:root {
    color-scheme: dark;
    color: #f4f7fb;
    background: #0f172a;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    min-height: 100%;
    background: linear-gradient(180deg, #0b1121 0%, #111827 100%);
}

body {
    color: #e2e8f0;
    line-height: 1.6;
}

.page-shell {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.hero-card {
    max-width: 880px;
    width: 100%;
    padding: 2.5rem;
    border-radius: 28px;
    background: rgba(15, 23, 42, 0.88);
    box-shadow: 0 30px 90px rgba(15, 23, 42, 0.35);
    border: 1px solid rgba(148, 163, 184, 0.12);
    backdrop-filter: blur(18px);
}

.hero-intro {
    margin-bottom: 2rem;
}

.eyebrow {
    margin: 0 0 1rem 0;
    color: #60a5fa;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero-intro h1 {
    margin: 0;
    font-size: clamp(2.3rem, 4vw, 3.4rem);
    line-height: 1.02;
    letter-spacing: -0.05em;
}

.hero-text {
    margin: 1.2rem 0 0;
    max-width: 720px;
    color: #cbd5e1;
    font-size: 1.05rem;
}

.status-card {
    padding: 1.75rem;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.95));
    border: 1px solid rgba(148, 163, 184, 0.14);
}

.status-card h2 {
    margin-top: 0;
    font-size: 1.35rem;
}

.loading,
.message,
.error {
    margin: 1rem 0 0;
    padding: 1rem 1.1rem;
    border-radius: 18px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(148, 163, 184, 0.12);
    font-size: 1rem;
}

.loading {
    color: #93c5fd;
}

.message {
    color: #d1fae5;
}

.error {
    color: #fecaca;
    border-color: rgba(248, 113, 113, 0.3);
}

@media (max-width: 720px) {
    .hero-card {
        padding: 1.7rem;
    }
    .status-card {
        padding: 1.3rem;
    }
}