/* PAGE BACKGROUND */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #7a0000, #d00000);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* MAIN CONTAINER */
.auth-container {
    width: 100%;
    max-width: 550px;
    padding: 20px;
}

/* CARD */
.auth-card {
    background: rgba(255, 255, 255, 0.08);
    padding: 40px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    color: white;
    position: relative;
    box-shadow: 0 15px 40px rgba(0,0,0,0.25);
}

/* LOGO + BACK HOME */
.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.auth-logo {
    width: 150px;
    height: auto;
}

.back-home {
    color: #ffecec;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}
.back-home:hover {
    color: white;
    transform: translateX(-5px);
}

/* TABS */
.auth-tabs {
    display: flex;
    justify-content: center;
    margin: 25px 0;
    align-items: center;
}

.auth-tab {
    background: none;
    border: none;
    font-size: 18px;
    font-weight: bold;
    color: #fff5f5;
    cursor: pointer;
    padding-bottom: 5px;
}

.auth-tab.active {
    border-bottom: 3px solid #fff;
}

.divider {
    width: 1px;
    height: 25px;
    background: white;
    margin: 0 20px;
}

/* FORMS */
.auth-form {
    display: none;
    animation: fade 0.4s ease;
}
.auth-form.active {
    display: block;
}

@keyframes fade {
    from { opacity: 0; transform: scale(0.97); }
    to { opacity: 1; transform: scale(1); }
}

h2 {
    text-align: center;
    font-size: 26px;
    margin-bottom: 25px;
}

/* INPUT GROUP */
.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-group input {
    width: 88%;
    padding: 14px 45px 14px 14px;
    border: none;
    border-radius: 12px;
    background: rgba(255,255,255,0.9);
    font-size: 16px;
}

.input-group i {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #444;
}

/* FORGOT */
.forgot {
    text-align: right;
    margin: 5px 0 15px;
    cursor: pointer;
    font-size: 14px;
}
.forgot:hover {
    text-decoration: underline;
}

/* BUTTON */
.auth-btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    background: black;
    color: white;
    transition: 0.3s;
}

.auth-btn:hover {
    background: #882727;
}

/* FORGET FORM */
.forget-form {
    display: none;
}

.back {
    text-align: center;
    margin-top: 15px;
    cursor: pointer;
}
.back:hover {
    text-decoration: underline;
}


@media (max-width: 480px) {
    .top-header {
        gap: 10px;
    }

    .auth-logo {
        width: 120px;
    }

    .back-home {
        font-size: 12px;
    }
}

/* ================================
   MOBILE RESPONSIVE (MAX 600px)
   ================================ */
@media (max-width: 600px) {

    .auth-container {
        max-width: 100%;
        padding: 10px;
    }

    .auth-card {
        padding: 25px;
        border-radius: 16px;
    }

    /* LOGO */
    .auth-logo {
        width: 120px;
    }

    /* BACK TO HOME */
    .back-home {
        font-size: 14px;
    }

    /* TABS */
    .auth-tabs {
        margin: 20px 0;
    }

    .auth-tab {
        font-size: 16px;
    }

    .divider {
        height: 20px;
        margin: 0 12px;
    }

    /* INPUT */
    .input-group input {
        width: 85%;
        padding: 12px 40px 12px 12px;
        font-size: 15px;
    }

    .input-group i {
        right: 10px;
        font-size: 16px;
    }

    /* TITLES */
    h2 {
        font-size: 22px;
        margin-bottom: 20px;
    }

    /* BUTTON */
    .auth-btn {
        font-size: 16px;
        padding: 12px;
    }

    /* SPACING FIX */
    .forgot {
        font-size: 13px;
    }

    .back {
        font-size: 14px;
    }
}


@media (max-width: 350px) {
    .input-group input {
        width: 80%;
        padding: 10px 38px 10px 10px;
        font-size: 14px;
    }

    .input-group i {
        right: 8px;
        font-size: 15px;
    }
}