:root {
    --bg: #071019;
    --bg-deep: #040a10;
    --panel: rgba(13, 26, 38, 0.88);
    --panel-strong: #0e1c29;
    --line: rgba(148, 180, 201, 0.14);
    --line-bright: rgba(102, 232, 209, 0.3);
    --text: #eef8fb;
    --muted: #7f96a5;
    --teal: #42e8c4;
    --cyan: #4ab8ff;
    --lime: #a3ec6f;
    --amber: #ffc664;
    --red: #ff7184;
    --purple: #a88cff;
    --shadow: 0 22px 55px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background:
        radial-gradient(circle at 72% 12%, rgba(28, 145, 147, .12), transparent 28rem),
        linear-gradient(145deg, var(--bg-deep), var(--bg));
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

button, input, select { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 248px minmax(0, 1fr); }
.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 248px;
    z-index: 20;
    display: flex;
    flex-direction: column;
    padding: 26px 18px;
    background: rgba(5, 13, 20, .94);
    border-right: 1px solid var(--line);
    backdrop-filter: blur(22px);
}
.sidebar-brand, .brand-lockup { display: flex; align-items: center; gap: 13px; }
.sidebar-brand { padding: 0 10px 26px; border-bottom: 1px solid var(--line); }
.sidebar-brand strong, .brand-lockup strong { display: block; font-size: 17px; letter-spacing: .02em; }
.sidebar-brand small, .brand-lockup small { display: block; margin-top: 3px; color: var(--teal); font-size: 10px; font-weight: 800; letter-spacing: .22em; }
.brand-mark {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(66, 232, 196, .42);
    border-radius: 14px;
    color: var(--teal);
    background: linear-gradient(145deg, rgba(66, 232, 196, .16), rgba(74, 184, 255, .05));
    box-shadow: inset 0 0 20px rgba(66, 232, 196, .08), 0 0 22px rgba(66, 232, 196, .08);
    font-weight: 900;
    letter-spacing: -.05em;
}
.brand-mark.small { width: 42px; height: 42px; border-radius: 12px; }
.sidebar-nav { display: grid; gap: 7px; padding-top: 26px; }
.nav-item {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 12px 13px;
    border: 1px solid transparent;
    border-radius: 11px;
    color: #8ea4b1;
    text-decoration: none;
    font-size: 13px;
    font-weight: 650;
    transition: .2s ease;
}
.nav-item span { color: #44606f; font: 700 9px/1 ui-monospace, monospace; }
.nav-item:hover, .nav-item.active { color: var(--text); background: rgba(66, 232, 196, .07); border-color: rgba(66, 232, 196, .14); }
.nav-item.active span { color: var(--teal); }
.sidebar-safety {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 13px;
    border: 1px solid rgba(163, 236, 111, .18);
    border-radius: 13px;
    background: rgba(163, 236, 111, .055);
}
.safety-lock { display: grid; place-items: center; width: 34px; height: 34px; color: var(--lime); border: 1px solid rgba(163, 236, 111, .25); border-radius: 50%; }
.sidebar-safety strong { display: block; font-size: 11px; }
.sidebar-safety small { display: block; margin-top: 4px; color: var(--muted); font-size: 9px; }

.main-workspace { grid-column: 2; min-width: 0; }
.topbar {
    position: sticky;
    top: 0;
    z-index: 15;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 86px;
    padding: 16px 30px;
    border-bottom: 1px solid var(--line);
    background: rgba(7, 16, 25, .82);
    backdrop-filter: blur(20px);
}
.breadcrumb, .eyebrow, .section-index { color: var(--teal); font-size: 9px; font-weight: 800; letter-spacing: .2em; }
.topbar h1 { margin: 6px 0 0; font-size: 22px; font-weight: 660; letter-spacing: -.02em; }
.topbar-actions { display: flex; align-items: center; gap: 13px; }
.connection-pill, .status-pill, .simulation-chip, .deterministic-chip, .no-write-chip, .count-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    background: rgba(255,255,255,.025);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .09em;
}
.connection-pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 12px currentColor; }
.connection-pill.connected { color: var(--lime); border-color: rgba(163,236,111,.2); }
.connection-pill.connected i { background: var(--lime); }
.connection-pill.disconnected { color: var(--red); }
.connection-pill.disconnected i { background: var(--red); }
.user-chip { display: flex; align-items: center; gap: 9px; padding: 6px 10px 6px 7px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.025); }
.avatar { display: grid; place-items: center; width: 31px; height: 31px; border-radius: 9px; background: linear-gradient(145deg, var(--teal), #178da2); color: #042021; font-weight: 900; }
.user-chip strong { display: block; max-width: 150px; overflow: hidden; text-overflow: ellipsis; font-size: 11px; }
.user-chip small { display: block; max-width: 150px; margin-top: 2px; overflow: hidden; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; font-size: 8px; }
.icon-button, .text-button { border: 1px solid var(--line); color: var(--muted); background: rgba(255,255,255,.025); }
.icon-button { width: 38px; height: 38px; border-radius: 10px; font-size: 16px; }
.icon-button:hover, .text-button:hover { color: var(--text); border-color: var(--line-bright); }

.workspace-content { display: grid; gap: 18px; padding: 24px 30px 48px; max-width: 1700px; margin: 0 auto; }
.panel, .kpi-card {
    border: 1px solid var(--line);
    border-radius: 17px;
    background: linear-gradient(145deg, rgba(16, 31, 44, .88), rgba(9, 20, 30, .9));
    box-shadow: var(--shadow);
}
.panel { padding: 20px; }
.glow-panel { position: relative; overflow: hidden; }
.glow-panel::after { content: ""; position: absolute; width: 360px; height: 360px; right: -100px; top: -190px; border-radius: 50%; background: rgba(66, 232, 196, .12); filter: blur(60px); }
.hero-status { min-height: 230px; display: flex; align-items: center; justify-content: space-between; padding: 32px 42px; }
.hero-copy { position: relative; z-index: 2; max-width: 720px; }
.hero-copy h2 { margin: 12px 0 8px; font-size: clamp(30px, 3vw, 48px); line-height: 1; letter-spacing: -.045em; }
.hero-copy p { max-width: 650px; margin: 0; color: #91a7b5; line-height: 1.65; font-size: 13px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 21px; }
.hero-badges span { padding: 7px 10px; border: 1px solid rgba(74,184,255,.18); border-radius: 7px; color: var(--cyan); background: rgba(74,184,255,.06); font-size: 9px; font-weight: 800; letter-spacing: .1em; }
.hero-badges span.safe { color: var(--lime); border-color: rgba(163,236,111,.18); background: rgba(163,236,111,.05); }
.energy-orb { position: relative; z-index: 2; flex: 0 0 190px; height: 190px; display: grid; place-items: center; }
.orb-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(66,232,196,.2); }
.orb-ring.outer { inset: 0; animation: spin 18s linear infinite; border-style: dashed; }
.orb-ring.middle { inset: 20px; border-color: rgba(74,184,255,.22); box-shadow: inset 0 0 38px rgba(66,232,196,.08), 0 0 35px rgba(66,232,196,.07); }
.orb-core { width: 112px; height: 112px; display: grid; place-content: center; text-align: center; border-radius: 50%; background: radial-gradient(circle, rgba(66,232,196,.18), rgba(8,19,27,.92) 68%); border: 1px solid rgba(66,232,196,.32); }
.orb-core strong { color: var(--teal); font-size: 30px; letter-spacing: -.05em; }
.orb-core small { margin-top: 3px; color: var(--muted); font-size: 7px; font-weight: 800; letter-spacing: .12em; line-height: 1.4; }
@keyframes spin { to { transform: rotate(360deg); } }

.kpi-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.kpi-card { position: relative; overflow: hidden; min-height: 124px; padding: 19px; }
.kpi-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 2px; background: linear-gradient(var(--teal), transparent); }
.kpi-card span { color: var(--muted); font-size: 8px; font-weight: 800; letter-spacing: .15em; }
.kpi-card strong { display: block; margin: 12px 0 5px; font-size: 26px; letter-spacing: -.04em; }
.kpi-card small { color: #647d8d; font-size: 9px; }
.two-column-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); gap: 18px; }
.result-grid { align-items: stretch; }
.panel-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 18px; }
.panel-heading h3 { margin: 6px 0 0; font-size: 17px; font-weight: 650; letter-spacing: -.02em; }
.simulation-chip { color: var(--cyan); border-color: rgba(74,184,255,.18); }
.deterministic-chip { color: var(--purple); border-color: rgba(168,140,255,.2); }
.no-write-chip { color: var(--lime); border-color: rgba(163,236,111,.2); }
.text-button { padding: 7px 10px; border-radius: 8px; font-size: 9px; font-weight: 800; text-transform: uppercase; }

.control-form { display: grid; gap: 14px; }
.control-form label, .mapping-form label { display: grid; gap: 7px; color: #9db0bb; font-size: 10px; font-weight: 700; }
.control-form input, .control-form select, .mapping-form input, .mapping-form select {
    width: 100%;
    min-height: 43px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 9px;
    outline: none;
    color: var(--text);
    background: rgba(2, 9, 14, .55);
}
input:focus, select:focus { border-color: rgba(66,232,196,.45); box-shadow: 0 0 0 3px rgba(66,232,196,.06); }
select option { color: var(--text); background: #0d1a25; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.switch-row { display: flex; align-items: center; justify-content: space-between; padding: 13px; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.02); }
.switch-row strong { display: block; font-size: 11px; }
.switch-row small { display: block; margin-top: 4px; color: var(--muted); font-size: 9px; }
.toggle { display: inline-flex !important; }
.toggle input { display: none; }
.toggle span { position: relative; width: 43px; height: 24px; border-radius: 999px; background: #263b47; transition: .2s; }
.toggle span::after { content: ""; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; border-radius: 50%; background: #8096a2; transition: .2s; }
.toggle input:checked + span { background: rgba(66,232,196,.3); box-shadow: inset 0 0 0 1px rgba(66,232,196,.32); }
.toggle input:checked + span::after { transform: translateX(19px); background: var(--teal); box-shadow: 0 0 13px rgba(66,232,196,.45); }
.warning-strip { padding: 11px 12px; border: 1px solid rgba(255,198,100,.2); border-radius: 9px; color: var(--amber); background: rgba(255,198,100,.06); font-size: 10px; line-height: 1.5; }
.primary-button, .secondary-button {
    min-height: 45px;
    border-radius: 10px;
    font-weight: 800;
    letter-spacing: .02em;
}
.primary-button { display: flex; justify-content: space-between; align-items: center; padding: 0 17px; border: 0; color: #03201d; background: linear-gradient(90deg, var(--teal), #80f1c8); box-shadow: 0 10px 28px rgba(66,232,196,.14); }
.primary-button:hover { filter: brightness(1.06); transform: translateY(-1px); }
.primary-button:disabled { cursor: wait; filter: saturate(.35); transform: none; }
.button-running { display: none; }
.primary-button.running .button-ready { display: none; }
.primary-button.running .button-running { display: inline; }
.secondary-button { padding: 0 16px; border: 1px solid rgba(74,184,255,.26); color: var(--cyan); background: rgba(74,184,255,.07); }

.event-timeline { height: 310px; overflow: auto; padding-right: 4px; }
.empty-state { min-height: 220px; display: grid; place-content: center; justify-items: center; gap: 7px; color: var(--muted); text-align: center; }
.empty-state span { color: #446170; font-size: 25px; }
.empty-state strong { color: #a7b7bf; font-size: 11px; }
.empty-state small { font-size: 9px; }
.empty-state.compact { min-height: 145px; }
.event-item { position: relative; margin-left: 9px; padding: 0 0 16px 24px; border-left: 1px solid var(--line); }
.event-item:last-child { padding-bottom: 0; }
.event-item::before { content: ""; position: absolute; left: -4px; top: 4px; width: 7px; height: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 10px rgba(66,232,196,.55); }
.event-item strong { display: block; font-size: 10px; }
.event-item p { margin: 4px 0; color: #8ea2ae; font-size: 10px; line-height: 1.45; }
.event-item time { color: #506876; font: 8px ui-monospace, monospace; }

.workflow-pipeline { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr) 24px) minmax(0, 1fr); align-items: center; }
.workflow-step { min-height: 98px; display: grid; place-content: center; text-align: center; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.018); transition: .25s; }
.workflow-step span { color: #496371; font: 800 9px ui-monospace, monospace; }
.workflow-step strong { margin-top: 7px; font-size: 11px; }
.workflow-step small { margin-top: 4px; color: var(--muted); font-size: 8px; }
.workflow-step.active { border-color: rgba(74,184,255,.45); background: rgba(74,184,255,.08); box-shadow: inset 0 0 20px rgba(74,184,255,.05), 0 0 22px rgba(74,184,255,.05); }
.workflow-step.active span { color: var(--cyan); }
.workflow-step.complete { border-color: rgba(66,232,196,.34); background: rgba(66,232,196,.055); }
.workflow-step.complete span, .workflow-step.complete strong { color: var(--teal); }
.workflow-connector { height: 1px; background: var(--line); }
.workflow-connector.complete { background: var(--teal); box-shadow: 0 0 8px rgba(66,232,196,.4); }
.status-pill.idle { color: var(--muted); }
.status-pill.running { color: var(--cyan); border-color: rgba(74,184,255,.25); }
.status-pill.success { color: var(--lime); border-color: rgba(163,236,111,.25); }
.status-pill.danger { color: var(--red); border-color: rgba(255,113,132,.25); }

.rule-list { display: grid; gap: 8px; }
.rule-item { display: grid; grid-template-columns: 32px minmax(0,1fr) auto; gap: 11px; align-items: center; padding: 11px; border: 1px solid var(--line); border-radius: 10px; }
.rule-icon { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; color: var(--lime); background: rgba(163,236,111,.08); }
.rule-item.failed .rule-icon { color: var(--red); background: rgba(255,113,132,.08); }
.rule-item strong { display: block; font-size: 10px; }
.rule-item p { margin: 3px 0 0; color: var(--muted); font-size: 9px; }
.rule-value { color: #86a1af; font: 9px ui-monospace, monospace; }
.explanation-content h4 { margin: 0 0 8px; font-size: 18px; line-height: 1.3; }
.explanation-content p { margin: 0 0 14px; color: #8fa4af; font-size: 11px; line-height: 1.65; }
.explanation-callout { padding: 12px; border-left: 2px solid var(--purple); border-radius: 0 9px 9px 0; background: rgba(168,140,255,.06); }
.explanation-callout strong { display: block; margin-bottom: 5px; color: #c5b8ff; font-size: 9px; letter-spacing: .1em; }
.explanation-callout span { color: #a4a9be; font-size: 10px; line-height: 1.5; }

.table-wrap { width: 100%; overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th { padding: 10px; border-bottom: 1px solid var(--line); color: #637b88; text-align: left; white-space: nowrap; font-size: 8px; letter-spacing: .1em; text-transform: uppercase; }
td { padding: 11px 10px; border-bottom: 1px solid rgba(148,180,201,.07); color: #a8bac3; white-space: nowrap; font-size: 9px; }
tbody tr:hover { background: rgba(66,232,196,.025); }
tr.selected-candidate { background: rgba(66,232,196,.055); box-shadow: inset 2px 0 var(--teal); }
.table-empty { height: 100px; color: var(--muted); text-align: center; }
.table-status { padding: 4px 7px; border-radius: 999px; color: var(--lime); background: rgba(163,236,111,.07); font-size: 8px; font-weight: 800; }
.table-status.failed { color: var(--red); background: rgba(255,113,132,.07); }

.command-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.command-card { padding: 13px; border: 1px solid var(--line); border-radius: 11px; background: rgba(255,255,255,.018); }
.command-card-head { display: flex; justify-content: space-between; gap: 8px; }
.command-card-head strong { font-size: 11px; }
.command-card-head span { color: var(--cyan); font: 8px ui-monospace, monospace; }
.command-value { margin: 18px 0 6px; color: var(--teal); font-size: 25px; font-weight: 750; }
.command-card p { min-height: 30px; margin: 0; color: var(--muted); font-size: 9px; line-height: 1.5; }
.command-meta { display: flex; justify-content: space-between; margin-top: 12px; padding-top: 9px; border-top: 1px solid var(--line); color: #58717f; font-size: 8px; }

.mapping-form { display: grid; grid-template-columns: 1.35fr 1.1fr .7fr auto; gap: 10px; align-items: end; }
.mapping-result { margin-top: 14px; min-height: 80px; padding: 14px; border: 1px dashed var(--line); border-radius: 11px; color: var(--muted); font-size: 10px; }
.mapping-output { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.mapping-output div { padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255,255,255,.018); }
.mapping-output small { display: block; color: #59717f; font-size: 7px; letter-spacing: .1em; text-transform: uppercase; }
.mapping-output strong { display: block; margin-top: 6px; color: var(--text); font-size: 10px; overflow-wrap: anywhere; }

.toast-stack { position: fixed; right: 20px; bottom: 20px; z-index: 100; display: grid; gap: 8px; }
.toast { max-width: 360px; padding: 12px 14px; border: 1px solid rgba(66,232,196,.22); border-radius: 11px; color: #b8ccc9; background: rgba(8,22,29,.96); box-shadow: var(--shadow); font-size: 10px; animation: toast-in .25s ease; }
.toast.error { border-color: rgba(255,113,132,.28); color: #ffc0c8; }
@keyframes toast-in { from { transform: translateY(8px); opacity: 0; } }

.auth-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(430px, .85fr); }
.auth-visual { position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: space-between; padding: 38px 52px 64px; background: radial-gradient(circle at 65% 38%, rgba(47,188,176,.15), transparent 25rem), linear-gradient(145deg, #07151e, #071019); }
.auth-grid { position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(rgba(88,150,160,.13) 1px, transparent 1px), linear-gradient(90deg, rgba(88,150,160,.13) 1px, transparent 1px); background-size: 52px 52px; mask-image: linear-gradient(to bottom right, black, transparent 78%); }
.brand-lockup { position: relative; z-index: 2; }
.auth-message { position: relative; z-index: 2; max-width: 650px; margin-top: auto; }
.auth-message h1 { margin: 15px 0; max-width: 620px; font-size: clamp(43px, 5vw, 76px); line-height: .98; letter-spacing: -.055em; }
.auth-message p { max-width: 600px; color: #86a0ad; font-size: 14px; line-height: 1.7; }
.auth-features { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 25px; color: #8da4af; font-size: 10px; }
.auth-features span { display: flex; align-items: center; gap: 7px; }
.auth-features i { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 9px rgba(66,232,196,.5); }
.auth-orbit { position: absolute; border: 1px solid rgba(66,232,196,.12); border-radius: 50%; }
.orbit-one { width: 480px; height: 480px; right: -210px; top: 10%; }
.orbit-two { width: 330px; height: 330px; right: -135px; top: 21%; border-style: dashed; animation: spin 25s linear infinite; }
.auth-panel { display: grid; place-items: center; padding: 38px; background: #09131c; border-left: 1px solid var(--line); }
.auth-card { width: min(100%, 410px); }
.auth-card-heading { margin-bottom: 25px; }
.secure-badge { display: inline-block; margin-bottom: 12px; padding: 6px 9px; border: 1px solid rgba(66,232,196,.2); border-radius: 7px; color: var(--teal); background: rgba(66,232,196,.05); font-size: 8px; font-weight: 900; letter-spacing: .14em; }
.auth-card h2 { margin: 0 0 7px; font-size: 31px; letter-spacing: -.04em; }
.auth-card-heading p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.5; }
.field-label { display: block; margin: 14px 0 7px; color: #9fb1ba; font-size: 10px; font-weight: 700; }
.field-label em { float: right; color: #536d7b; font-size: 8px; font-style: normal; }
.input-shell { display: flex; align-items: center; min-height: 48px; border: 1px solid var(--line); border-radius: 10px; background: rgba(3,10,15,.5); }
.input-shell:focus-within { border-color: rgba(66,232,196,.42); box-shadow: 0 0 0 3px rgba(66,232,196,.05); }
.input-icon { flex: 0 0 42px; color: #55707e; text-align: center; font: 700 11px ui-monospace, monospace; }
.input-shell input { flex: 1; min-width: 0; height: 46px; padding: 0 12px 0 0; border: 0; outline: 0; color: var(--text); background: transparent; }
.code-input-shell input { padding: 0 15px; text-align: center; font-size: 23px; letter-spacing: .35em; }
.auth-button { width: 100%; margin-top: 22px; }
.auth-footnote { margin-top: 16px; color: #526b78; text-align: center; font-size: 8px; line-height: 1.5; }
.validation-summary { color: #ff98a6; font-size: 10px; line-height: 1.5; }
.validation-summary ul { margin: 0 0 12px; padding: 10px 10px 10px 27px; border: 1px solid rgba(255,113,132,.2); border-radius: 8px; background: rgba(255,113,132,.05); }
.field-error { color: #ff91a0; font-size: 8px; }
.quiet-link { display: block; margin-top: 18px; color: var(--muted); text-align: center; text-decoration: none; font-size: 9px; }
.quiet-link:hover { color: var(--teal); }

@media (max-width: 1150px) {
    .app-shell { grid-template-columns: 80px minmax(0, 1fr); }
    .sidebar { width: 80px; padding: 22px 12px; }
    .sidebar-brand div, .nav-item:not(.active)::after, .nav-item { font-size: 0; }
    .sidebar-brand { justify-content: center; padding: 0 0 22px; }
    .nav-item { justify-content: center; padding: 13px; }
    .nav-item span { font-size: 9px; }
    .sidebar-safety div:not(.safety-lock) { display: none; }
    .sidebar-safety { justify-content: center; padding: 9px; }
    .main-workspace { grid-column: 2; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .two-column-grid { grid-template-columns: 1fr; }
    .workflow-pipeline { overflow-x: auto; grid-template-columns: repeat(5, 120px 20px) 120px; padding-bottom: 6px; }
    .command-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 780px) {
    .app-shell { display: block; }
    .sidebar { display: none; }
    .main-workspace { display: block; }
    .topbar { padding: 14px 17px; }
    .topbar h1 { font-size: 18px; }
    .user-chip, .breadcrumb { display: none; }
    .workspace-content { padding: 15px; }
    .hero-status { align-items: flex-start; padding: 24px; }
    .energy-orb { display: none; }
    .kpi-grid { grid-template-columns: 1fr 1fr; }
    .form-row, .mapping-form { grid-template-columns: 1fr; }
    .command-cards { grid-template-columns: 1fr; }
    .mapping-output { grid-template-columns: 1fr 1fr; }
    .auth-shell { grid-template-columns: 1fr; }
    .auth-visual { min-height: 330px; padding: 28px; }
    .auth-message h1 { font-size: 44px; }
    .auth-panel { padding: 34px 24px 50px; }
}
/* BMSSMART OPTIMIZER PROFESSIONAL READABILITY V2 */

/* Readable enterprise baseline for desktop engineering workstations. */
body {
    font-size: 16px;
    line-height: 1.5;
}

.app-shell {
    grid-template-columns: 270px minmax(0, 1fr);
}

.sidebar {
    width: 270px;
    padding: 28px 20px;
}

.main-workspace {
    grid-column: 2;
}

.sidebar-brand strong,
.brand-lockup strong {
    font-size: 19px;
}

.sidebar-brand small,
.brand-lockup small {
    font-size: 11px;
}

.sidebar-nav {
    gap: 9px;
}

.nav-item {
    gap: 14px;
    min-height: 48px;
    padding: 13px 15px;
    font-size: 15px;
}

.nav-item span {
    font-size: 11px;
}

.sidebar-safety {
    padding: 15px;
}

.sidebar-safety strong {
    font-size: 13px;
}

.sidebar-safety small {
    font-size: 11px;
    line-height: 1.4;
}

.safety-lock {
    width: 46px;
    height: 34px;
    flex: 0 0 46px;
    border-radius: 9px;
    font-size: 9px;
    font-weight: 900;
    letter-spacing: .06em;
}

.topbar {
    min-height: 96px;
    padding: 19px 36px;
}

.breadcrumb,
.eyebrow,
.section-index {
    font-size: 11px;
    letter-spacing: .16em;
}

.topbar h1 {
    font-size: 27px;
}

.connection-pill,
.status-pill,
.simulation-chip,
.deterministic-chip,
.no-write-chip,
.count-chip {
    padding: 8px 12px;
    font-size: 11px;
}

.user-chip {
    padding: 7px 12px 7px 8px;
}

.avatar {
    width: 36px;
    height: 36px;
}

.user-chip strong {
    font-size: 13px;
}

.user-chip small {
    font-size: 11px;
}

.icon-button {
    width: 44px;
    height: 44px;
    font-size: 17px;
}

.signout-button {
    min-height: 44px;
    padding: 0 15px;
    border: 1px solid var(--line);
    border-radius: 10px;
    color: #a9bdc8;
    background: rgba(255, 255, 255, .025);
    font-size: 13px;
    font-weight: 700;
}

.signout-button:hover {
    color: var(--text);
    border-color: var(--line-bright);
}

.workspace-content {
    max-width: 1800px;
    gap: 22px;
    padding: 30px 36px 64px;
}

.panel {
    padding: 26px;
}

.hero-status {
    min-height: 250px;
    padding: 38px 46px;
}

.hero-copy p {
    font-size: 16px;
}

.hero-badges span {
    padding: 8px 12px;
    font-size: 11px;
}

.orb-core small {
    font-size: 9px;
}

.kpi-grid {
    gap: 18px;
}

.kpi-card {
    min-height: 148px;
    padding: 24px;
}

.kpi-card span {
    font-size: 11px;
}

.kpi-card strong {
    margin: 14px 0 7px;
    font-size: 32px;
}

.kpi-card small {
    font-size: 12px;
}

.two-column-grid {
    gap: 22px;
}

.panel-heading h3 {
    font-size: 21px;
}

.text-button {
    padding: 9px 13px;
    font-size: 11px;
}

.control-form,
.mapping-form {
    gap: 17px;
}

.control-form label,
.mapping-form label {
    gap: 8px;
    font-size: 13px;
}

.control-form input,
.control-form select,
.mapping-form input,
.mapping-form select {
    min-height: 50px;
    padding: 0 15px;
    font-size: 14px;
}

.switch-row {
    min-height: 64px;
    padding: 15px 16px;
}

.switch-row strong {
    font-size: 14px;
}

.switch-row small {
    font-size: 12px;
}

.warning-strip {
    font-size: 13px;
}

.primary-button,
.secondary-button {
    min-height: 52px;
    font-size: 15px;
}

.event-timeline {
    height: 360px;
}

.empty-state strong {
    font-size: 14px;
}

.empty-state small {
    font-size: 12px;
}

.event-item {
    padding: 0 0 19px 25px;
}

.event-item strong {
    font-size: 13px;
}

.event-item p {
    font-size: 12px;
    line-height: 1.55;
}

.event-item time {
    font-size: 11px;
}

.workflow-step {
    min-height: 112px;
}

.workflow-step span {
    font-size: 11px;
}

.workflow-step strong {
    font-size: 14px;
}

.workflow-step small {
    font-size: 11px;
}

.rule-item {
    padding: 14px;
}

.rule-item strong {
    font-size: 13px;
}

.rule-item p {
    font-size: 12px;
}

.rule-value {
    font-size: 11px;
}

.explanation-content h4 {
    font-size: 21px;
}

.explanation-content p {
    font-size: 14px;
}

.explanation-callout strong {
    font-size: 11px;
}

.explanation-callout span {
    font-size: 13px;
}

th {
    padding: 13px 12px;
    font-size: 11px;
}

td {
    padding: 14px 12px;
    font-size: 12px;
}

.table-status {
    padding: 5px 9px;
    font-size: 10px;
}

.command-card {
    padding: 17px;
}

.command-card-head strong {
    font-size: 14px;
}

.command-card-head span {
    font-size: 11px;
}

.command-value {
    font-size: 30px;
}

.command-card p {
    font-size: 12px;
}

.command-meta {
    font-size: 11px;
}

.mapping-result {
    padding: 17px;
    font-size: 13px;
}

.mapping-output small {
    font-size: 10px;
}

.mapping-output strong {
    font-size: 12px;
}

.toast {
    font-size: 13px;
}

.auth-card-heading p,
.field-label,
.validation-summary {
    font-size: 13px;
}

.field-label em,
.auth-footnote,
.field-error,
.quiet-link {
    font-size: 11px;
}

.input-shell input {
    font-size: 14px;
}

@media (max-width: 1150px) {
    .app-shell {
        grid-template-columns: 92px minmax(0, 1fr);
    }

    .sidebar {
        width: 92px;
    }

    .main-workspace {
        grid-column: 2;
    }

    .sidebar-brand div,
    .nav-item:not(.active)::after,
    .nav-item {
        font-size: 0;
    }

    .nav-item span {
        font-size: 11px;
    }

    .sidebar-safety div:not(.safety-lock) {
        display: none;
    }
}

@media (max-width: 780px) {
    .app-shell {
        display: block;
    }

    .workspace-content {
        padding: 18px;
    }
}