:root {
    --vamia-teal:        #00667F;
    --vamia-teal-dark:   #004F63;   /* napit hover */
    --vamia-teal-tint:   #E6F0F3;   /* vaalea paneelipohja */
    --vamia-coral:       #EC6880;
    --vamia-coral-dark:  #D8546C;

    --page-bg:   #F4F8F9;   /* pehmeä teal-vivahteinen valkoinen */
    --panel-bg:  #FFFFFF;
    --text:      #17323B;   /* tumma teal-slate */
    --text-muted:#5A7078;

    --ok:   #198754;        /* oikein */
    --fail: #DC3545;        /* väärin */
}

body {
    background-color: var(--page-bg);
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: var(--text);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding-top: 20px;
    font-family: 'Segoe UI', system-ui, sans-serif;
}

.container {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

.vamia-logo {
    display: block;
    width: 55%;
    max-width: 240px;
    height: auto;
    margin: 0 auto 25px auto;
}

h1, h2 {
    font-size: 2.5em;
    color: var(--vamia-teal);
    text-shadow: none;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    text-align: center;
    font-family: 'Segoe UI', system-ui, sans-serif;
    font-weight: 700;
}

h2 {
    font-size: 2.0em;
}

h3 {
    font-size: 1.5em;
    color: var(--vamia-teal);
    font-weight: 700;
}


#login-form {
    background-color: var(--panel-bg);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
    border: 1px solid #E0E8EA;
    border-top: 4px solid var(--vamia-teal);
    box-shadow: 0 6px 20px rgba(0, 102, 127, 0.12);
}

#login-form label {
    font-weight: bold;
    font-size: 1.1em;
    color: var(--text);
}

#login-form p {
    font-size: 1.1em;
    color: var(--text-muted);
}


#login-form .form-control:focus {
    border-color: var(--vamia-teal);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 127, 0.20);
}


#game-area {
    background-color: var(--vamia-teal-tint);
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    border: 1px solid #D3E2E6;
}

.question-card {
    background-color: var(--panel-bg);
    color: var(--text);
    border: 1px solid #E0E8EA;
    transition: border-color 0.5s ease;
}

.question-image {
    max-height: 400px;
    width: auto;
    max-width: 100%;
    margin: 0 auto 15px auto;
    border-radius: 5px;
    display: block;
}

.question-options {
    padding-left: 15px;
    padding-right: 15px;
    margin-top: 15px;
}

.question-options .form-check {
    padding: 8px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    margin-bottom: 5px;
}

.question-options .form-check:hover {
    background-color: rgba(0, 102, 127, 0.06);
}

.question-options .form-check-label {
    cursor: pointer;
    margin-left: 5px;
}

.question-options .form-check-input:checked {
    background-color: var(--vamia-teal);
    border-color: var(--vamia-teal);
}


#completion-message {
    margin-top: 20px;
    padding: 20px;
    background-color: var(--panel-bg);
    color: var(--text);
    border: 1px solid #E0E8EA;
    border-top: 4px solid var(--vamia-teal);
    border-radius: 10px;
    font-size: 1.2em;
    font-weight: bold;
    text-align: center;
}

#score-message {
    margin-bottom: 10px;
    color: var(--text);
    font-size: 1.3em;
}


.question-card.border-success {
    border-width: 3px;
    border-color: var(--ok);
}

.question-card.border-danger {
    border-width: 3px !important;
    border-color: var(--fail) !important;
}


.btn-primary,
.btn-success {
    background-color: var(--vamia-teal);
    border-color: var(--vamia-teal);
    color: #fff;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-success:hover,
.btn-success:focus {
    background-color: var(--vamia-teal-dark);
    border-color: var(--vamia-teal-dark);
    color: #fff;
}


.btn-warning {
    background-color: var(--vamia-coral);
    border-color: var(--vamia-coral);
    color: #fff;
}

.btn-warning:hover,
.btn-warning:focus {
    background-color: var(--vamia-coral-dark);
    border-color: var(--vamia-coral-dark);
    color: #fff;
}


@media (max-width: 576px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
        width: 100%;
    }

    h1, h2 {
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
        line-height: 1.2;
    }

    .vamia-logo {
        max-width: 170px;
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .card-body {
        padding: 1.5rem;
    }

    img {
        max-width: 100%;
        height: auto;
    }
}