@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
    --color-primary: #4a90e2; /* Bleu primaire */
    --color-secondary: #50e3c2; /* Turquoise secondaire */
    --color-accent: #f5a623; /* Orange accent */
    --color-background: #f8f9fa; /* Fond clair */
    --color-text: #343a40; /* Texte principal */
    --color-text-light: #6c757d; /* Texte plus clair */
    --color-border: #dee2e6; /* Bordures */
    --color-shadow: rgba(0, 0, 0, 0.1);

    --color-phase-1: #4a90e2; /* Bleu */
    --color-phase-2: #7ed321; /* Vert */
    --color-phase-3: #bd10e0; /* Violet */
    --color-followup: #f5a623; /* Orange */

    --color-workshop: #9013fe; /* Violet foncé */
    --color-milestone: #d0021b; /* Rouge */
    --color-deliverable: #50e3c2; /* Turquoise */
    --color-task: #4a4a4a; /* Gris foncé */
    --color-launch: #7ed321; /* Vert clair */
    --color-note: #f8e71c; /* Jaune */

    --font-family: 'Poppins', sans-serif;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 1rem 2rem;
    background-color: #fff;
    box-shadow: 0 4px 15px var(--color-shadow);
    border-radius: 8px;
}

header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

header h1 {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 2.2rem;
}

.timeline {
    position: relative;
    padding: 1rem 0;
}

.month {
    margin-bottom: 2.5rem;
    padding-left: 40px; /* Espace pour la ligne verticale */
    position: relative;
}

.month::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--color-border);
    border-radius: 2px;
}

.month:last-child::before {
    /* Ajuster la ligne pour le dernier mois si nécessaire */
}

.month-header {
    margin-bottom: 1.5rem;
    position: relative;
}

.month-header h2 {
    background-color: var(--color-primary);
    color: #fff;
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    display: inline-block;
    font-size: 1.4rem;
    font-weight: 600;
    box-shadow: 0 2px 5px rgba(74, 144, 226, 0.4);
    position: relative;
    left: -25px; /* Décaler pour aligner avec la ligne */
}

.month-header h2 i {
    margin-right: 0.7rem;
}

.phase {
    border-left: 5px solid;
    padding: 1rem 1.5rem 1.5rem 2rem; /* Augmenter padding gauche */
    margin-bottom: 2rem;
    margin-left: -5px; /* Compenser le décalage du parent */
    position: relative;
    background-color: #ffffff;
    border-radius: 0 8px 8px 0;
    box-shadow: 0 3px 8px var(--color-shadow);
}

.phase-1 { border-color: var(--color-phase-1); }
.phase-2 { border-color: var(--color-phase-2); }
.phase-2-cont { border-color: var(--color-phase-2); } /* Garder la couleur phase 2 */
.phase-3 { border-color: var(--color-phase-3); }
.phase-followup { border-color: var(--color-followup); }

.phase-label {
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--color-border);
    color: var(--color-text);
}

.phase-1 .phase-label { color: var(--color-phase-1); }
.phase-2 .phase-label, .phase-2-cont .phase-label { color: var(--color-phase-2); }
.phase-3 .phase-label { color: var(--color-phase-3); }
.phase-followup .phase-label { color: var(--color-followup); }

.week-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.week {
    background-color: #f8f9fa;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 1rem;
    flex: 1 1 250px; /* Permet aux semaines de s'adapter */
    min-width: 250px;
    box-shadow: 0 1px 3px var(--color-shadow);
}

.week-header {
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    border-bottom: 1px solid #e9ecef;
    padding-bottom: 0.4rem;
}

.events {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.event {
    padding: 0.6rem 0.8rem;
    border-radius: 4px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background-color: #fff;
    border: 1px solid var(--color-border);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.event:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}

.event i {
    font-size: 1rem;
    width: 20px; /* Largeur fixe pour alignement */
    text-align: center;
}

/* Couleurs spécifiques aux types d'événements */
.event-launch { border-left: 4px solid var(--color-launch); }
.event-launch i { color: var(--color-launch); }

.event-workshop { border-left: 4px solid var(--color-workshop); }
.event-workshop i { color: var(--color-workshop); }

.event-task { border-left: 4px solid var(--color-task); }
.event-task i { color: var(--color-task); }

.event-deliverable { border-left: 4px solid var(--color-deliverable); }
.event-deliverable i { color: var(--color-deliverable); }

.event-milestone { border-left: 4px solid var(--color-milestone); font-weight: 600; }
.event-milestone i { color: var(--color-milestone); }

.event-note { border-left: 4px solid var(--color-note); font-style: italic; }
.event-note i { color: var(--color-note); }

.milestone {
    margin-top: 1.5rem;
    padding: 1rem 1.5rem;
    background-color: #fff3cd; /* Fond léger pour les jalons */
    border: 1px solid #ffeeba;
    border-left: 5px solid var(--color-milestone);
    border-radius: 6px;
    position: relative;
}

.milestone-header {
    font-weight: 700;
    color: var(--color-milestone);
    margin-bottom: 0.8rem;
    font-size: 1rem;
}

.milestone .event {
    background-color: #fff;
}

footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    font-size: 0.85rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-color {
    display: inline-block;
    width: 15px;
    height: 15px;
    border-radius: 3px;
}

/* Couleurs de la légende */
.phase-1-color { background-color: var(--color-phase-1); }
.phase-2-color { background-color: var(--color-phase-2); }
.phase-3-color { background-color: var(--color-phase-3); }
.workshop-color { background-color: var(--color-workshop); }
.milestone-color { background-color: var(--color-milestone); }
.deliverable-color { background-color: var(--color-deliverable); }

/* Responsive */
@media (max-width: 768px) {
    .container {
        margin: 1rem;
        padding: 1rem;
    }

    header h1 {
        font-size: 1.8rem;
    }

    .month {
        padding-left: 25px;
    }
    .month::before {
        left: 10px;
    }
    .month-header h2 {
        left: -15px;
        font-size: 1.2rem;
    }

    .phase {
        padding: 1rem 1rem 1rem 1.5rem;
        margin-left: -15px;
    }

    .week-group {
        flex-direction: column;
        gap: 1rem;
    }

    .week {
        flex-basis: auto; /* Chaque semaine prend toute la largeur */
        min-width: unset;
    }

    .legend {
        font-size: 0.8rem;
        gap: 0.8rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5rem;
    }

    .month-header h2 {
        font-size: 1.1rem;
    }

    .phase-label {
        font-size: 1.1rem;
    }

    .event {
        font-size: 0.85rem;
        gap: 0.4rem;
    }

    .event i {
        font-size: 0.9rem;
    }

    .legend {
        flex-direction: column;
        align-items: flex-start;
    }
}