:root {
    --bg-app: #F2F2F7;    
    --card-bg: #FFFFFF;    
    --primary: #E50914;   
    --text-main: #1C1C1E;
    --text-muted: #8E8E93;
    --border: #E5E5EA;     
    --success: #34C759;
}

body {
    background-color: var(--bg-app);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
}

.nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    
    background-color: var(--card-bg);
    padding: 15px 20px;

    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 0 rgba(0,0,0,0.05);
}

.nav-header > div {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.nav-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
}

.nav-subtitle {
    color: var(--text-muted);
    margin: 0;
}

.nav-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--primary);
    padding: 5px 10px;
    cursor: pointer;
}

.nav-btn:disabled { color: var(--border); }

.phase-tabs-container {
    position: sticky;
    top: 70px;
    z-index: 90;
    background-color: var(--card-bg);

    padding: 10px 15px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);

    white-space: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.phase-tabs-container::-webkit-scrollbar { display: none; }

.phase-tab {
    display: inline-block;
    padding: 8px 16px;
    margin-right: 8px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    background-color: var(--bg-app);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

.phase-tab.active {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 2px 6px rgba(229, 9, 20, 0.3);
}

.tools-container {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 16px;
}

.tools-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;

    background-color: var(--primary);
    border: none;
    border-radius: 20px;
    padding: 8px 16px;

    color: var(--card-bg);
    font-weight: 600;
    font-size: 0.9rem;
}

.tools-btn > span {
    display: flex;
    align-items: center;
    justify-content: center;

    background-color: var(--card-bg);
    border-radius: 50%;
    width: 20px;
    height: 20px;

    color: var(--primary);
    font-size: 0.8rem;
}

.app-container {
    padding: 0 16px;
    max-width: 600px;
    margin: 0 auto;
}

.role-card {
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    margin-bottom: 16px;
    overflow: hidden;
}

.role-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1rem;
    background-color: rgba(255,255,255,0.8);
}

.role-icon { font-size: 1.2rem; }

.slot-row {
    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    min-height: 64px; 
}

.slot-row:last-child { border-bottom: none; }

.btn-je-prends {
    background-color: transparent;
    border: 1.5px solid var(--primary);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background 0.1s;
}

.btn-je-prends:active {
    background-color: var(--primary);
    color: white;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.user-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
}

.is-me-highlight {
    color: var(--success);
}

.badge-doublon {
    background-color: #FFF3CD;
    color: #856404;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: bold;
    text-transform: uppercase;
    margin-left: 8px;
    border: 1px solid #FFEeba;
}

.slot-closed {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-weight: bold;
    font-size: 1.5rem;
    background-color: #FAFAFA;
}

.extra-slots-container {
    text-align: center;
    padding: 5px;
}

.btn-extra-slots {
    background: none;
    border: none;
    color: #999;
    font-size: 0.8rem;
    cursor: pointer;
    text-decoration: underline;
}

.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-box {
    background: white;
    width: 90%;
    max-width: 350px;
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    animation: popIn 0.2s ease-out;
}

@keyframes popIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: white;
    font-size: 1rem;
    margin-bottom: 20px;
    appearance: none;
}

.btn-confirm {
    width: 100%;
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 14px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: bold;
}

.btn-confirm:disabled { opacity: 0.5; }