body {
    margin: 0;
    min-height: 100vh;

    display: flex;
    flex-direction: column;
    align-items: center;

    font-family: Inter, system-ui, sans-serif;

    background:
        radial-gradient(circle at top, rgba(255,40,40,.12), transparent 40%),
        radial-gradient(circle at bottom, rgba(180,20,20,.08), transparent 45%),
        #080808;

    color: #fff;
}

/* Logo */

.site-title {
    margin: 50px 0 25px;
}

.site-logo {
    height: 85px;
    transition: .25s;
    filter: drop-shadow(0 0 15px rgba(255,40,40,.35));
}

.site-logo:hover {
    transform: scale(1.03);
}

/* Layout */

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    flex: 1;
    padding: 20px;
}

/* Card */

.login-box {
    width: 420px;
    max-width: 100%;
    padding: 48px;

    background: rgba(18,18,18,.82);
    backdrop-filter: blur(18px);

    border: 1px solid rgba(255,70,70,.18);
    border-radius: 18px;

    box-shadow:
        0 0 35px rgba(255,40,40,.12),
        0 20px 50px rgba(0,0,0,.65);

    text-align: center;
}

/* Heading */

.login-box h2 {
    margin: 0;
    font-size: 32px;
    font-weight: 700;
    color: white;
}

.subtitle {
    margin-top: 8px;
    margin-bottom: 34px;
    color: #9c9c9c;
    font-size: 15px;
}

/* Inputs */

input {
    width: 100%;
    box-sizing: border-box;

    padding: 15px 18px;
    margin-bottom: 18px;

    border-radius: 10px;
    border: 1px solid #2a2a2a;

    background: rgba(12,12,12,.9);

    color: white;
    font-size: 15px;

    transition: .25s;
}

input::placeholder {
    color: #777;
}

input:focus {
    outline: none;

    border-color: #ff4747;

    box-shadow:
        0 0 0 3px rgba(255,70,70,.12),
        0 0 18px rgba(255,70,70,.18);

    background: #111;
}

/* Button */

button {
    width: 100%;
    padding: 15px;

    border: none;
    border-radius: 10px;

    background: linear-gradient(180deg,#ff5b5b,#d72c2c);

    color: white;
    font-size: 15px;
    font-weight: 600;

    cursor: pointer;

    transition: .25s;

    box-shadow:
        0 0 25px rgba(255,60,60,.35);
}

button:hover {
    transform: translateY(-2px);

    box-shadow:
        0 0 35px rgba(255,60,60,.55);
}

button:active {
    transform: scale(.98);
}

/* Error */

.error {
    margin-bottom: 20px;
    padding: 12px;

    border-radius: 8px;

    background: rgba(255,70,70,.08);
    border: 1px solid rgba(255,70,70,.25);

    color: #ff7d7d;

    font-size: 14px;
}