:root {
    --ink: #102033;
    --muted: #5d6978;
    --line: #d8e1ea;
    --paper: #f5f8fb;
    --panel: rgba(255, 255, 255, 0.92);
    --blue: #0f75bd;
    --cyan: #00a7d8;
    --gold: #ffc83d;
    --green: #13a36f;
    --shadow: 0 24px 80px rgba(16, 32, 51, 0.18);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--ink);
    background: var(--paper);
}

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

.shell {
    min-height: 100vh;
    background:
        linear-gradient(120deg, rgba(255,255,255,.9), rgba(245,248,251,.66)),
        url("/assets/alphaomega-hero.png") center / cover fixed;
}

.hero {
    min-height: 76vh;
    padding: 28px clamp(20px, 5vw, 72px) 56px;
    display: flex;
    flex-direction: column;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.logo {
    width: min(220px, 52vw);
    height: auto;
    display: block;
}

.nav-actions {
    display: flex;
    gap: 14px;
    align-items: center;
    color: var(--ink);
    font-weight: 700;
}

.hero-grid {
    flex: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(340px, .65fr);
    align-items: center;
    gap: clamp(28px, 5vw, 80px);
}

.hero-copy {
    max-width: 800px;
}

.eyebrow {
    margin: 0 0 16px;
    color: var(--blue);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-size: clamp(44px, 7vw, 92px);
    line-height: .98;
    letter-spacing: 0;
}

.lede {
    max-width: 720px;
    margin: 22px 0 0;
    color: #344154;
    font-size: clamp(18px, 2vw, 23px);
    line-height: 1.45;
}

.status-strip {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.status-strip span {
    display: inline-flex;
    min-height: 34px;
    align-items: center;
    padding: 7px 12px;
    border: 1px solid rgba(15,117,189,.28);
    background: rgba(255,255,255,.76);
    font-weight: 700;
    border-radius: 8px;
}

.login-panel,
.table-card {
    background: var(--panel);
    border: 1px solid rgba(216,225,234,.9);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.login-panel {
    padding: clamp(24px, 4vw, 36px);
}

.login-panel h2,
.table-card h2 {
    margin: 0 0 10px;
    font-size: 24px;
}

.login-panel p {
    color: var(--muted);
    line-height: 1.5;
    margin: 0 0 22px;
}

form {
    display: grid;
    gap: 12px;
}

label {
    font-weight: 800;
    font-size: 13px;
}

input {
    width: 100%;
    height: 48px;
    border-radius: 8px;
    border: 1px solid var(--line);
    padding: 0 14px;
    font-size: 16px;
}

button {
    min-height: 48px;
    border: 0;
    border-radius: 8px;
    color: #071423;
    background: linear-gradient(90deg, var(--gold), #ffe07a);
    font-weight: 900;
    cursor: pointer;
}

button.secondary {
    background: #fff;
    border: 1px solid var(--line);
    color: var(--ink);
}

.alert {
    border: 1px solid #ffd1d1;
    background: #fff0f0;
    color: #8d1f1f;
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 14px;
    line-height: 1.4;
}

.stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 20px 0;
}

.stats div,
.metric-grid article,
.product-grid article {
    border: 1px solid var(--line);
    background: rgba(255,255,255,.86);
    border-radius: 8px;
}

.stats div { padding: 14px; }
.stats strong { display: block; font-size: 26px; }
.stats span { color: var(--muted); font-size: 13px; font-weight: 700; }

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    padding: 0 clamp(20px, 5vw, 72px) 54px;
}

.product-grid article {
    min-height: 180px;
    padding: 22px;
}

.product-grid span {
    color: var(--blue);
    font-weight: 900;
}

.product-grid h3 {
    margin: 18px 0 10px;
    font-size: 22px;
}

.product-grid p {
    color: var(--muted);
    line-height: 1.5;
    margin: 0;
}

.admin-shell {
    padding: 28px clamp(20px, 5vw, 72px) 60px;
}

.admin-nav { margin-bottom: 46px; }

.admin-hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    margin-bottom: 28px;
}

.admin-hero h1 {
    font-size: clamp(38px, 5vw, 68px);
}

.admin-login {
    max-width: 520px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.metric-grid article {
    padding: 18px;
}

.metric-grid span {
    display: block;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
}

.metric-grid strong {
    display: block;
    margin-top: 10px;
    font-size: 34px;
}

.tables-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.table-card {
    padding: 20px;
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

td {
    border-top: 1px solid var(--line);
    padding: 10px 8px;
    font-size: 13px;
    color: #263449;
    word-break: break-word;
}

@media (max-width: 980px) {
    .hero-grid,
    .product-grid,
    .metric-grid,
    .tables-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
    }

    .admin-hero {
        align-items: flex-start;
        flex-direction: column;
    }
}