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

/* BODY */
body {
    font-family: Arial, sans-serif;
    min-height: 100vh;
    overflow: hidden;
    position: relative;
    background: #0f2027;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* =========================
   BACKGROUND SLIDESHOW
========================= */

.bg-slideshow {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    z-index: -2;
    overflow: hidden;
}

/* dark overlay for readability */
.bg-slideshow::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 1;
}

.bg-slide {
    position: absolute;
    inset: 0;

    width: 100%;
    height: 100%;

    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    opacity: 0;

    transition: opacity 2s ease-in-out;
}

/* active slide */
.bg-slide.active {
    opacity: 1;
    transform: scale(1);
}

/* =========================
   LOGIN WRAPPER
========================= */

.login-wrapper {
    width: 100%;
    min-height: 100vh;

    display: flex;
    justify-content: center;
    align-items: center;

    padding: 20px;
}

/* =========================
   LOGIN CARD
========================= */

.login-container {
    width: 100%;
    max-width: 420px;

    background: rgba(255, 255, 255, 0.14);

    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);

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

    border-radius: 20px;

    padding: 40px 30px;

    text-align: center;

    box-shadow:
        0 10px 40px rgba(0,0,0,0.35);

    color: white;
}

/* =========================
   LOGO
========================= */

.logo {
    width: 90px;
    max-width: 100%;
    height: auto;
    object-fit: contain;
    margin-bottom: 18px;
}

/* =========================
   TEXT
========================= */

.login-container h2 {
    font-size: 30px;
    margin-bottom: 10px;
    color: #fff;
}

.login-container p {
    color: rgba(255,255,255,0.85);
    margin-bottom: 28px;
    font-size: 15px;
    line-height: 1.5;
}

/* =========================
   INPUTS
========================= */

.login-container input {
    width: 100%;

    padding: 14px 16px;

    margin-bottom: 18px;

    border: none;
    border-radius: 10px;

    font-size: 15px;

    outline: none;

    background: rgba(255,255,255,0.95);

    transition: 0.3s;
}

.login-container input:focus {
    box-shadow: 0 0 0 3px rgba(255,255,255,0.25);
}

/* =========================
   BUTTON
========================= */

.login-container button {
    width: 100%;

    padding: 14px;

    border: none;
    border-radius: 10px;

    background: #2c5364;

    color: white;

    font-size: 16px;
    font-weight: bold;

    cursor: pointer;

    transition: 0.3s;
}

.login-container button:hover {
    background: #203a43;
    transform: translateY(-1px);
}

/* =========================
   ERROR
========================= */

.error {
    background: rgba(255, 0, 0, 0.15);

    border: 1px solid rgba(255,0,0,0.3);

    color: #fff;

    padding: 12px;

    border-radius: 10px;

    margin-bottom: 18px;

    font-size: 14px;
}

/* =========================
   FOOTER
========================= */

.footer {
    margin-top: 24px;

    font-size: 13px;

    color: rgba(255,255,255,0.75);
}

/* =========================
   TABLETS
========================= */

@media (max-width: 768px) {

    .login-container {
        max-width: 95%;
        padding: 35px 24px;
    }

    .login-container h2 {
        font-size: 26px;
    }

    .logo {
        width: 80px;
    }
}

/* =========================
   MOBILE PHONES
========================= */

@media (max-width: 480px) {

    body {
        overflow-y: auto;
    }

    .login-wrapper {
        padding: 15px;
    }

    .login-container {
        padding: 30px 20px;
        border-radius: 16px;
    }

    .login-container h2 {
        font-size: 22px;
    }

    .login-container p {
        font-size: 14px;
    }

    .login-container input {
        padding: 13px;
        font-size: 14px;
    }

    .login-container button {
        padding: 13px;
        font-size: 15px;
    }

    .logo {
        width: 70px;
    }

    .footer {
        font-size: 12px;
    }
}

/* =========================
   VERY SMALL DEVICES
========================= */

@media (max-width: 320px) {

    .login-container {
        padding: 25px 16px;
    }

    .login-container h2 {
        font-size: 20px;
    }
}