/* Reset et styles généraux */
:root {
    --primary-color: #030b5b;
    --primary-hover: #030b46;
    --error-color: #e74c3c;
    --success-color: #4CAF50;
    --success-hover: #45a049;
    --text-color: #333;
    --border-color: #e0e0e0;
    --background-color: #f8f9fa;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --font-family: 'Segoe UI', Arial, sans-serif;
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --disabled-color: #9e9e9e;
}

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

body {
    font-family: var(--font-family);
    background: var(--background-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
}

/* Header et navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: var(--box-shadow);
    z-index: 1000;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    height: 40px;
    width: auto;
}

/* Styles pour le bouton de déconnexion */
.logout-container {
    display: flex;
    align-items: center;
}

.logout-button {
    background-color: var(--error-color);
    color: white;
    border: none;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: bold;
    border-radius: var(--border-radius);
    cursor: pointer;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.logout-button i {
    margin-right: 6px;
}

.logout-button:hover {
    background-color: #c0392b;
    transform: scale(1.05);
}

/* Notification d'authentification */
#auth-notification {
    display: none;
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--error-color);
    color: white;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1100;
    font-family: var(--font-family);
}

/* Conteneur principal */
.upload-box {
    background: #fff;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    max-width: 400px;
    width: 100%;
    margin-top: 70px;
}

/* Titre */
h1 {
    color: var(--text-color);
    margin-bottom: 20px;
    font-size: 24px;
}

/* Messages flash */
.flash-message {
    margin-bottom: 20px;
    padding: 12px;
    border-radius: var(--border-radius);
    font-size: 14px;
}

.flash-success {
    background-color: #d4edda;
    color: #155724;
    border-left: 4px solid var(--success-color);
}

.flash-error {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid var(--error-color);
}

/* Input file personnalisé */
.file-input-container {
    position: relative;
    margin-bottom: 20px;
    width: 100%;
}

input[type="file"] {
    position: absolute;
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    z-index: -1;
}

.file-label {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    background-color: var(--background-color);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    width: 100%;
    transition: var(--transition);
    margin-bottom: 10px;
}

.file-label:hover {
    background-color: #e9ecef;
    border-color: var(--success-color);
}

.file-label i {
    margin-right: 10px;
    font-size: 20px;
    color: #6c757d;
    transition: var(--transition);
}

/* États du sélecteur de fichier */
.file-selected {
    border-color: var(--success-color);
    background-color: #f0fff0;
}

.file-selected i.icon-upload {
    color: var(--success-color);
}

.file-error {
    border-color: var(--error-color);
    background-color: #fff8f8;
}

.file-error i.icon-upload {
    color: var(--error-color);
}

.uploading {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

/* Conteneur du statut du fichier */
.file-status-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 5px;
}

.file-name {
    display: inline-block;
    font-size: 14px;
    color: #6c757d;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: calc(100% - 30px);
    transition: var(--transition);
}

.file-status {
    display: inline-block;
    margin-left: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.status-visible {
    opacity: 1;
}

.status-icon {
    font-size: 16px;
}

.status-icon.success {
    color: var(--success-color);
}

.status-icon.error {
    color: var(--error-color);
}

/* Bouton d'envoi */
.upload-button {
    background-color: var(--primary-color);
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--box-shadow);
    margin-top: 15px;
}

.upload-button i {
    margin-right: 8px;
}

.upload-button:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.upload-button:disabled {
    background-color: var(--disabled-color);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.7;
}

/* Animation pour le spinner */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fa-spin {
    animation: spin 1s linear infinite;
}

/* Responsivité */
@media screen and (max-width: 768px) {
    .upload-box {
        padding: 20px;
        max-width: 90%;
    }
}

@media screen and (max-width: 480px) {
    header {
        padding: 10px;
        flex-direction: column;
    }
    
    .logo-container {
        margin-bottom: 10px;
    }
    
    .logout-container {
        width: 100%;
        justify-content: center;
    }
    
    .logout-button {
        width: 100%;
        justify-content: center;
    }
    
    .upload-box {
        padding: 15px;
        margin-top: 120px;
    }
    
    h1 {
        font-size: 20px;
    }
    
    .file-label {
        flex-direction: column;
        padding: 20px 15px;
    }
    
    .file-label i {
        margin-right: 0;
        margin-bottom: 10px;
        font-size: 24px;
    }
    
    .file-name {
        font-size: 12px;
    }
    
    .distance-input-container {
        margin-top: 25px;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
      }
      
      .distance-label {
        font-weight: 600;
        font-size: 1rem;
        margin-bottom: 8px;
        color: #333;
        display: flex;
        align-items: center;
        gap: 8px;
      }
      
      .distance-input {
        width: 100%;
        max-width: 300px;
        padding: 10px 12px;
        font-size: 1rem;
        border-radius: 8px;
        border: 1px solid #ccc;
        box-shadow: inset 0 1px 3px rgba(0,0,0,0.05);
        transition: border 0.3s ease;
      }
      
      .distance-input:focus {
        border-color: #007bff;
        outline: none;
      }
      
      
}