/* =========================
   RESET
========================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* =========================
   FULL SCREEN BACKGROUND
========================= */
html, body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Poppins', sans-serif;

    display: grid;
    place-items: center;

    min-height: 100vh;

    /* 🔥 PREMIUM GRADIENT */
    background: linear-gradient(-45deg, #ff6b6b, #ff8c42, #ff3c00, #ffb347);
    background-size: 400% 400%;
    animation: gradientBG 8s ease infinite;

    position: relative;
}

/* 🌟 GLOW BACKGROUND EFFECT */
body::before {
    content: "";
    position: absolute;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.15);
    filter: blur(120px);
    border-radius: 50%;
    top: 10%;
    left: 20%;
    z-index: 0;
}

/* ANIMATION */
@keyframes gradientBG {
    0% {background-position: 0% 50%;}
    50% {background-position: 100% 50%;}
    100% {background-position: 0% 50%;}
}

/* =========================
   WRAPPER
========================= */
.login-wrapper {
    width: 100%;
    min-height: 100vh;

    display: grid;
    place-items: center;
    position: relative;
    z-index: 1;
}

/* =========================
   CARD (GLASS PREMIUM)
========================= */
.login-card {
    width: 100%;
    max-width: 380px;

    padding: 30px;
    border-radius: 20px;

    backdrop-filter: blur(25px);
    background: rgba(255,255,255,0.12);

    border: 1px solid rgba(255,255,255,0.2);

    box-shadow: 0 15px 50px rgba(0,0,0,0.3);

    text-align: center;
    color: #fff;

    animation: fadeIn 0.6s ease;
}

/* CARD ANIMATION */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* =========================
   TEXT
========================= */
.login-title {
    font-size: 26px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.login-sub {
    font-size: 13px;
    margin-bottom: 22px;
    opacity: 0.9;
}

/* =========================
   INPUT GROUP
========================= */
.input-group {
    position: relative;
    margin-bottom: 22px;
}

/* INPUT */
.input-field {
    width: 100%;
    padding: 14px;
    border-radius: 12px;

    border: 1px solid rgba(255,255,255,0.2);

    background: rgba(255,255,255,0.15);
    color: #fff;

    transition: 0.3s;
}

/* INPUT FOCUS */
.input-field:focus {
    background: rgba(255,255,255,0.25);
    border-color: #fff;
    box-shadow: 0 0 15px rgba(255,255,255,0.5);
}

/* FLOAT LABEL */
.input-group label {
    position: absolute;
    left: 14px;
    top: 14px;

    font-size: 13px;
    color: #eee;

    transition: 0.3s;
}

.input-field:focus + label,
.input-field:not(:placeholder-shown) + label {
    top: -8px;
    font-size: 10px;

    background: #ff6b6b;
    padding: 2px 6px;
    border-radius: 6px;
}

/* =========================
   PASSWORD ICON
========================= */
.toggle-password {
    position: absolute;
    right: 12px;
    top: 14px;
    cursor: pointer;
    opacity: 0.8;
}

.toggle-password:hover {
    opacity: 1;
}

/* =========================
   BUTTON (PREMIUM)
========================= */
.btn-login-full {
    width: 100%;
    padding: 14px;

    border-radius: 30px;
    border: none;

    background: linear-gradient(45deg, #ffffff, #ffe5d0);
    color: #ff3c00;

    font-weight: bold;
    cursor: pointer;

    transition: 0.3s;
}

.btn-login-full:hover {
    background: linear-gradient(45deg, #ff3c00, #ff8c42);
    color: #fff;

    transform: scale(1.06);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

/* =========================
   ERROR
========================= */
.error-text {
    display: block;
    margin-top: 5px;

    font-size: 12px;
    color: #ffdede;

    text-align: left;
}

/* =========================
   LINKS
========================= */
.extra-links {
    margin-top: 12px;
}

.extra-links a {
    color: #fff;
    font-size: 13px;
    text-decoration: underline;
    opacity: 0.9;
}

.extra-links a:hover {
    opacity: 1;
}

.signup-link {
    color: #fff;
    font-weight: 600;
    margin-left: 5px;
    transition: 0.3s;
}

.signup-link:hover {
    color: #ffd1b3;
    text-decoration: underline;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 480px) {
    .login-card {
        margin: 20px;
        padding: 25px;
    }
}