body{
    font-family: "Roboto Condensed", "Roboto";
    margin: 0px;
    background-color: #005896;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header img:hover{
    box-shadow: 0 0 30px 5px black;
}

.confirmation-box {
    position: relative;
    z-index: 10;
    background: #ffffff;
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    max-width: 600px;
    margin: 80px auto;
    box-shadow: 0 20px 50px rgba(39, 38, 38, 0.8);
}

.confirmation-box h2 {
    margin-top: 0;
    color: #005896;
}

.confirmation-box p {
    font-size: 1.1em;
    color: #333;
}

.confirmation-box .btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 30px;
    background: #2e7d32;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: background 0.3s;
}

.confirmation-box .btn:hover {
    background: #1b5e20;
}

.error {
    color: red;
    margin-bottom: 15px;
}

header{
    background-color: #333333;
    width: 100%;
    color: white;
}

header p{
    margin: 0px;
}

header img{
    padding: 10px;
    margin: 20px 0 0 60px;
}

.links{
    padding: 20px 0;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.links p{
    padding: 0 20px;
}

.links a:hover{
    background-color: white;
    border-radius: 10px;
    color: #FF392C;
    font-weight: bold;
} 

#admin{
    color: white;
    background-color: #FF392C;
    font-weight: bold;
    border-radius: 10px;
    margin-left: 10px;
    padding: 5px;
}

#admin:hover{
    color: lightgray;
    background-color: #992d25;
}


header a{
    text-decoration: none;
    color: white;
}

h1{
    text-align: center;
    color: white;
}

.content{
    flex: 1;
    position: relative;
    background-image: url('../../../img/iut_bg.png');
    background-size: auto 100%;
    background-position: calc(100% + 800px) center;
    background-repeat: no-repeat;
    padding: 20px;
    overflow: hidden;
}

.content::before{
    content: '';
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 400px;
    height: 120%;
    background: 
        repeating-linear-gradient(45deg, transparent, transparent 80px, #FF392C 80px, #FF392C 85px, transparent 85px, transparent 200px),
        repeating-linear-gradient(45deg, transparent, transparent 120px, #4CAF50 120px, #4CAF50 123px, transparent 123px, transparent 250px),
        repeating-linear-gradient(45deg, transparent, transparent 160px, #FFC107 160px, #FFC107 165px, transparent 165px, transparent 300px),
        repeating-linear-gradient(45deg, transparent, transparent 200px, #00BCD4 200px, #00BCD4 207px, transparent 207px, transparent 350px);
    opacity: 0.5;
    pointer-events: none;
    z-index: 1;
}

.content::after{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, 
        rgba(135, 206, 250, 0.4) 0%,
        rgba(135, 206, 250, 0.2) 30%,
        transparent 100%);
    pointer-events: none;
    z-index: 1;
}

.blur-overlay{
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    backdrop-filter: blur(8px);
    background: linear-gradient(to left, 
        rgba(0, 88, 150, 0.3) 0%, 
        transparent 100%);
    pointer-events: none;
    z-index: 1;
}

.content .confirmation-box,
.content h1,
.content form{
    position: relative;
    z-index: 10;
}

form{
    margin: 50px auto;
    display: flex;
    background-color: white;
    flex-direction: column;
    max-width: 600px;
    box-shadow: 0 20px 50px rgba(39, 38, 38, 0.5);
    border-radius: 20px;
    padding: 30px;
}

form label{
    margin: 10px 0;
    padding: 10px 0;
    display: flex;
    flex-direction: column;
    font-weight: bold;
    color: #333;
}

form input{
    margin-top: 8px;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1em;
    transition: border-color 0.3s;
}

form input:focus{
    outline: none;
    border-color: #005896;
}

form button{
    margin-top: 20px;
    padding: 15px;
    background-color: #005896;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

form button:hover{
    background-color: #003d6b;
}

#mail{
    width: 100%;
    box-sizing: border-box;
}

footer{
    background-color: #333333;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    align-content: space-around;
}

footer img{
    margin: 20px 0 20px 60px;
}

footer p{
    color: white;
    margin: 20px 60px 20px 0;
}

footer a:hover{
    color: white;
    text-decoration: underline;
}

footer a{
    text-decoration: none;
}

/* ======== RESPONSIVE TABLETTE ======== */
@media (max-width: 1024px) {
    .content::before {
        width: 300px;
        left: -100px;
    }

    .blur-overlay {
        width: 40%;
    }

    form {
        max-width: 550px;
    }
}

/* ======== RESPONSIVE TABLETTE PORTRAIT ======== */
@media (max-width: 768px) {
    header img {
        margin: 15px auto;
        display: block;
        max-width: 220px;
    }

    .links {
        flex-direction: column;
        padding: 15px 0;
    }

    .links p {
        padding: 8px 0;
    }

    #admin {
        margin-left: 0;
        margin-top: 10px;
    }

    h1 {
        font-size: 1.8em;
        padding: 0 20px;
        margin-top: 30px;
    }

    .content {
        padding: 15px;
        background-position: calc(100% + 400px) center;
    }

    .content::before {
        width: 250px;
        opacity: 0.3;
    }

    .blur-overlay {
        display: none;
    }

    .content::after {
        width: 100%;
        background: linear-gradient(to bottom, 
            rgba(135, 206, 250, 0.2) 0%,
            transparent 50%);
    }

    form {
        margin: 30px auto;
        max-width: 500px;
    }

    .confirmation-box {
        margin: 50px auto;
        max-width: 500px;
    }

    footer {
        flex-direction: column;
        text-align: center;
        padding: 20px 0;
    }

    footer img {
        margin: 15px auto;
        max-width: 180px;
    }

    footer p {
        margin: 15px auto;
    }
}

/* ======== RESPONSIVE MOBILE PORTRAIT ======== */
@media (max-width: 480px) {
    /* Header */
    header img {
        max-width: 200px;
        margin: 10px auto;
        padding: 5px;
    }

    .links {
        padding: 10px 0;
    }

    .links p {
        padding: 10px 15px;
        font-size: 0.95em;
    }

    .links a {
        display: block;
        width: 90%;
        max-width: 300px;
        margin: 5px auto;
        text-align: center;
        padding: 8px 0;
    }

    #admin {
        margin: 10px auto 0;
        width: 90%;
        max-width: 300px;
        text-align: center;
    }

    /* Titre */
    h1 {
        font-size: 1.5em;
        padding: 0 15px;
        margin-top: 20px;
        line-height: 1.3;
    }

    /* Content avec effets visuels */
    .content {
        padding: 10px;
        background-size: auto 80%;
        background-position: calc(100% + 200px) center;
    }

    .content::before {
        width: 200px;
        left: -80px;
        opacity: 0.25;
    }

    .content::after {
        background: linear-gradient(to bottom, 
            rgba(135, 206, 250, 0.15) 0%,
            transparent 40%);
    }

    /* Formulaire */
    form {
        margin: 30px auto;
        width: 95%;
        max-width: none;
        padding: 20px;
        border-radius: 15px;
    }

    form label {
        margin: 8px 0;
        padding: 8px 0;
        font-size: 0.95em;
    }

    form input {
        padding: 10px;
        font-size: 0.95em;
    }

    form button {
        padding: 15px;
        font-size: 1em;
        width: 100%;
    }

    /* Message d'erreur */
    .error {
        font-size: 0.9em;
        padding: 10px !important;
        margin: 15px 10px !important;
        max-width: none !important;
        width: calc(100% - 20px) !important;
    }

    /* Box de confirmation */
    .confirmation-box {
        width: 95%;
        max-width: none;
        margin: 40px auto;
        padding: 20px;
        border-radius: 15px;
    }

    .confirmation-box h2 {
        font-size: 1.3em;
        line-height: 1.3;
    }

    .confirmation-box p {
        font-size: 1em;
        line-height: 1.5;
    }

    .confirmation-box .btn {
        width: 100%;
        padding: 15px;
        font-size: 1em;
    }

    /* Footer */
    footer {
        padding: 15px 10px;
    }

    footer img {
        max-width: 150px;
        margin: 10px auto;
    }

    footer p {
        font-size: 0.9em;
        margin: 10px auto;
    }
}

/* ======== TRÈS PETITS ÉCRANS ======== */
@media (max-width: 360px) {
    h1 {
        font-size: 1.3em;
    }

    .links p {
        font-size: 0.9em;
    }

    form {
        padding: 15px;
    }

    form label {
        font-size: 0.9em;
    }

    form input {
        padding: 8px;
        font-size: 0.9em;
    }

    form button {
        padding: 12px;
        font-size: 0.95em;
    }

    .confirmation-box {
        padding: 15px;
    }

    .confirmation-box h2 {
        font-size: 1.2em;
    }

    .confirmation-box p {
        font-size: 0.95em;
    }

    .content::before {
        width: 150px;
        opacity: 0.2;
    }
}