/* style.css */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: var(--secondary-bg);
    color: var(--text);
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 20px;
}

h1, h2, h3 {
    color: var(--text);
    margin: 10px 0;
}

.navigation {
    background: var(--primary-bg);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.nav-link {
    text-decoration: none;
    color: var(--text);
    padding: 8px 16px;
    margin-right: 10px;
    border-radius: 4px;
    transition: all 0.2s;
}

.nav-link:hover {
    background-color: var(--hover-bg);
}

.nav-link.active {
    background-color: var(--button-blue);
    color: white;
}

.controls {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--primary-bg);
    padding: 10px 20px;
    z-index: 1001;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 20px;
}

button {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.primary-button {
    background-color: var(--button-green) !important;
    color: white !important;
    transition: filter 0.2s;
}

.primary-button:hover {
    filter: brightness(90%);
}

.secondary-button {
    background-color: var(--button-blue) !important;
    color: white !important;
    transition: filter 0.2s;
}

.secondary-button:hover {
    filter: brightness(90%);
}

button:disabled {
    background-color: #cccccc !important;
    cursor: not-allowed;
}

.main-content {
    display: flex;
    justify-content: space-between;
    margin-top: 120px;
}

.board-container {
    position: fixed;
    top: 100px;
    left: 20px;
    width: 45%;
    background: var(--primary-bg);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
}

#board {
    width: 100%;
    max-width: 600px;
}

.current-position, .position-info {
    background-color: var(--secondary-bg);
    color: var(--text);
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
}

#fen {
    background-color: var(--secondary-bg);
    color: var(--text);
    padding: 10px;
    border-radius: 4px;
    font-family: monospace;
    word-break: break-all;
    margin: 0;
    font-size: 14px;
}

.moves-container {
    margin-left: 48%;
    width: 50%;
    padding: 20px;
}

.moves-tree {
    max-height: 80vh;
    overflow-y: auto;
    padding-right: 15px;
    background-color: var(--primary-bg);
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.tree-controls {
    margin-bottom: 15px;
    display: flex;
    gap: 10px;
}

.move-node {
    padding: 8px;
    margin: 2px 0;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.move-node:hover {
    background-color: var(--hover-bg);
}

.move-node.selected {
    background-color: var(--selected-bg);
    border-left: 3px solid var(--selected-border);
}

.move-stats {
    color: var(--text);
    opacity: 0.7;
    display: block;
    font-size: 0.9em;
    margin-top: 4px;
}

.move-children {
    margin-left: 20px;
    border-left: 1px solid var(--hover-bg);
    display: none;
}

.submoves {
    margin-left: 20px;
    border-left: 2px solid var(--secondary-bg);
    padding-left: 10px;
    display: none;
}

.submoves.expanded {
    display: block;
}

.expand-btn {
    padding: 2px 6px;
    margin-left: 8px;
    border: 1px solid var(--accent);
    background: var(--primary-bg);
    color: var(--text);
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
    line-height: 1;
}

.expand-btn:hover {
    background: var(--hover-bg);
}

.statistics {
    background: var(--primary-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-top: 20px;
}

.no-moves, .error {
    padding: 20px;
    text-align: center;
    color: #666;
    font-style: italic;
}

.error {
    color: #f44336;
}

#status {
    color: var(--text) !important;
    margin-top: 10px;
}

/* Header e menu utente */
.header {
    position: fixed;
    top: 0;
    right: 0;
    padding: 10px;
    z-index: 2000;
    background: var(--primary-bg);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
}

#userEmail {
    font-weight: 500;
    color: var(--text);
}

.user-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--accent);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.user-icon img {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 45px;
    background-color: var(--primary-bg);
    min-width: 250px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 2001; /* Aumentato per essere sopra i controlli */
    border-radius: 4px;
}

.dropdown-content a {
    color: var(--text);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}

.dropdown-content a:hover {
    background-color: var(--hover-bg);
}

.show {
    display: block;
}

.email-display {
    padding: 12px 16px;
    border-bottom: 1px solid var(--hover-bg);
    font-weight: bold;
    color: var(--accent);
}

.theme-section {
    padding: 12px 16px;
    border-bottom: 1px solid var(--hover-bg);
}

.theme-section h4 {
    margin: 0 0 10px 0;
    color: var(--text);
}

.theme-selector {
    width: 100%;
    padding: 8px;
    border-radius: 4px;
    border: 1px solid var(--hover-bg);
    background-color: var(--primary-bg);
    color: var(--text);
    cursor: pointer;
}

.theme-selector:focus {
    outline: none;
    border-color: var(--accent);
}