* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, sans-serif;
}

body {
    min-height: 100vh;
    background: radial-gradient(circle at top, #1f1b4d, #05070f 70%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

/* TOP LEFT BRAND */
.brand {
    position: absolute;
    top: 30px;
    left: 40px;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 1px;
}

.brand span {
    color: #7c3aed;
}

/* LOGIN CARD */
.auth-box {
    width: 860px;
    height: 420px;
    background: rgba(20, 24, 45, 0.85);
    border-radius: 24px;
    display: flex;
    box-shadow: 0 40px 80px rgba(0,0,0,0.6);
    overflow: hidden;
    animation: fadeIn 0.8s ease;
}

/* LEFT */
.auth-left {
    flex: 1;
    padding: 50px;
}

.auth-left h1 {
    font-size: 28px;
    margin-bottom: 8px;
}

.auth-left p {
    font-size: 14px;
    color: #a5b4fc;
    margin-bottom: 30px;
}

/* INPUTS */
.auth-left input {
    width: 100%;
    padding: 14px 16px;
    margin-bottom: 16px;
    border-radius: 12px;
    border: none;
    background: #0f1223;
    color: #fff;
    font-size: 14px;
}

.auth-left input::placeholder {
    color: #6b7280;
}

.auth-left button {
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(135deg, #7c3aed, #5b21b6);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.25s;
}

.auth-left button:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(124,58,237,0.5);
}

/* RIGHT */
.auth-right {
    width: 320px;
    background: linear-gradient(160deg, #7c3aed, #4f46e5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-right img {
    width: 180px;
    opacity: 0.9;
}

/* ERROR */
.error {
    background: rgba(239,68,68,0.15);
    color: #f87171;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 13px;
}

/* ANIMATION */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}