* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: #000;
    color: #fff;
}

/* =========================AUTH SECTION========================= */
.auth {
    min-height: 100vh;
    background: radial-gradient(circle at top, #0f5132, #000);
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-card {
    background: #0b2e1e;
    padding: 50px;
    width: 420px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 0 40px rgba(25, 135, 84, 0.35);
    animation: fadeUp 0.8s ease;
}

.auth-card h2 {
    color: #9ef01a;
    font-size: 32px;
    margin-bottom: 10px;
}

.auth-card p {
    color: #cfe8d8;
    margin-bottom: 35px;
}

/* =========================INPUTS========================= */
.input-box {
    position: relative;
    margin-bottom: 30px;
}

.input-box input {
    width: 100%;
    padding: 12px 10px;
    background: transparent;
    border: none;
    border-bottom: 2px solid #198754;
    color: #fff;
    font-size: 16px;
    outline: none;
}

.input-box label {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #a8d5be;
    pointer-events: none;
    transition: 0.3s;
}

.input-box input:focus + label,
.input-box input:valid + label {
    top: -8px;
    font-size: 12px;
    color: #9ef01a;
}

/* =========================BUTTONS========================= */
.auth-card .btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #198754, #0f5132);
    border: none;
    border-radius: 30px;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    letter-spacing: 1px;
    transition: 0.4s ease;
    position: relative;
    overflow: hidden;
}

.auth-card .btn:hover {
    background: linear-gradient(135deg, #9ef01a, #198754);
    box-shadow: 0 0 25px rgba(158, 240, 26, 0.5),
                0 0 50px rgba(25, 135, 84, 0.4);
    transform: translateY(-2px);
}

.auth-card .btn:active {
    transform: scale(0.97);
}

.auth-card .btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: rgba(255, 255, 255, 0.25);
    transform: skewX(-25deg);
    transition: 0.5s;
}

.auth-card .btn:hover::before {
    left: 120%;
}

/* =========================LINKS========================= */
.auth-link {
    margin-top: 25px;
    font-size: 14px;
}

.auth-link span {
    color: #cfe8d8;
}

.auth-link a {
    color: #9ef01a;
    text-decoration: none;
    margin-left: 5px;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* =========================ERRORS========================= */
.error {
    color: #ff6b6b;
    font-size: 0.9em;
    margin-top: 2px;
    min-height: 18px;
    text-align: left;
    display: block;
}

/* =========================ANIMATIONS========================= */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========================RESPONSIVE========================= */
@media (max-width: 480px) {
    .auth-card {
        width: 90%;
        padding: 40px 25px;
    }
}