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

/* ================= BODY ================= */
body {
    font-family: "Segoe UI", Arial, sans-serif;
    background: #eef2f6;
    min-height: 100vh;

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

    padding: 15px;
}

/* ================= LOGIN CARD ================= */
.login-container {
    background: #ffffff;
    width: 100%;
    max-width: 420px;
    padding: 28px;

    border-radius: 14px;
    text-align: center;

    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

/* ================= MAIN HEADING ================= */
.title {
    color: #007bff;
    font-size: 20px;
    font-weight: 700;

    white-space: nowrap;
    /* keep single line */
    overflow: hidden;
    text-overflow: ellipsis;

    margin-bottom: 6px;
}

/* ================= SUB HEADING ================= */
.sub-title {
    font-size: 14px;
    font-weight: 600;
    color: #444;

    white-space: nowrap;
    /* keep single line */
    overflow: hidden;
    text-overflow: ellipsis;

    margin-bottom: 14px;
}

/* ================= LOGIN TEXT ================= */
.subtitle {
    font-size: 14px;
    color: #555;
    margin-bottom: 22px;
    letter-spacing: 1px;
}

/* ================= FLASH MESSAGE ================= */
.flash {
    color: #d9534f;
    font-size: 14px;
    margin-bottom: 12px;
}

/* ================= INPUTS ================= */
input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 16px;

    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 15px;

    outline: none;
}

input:focus {
    border-color: #007bff;
}

/* ================= BUTTON ================= */
button {
    width: 100%;
    padding: 12px;

    background: #007bff;
    color: #ffffff;

    border: none;
    border-radius: 8px;

    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

/* ================= MOBILE DEVICES ================= */
@media (max-width: 480px) {

    .login-container {
        padding: 22px;
    }

    .title {
        font-size: 17px;
    }

    .sub-title {
        font-size: 13px;
    }

    .subtitle {
        font-size: 13px;
    }

    input {
        font-size: 14px;
    }

    button {
        font-size: 15px;
    }
}

/* ================= TABLETS ================= */
@media (min-width: 481px) and (max-width: 768px) {

    .title {
        font-size: 19px;
    }

    .sub-title {
        font-size: 14px;
    }
}

/* ================= LARGE SCREENS ================= */
@media (min-width: 1200px) {

    .login-container {
        max-width: 460px;
    }

    .title {
        font-size: 22px;
    }

    .sub-title {
        font-size: 15px;
    }
}