/* style.css - Couleurs : bleu + jaune, responsive */

body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: #f8f9fa;
    color: #222;
}

header {
    background-color: #004080;
    color: #fff;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.title {
    font-size: 1.8rem;
    font-weight: bold;
}

.prof-login .btn-small {
    background-color: #ffc107;
    color: #000;
    padding: 8px 12px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.9rem;
}

main {
    padding: 20px;
    text-align: center;
}

.sessions h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.session-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.session-btn {
    background-color: #007bff;
    color: white;
    font-size: 1.2rem;
    padding: 15px 25px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s;
}

.session-btn:hover {
    background-color: #0056b3;
}

.login-box {
    margin-top: 30px;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
    background-color: #e9ecef;
    padding: 20px;
    border-radius: 10px;
}

.hidden {
    display: none;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 6px;
}

.btn-full {
    background-color: #ffc107;
    color: #000;
    width: 100%;
    padding: 12px;
    font-weight: bold;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

@media (max-width: 600px) {
    .session-btn {
        font-size: 1rem;
        padding: 12px 18px;
    }

    .title {
        font-size: 1.4rem;
    }
}
.login-box {
    max-width: 320px;
    margin: 30px auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 12px rgba(0,0,0,0.1);
    text-align: center;
}
.hidden {
    display: none;
}