:root {
    --ink: #17221b;
    --muted: #647067;
    --line: #dce3dd;
    --paper: #ffffff;
    --canvas: #f4f7f4;
    --green: #176b42;
    --green-dark: #0e5030;
    --green-soft: #e7f5ec;
    --amber: #a65b0b;
    --amber-soft: #fff1dc;
    --red: #a83434;
    --red-soft: #fdebea;
    --shadow: 0 18px 50px rgba(18, 43, 28, .08);
}

* { box-sizing: border-box; }
html { color-scheme: light; }
body {
    margin: 0;
    min-width: 320px;
    color: var(--ink);
    background: var(--canvas);
    font: 15px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: inherit; }
button, input, select { font: inherit; }
button, select { cursor: pointer; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.login-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at 10% 10%, rgba(55, 153, 91, .18), transparent 34rem),
        radial-gradient(circle at 95% 100%, rgba(240, 164, 62, .13), transparent 30rem),
        #eef4ef;
}
.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}
.login-card {
    width: min(100%, 510px);
    padding: clamp(30px, 7vw, 58px);
    border: 1px solid rgba(23, 107, 66, .14);
    border-radius: 24px;
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 32px 80px rgba(20, 54, 34, .14);
}
.brand-logo { width: min(100%, 300px); height: auto; margin-bottom: 34px; }
.eyebrow {
    display: block;
    margin-bottom: 8px;
    color: var(--green);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .13em;
    text-transform: uppercase;
}
.login-card h1,
.page-heading h1 {
    margin: 0;
    max-width: 800px;
    font-size: clamp(30px, 5vw, 48px);
    line-height: 1.07;
    letter-spacing: -.04em;
}
.login-intro { margin: 18px 0 30px; color: var(--muted); font-size: 17px; }
.button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: 10px;
    background: transparent;
    color: var(--ink);
    font-weight: 750;
    line-height: 1.2;
    text-decoration: none;
    transition: background .16s ease, border-color .16s ease, transform .16s ease;
}
.button:hover { transform: translateY(-1px); }
.button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
    outline: 3px solid rgba(23, 107, 66, .25);
    outline-offset: 2px;
}
.button-primary { background: var(--green); color: white; }
.button-primary:hover { background: var(--green-dark); }
.button-quiet { border-color: var(--line); background: white; }
.button-quiet:hover { border-color: #aab7ad; }
.button-wide { width: 100%; min-height: 52px; }
.google-mark {
    display: grid;
    width: 25px;
    height: 25px;
    place-items: center;
    border-radius: 50%;
    background: white;
    color: #4285f4;
    font-weight: 900;
}
.access-note {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 13px;
}
.access-note strong { color: var(--ink); }

.app-header {
    position: sticky;
    z-index: 20;
    top: 0;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, .95);
    backdrop-filter: blur(12px);
}
.header-inner {
    display: flex;
    width: min(1440px, calc(100% - 40px));
    min-height: 72px;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin: 0 auto;
}
.header-brand { display: flex; align-items: center; gap: 16px; text-decoration: none; }
.header-brand img { width: 210px; height: auto; }
.header-brand span { padding-left: 16px; border-left: 1px solid var(--line); color: var(--muted); font-weight: 800; }
.user-menu { display: flex; align-items: center; gap: 12px; }
.user-copy { display: flex; flex-direction: column; text-align: right; font-size: 13px; }
.user-copy span { color: var(--muted); }
.avatar { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; }

.page-shell { width: min(1440px, calc(100% - 40px)); margin: 0 auto; padding: 54px 0 60px; }
.page-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 34px;
}
.page-heading p { max-width: 790px; margin: 16px 0 0; color: var(--muted); font-size: 17px; }
.mode-card {
    display: flex;
    min-width: 245px;
    align-items: center;
    gap: 12px;
    padding: 15px 17px;
    border: 1px solid #b8dbc5;
    border-radius: 14px;
    background: var(--green-soft);
}
.mode-card div { display: flex; flex-direction: column; }
.mode-card span:not(.status-dot) { color: var(--muted); font-size: 12px; }
.status-dot { width: 10px; height: 10px; border-radius: 50%; background: #20a45b; box-shadow: 0 0 0 5px rgba(32, 164, 91, .12); }
.notice { margin-bottom: 18px; padding: 15px 18px; border: 1px solid; border-radius: 12px; }
.notice strong { display: block; }
.notice-error { border-color: #efbcbc; background: var(--red-soft); color: #792727; }
.notice-warn { border-color: #efd29c; background: var(--amber-soft); color: #74400b; }
.notice-success { border-color: #b8dbc5; background: var(--green-soft); color: var(--green-dark); }
.gmail-connection {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 18px 30px;
    margin-bottom: 22px;
    padding: 20px;
    border: 1px solid #bddfc9;
    border-radius: 16px;
    background: #f4fbf6;
}
.gmail-connection strong { display: block; font-size: 18px; }
.gmail-connection p { margin: 4px 0 0; color: var(--muted); }
.gmail-connection small { grid-column: 1 / -1; color: var(--muted); }
.gmail-actions { display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
.connection-badge { padding: 6px 9px; border-radius: 999px; background: var(--green-soft); color: var(--green-dark); font-size: 11px; font-weight: 850; }
.connection-badge-off { background: var(--amber-soft); color: var(--amber); }
.routing-strip {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: 14px;
    margin: -8px 0 22px;
    padding: 14px 18px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: white;
}
.routing-strip div { display: flex; min-width: 0; flex-direction: column; }
.routing-strip div:last-child { text-align: right; }
.routing-strip span:not(.route-arrow) { color: var(--muted); font-size: 10px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.routing-strip strong { overflow-wrap: anywhere; }
.route-arrow { color: var(--green); font-size: 22px; font-weight: 900; }

.metrics {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 22px;
}
.metrics article {
    display: flex;
    min-height: 132px;
    flex-direction: column;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: var(--paper);
}
.metrics span { color: var(--muted); font-size: 13px; font-weight: 650; }
.metrics strong { margin: auto 0 0; font-size: 34px; line-height: 1; letter-spacing: -.04em; }
.metrics small { margin-top: 8px; color: var(--muted); font-size: 11px; }
.metrics .metric-green { border-color: #bddfc9; background: #f3fbf6; }
.metrics .metric-green strong { color: var(--green); }
.metrics .metric-amber { border-color: #edd6b2; background: #fffaf2; }
.metrics .metric-amber strong { color: var(--amber); }

.rule-workspace {
    overflow: hidden;
    margin-bottom: 22px;
    border: 1px solid #bddfc9;
    border-radius: 18px;
    background: white;
    box-shadow: var(--shadow);
}
.rule-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; padding: 22px; background: #f4fbf6; border-bottom: 1px solid #d4e9db; }
.rule-heading h2 { margin: 0; font-size: 23px; letter-spacing: -.025em; }
.rule-heading p { max-width: 850px; margin: 7px 0 0; color: var(--muted); font-size: 13px; }
.rule-count { flex: 0 0 auto; padding: 7px 11px; border-radius: 999px; background: var(--green); color: white; font-size: 12px; font-weight: 850; }
.rule-empty { display: flex; min-height: 110px; flex-direction: column; align-items: center; justify-content: center; padding: 22px; color: var(--muted); text-align: center; }
.rule-empty strong { color: var(--ink); }
.rule-list { display: flex; flex-direction: column; }
.rule-row { display: grid; grid-template-columns: minmax(220px, .8fr) minmax(280px, 1.2fr) auto; align-items: center; gap: 24px; padding: 20px 22px; border-bottom: 1px solid var(--line); }
.rule-row:last-child { border-bottom: 0; }
.rule-status-created { background: #f7fbf8; }
.rule-status-rejected { opacity: .62; }
.rule-sender { display: flex; min-width: 0; flex-direction: column; }
.rule-sender span { color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.rule-sender small { margin-top: 5px; color: var(--green); font-size: 11px; font-weight: 700; }
.rule-evidence summary { color: var(--green); cursor: pointer; font-size: 12px; font-weight: 800; }
.rule-evidence ul { margin: 10px 0 0; padding-left: 18px; }
.rule-evidence li { margin-bottom: 6px; font-size: 12px; }
.rule-evidence li strong, .rule-evidence li span { display: block; }
.rule-evidence li span { color: var(--muted); font-size: 10px; }
.rule-actions { display: flex; align-items: stretch; gap: 8px; }
.rule-actions form { display: flex; }
.rule-error { margin: 9px 0 0; color: var(--red); font-size: 11px; }
.rule-created { margin: 9px 0 0; color: var(--green); font-size: 11px; font-weight: 750; }
.rule-rejected { margin: 9px 0 0; color: var(--muted); font-size: 11px; }
.rule-note { margin: 0; padding: 13px 22px; border-top: 1px solid var(--line); background: #fafbfa; color: var(--muted); font-size: 11px; }
.rule-note strong { color: var(--ink); }

.workspace-card { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); box-shadow: var(--shadow); }
.filters {
    display: grid;
    grid-template-columns: minmax(240px, 1fr) auto auto auto auto;
    gap: 10px;
    padding: 18px;
    border-bottom: 1px solid var(--line);
}
.filters input, .filters select {
    width: 100%;
    min-height: 44px;
    padding: 10px 13px;
    border: 1px solid #cbd5cd;
    border-radius: 10px;
    background: white;
    color: var(--ink);
}
.result-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 15px 20px;
    background: #f9fbf9;
    border-bottom: 1px solid var(--line);
}
.result-heading div { display: flex; align-items: baseline; gap: 10px; }
.result-heading span { color: var(--muted); font-size: 12px; }
.email-list { display: flex; flex-direction: column; }
.email-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 28px;
    padding: 24px 20px;
    border-bottom: 1px solid var(--line);
}
.email-row:last-child { border-bottom: 0; }
.sender-line { display: flex; align-items: baseline; gap: 10px; }
.sender-line span { color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.email-primary h2 { margin: 8px 0 6px; font-size: 18px; line-height: 1.3; }
.email-meta { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--muted); font-size: 12px; }
.email-primary details { margin-top: 16px; }
.email-primary summary { width: fit-content; color: var(--green); cursor: pointer; font-size: 12px; font-weight: 750; }
.email-primary details p { margin: 10px 0 0; padding: 13px; border-radius: 10px; background: #f5f7f5; color: #536057; font-size: 13px; }
.email-assessment { display: grid; grid-template-columns: 1fr auto; align-content: start; gap: 12px 18px; }
.badge { width: fit-content; padding: 6px 9px; border-radius: 999px; font-size: 11px; font-weight: 850; }
.badge-invoice_candidate { background: var(--green-soft); color: var(--green-dark); }
.badge-needs_review { background: var(--amber-soft); color: #804509; }
.badge-other_email { background: #eef1ef; color: #5f6962; }
.score { display: flex; align-items: baseline; gap: 3px; color: var(--muted); }
.score strong { color: var(--ink); font-size: 20px; }
.score span { font-size: 10px; }
.supplier-match { grid-column: 1 / -1; display: flex; flex-direction: column; padding: 10px 12px; border-left: 3px solid var(--green); background: #f5faf7; font-size: 12px; }
.supplier-match span { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.supplier-match.muted { border-left-color: #c8d0ca; background: #f7f8f7; }
.reason-list { grid-column: 1 / -1; margin: 0; padding-left: 18px; color: var(--muted); font-size: 12px; }
.empty-state { display: flex; min-height: 220px; flex-direction: column; align-items: center; justify-content: center; color: var(--muted); text-align: center; }
.empty-state strong { color: var(--ink); font-size: 18px; }
.guardrails {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 1px;
    overflow: hidden;
    margin-top: 20px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--line);
}
.guardrails div { display: flex; flex-direction: column; padding: 15px 17px; background: #fafbfa; }
.guardrails span { color: var(--muted); font-size: 12px; }

@media (max-width: 1050px) {
    .metrics { grid-template-columns: repeat(3, 1fr); }
    .email-row { grid-template-columns: minmax(0, 1fr) 270px; }
    .filters { grid-template-columns: 1fr 1fr 1fr; }
    .search-field { grid-column: 1 / -1; }
    .guardrails { grid-template-columns: repeat(2, 1fr); }
    .rule-row { grid-template-columns: 1fr 1fr; }
    .rule-actions { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
    .header-inner, .page-shell { width: min(100% - 24px, 1440px); }
    .header-inner { min-height: 64px; }
    .header-brand img { width: 162px; }
    .header-brand span, .user-copy, .avatar { display: none; }
    .button { min-height: 42px; padding: 9px 12px; }
    .page-shell { padding-top: 32px; }
    .page-heading { align-items: stretch; flex-direction: column; gap: 20px; }
    .page-heading h1 { font-size: 34px; }
    .page-heading p { font-size: 15px; }
    .mode-card { min-width: 0; }
    .gmail-connection { grid-template-columns: 1fr; }
    .gmail-actions { align-items: stretch; flex-direction: column; justify-content: flex-start; }
    .routing-strip { grid-template-columns: 1fr; text-align: left; }
    .routing-strip div:last-child { text-align: left; }
    .route-arrow { transform: rotate(90deg); justify-self: start; }
    .metrics { grid-template-columns: repeat(2, 1fr); }
    .metrics article { min-height: 116px; padding: 15px; }
    .metrics strong { font-size: 29px; }
    .filters { grid-template-columns: 1fr 1fr; }
    .search-field { grid-column: 1 / -1; }
    .filters label:not(.search-field) { grid-column: span 1; }
    .result-heading { align-items: flex-start; }
    .safety-copy { display: none; }
    .email-row { grid-template-columns: 1fr; gap: 20px; padding: 20px 16px; }
    .rule-heading { flex-direction: column; gap: 12px; }
    .rule-row { grid-template-columns: 1fr; gap: 14px; padding: 18px 16px; }
    .rule-actions { grid-column: auto; flex-wrap: wrap; }
    .sender-line { align-items: flex-start; flex-direction: column; gap: 1px; }
    .guardrails { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
    .login-shell { padding: 12px; }
    .login-card { padding: 30px 22px; border-radius: 18px; }
    .brand-logo { margin-bottom: 28px; }
    .header-brand img { width: 145px; }
    .metrics { grid-template-columns: 1fr 1fr; gap: 8px; }
    .metrics article:last-child { grid-column: 1 / -1; }
    .filters { grid-template-columns: 1fr; padding: 14px; }
    .filters label, .filters label:not(.search-field), .search-field { grid-column: 1; }
    .result-heading div { align-items: flex-start; flex-direction: column; gap: 0; }
}