/* ============================================
   STYLE UNIFIÉ AVEC VOTRE CSS EXISTANT
============================================ */

.track-form-container {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
    padding: 80px 0;
}

.track-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    padding: 40px;
    animation: fadeInUp 0.6s ease-out;
}

.track-title {
    color: #2E7D32; /* Couleur logo verte */
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
    font-size: 28px;
}

.track-title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #2E7D32 0%, #245E27 100%);
    border-radius: 2px;
}

.form-label {
    font-weight: 800;
    color: #4a5568;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.form-label i {
    color: #2E7D32; 
    margin-right: 8px;
    font-size: 16px;
}

/* ===== CHAMPS FORMULAIRE CORRIGÉS ===== */
.form-control {
    border: 2px solid #cbd5e0;
    border-radius: 10px;
    padding: 15px;
    font-size: 16px;
    transition: all 0.3s ease;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95); /* fond blanc semi-transparent */
    color: #2E2E2E; /* TEXTE NOIR pour que ce soit visible */
}

.form-control::placeholder {
    color: #a0aec0; /* placeholder gris clair */
    opacity: 1;
}

/* Texte visible au focus ou lorsque le champ a une valeur */
.form-control:focus,
.form-control:not(:placeholder-shown) {
    color: #2E2E2E; /* texte bien noir */
    font-weight: 500; /* optionnel : léger accent pour sentir la valeur */
    background-color: rgba(255, 255, 255, 1); /* fond blanc plein si focus */
}

.form-control:focus {
    border-color: #2E7D32;
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(46, 125, 50, 0.25);
}

.form-control.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
    background-color: #fff5f5;
    color: #721c24;
}

.error-message {
    color: #dc3545;
    font-size: 14px;
    margin-top: 5px;
    display: block;
    font-weight: 500;
    padding: 8px 12px;
    background-color: rgba(220, 53, 69, 0.1);
    border-radius: 6px;
    border-left: 3px solid #dc3545;
}

.btn-track {
    background: linear-gradient(135deg, #2E7D32 0%, #245E27 100%);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 15px 30px;
    font-weight: 600;
    font-size: 18px;
    width: 100%;
    transition: all 0.3s ease;
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-track:hover {
    background: linear-gradient(135deg, #245E27 0%, #1E4A20 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(46, 125, 50, 0.3);
    color: white;
}

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

.info-box {
    background: rgba(247, 250, 252, 0.8);
    backdrop-filter: blur(5px);
    border-left: 4px solid #2E7D32;
    padding: 20px;
    border-radius: 10px;
    margin-top: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.info-box h6 {
    color: #2E7D32;
    display: flex;
    align-items: center;
}

.info-box h6 i {
    color: #2E7D32;
    margin-right: 8px;
}

.info-box ul {
    padding-left: 20px;
    margin-bottom: 0;
}

.info-box li {
    margin-bottom: 8px;
    color: #4a5568;
}

.info-box li:last-child {
    margin-bottom: 0;
}

.info-box strong {
    color: #2E7D32;
}

.alert {
    border-radius: 10px;
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    margin-bottom: 25px;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    border-left: 4px solid #dc3545;
    color: #721c24;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    border-left: 4px solid #28a745;
    color: #155724;
}

.text-center.mt-4 a {
    color: #2E7D32;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    background: rgba(46, 125, 50, 0.1);
}

.text-center.mt-4 a:hover {
    color: #245E27;
    background: rgba(46, 125, 50, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.15);
}

.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.8;
}

.btn-loading:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .track-form-container { padding: 40px 15px; }
    .track-card { padding: 25px; }
    .track-title { font-size: 24px; }
    .form-control { padding: 12px; font-size: 15px; }
    .btn-track { padding: 12px 20px; font-size: 16px; }
    .info-box { padding: 15px; }
    .text-center.mt-4 a { padding: 8px 16px; font-size: 14px; }
}

@media (max-width: 480px) {
    .track-card { padding: 20px; }
    .track-title { font-size: 22px; margin-bottom: 20px; }
    .form-label { font-size: 14px; }
    .btn-track { font-size: 15px; }
}