:root {
    color-scheme: light;
    --stellar-blue: #2761fc;
    --stellar-blue-hover: #2152d4;
    --ink: #0b0c19;
    --secondary: #62626a;
    --line: #d6d6e0;
    --divider: #eaeaf0;
    --surface: #f6f6fd;
    --panel: #ffffff;
    --success: #00b252;
    --warning: #f59e0a;
    --error: #e10000;
    --sidebar-width: 280px;
    --topbar-height: 72px;
    font-family: Poppins, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
    color-scheme: dark;
    --ink: #f7f7fb;
    --secondary: #a9a9b6;
    --line: #363744;
    --divider: #282934;
    --surface: #12131c;
    --panel: #1a1b26;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--surface);
    color: var(--ink);
    min-width: 320px;
}

button, a { font: inherit; }

a { color: inherit; text-decoration: none; }

.app-shell { min-height: 100vh; }

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding: 24px 20px;
    background: var(--panel);
    border-right: 1px solid var(--divider);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 17px;
}

.brand-mark {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border-radius: 12px;
    background: var(--stellar-blue);
    color: #fff;
    font-weight: 700;
}

.nav-list { display: grid; gap: 6px; }

.nav-item {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
    border-radius: 10px;
    color: var(--secondary);
    font-size: 14px;
    font-weight: 600;
    transition: background-color 180ms ease, color 180ms ease;
}

.nav-item:hover, .nav-item:focus-visible { background: var(--surface); color: var(--ink); }
.nav-item.is-active { background: #eaf0ff; color: var(--stellar-blue); }
[data-theme="dark"] .nav-item.is-active { background: #1e2d59; }

.count { min-width: 24px; padding: 2px 7px; border-radius: 999px; background: var(--panel); text-align: center; }

.system-card {
    margin-top: 0;
    display: flex;
    gap: 10px;
    padding: 14px;
    border: 1px solid var(--divider);
    border-radius: 16px;
    font-size: 12px;
}

.system-stack { margin-top: auto; display: grid; gap: 10px; }

.system-card strong, .system-card span { display: block; }
.system-card span { color: var(--secondary); margin-top: 3px; }

.status-dot { width: 9px; height: 9px; margin-top: 4px; border-radius: 999px; background: var(--warning); }
.status-dot.is-online { background: var(--success); }

.workspace { margin-left: var(--sidebar-width); padding: 32px 40px 56px; }

.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.eyebrow { margin: 0 0 5px; color: var(--secondary); font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(26px, 3vw, 36px); line-height: 1.2; }
h2 { margin-bottom: 0; font-size: 22px; }

.icon-button {
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel);
    color: var(--ink);
    cursor: pointer;
}

.icon-button:focus-visible, .nav-item:focus-visible { outline: 2px solid var(--stellar-blue); outline-offset: 2px; }

.safety-banner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    border: 1px solid #b9e7cc;
    border-radius: 16px;
    background: #f0fbf5;
    color: #0b4325;
}

[data-theme="dark"] .safety-banner { background: #13261c; border-color: #275d3d; color: #d7f6e3; }
.safety-banner p { margin: 3px 0 0; font-size: 13px; opacity: .78; }
.safety-icon { display: grid; width: 30px; height: 30px; place-items: center; border-radius: 999px; background: var(--success); color: #fff; font-weight: 700; }
.badge { padding: 6px 10px; border-radius: 999px; background: #d9f6e5; color: #087134; font-size: 11px; font-weight: 700; }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 24px 0; }
.metric-card { min-height: 150px; padding: 22px; border: 1px solid var(--divider); border-radius: 20px; background: var(--panel); }
.metric-card > span, .metric-card small { display: block; color: var(--secondary); font-size: 12px; }
.metric-card strong { display: block; margin: 18px 0 8px; font-size: 34px; line-height: 1; }
.metric-card--accent { background: var(--stellar-blue); border-color: var(--stellar-blue); color: #fff; }
.metric-card--accent > span, .metric-card--accent small { color: #dce6ff; }

.panel { overflow: hidden; border: 1px solid var(--divider); border-radius: 24px; background: var(--panel); }
.panel-heading { display: flex; align-items: center; justify-content: space-between; padding: 22px 24px; border-bottom: 1px solid var(--divider); }
.panel-meta { color: var(--secondary); font-size: 13px; }
.agent-row { display: grid; grid-template-columns: minmax(220px, 1.5fr) .55fr .8fr 1fr .55fr; align-items: center; gap: 16px; min-height: 68px; padding: 10px 24px; border-bottom: 1px solid var(--divider); font-size: 13px; }
.agent-row:last-child { border-bottom: 0; }
.agent-row--header { min-height: 44px; color: var(--secondary); background: var(--surface); font-size: 11px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.agent-identity { display: flex; align-items: center; gap: 11px; min-width: 0; }
.agent-identity strong, .agent-identity small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.agent-identity small { margin-top: 3px; color: var(--secondary); font-size: 11px; }
.agent-market-mobile { display: none !important; }
.avatar { display: grid; flex: 0 0 auto; width: 36px; height: 36px; place-items: center; border-radius: 11px; background: #eaf0ff; color: var(--stellar-blue); font-weight: 700; }
[data-theme="dark"] .avatar { background: #1e2d59; }
.status-pill { display: inline-flex; padding: 5px 9px; border-radius: 999px; background: var(--surface); color: var(--secondary); font-size: 11px; font-weight: 600; }
.status-pill.is-active { background: #ddf8e8; color: #087134; }
.empty-state { padding: 46px 24px; text-align: center; }
.empty-state p { margin: 8px 0 0; color: var(--secondary); font-size: 13px; }

.button {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 15px;
    border: 1px solid var(--stellar-blue);
    border-radius: 10px;
    background: var(--stellar-blue);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 180ms ease, border-color 180ms ease, opacity 180ms ease;
}
.button:hover { background: var(--stellar-blue-hover); border-color: var(--stellar-blue-hover); }
.button:focus-visible, .field:focus-visible, .select:focus-visible, .dialog-close:focus-visible { outline: 2px solid var(--stellar-blue); outline-offset: 2px; }
.button--secondary { background: var(--panel); border-color: var(--line); color: var(--ink); }
.button--secondary:hover { background: var(--surface); border-color: var(--line); }
.button--danger { background: var(--panel); border-color: #efb5b5; color: var(--error); }
.button--danger:hover { background: #fff0f0; border-color: var(--error); }
.button:disabled { opacity: .45; cursor: not-allowed; }
.button--compact { min-height: 32px; padding-inline: 10px; font-size: 11px; }

.flash-message { margin-bottom: 18px; padding: 13px 16px; border: 1px solid #b9e7cc; border-radius: 12px; background: #f0fbf5; color: #0b4325; font-size: 13px; }
.flash-message.is-error { border-color: #efb5b5; background: #fff3f3; color: #8a1212; }
.flash-message ul { margin: 6px 0 0; padding-left: 18px; }

.toolbar-card { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 18px; padding: 16px; border: 1px solid var(--divider); border-radius: 16px; background: var(--panel); }
.search-form, .discovery-form { display: flex; align-items: end; gap: 10px; }
.discovery-form label { display: grid; gap: 5px; color: var(--secondary); font-size: 11px; font-weight: 600; }
.field, .select {
    width: 100%;
    min-height: 40px;
    padding: 9px 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel);
    color: var(--ink);
    font: inherit;
    font-size: 13px;
}
.select { min-width: 130px; padding-right: 34px; }
.field::placeholder { color: var(--secondary); }
.textarea { min-height: 180px; resize: vertical; line-height: 1.55; }
.field-group { display: grid; gap: 6px; color: var(--secondary); font-size: 12px; font-weight: 600; }
.field-group--wide { grid-column: 1 / -1; }
.helper { margin: 10px 0 0; color: var(--secondary); font-size: 12px; line-height: 1.5; }
.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; }

.data-panel { overflow: visible; }
.data-table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th { padding: 12px 18px; background: var(--surface); color: var(--secondary); text-align: left; font-size: 11px; letter-spacing: .04em; text-transform: uppercase; }
.data-table td { padding: 14px 18px; border-top: 1px solid var(--divider); vertical-align: middle; }
.data-table td strong, .data-table td a, .data-table td small { display: block; }
.data-table td a { margin-top: 3px; color: var(--stellar-blue); font-size: 11px; }
.data-table td small { margin-top: 3px; color: var(--secondary); font-size: 11px; }
.score { display: inline-grid; min-width: 34px; height: 28px; place-items: center; border-radius: 9px; background: var(--surface); color: var(--secondary); font-weight: 700; }
.score.is-good { background: #ddf8e8; color: #087134; }
.pagination { padding: 14px 18px; border-top: 1px solid var(--divider); }

.dialog { width: min(620px, calc(100vw - 32px)); padding: 0; border: 0; border-radius: 20px; background: transparent; color: var(--ink); opacity: 0; transform: translateY(8px) scale(.985); transition: opacity 180ms ease, transform 180ms ease, display 180ms allow-discrete, overlay 180ms allow-discrete; }
.dialog[open] { opacity: 1; transform: translateY(0) scale(1); }
.dialog::backdrop { background: rgb(11 12 25 / .52); opacity: 0; transition: opacity 180ms ease, display 180ms allow-discrete, overlay 180ms allow-discrete; }
.dialog[open]::backdrop { opacity: 1; }
.dialog-card { position: relative; padding: 26px; border: 1px solid var(--divider); border-radius: 20px; background: var(--panel); box-shadow: 0 22px 60px rgb(11 12 25 / .22); }
.dialog-card h2 { margin-bottom: 20px; }
.dialog-close { position: absolute; top: 14px; right: 14px; width: 38px; height: 38px; border: 1px solid var(--divider); border-radius: 10px; background: var(--panel); color: var(--ink); font-size: 22px; cursor: pointer; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }

.split-workspace { display: grid; grid-template-columns: minmax(360px, .85fr) minmax(480px, 1.15fr); gap: 18px; align-items: start; }
.conversation-list { max-height: calc(100vh - 160px); overflow-y: auto; }
.conversation-row { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--divider); }
.conversation-row:last-child { border-bottom: 0; }
.conversation-row strong, .conversation-row span, .conversation-row small, .conversation-meta time { display: block; }
.conversation-row span { margin-top: 3px; font-size: 12px; }
.conversation-row small { margin-top: 4px; color: var(--secondary); font-size: 11px; }
.conversation-meta { text-align: right; color: var(--secondary); font-size: 11px; }
.conversation-meta time { margin-top: 5px; }
.draft-stack { display: grid; gap: 14px; }
.section-heading, .draft-card-heading { display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.draft-card { padding: 18px; border: 1px solid var(--divider); border-radius: 18px; background: var(--panel); }
.draft-card-heading { margin-bottom: 16px; }
.draft-card-heading strong, .draft-card-heading span { display: block; }
.draft-card-heading span { margin-top: 4px; color: var(--secondary); font-size: 11px; }
.draft-card form { display: grid; gap: 12px; }
.draft-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.outreach-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-bottom: 14px; }
.outreach-summary > div, .evidence-card, .validation-card { padding: 11px 12px; border: 1px solid var(--divider); border-radius: 12px; background: var(--surface); }
.outreach-summary span, .evidence-card > span { display: block; margin-bottom: 4px; color: var(--secondary); font-size: 10px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.outreach-summary strong { display: block; font-size: 12px; line-height: 1.4; }
.evidence-card { margin-bottom: 14px; }
.evidence-card p { margin-bottom: 5px; font-size: 12px; line-height: 1.5; }
.evidence-card a { color: var(--stellar-blue); font-size: 11px; overflow-wrap: anywhere; }
.validation-card { margin-bottom: 14px; border-color: #f3c87a; background: #fff8e8; color: #6f4700; font-size: 12px; }
[data-theme="dark"] .validation-card { border-color: #6d5224; background: #2c2415; color: #ffe3ad; }
.validation-card ul { margin: 7px 0 0; padding-left: 18px; }
.mailbox-activity { margin-top: 20px; }

.pipeline-board { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(280px, 1fr); gap: 14px; overflow-x: auto; padding-bottom: 12px; scroll-snap-type: x proximity; }
.pipeline-column { min-height: 420px; padding: 12px; border: 1px solid var(--divider); border-radius: 18px; background: color-mix(in srgb, var(--surface) 75%, var(--panel)); scroll-snap-align: start; }
.pipeline-column-heading { display: flex; justify-content: space-between; align-items: center; padding: 4px 4px 12px; font-size: 12px; }
.pipeline-column-heading span { min-width: 24px; padding: 2px 7px; border-radius: 999px; background: var(--panel); color: var(--secondary); text-align: center; }
.pipeline-cards { display: grid; gap: 10px; }
.pipeline-card { padding: 14px; border: 1px solid var(--divider); border-radius: 14px; background: var(--panel); }
.pipeline-card strong, .pipeline-card span { display: block; }
.pipeline-card > div > span { margin-top: 3px; color: var(--secondary); font-size: 11px; }
.pipeline-card p { margin: 12px 0; color: var(--secondary); font-size: 12px; line-height: 1.45; }
.pipeline-card-footer { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 12px; }
.pipeline-card-footer span:last-child { overflow: hidden; color: var(--secondary); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.pipeline-card .select { min-width: 0; }
.pipeline-empty { padding: 30px 10px; color: var(--secondary); text-align: center; font-size: 12px; }
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: var(--surface); }
.auth-card { width: min(420px, 100%); padding: 30px; border: 1px solid var(--divider); border-radius: 24px; background: var(--panel); box-shadow: 0 22px 60px rgb(11 12 25 / .12); }
.auth-card .brand-mark { margin-bottom: 18px; }
.auth-card h1 { margin-bottom: 8px; font-size: 28px; }
.auth-card form { display: grid; gap: 14px; margin-top: 22px; }

@media (max-width: 1050px) {
    .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .agent-row { grid-template-columns: minmax(220px, 1.5fr) .6fr .8fr .6fr; }
    .agent-row > :nth-child(4) { display: none; }
    .toolbar-card { align-items: stretch; flex-direction: column; }
    .split-workspace { grid-template-columns: 1fr; }
    .conversation-list { max-height: none; }
    .outreach-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
    .sidebar { position: static; width: auto; padding: 16px 20px; border-right: 0; border-bottom: 1px solid var(--divider); }
    .nav-list, .system-stack { display: none; }
    .workspace { margin-left: 0; padding: 24px 20px 40px; }
    .safety-banner { grid-template-columns: auto 1fr; }
    .safety-banner .badge { grid-column: 2; justify-self: start; }
    .metric-grid { grid-template-columns: 1fr 1fr; }
    .metric-card { min-height: 132px; padding: 18px; }
    .agent-row--header { display: none; }
    .agent-row { grid-template-columns: 1fr auto; padding: 14px 18px; }
    .agent-row > :nth-child(2), .agent-row > :nth-child(3), .agent-row > :nth-child(4) { display: none; }
    .agent-market-mobile { display: block !important; margin-top: 4px !important; color: var(--ink) !important; }
    .topbar { align-items: flex-start; gap: 14px; }
    .topbar-actions { flex-wrap: wrap; justify-content: flex-end; }
    .search-form, .discovery-form { align-items: stretch; flex-direction: column; }
    .form-grid { grid-template-columns: 1fr; }
    .field-group--wide { grid-column: auto; }
    .data-table th:nth-child(2), .data-table td:nth-child(2), .data-table th:nth-child(4), .data-table td:nth-child(4) { display: none; }
    .conversation-row { grid-template-columns: auto 1fr; }
    .conversation-meta { display: none; }
    .dialog-card { padding: 22px 18px; }
    .outreach-summary { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .metric-grid { grid-template-columns: 1fr; }
    .panel-heading { align-items: flex-start; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: .01ms !important; }
}