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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-image: url('./images/background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 100vh;
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.top-logo {
    width: 100%;
    max-width: 300px;
    margin: 0 auto 20px auto;
    display: block;
}

.mention{
    font-size: 12px;
    text-align: justify;
    margin-top: 20px;
}

.main-title {
    color: white;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 25px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
    letter-spacing: 1px;
}

.logo-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.bottom-logo {
    max-width: 120px;
    max-height: 60px;
    width: auto;
    height: auto;
    object-fit: contain;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.bottom-logo:hover {
    opacity: 1;
}

.container {
    max-width: 1200px;
    width: 100%;
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    /* margin: auto; */
}

.header {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.content {
    padding: 20px;
}

.calendar-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.calendar-section {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 15px;
    border: 1px solid #e9ecef;
}

.calendar-section h2 {
    color: #333;
    margin-bottom: 40px;
    font-size: 1.5rem;
    text-align: center;
}

.calendar {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.calendar-nav {
    background: #4facfe;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

.calendar-nav:hover {
    background: #2196f3;
}

.calendar-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    background: #e9ecef;
    border-radius: 8px;
    padding: 2px;
}

.calendar-day-header {
    background: #6c757d;
    color: white;
    padding: 8px 4px;
    text-align: center;
    font-weight: 600;
    font-size: 0.8rem;
    min-height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calendar-day {
    background: white;
    padding: 8px 4px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.calendar-day:hover {
    background: #e3f2fd;
    transform: scale(1.05);
}

.calendar-day.selected {
    background: #4facfe;
    color: white;
}

.calendar-day.other-month {
    color: #ccc;
}

.calendar-day.today {
    background: #ffc107;
    color: #333;
    font-weight: 600;
}

.form-section {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 15px;
    border: 1px solid #e9ecef;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4facfe;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.btn {
    /* background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); */
    background-image: url('./images/background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    transition: transform 0.3s;
    width: 100%;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.selected-info {
    background: #e8f5e8;
    border: 1px solid #4caf50;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.selected-info h3 {
    color: #2e7d32;
    margin-bottom: 10px;
}

.selected-info p {
    color: #388e3c;
    font-weight: 500;
}

.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

@media (max-width: 768px) {
    .main-title {
        width: 80%;
        margin: 0 auto;
        font-size: 1.8rem;
        margin-bottom: 15px;
        padding: 10px 10px;
    }

    .logo-container {
        position: relative;
        bottom: auto;
        right: auto;
        text-align: right;
        margin-top: 20px;
        margin-right: 15px;
        z-index: 1000;
        width: 100%;
    }

    .bottom-logo {
        max-width: 100px;
        max-height: 50px;
        padding: 0 10px 10px 0;
    }

    body {
        padding: 5px;
        align-items: flex-start;
        min-height: 100vh;
    }

    .container {
        border-radius: 10px;
        margin: 10px auto;
        width: calc(100% - 10px);
    }
    
    .calendar-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .content {
        padding: 15px;
    }
    
    .calendar-section,
    .form-section {
        padding: 15px;
    }
    
    .calendar-section h2,
    .form-section h2 {
        font-size: 1.2rem;
        margin-bottom: 15px;
    }
    
    .calendar {
        max-width: 100%;
    }
    
    .calendar-header {
        margin-bottom: 15px;
    }
    
    .calendar-nav {
        padding: 8px 12px;
        font-size: 0.9rem;
    }
    
    .calendar-title {
        font-size: 1rem;
    }
    
    .calendar-day {
        padding: 6px 2px;
        font-size: 0.8rem;
        min-height: 35px;
    }
    
    .calendar-day-header {
        padding: 6px 2px;
        font-size: 0.7rem;
        min-height: 25px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-group label {
        font-size: 0.9rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px;
        font-size: 0.9rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 1rem;
    }
    
    .selected-info {
        padding: 12px;
        margin-bottom: 15px;
    }
    
    .selected-info h3 {
        font-size: 1rem;
    }
    
    .selected-info p {
        font-size: 0.9rem;
    }
    
    .alert {
        padding: 12px;
        margin-bottom: 15px;
    }

    .header h1 {
        font-size: 1.8rem;
    }
    
    .header p {
        font-size: 1rem;
    }
    
    .header {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 1.5rem;
        margin-bottom: 10px;
        padding: 10px 5px;
    }

    .logo-container {
        position: relative;
        bottom: auto;
        right: auto;
        text-align: right;
        margin-top: 15px;
        margin-right: 10px;
        z-index: 1000;
        width: 100%;
    }

    .bottom-logo {
        max-width: 80px;
        max-height: 40px;
        padding: 0 10px 10px 0;
    }

    body {
        padding: 2px;
        align-items: flex-start;
    }

    .container {
        margin: 5px auto;
        border-radius: 5px;
        width: calc(100% - 4px);
    }
    
    .content {
        padding: 10px;
    }
    
    .calendar-container {
        gap: 10px;
    }
    
    .calendar-section,
    .form-section {
        padding: 10px;
    }
    
    .calendar-section h2,
    .form-section h2 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .calendar-day {
        padding: 4px 1px;
        font-size: 0.75rem;
        min-height: 30px;
    }
    
    .calendar-day-header {
        padding: 4px 1px;
        font-size: 0.65rem;
        min-height: 20px;
    }
    
    .calendar-nav {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
    
    .calendar-title {
        font-size: 0.9rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 8px;
        font-size: 0.8rem;
    }
    
    .btn {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .header p {
        font-size: 0.9rem;
    }
    
    .header {
        padding: 15px;
    }
}

/* Améliorations pour les appareils tactiles */
@media (hover: none) and (pointer: coarse) {
    .calendar-day {
        min-height: 44px;
        padding: 8px 4px;
    }
    
    .calendar-nav {
        min-height: 44px;
        padding: 12px 16px;
    }
    
    .btn {
        min-height: 44px;
        padding: 12px 20px;
    }
    
    .calendar-day:hover {
        background: #e3f2fd;
        transform: none;
    }
    
    .calendar-day:active {
        background: #4facfe;
        color: white;
        transform: scale(0.95);
    }
    
    .btn:hover {
        transform: none;
    }
    
    .btn:active {
        transform: scale(0.98);
    }
}

/* Améliorer la lisibilité sur petits écrans */
@media screen and (max-width: 360px) {
    .calendar-day {
        font-size: 0.7rem;
        min-height: 28px;
    }
    
    .calendar-day-header {
        font-size: 0.6rem;
        min-height: 18px;
    }
    
    .calendar-title {
        font-size: 0.8rem;
    }
    
    .calendar-nav {
        font-size: 0.75rem;
        padding: 5px 8px;
    }
}