:root {
    --primary: #2d5a27;
    --secondary: #8b5a2b;
    --bg-paper: #fdfaf4;
    --text-dark: #2c2520;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Georgia', serif;
}

body {
    background-color: var(--bg-paper);
    color: var(--text-dark);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hidden { display: none !important; }
.text-center { text-align: center; }

/* --- EN-TETE COMPACT --- */
#appPanel {
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 10px 15px;
    background: #fff;
    border-bottom: 2px solid var(--secondary);
}

.header-actions {
    display: flex;
    gap: 8px;
}

/* --- ZONE UNIQUE DE L'ARBRE (PLEIN ECRAN MOBILE) --- */
#graphicalTreeContainer {
    flex: 1;
    width: 100%;
    background: #f7f3eb;
}

/* Empêche le navigateur (surtout Android/Chrome) d'intercepter l'appui long
   avec son propre menu (enregistrer l'image, sélectionner le texte...),
   pour que ce soit toujours le menu de l'application qui s'ouvre. */
#graphicalTreeContainer,
#graphicalTreeContainer * {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

#graphicalTreeContainer img {
    -webkit-user-drag: none;
    user-drag: none;
}

.tree-tip {
    font-size: 11px;
    text-align: center;
    font-style: italic;
    color: #666;
    padding: 5px;
    background: #fff;
    border-top: 1px dashed var(--secondary);
}

/* --- FORMULAIRES ET BOUTONS --- */
.auth-container {
    width: 90%;
    max-width: 400px;
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    border: 2px solid var(--secondary);
    margin-top: 40px;
}

input, select, textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
}

button {
    width: 100%;
    padding: 14px;
    background-color: var(--primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
}

button.secondary-btn { background-color: var(--secondary); }

/* --- MENU CONTEXTUEL & MODALES --- */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    z-index: 2000;
}

.modal-content {
    background: var(--bg-paper);
    padding: 20px;
    border-radius: 12px;
    width: 100%;
    max-width: 400px;
    max-height: 90vh;
    overflow-y: auto;
    border: 2px solid var(--secondary);
}

.menu-actions-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.menu-action-item {
    background: #fff;
    color: var(--text-dark);
    border: 1px solid var(--secondary);
    text-align: left;
    padding: 12px 15px;
    font-size: 15px;
}

.menu-action-item:hover {
    background: #f0e6d2;
}

.file-input-group {
    background: #fff;
    padding: 8px;
    border: 1px dashed #ccc;
    border-radius: 6px;
    margin-bottom: 12px;
}

label {
    font-size: 12px;
    font-weight: bold;
    color: var(--secondary);
}