:root {
    --dk-brand: #0096c7;
    --dk-brand-dark: #0077a7;
    --dk-bg: #f3f4f6;
    --dk-text: #0f172a;
    --dk-muted: #6b7280;
    --dk-border: #e5e7eb;
}

.page-shell {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 32px 16px;
}

.not-found-box {
    border: 1px solid var(--dk-border);
    border-radius: 18px;
    padding: 32px 32px 28px;
    max-width: 520px;
    width: 100%;
    background: #fff;
    box-shadow:
        0 18px 40px rgba(15, 23, 42, 0.06),
        0 0 0 1px rgba(148, 163, 184, 0.15);
    text-align: center;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(0, 150, 199, 0.06);
    color: var(--dk-muted);
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 16px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--dk-brand);
}

.icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: 999px;
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.9), transparent 55%),
        rgba(0, 150, 199, 0.08);
    color: var(--dk-brand);
}

.icon-wrap svg {
    width: 30px;
    height: 30px;
}

.not-found-box h1 {
    margin: 0 0 8px;
    font-size: 24px;
    font-weight: 600;
    color: var(--dk-text);
}

.not-found-box p {
    color: var(--dk-muted);
    font-size: 14px;
    margin: 0 0 22px;
    line-height: 1.5;
}

.hint-text {
    font-size: 12px;
    color: #9ca3af;
    margin-bottom: 22px;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.btn-primary,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-decoration: none;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    padding: 10px 20px;
    transition:
        background 0.18s ease,
        color 0.18s ease,
        box-shadow 0.18s ease,
        transform 0.1s ease;
    cursor: pointer;
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--dk-brand);
    color: #fff;
    box-shadow: 0 10px 20px rgba(0, 150, 199, 0.35);
}

.btn-primary:hover {
    background: var(--dk-brand-dark);
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(0, 119, 167, 0.4);
}

.btn-ghost {
    background: transparent;
    color: var(--dk-muted);
    border: 1px solid rgba(148, 163, 184, 0.6);
}

.btn-ghost:hover {
    background: rgba(148, 163, 184, 0.06);
    border-color: rgba(148, 163, 184, 0.9);
    transform: translateY(-1px);
}

.btn-primary svg,
.btn-ghost svg {
    width: 16px;
    height: 16px;
}

@media (max-width: 480px) {
    .not-found-box {
        padding: 24px 18px 20px;
        border-radius: 14px;
    }

    .not-found-box h1 {
        font-size: 20px;
    }

    .icon-wrap {
        width: 48px;
        height: 48px;
        margin-bottom: 14px;
    }

    .icon-wrap svg {
        width: 26px;
        height: 26px;
    }

    .actions {
        flex-direction: column;
    }

    .btn-primary,
    .btn-ghost {
        width: 100%;
    }
}