/* --- Variables et Style Global --- */
:root {
    --bg-color: #1a1a2e;
    --card-color: #16213e;
    --primary-text-color: #e0fbfc;
    --secondary-text-color: #9fb3c8;
    --accent-color: #0f3460;
    --highlight-color: #e94560;
    --success-color: #57b894;
    --danger-color: #d9534f;
    --warning-color: #f0ad4e;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--primary-text-color);
    line-height: 1.6;
}

h1, h2, h3, h4 {
    color: var(--primary-text-color);
    margin-bottom: 0.75rem;
}

/* --- Structure Principale --- */
header {
    background-color: var(--card-color);
    padding: 1rem 2rem;
    text-align: center;
    border-bottom: 2px solid var(--accent-color);
}

.main-container {
    display: flex;
    flex-direction: row; /* Par défaut sur grand écran */
    flex-wrap: wrap;
    padding: 1rem;
    gap: 1rem;
}

.column {
    flex: 1;
    min-width: 320px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* --- Style des Cartes (Sections) --- */
.card {
    background-color: var(--card-color);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--accent-color);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: box-shadow 0.3s ease;
}

/* --- Formulaires, Boutons et Champs de saisie --- */
input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--accent-color);
    background-color: var(--bg-color);
    color: var(--primary-text-color);
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--highlight-color);
    box-shadow: 0 0 5px rgba(233, 69, 96, 0.5);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

button {
    cursor: pointer;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    background-color: var(--accent-color);
    color: var(--primary-text-color);
    font-size: 1rem;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.2s ease;
    -webkit-tap-highlight-color: transparent; /* Pour une meilleure expérience mobile */
}

button:hover {
    background-color: #1e457c;
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

.danger-btn { background-color: var(--danger-color); }
.danger-btn:hover { background-color: #c9302c; }
.warning-btn { background-color: var(--warning-color); color: #1a1a2e; }
.warning-btn:hover { background-color: #ec971f; }

/* --- Sections Spécifiques --- */
#add-participant-form {
    display: flex;
    gap: 0.5rem;
}

#bulk-add-section { margin: 1.5rem 0; padding-top: 1rem; border-top: 1px solid var(--accent-color); }
#bulk-add-btn { width: 100%; background-color: #2c3e50; }
#bulk-add-btn:hover { background-color: #34495e; }

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
}

ul { list-style: none; padding-left: 0; margin-bottom: 1rem; }

#participants-list li,
#ranking-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-radius: 4px;
    background-color: var(--bg-color);
    margin-bottom: 0.5rem;
    gap: 1rem;
}

#participants-list li .participant-actions { display: flex; align-items: center; gap: 0.5rem; }
#participants-list li .participant-actions button { padding: 0.3rem 0.6rem; font-size: 0.8rem; }

#matches-list .match-item { background-color: var(--bg-color); padding: 1rem; margin-bottom: 0.75rem; border-radius: 4px; cursor: pointer; border-left: 4px solid var(--accent-color); transition: all 0.3s ease; }
#matches-list .match-item:hover { background-color: var(--accent-color); transform: translateX(5px); }
#matches-list .match-item.completed { border-color: var(--success-color); opacity: 0.7; }
#matches-list .match-item.active-match { background-color: var(--accent-color); border-color: var(--highlight-color); transform: scale(1.02); }
.match-details, .match-roles { font-size: 0.85em; color: var(--secondary-text-color); margin-top: 0.5rem; }
.match-roles { padding-top: 0.5rem; border-top: 1px dashed var(--accent-color); }

.vs { color: var(--highlight-color); font-size: 1.5rem; font-weight: bold; margin: 0 1rem; }

.export-buttons, .save-actions { margin-top: 1.5rem; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.save-actions { padding-top: 1rem; border-top: 1px solid var(--accent-color); justify-content: space-between; }
.export-buttons button, .save-actions button { flex-grow: 1; min-width: 150px; }

/* --- Section Combat en Cours --- */
#timer-display #timer-clock { font-size: clamp(2.5rem, 15vw, 4rem); font-weight: bold; text-align: center; margin: 1rem 0; color: var(--highlight-color); transition: color 0.5s; }
#timer-display h3 { font-size: clamp(1.1rem, 5vw, 1.5rem); }
.timer-controls { display: flex; justify-content: center; gap: 0.5rem; flex-wrap: wrap; }
.timer-controls button { flex-grow: 1; padding: 0.5rem 1rem; }

#score-entry-section { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--accent-color); }
#score-form { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 1rem; }
#score-form .score-input-group { display: contents; }
#score-form label { text-align: right; }
#score-form button { grid-column: 1 / -1; margin-top: 0.5rem; }

/* --- UI/UX Avancée --- */
.hidden { display: none !important; }
.progress-bar-container { width: 100%; background-color: var(--accent-color); border-radius: 5px; margin-top: 0.5rem; overflow: hidden; }
.progress-bar { width: 0%; height: 10px; background-color: var(--highlight-color); border-radius: 5px; transition: width 0.5s ease-in-out, background-color 0.5s; }
#toast-notification { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); padding: 1rem 2rem; border-radius: 5px; color: white; opacity: 0; visibility: hidden; transition: opacity 0.5s, visibility 0.5s, transform 0.5s; z-index: 1000; }
#toast-notification.show { opacity: 1; visibility: visible; transform: translate(-50%, -10px); }
#toast-notification.success { background-color: var(--success-color); }
#toast-notification.error { background-color: var(--danger-color); }
#toast-notification.info { background-color: #3498db; }
@keyframes slideIn { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
#ranking-list li { animation: slideIn 0.4s ease-out forwards; opacity: 0; }
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.7); display: flex; justify-content: center; align-items: center; z-index: 2000; }
.modal-content { background-color: var(--card-color); padding: 2rem; border-radius: 8px; text-align: center; position: relative; }
.modal-close { position: absolute; top: 10px; right: 15px; font-size: 1.5rem; background: none; border: none; color: var(--primary-text-color); cursor: pointer; }
#qrcode-container { padding: 1rem; background-color: white; display: inline-block; margin-top: 1rem; }
.rgpd-footer { padding: 2rem; margin: 2rem 1rem 1rem 1rem; text-align: center; font-size: 0.85em; color: var(--secondary-text-color); border-top: 1px solid var(--accent-color); }
.rgpd-footer p { max-width: 800px; margin: 0.5rem auto; }
.rgpd-footer code { background-color: var(--bg-color); padding: 0.2em 0.4em; border-radius: 3px; font-family: monospace; }

/* =================================================================================== */
/* --- Responsivité --- */
/* =================================================================================== */

/* Pour les tablettes et en dessous (< 992px) */
@media (max-width: 992px) {
    .main-container {
        flex-direction: column; /* Passage à une seule colonne */
    }
}

/* Pour les mobiles (< 600px) */
@media (max-width: 600px) {
    body {
        font-size: 0.95rem; /* Réduit légèrement la taille de police de base */
    }

    h1 {
        font-size: 1.5rem;
    }
    
    .card {
        padding: 1rem; /* Moins d'espacement interne sur mobile */
    }
    
    #add-participant-form {
        flex-direction: column; /* Le bouton passe sous le champ de saisie */
    }
    
    #participants-list li,
    #ranking-list li {
        flex-direction: column; /* Les infos du participant s'empilent */
        align-items: flex-start; /* Alignement à gauche */
        gap: 0.5rem;
    }
    
    .settings-grid {
        grid-template-columns: 1fr; /* Une seule colonne pour les paramètres */
    }
    
    #score-form {
        grid-template-columns: auto 1fr; /* Label à gauche, input à droite */
        gap: 0.5rem 1rem;
    }
    #score-form label {
        text-align: left;
    }
}

/* =================================================================================== */
/* --- STYLE DU BOUTON DE RETOUR AJOUTÉ --- */
/* =================================================================================== */

#back-to-home-btn {
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 2001; /* Doit être au-dessus de tout, même du modal */
    
    background-color: var(--highlight-color);
    color: var(--primary-text-color);
    
    padding: 0.5rem 1rem;
    border-radius: 25px;
    
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9rem;
    
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

#back-to-home-btn:hover {
    transform: scale(1.05);
    background-color: #ff5c77; /* Une version un peu plus claire de la couleur highlight */
}