/* =====================================================================
   GO BTM — LOGIN
   Dimuat setelah global.css (variabel warna dari sana).
   Urutan bagian: 3. Tata letak  4. Komponen halaman  6. Responsif
   ===================================================================== */

/* =========================
   3. TATA LETAK
========================= */
body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background:
        radial-gradient(circle at 15% 20%, rgba(59, 130, 246, .35), transparent 45%),
        radial-gradient(circle at 85% 85%, rgba(37, 99, 235, .30), transparent 40%),
        linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
}

.login-box {
    width: 360px;
    max-width: 100%;
    background: var(--permukaan);
    padding: 36px 30px 30px;
    border-radius: 20px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
    text-align: center;
    animation: muncul .5s ease;
}

/* =========================
   4. KOMPONEN HALAMAN
========================= */
.logo img {
    max-width: 84px;
    margin-bottom: 14px;
}

.login-box h1 {
    font-size: 21px;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 22px;
}

.login-box input {
    width: 100%;
    padding: 12px 14px;
    margin: 0 0 12px;
    border: 1px solid var(--garis);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 14px;
    background: var(--permukaan-2);
    transition: border-color var(--transisi), box-shadow var(--transisi), background var(--transisi);
}

.login-box input:focus {
    outline: none;
    border-color: var(--biru);
    background: var(--permukaan);
    box-shadow: var(--cincin);
}

.password-box {
    position: relative;
}

.password-box input {
    padding-right: 44px;
}

.password-box span {
    position: absolute;
    right: 14px;
    top: 12px;
    cursor: pointer;
    opacity: .6;
}

.password-box span:hover {
    opacity: 1;
}

.login-box button {
    width: 100%;
    margin-top: 6px;
    padding: 12px;
    border: none;
    border-radius: var(--radius);
    background: var(--biru);
    color: var(--putih);
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(37, 99, 235, .35);
    transition: background var(--transisi), transform var(--transisi);
}

.login-box button:hover {
    background: var(--biru-tua);
    transform: translateY(-1px);
}

.error {
    background: var(--merah-muda);
    color: var(--merah-teks);
    padding: 10px 12px;
    margin-bottom: 16px;
    border-radius: var(--radius-s);
    font-size: 13px;
}

/* =========================
   6. RESPONSIF
========================= */
@media (max-width: 480px) {
    .login-box {
        padding: 28px 20px 22px;
    }
}

.login-box .versi {
    margin: -16px 0 20px;
    font-size: 12px;
    font-weight: 600;
    color: #64748b;
}

.login-box .hak-cipta {
    margin: 20px 0 0;
    padding: 0;
    font-size: 11px;
    color: #94a3b8;
}