: #b42318; }
.price-change-actions { display: flex; align-items: center; gap: 10px; }
.price-change-actions .text-button { color: #086e68; font-weight: 700; }
.price-change-banner[data-direction="down"] .price-change-actions .text-button { color: #8a5a08; }
.price-change-banner[data-direction="up"] .price-change-actions .text-button { color: #9d2820; }
.price-change-actions .icon-button { width: 32px; height: 32px; color: #0b706a; border-color: transparent; background: transparent; }
.price-change-actions .icon-button:hover { color: #075a56; border-color: #91d4cf; background: #ddf5f2; }
.price-change-banner[data-direction="down"] .price-change-actions .icon-button { color: #805b18; }
.price-change-banner[data-direction="down"] .price-change-actions .icon-button:hover { color: #633d02; border-color: #edc475; background: #fff0d5; }
.price-change-banner[data-direction="up"] .price-change-actions .icon-button { color: #982d25; }
.price-change-banner[data-direction="up"] .price-change-actions .icon-button:hover { color: #731d18; border-color: #edb5b0; background: #ffe3e1; }

.app-nav { display: flex; align-items: center; gap: 5px; margin-bottom: 16px; padding: 5px; background: #eaf0f4; border: 1px solid var(--line); border-radius: 6px; }
.nav-item { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 34px; padding: 0 12px; cursor: pointer; color: var(--muted); background: transparent; border: 0; border-radius: 4px; font-size: 13px; font-weight: 700; text-decoration: none; }
.nav-item:hover { color: var(--teal); }
.nav-item.active { color: var(--teal-dark); background: var(--panel); box-shadow: 0 1px 3px rgb(15 23 42 / 12%); }

.monitor-command { padding: 19px; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; }
.monitor-command h2 { margin-top: 3px; font-size: 18px; }
.command-note { max-width: 600px; margin-top: 6px; color: var(--muted); font-size: 13px; }
.primary, .secondary { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 38px; padding: 0 14px; cursor: pointer; border-radius: 4px; font-weight: 700; white-space: nowrap; }
.primary { color: #fff; background: var(--teal); border: 1px solid var(--teal); }
.primary:hover:not(:disabled) { background: var(--teal-dark); }
.secondary { color: var(--ink); background: #fff; border: 1px solid var(--line); }
.secondary:hover:not(:disabled) { color: var(--teal); border-color: var(--teal); }
.primary:disabled, .secondary:disabled { opacity: .65; cursor: not-allowed; }

.monitor-metrics { display: grid; grid-template-columns: repeat(4, minmax(135px, 1fr)); gap: 12px; margin: 16px 0; }
.monitor-metrics article { display: grid; gap: 4px; min-height: 100px; padding: 15px; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; }
.monitor-metrics span, .monitor-metrics small, .small { color: var(--muted); font-size: 12px; }
.monitor-metrics strong { font-size: 27px; line-height: 1.1; }
.monitor-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); gap: 14px; }
.monitor-panel { overflow: hidden; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; }
.coupon-panel { margin-top: 14px; }
.panel-title { justify-content: space-between; min-height: 46px; padding: 0 13px; border-bottom: 1px solid var(--line); }
.panel-title h3 { font-size: 14px; }
.monitor-log-output, .data-match-log { min-height: 280px; max-height: 420px; margin: 0; padding: 13px; overflow: auto; color: #b7e1cc; background: #102a43; font: 12px/1.65 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: pre-wrap; }
.monitor-messages { max-height: 420px; overflow: auto; }
.monitor-message { padding: 12px 13px; border-bottom: 1px solid #edf2f7; }
.monitor-message:last-child { border-bottom: 0; }
.monitor-message.unread { background: #f0f9f8; }
.monitor-message.price-change.price-down { border-left: 3px solid #d69a26; background: #fffaf0; }
.monitor-message.price-change.price-down.unread { background: #fff5de; }
.monitor-message.price-change.price-up { border-left: 3px solid #d34b42; background: #fff7f6; }
.monitor-message.price-change.price-up.unread { background: #ffebe9; }
.monitor-message header { display: flex; justify-content: space-between; gap: 12px; }
.monitor-message h4 { font-size: 13px; }
.monitor-message time { flex: none; color: var(--muted); font-size: 11px; }
.monitor-message p { margin-top: 5px; color: var(--muted); font-size: 12px; }
.text-button { padding: 0; cursor: pointer; color: var(--teal); background: none; border: 0; font-size: 12px; }
.text-button:hover { text-decoration: underline; }
.coupon-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 10px; padding: 12px; }
.coupon-item { position: relative; display: grid; gap: 8px; min-height: 140px; padding: 12px; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 5px; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.coupon-item:hover { border-color: #b7ccc9; box-shadow: 0 8px 18px rgb(15 23 42 / 7%); transform: translateY(-1px); }
.coupon-item header { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 20px; }
.coupon-item time { color: var(--muted); font-size: 11px; white-space: nowrap; }
.coupon-state { display: inline-flex; align-items: center; min-height: 20px; padding: 0 6px; color: #47716b; background: #edf8f6; border-radius: 3px; font-size: 11px; font-weight: 700; }
.coupon-item h4 { margin: 0; font-size: 14px; line-height: 1.35; }
.coupon-item p { display: -webkit-box; min-height: 34px; overflow: hidden; color: var(--muted); font-size: 12px; line-height: 1.45; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.coupon-meta { display: flex; flex-wrap: wrap; gap: 6px; align-self: end; margin-top: auto; color: var(--amber); font-size: 12px; }
.coupon-meta span { padding: 2px 6px; background: #fff7df; border-radius: 3px; }
.coupon-item.is-new { background: #fff1f2; border-color: #fecdd3; }
.coupon-item.is-new .coupon-state { color: #b4233e; background: #ffe0e6; }
.coupon-item.is-new .coupon-meta span { color: #b4233e; background: #ffe3e8; }
.coupon-item.is-expired { opacity: .5; background: #f4f6f8; border-color: #e2e8f0; }
.coupon-item.is-expired::after { position: absolute; top: 50%; left: -12%; width: 124%; height: 1px; background: #94a3b8; content: ""; opacity: .8; pointer-events: none; transform: rotate(-17deg); transform-origin: center; }
.coupon-item.is-expired .coupon-state { color: #64748b; background: #e8edf2; }
.self-check-panel { margin-top: 14px; }
.self-check-summary { color: var(--muted); font-size: 12px; font-weight: 700; }
.self-check-summary.is-ok { color: var(--green); }
.self-check-summary.is-failed { color: var(--red); }
.self-check-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 10px; padding: 12px; }
.self-check-item { display: grid; gap: 6px; min-height: 92px; padding: 11px; background: #f8fafc; border: 1px solid var(--line); border-left: 3px solid var(--amber); border-radius: 5px; }
.self-check-item.is-ok { border-left-color: var(--green); background: #f2fbf8; }
.self-check-item.is-failed { border-left-color: var(--red); background: #fff6f5; }
.self-check-item header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.self-check-item header strong { color: var(--red); font-size: 11px; }
.self-check-item.is-ok header strong { color: var(--green); }
.self-check-item header span { overflow: hidden; color: var(--ink); font-size: 13px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.self-check-item p { color: var(--muted); font-size: 12px; line-height: 1.45; }
.self-check-item small { color: var(--muted); font-size: 11px; }
.coupon-issue-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 10px; padding: 12px; }
.coupon-issue-item { display: grid; gap: 7px; padding: 11px; background: #fff7f6; border: 1px solid #fecaca; border-radius: 5px; }
.coupon-issue-item header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.coupon-issue-item time { color: var(--muted); font-size: 11px; }
.coupon-issue-state { padding: 2px 6px; color: #b4233e; background: #ffe0e6; border-radius: 3px; font-size: 11px; font-weight: 700; }
.coupon-issue-state.is-skipped { color: #8a5a00; background: #fff0c2; }
.coupon-issue-item strong { color: var(--ink); font-size: 12px; line-height: 1.45; }
.coupon-issue-item a { color: var(--teal); font-size: 12px; }
.empty { padding: 25px; color: var(--muted); text-align: center; }

.data-match-view { display: grid; gap: 14px; }
.data-match-heading { padding-block: 20px; }
.data-match-imports { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.data-match-file-panel, .data-match-run { padding: 18px; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; }
.match-step { color: var(--teal); font-size: 12px; font-weight: 700; letter-spacing: .5px; }
.data-match-file-panel h3, .data-match-run h3 { margin-top: 6px; font-size: 17px; }
.data-match-file-panel p, .data-match-run p { margin-top: 6px; color: var(--muted); font-size: 13px; }
.wide-button { width: 100%; margin-top: 18px; }
.file-meta { min-height: 19px; overflow: hidden; color: var(--muted) !important; font-size: 12px !important; text-overflow: ellipsis; white-space: nowrap; }
.file-meta.ready { color: var(--green) !important; }
.data-match-run { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.data-match-run p { max-width: 660px; }
.data-match-results { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .85fr); gap: 14px; }
.match-output { min-height: 196px; padding: 12px; }
.match-output .empty { display: grid; min-height: 170px; place-items: center; }
.match-download { display: flex; min-height: 170px; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.match-download > svg { width: 42px; height: 42px; flex: none; padding: 9px; color: var(--green); background: var(--green-soft); border-radius: 5px; }
.match-download span { min-width: 0; flex: 1; }
.match-download strong, .match-download small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.match-download strong { font-size: 13px; }
.match-download small { margin-top: 5px; color: var(--muted); font-size: 12px; }
.match-download b { color: var(--teal); font-size: 13px; }
.match-download:hover b { text-decoration: underline; }
.data-match-log { min-height: 196px; max-height: 300px; color: #c8d7e7; }

.cookie-dialog { width: min(620px, calc(100vw - 32px)); padding: 20px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 6px; box-shadow: 0 20px 70px rgb(15 23 42 / 24%); }
.cookie-dialog::backdrop { background: rgb(15 23 42 / 42%); }
.cookie-dialog form { display: grid; gap: 13px; }
.dialog-header { display: flex; align-items: flex-start; justify-content: space-between; }
.dialog-header h2 { margin-top: 2px; font-size: 18px; }
.cookie-dialog label { display: grid; gap: 6px; color: var(--muted); font-size: 12px; }
.cookie-dialog input, .cookie-dialog textarea { width: 100%; padding: 9px 10px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 4px; resize: vertical; }
.cookie-dialog input:focus, .cookie-dialog textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 2px #d8f2f1; }
.flash { min-height: 20px; color: var(--green); font-size: 13px; }
.flash.error { color: var(--red); }
.dialog-actions { display: flex; justify-content: flex-end; }
.check-line { display: flex !important; grid-template-columns: none !important; align-items: center; gap: 8px !important; color: var(--ink) !important; }
.check-line input { width: 16px; height: 16px; flex: none; }
.toast-region { position: fixed; right: 20px; bottom: 20px; z-index: 30; display: grid; width: min(360px, calc(100vw - 40px)); gap: 10px; }
.toast { padding: 13px; color: #102a43; background: #fff; border: 1px solid #b9d9d7; border-left: 4px solid var(--teal); border-radius: 5px; box-shadow: 0 12px 28px rgb(15 23 42 / 18%); cursor: pointer; animation: toast-enter 280ms cubic-bezier(.2, .85, .3, 1) both; }
.toast:hover { border-color: var(--teal); box-shadow: 0 16px 34px rgb(15 23 42 / 24%); transform: translateX(-3px); }
.toast:focus-visible { outline: 3px solid rgb(13 148 136 / 30%); outline-offset: 2px; }
.toast.is-leaving { pointer-events: none; animation: toast-exit 260ms ease-in both; }
.toast strong { display: block; font-size: 13px; }
.toast span { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; }

@keyframes toast-enter {
  from { opacity: 0; transform: translateX(28px) translateY(6px) scale(.97); }
  to { opacity: 1; transform: translateX(0) translateY(0) scale(1); }
}

@keyframes toast-exit {
  from { opacity: 1; transform: translateX(0) scale(1); max-height: 120px; margin: 0; padding-top: 13px; padding-bottom: 13px; }
  to { opacity: 0; transform: translateX(30px) scale(.96); max-height: 0; margin: 0; padding-top: 0; padding-bottom: 0; border-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .toast, .toast.is-leaving { animation-duration: 1ms; }
  .toast:hover { transform: none; }
}

@media (max-width: 900px) {
  .monitor-metrics { grid-template-columns: repeat(2, 1fr); }
  .monitor-grid, .data-match-results { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .monitor-shell { width: min(100% - 28px, 1320px); padding-top: 18px; }
  .monitor-topbar, .monitor-command, .data-match-run { align-items: flex-start; flex-direction: column; }
  .monitor-header-left { width: 100%; }
  .monitor-actions { width: 100%; }
  .monitor-actions button { flex: 1; }
  .monitor-command .monitor-actions { flex-wrap: wrap; }
  .monitor-command .monitor-actions .small { flex: 0 0 100%; }
  .monitor-command .monitor-actions button { min-width: 0; }
  .monitor-topbar .monitor-actions { justify-content: space-between; }
  .monitor-topbar .monitor-actions .icon-button { flex: 0 0 38px; }
  .price-change-banner { grid-template-columns: 32px minmax(0, 1fr); align-items: start; }
  .price-change-actions { grid-column: 2; justify-content: space-between; }
  .price-change-copy p { white-space: normal; }
  .monitor-metrics { grid-template-columns: 1fr 1fr; }
  .monitor-metrics article { min-height: 88px; }
  .data-match-imports { grid-template-columns: 1fr; }
  .data-match-run > .primary { width: 100%; }
  .match-download { align-items: flex-start; }
  .match-download strong, .match-download small { overflow: visible; text-overflow: clip; overflow-wrap: anywhere; white-space: normal; }
  .match-download b { align-self: center; }
}