:root {
    --yellow: #f7b500;
    --orange: #f26a1b;
    --navy: #101a33;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 40px;
    color: #fff;
    font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;

    /* Oversized gradient so the animation has room to pan across it. */
    background: linear-gradient(-45deg, #101a33, #1b2a5c, #3d2b7a, #b4531a, #101a33);
    background-size: 400% 400%;
    animation: bg-pan 18s ease infinite;
}

@keyframes bg-pan {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@media (prefers-reduced-motion: reduce) {
    body {
        animation: none;
        background-position: 0% 50%;
    }
}

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

img {
    display: block;
    max-width: 100%;
}

.panel {
    width: min(980px, 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

/* ---- left: logo ---- */
.logo img {
    height: 130px;
    width: auto;
}

.logo__text {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: -.02em;
    line-height: 1;
    text-shadow: 0 2px 14px rgba(0, 0, 0, .3);
}

.logo__text .b {
    color: var(--yellow);
}

.logo__text .o {
    color: #fff;
}

.logo__text .c {
    color: var(--orange);
}

.logo__tag {
    margin-top: 8px;
    color: rgba(255, 255, 255, .72);
    font-size: 14.5px;
}

/* ---- right: admin login ---- */
.login-side {
    text-align: right;
}

.login-side__label {
    color: rgba(255, 255, 255, .72);
    font-size: 14px;
    margin-bottom: 10px;
}

.btn-admin {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 999px;
    background: var(--yellow);
    color: var(--navy);
    font-weight: 700;
    font-size: 15.5px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .28);
    transition: transform .12s, background .15s;
}

.btn-admin:hover {
    background: #e0a200;
    transform: translateY(-1px);
}

@media (max-width: 700px) {
    .panel {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .login-side {
        text-align: center;
    }
}