:root {
    --bg: #eef4f8;
    --panel: #ffffff;
    --ink: #172233;
    --muted: #64748b;
    --line: #d7e0e8;
    --primary: #1557b0;
    --primary-dark: #0f3f82;
    --soft-primary: #e8f1ff;
    --success: #0f7a45;
    --warning: #ad5d00;
    --danger: #b42318;
    --shadow: 0 18px 40px rgba(15, 31, 51, .10);
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: radial-gradient(circle at top left, #ffffff 0, var(--bg) 45%, #dde9f2 100%);
    color: var(--ink);
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 18px clamp(16px, 4vw, 48px);
    background: rgba(255,255,255,.86);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 10;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--ink);
    font-weight: 800;
    letter-spacing: -.02em;
    text-decoration: none;
}
.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), #4e8ee8);
    font-size: 14px;
}
.version-pill, .status-pill, .user-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    padding: 7px 12px;
    font-size: 13px;
    font-weight: 700;
}
.version-pill { margin-top: 6px; background: #fff2dc; color: var(--warning); }
.status-pill { background: #e7f8ef; color: var(--success); }
.user-chip { background: var(--soft-primary); color: var(--primary-dark); }
.topnav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
.page {
    width: min(1160px, calc(100% - 32px));
    margin: 36px auto;
}
.eyebrow {
    margin: 0 0 10px;
    color: var(--primary);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-size: 12px;
}
.hero-card, .dashboard-head, .panel, .form-panel, .card {
    background: rgba(255,255,255,.95);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
}
.hero-card {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 28px;
    padding: clamp(22px, 4vw, 44px);
}
.hero-copy h1, .dashboard-head h1 {
    margin: 0;
    font-size: clamp(34px, 6vw, 58px);
    line-height: 1;
    letter-spacing: -.05em;
}
.hero-copy p, .dashboard-head p, .card p, .panel p {
    color: var(--muted);
    line-height: 1.6;
}
.test-banner {
    display: inline-block;
    padding: 8px 12px;
    border-radius: 10px;
    background: #fff5e6;
    color: var(--warning);
    font-weight: 900;
    letter-spacing: .05em;
    font-size: 12px;
    margin-bottom: 18px;
}
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 26px;
}
.feature-grid div {
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fbfdff;
}
.feature-grid span { display: block; color: var(--muted); font-size: 14px; margin-top: 6px; }
.login-card {
    background: var(--panel);
    border-radius: 20px;
    padding: 24px;
    border: 1px solid var(--line);
    align-self: start;
}
.login-card h2 { margin-top: 0; font-size: 28px; }
label { display: block; font-weight: 750; margin: 14px 0; }
input, select, textarea {
    width: 100%;
    margin-top: 7px;
    padding: 13px 14px;
    border: 1px solid #b9c7d6;
    border-radius: 12px;
    font: inherit;
    background: #fff;
}
input[readonly] { background: #f4f7fa; color: #48566a; }
.primary-btn, .secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border-radius: 12px;
    padding: 12px 18px;
    font-weight: 900;
    border: 0;
    cursor: pointer;
    text-decoration: none;
}
.primary-btn { color: #fff; background: var(--primary); }
.primary-btn:hover { background: var(--primary-dark); text-decoration: none; }
.secondary-btn { color: var(--primary-dark); background: var(--soft-primary); border: 1px solid #bad3f7; }
button:disabled, .secondary-btn:disabled { opacity: .6; cursor: not-allowed; }
.notice, .error {
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 14px;
    font-weight: 750;
}
.notice { background: #e7f8ef; color: var(--success); }
.error { background: #fff0ed; color: var(--danger); }
.demo-logins {
    margin-top: 18px;
    border-top: 1px solid var(--line);
    padding-top: 14px;
    color: var(--muted);
    font-size: 14px;
}
.demo-logins summary { color: var(--ink); cursor: pointer; font-weight: 800; }
.dashboard-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    padding: clamp(22px, 4vw, 36px);
    margin-bottom: 22px;
}
.cards { display: grid; gap: 20px; margin-bottom: 22px; }
.cards.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { padding: 24px; }
.card h2, .panel h2 { margin-top: 0; }
.accent-card { border-color: #9ac0f3; background: linear-gradient(180deg, #fff, #f3f8ff); }
.metric { margin-top: 14px; font-weight: 900; color: var(--primary); font-size: 20px; }
.panel { padding: 24px; margin-bottom: 22px; }
.checklist { margin: 0; padding-left: 20px; color: var(--muted); line-height: 1.8; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #f2f6fa; font-size: 13px; text-transform: uppercase; color: #435167; letter-spacing: .05em; }
tr:last-child td { border-bottom: 0; }
.form-panel { padding: 24px; }
fieldset {
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
    margin: 0 0 18px;
    background: #fbfdff;
}
legend { font-weight: 900; padding: 0 8px; }
.form-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px 16px; }
.inline-note { color: var(--muted); margin-top: 10px; font-size: 14px; }
.signature-box {
    min-height: 140px;
    border: 2px dashed #b9c7d6;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    background: #fff;
}
.footer {
    width: min(1160px, calc(100% - 32px));
    margin: 0 auto 28px;
    color: var(--muted);
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
}
@media (max-width: 850px) {
    .topbar, .dashboard-head { flex-direction: column; align-items: stretch; }
    .hero-card, .cards.two, .cards.three, .feature-grid, .form-grid { grid-template-columns: 1fr; }
    .topnav { justify-content: flex-start; }
}