:root {
    --bg-color: #558B2F; /* Lighter, more vibrant grass green */
    --ui-bg: rgba(44, 62, 80, 0.85);
    --modal-bg: #2c3e50;
    --text-color: #ecf0f1;
    --accent-color: #e0218a; /* Magenta */
    --money-color: #f39c12;
    --border-color: #566573;
    --btn-bg: #e0218a; /* Magenta */
    --btn-hover: #c71b79;
    --btn-active: #ad186a;
    --sell-btn-bg: #2ecc71;
    --sell-btn-hover: #27ae60;
    --delete-btn-bg: #e74c3c;
    --cancel-btn-bg: #7f8c8d;
}

* { margin: 0; padding: 0; box-sizing: border-box; touch-action: none; }
html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #1a1a1a;
    color: var(--text-color);
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}

#game-background {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-size: cover;
    background-position: center;
    filter: brightness(0.5);
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}
#game-background.visible {
    opacity: 1;
}

#game-container { position: absolute; inset: 0; z-index: 1; }
#game-area {
    position: absolute;
    inset: 0;
}
#gameCanvas { display: block; width: 100%; height: 100%; background-color: transparent; cursor: grab; }
#gameCanvas.is-panning { cursor: grabbing; }
#gameCanvas.tool-place { cursor: crosshair; }

/* --- Lobby Styles --- */
#lobby-container {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(40, 40, 40, 0.85);
    backdrop-filter: blur(10px);
    color: white; border-radius: 12px; z-index: 100;
    width: 90%; max-width: 900px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.lobby-content-wrapper { display: flex; }
#lobby-main-panel { flex: 2; padding: 25px 30px; display: flex; flex-direction: column; }
#lobby-sidebar { flex: 1; padding: 25px 30px; border-left: 1px solid rgba(255, 255, 255, 0.15); min-width: 280px; }
#lobby-container h2, #lobby-container h3, #lobby-container h4 { margin-top: 0; text-align: center; }
#lobby-container h2 { margin-bottom: 20px; color: #eee; font-weight: 500; }
#lobby-container h3 { margin-bottom: 15px; font-weight: 500; border-bottom: 1px solid #555; padding-bottom: 10px; }
#lobby-container h4 { margin-top: 10px; margin-bottom: 15px; color: #ddd; font-size: 1.1em; font-weight: 500; }
#lobby-container .tabs { display: flex; margin-bottom: 20px; border-bottom: 1px solid #555; }
#lobby-container .tabs button { flex: 1; padding: 10px; border: none; background: none; color: #aaa; font-size: 1.1em; cursor: pointer; transition: color 0.2s, border-bottom 0.2s; border-bottom: 3px solid transparent; }
#lobby-container .tabs button.active { color: #fff; font-weight: bold; border-bottom-color: var(--accent-color); }
#lobby-container .form-row { display: flex; gap: 15px; }
#lobby-container .form-row > .input-group { flex: 1; margin: 0; }
#lobby-container .input-group { display: flex; flex-direction: column; align-items: stretch; margin-bottom: 15px; text-align: left; }
#lobby-container label { margin-bottom: 8px; font-size: 1em; flex-shrink: 0; }
#lobby-container input { width: 100%; padding: 8px; border-radius: 5px; border: 1px solid #555; background-color: #333; color: #fff; font-size: 1em; box-sizing: border-box; }
#lobby-container .player-config { margin-bottom: 20px; }
input[type="color"] { appearance: none; -webkit-appearance: none; -moz-appearance: none; width: 100%; height: 38px; background-color: transparent; border: none; cursor: pointer; }
input[type="color"]::-webkit-color-swatch { border-radius: 5px; border: 1px solid #555; }
input[type="color"]::-moz-color-swatch { border-radius: 5px; border: 1px solid #555; }
#start-game-btn { margin-top: 15px; width: 100%; padding: 12px 25px; border: none; border-radius: 8px; background-color: var(--accent-color); color: white; font-size: 1.1em; font-weight: bold; cursor: pointer; transition: background-color 0.2s; }
#start-game-btn:hover:not(:disabled) { background-color: var(--btn-hover); }
#start-game-btn:disabled { background-color: #555; cursor: not-allowed; }
#lobby-error { color: #ff4d4d; background-color: rgba(255, 77, 77, 0.15); border: 1px solid rgba(255, 77, 77, 0.3); border-radius: 8px; padding: 10px; text-align: center; margin-top: 20px; font-size: 0.95em; }
#game-list { list-style: none; padding: 0; margin: 0; max-height: 400px; overflow-y: auto; }
#game-list li.game-list-item { background-color: rgba(255, 255, 255, 0.05); border-radius: 6px; padding: 12px 15px; margin-bottom: 10px; cursor: pointer; transition: background-color 0.2s; }
#game-list li.game-list-item:hover { background-color: rgba(224, 33, 138, 0.2); }
#game-list .game-list-header { display: flex; justify-content: space-between; width: 100%; align-items: center; }
#game-list .game-name { font-weight: bold; }
#game-list .game-details { color: #bbb; font-size: 0.9em; }
#game-list .game-player-list { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 8px; }


/* --- Game UI --- */
#cursors-container { position: absolute; inset: 0; pointer-events: none; z-index: 50; }
#ui-container { position: absolute; inset: 0; pointer-events: none; z-index: 100; }
.ui-btn, button, #bank-container, #player-list-container { pointer-events: auto; }

#top-bar {
    position: absolute; top: 0; left: 0; right: 0;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: start;
    padding: 15px;
    gap: 15px;
    background: linear-gradient(to bottom, rgba(0,0,0,0.5), transparent);
}
#top-left-ui, #top-right-ui {
    display: flex;
    align-items: center;
    gap: 15px;
}
#top-left-ui { justify-content: flex-start; grid-column: 1; flex-direction: row; }
#top-right-ui { justify-content: flex-end; grid-column: 3; flex-direction: row; }
#top-left-ui > * {
    align-items: center;
}

#top-center-ui {
    grid-column: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    background: var(--ui-bg);
    backdrop-filter: blur(5px);
    padding: 10px 20px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

#money-container, #bank-container {
    background: var(--ui-bg); backdrop-filter: blur(5px);
    padding: 10px 20px; border-radius: 20px;
    font-size: 1.2em; font-weight: bold;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    color: var(--money-color);
    white-space: nowrap;
}

#bank-container {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 10px 15px;
}
#gift-counter-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0;
    font-size: 1.1em;
    font-weight: bold;
    width: 100%;
    justify-content: center;
}

#win-message {
    font-size: 1.2em;
    font-weight: bold;
    color: var(--money-color);
    padding-top: 5px;
    padding-bottom: 8px;
}

#timers-container {
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    width: 100%;
    padding-top: 8px;
    gap: 20px;
    border-top: 1px solid var(--border-color);
}


#total-time-container, #game-timer-container, #reset-counter-container {
    background: none;
    padding: 0;
    border-radius: 0;
    font-size: 1em;
    font-weight: bold;
    border: none;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    text-align: center;
    color: var(--text-color);
    white-space: nowrap;
}

.timer-label {
    font-size: 0.7em;
    font-weight: normal;
    color: #95a5a6; /* A bit more muted */
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#game-timer,
#total-time,
#reset-counter {
    font-size: 1.2em;
}

.gift-counter-item {
    display: flex;
    align-items: center;
    padding: 0 15px;
    border-right: 1px solid var(--border-color);
}
.gift-counter-item:last-child {
    border-right: none;
}
.gift-counter-item.normal { color: #cd7f32; } /* Copper */
.gift-counter-item.rare { color: #ffd700; } /* Gold */
.gift-counter-item.epic { color: #b9f2ff; } /* Diamond */

.gift-counter-item span {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.gift-counter-item svg {
    width: 1.5em;
    height: 1.5em;
}

#player-list {
    overflow-y: auto;
    flex-grow: 1;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) var(--ui-bg);
}
.player-list-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 0.9em;
    transition: opacity 0.3s ease;
}
.player-list-item:last-child { margin-bottom: 0; }
.player-color-dot {
    width: 12px; height: 12px; border-radius: 50%;
    flex-shrink: 0; border: 1px solid rgba(0,0,0,0.5);
}
.player-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.player-name { font-weight: bold; }
.player-money { font-size: 0.9em; color: var(--money-color); }
.player-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}
.player-status.online {
    background-color: #2ecc71;
}
.player-status.offline {
    background-color: #95a5a6;
}

#bottom-center-ui {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 15px;
    pointer-events: none;
}
.toolbar-actions {
    display: flex;
    gap: 10px;
    pointer-events: auto;
}

#toolbar {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    display: flex;
    gap: 10px;
    background: var(--ui-bg); backdrop-filter: blur(5px);
    padding: 10px; border-radius: 15px; pointer-events: auto;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
}
.tool-btn {
    width: 50px; height: 50px; font-size: 24px;
    background-color: var(--border-color);
    border: 2px solid transparent; border-radius: 10px;
    color: var(--text-color); cursor: pointer; transition: all 0.2s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}
.tool-btn:hover { background-color: #7f8c8d; }
.tool-btn.active { border-color: var(--accent-color); background-color: var(--btn-active); }
.tool-btn.display-only:hover {
    background-color: var(--border-color); /* Same as default, no change */
    cursor: default;
}


.tool-count {
    position: absolute;
    bottom: 2px;
    right: 4px;
    font-size: 14px;
    font-weight: bold;
    text-shadow: 1px 1px 2px black;
    color: var(--money-color);
}

#left-panels { position: absolute; bottom: 20px; left: 20px; display: flex; flex-direction: column; gap: 10px; }
#inventory-container, #warehouse-container {
    width: 270px;
    background: var(--ui-bg); backdrop-filter: blur(5px);
    border-radius: 15px; border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    pointer-events: auto; padding: 10px;
}
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.panel-header > div { display: flex; gap: 10px; align-items: center; }
.panel-header h4 { font-size: 1.1em; }
#inventory-slots, #warehouse-slots {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
    gap: 5px;
    max-height: 120px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) var(--ui-bg);
}
.inventory-slot {
    width: 50px; height: 50px; background: rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    border-radius: 8px; position: relative;
    display: flex; justify-content: center; align-items: center;
    font-size: 20px;
    cursor: grab;
    padding-bottom: 10px;
}
.inventory-slot:active { cursor: grabbing; }
.inventory-slot svg {
    width: 80%;
    height: 80%;
    object-fit: contain;
}
.item-count {
    position: absolute; bottom: 2px; right: 4px;
    font-size: 14px; font-weight: bold; text-shadow: 1px 1px 2px black;
}
.inventory-slot.is-tool .item-count {
    color: var(--money-color);
}
.inventory-slot .durability-bar {
    position: absolute;
    top: 3px;
    left: 10%;
    width: 80%;
    height: 5px;
    background-color: rgba(0,0,0,0.5);
    border-radius: 2px;
}
.inventory-slot .durability-bar-inner {
    height: 100%;
    background-color: var(--money-color);
    border-radius: 2px;
    transition: width 0.2s;
}
#delete-item-area {
    background-color: transparent;
    border: 2px dashed var(--border-color);
    color: var(--text-color);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    padding: 0;
    font-size: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    line-height: 1;
    transition: all 0.2s;
}
#delete-item-area svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    pointer-events: none;
}
#delete-item-area:hover {
    color: var(--delete-btn-bg);
    border-color: var(--delete-btn-bg);
}
#delete-item-area.is-droppable-target {
    background-color: rgba(231, 76, 60, 0.2);
    border-color: var(--delete-btn-bg);
    border-style: solid;
    transform: scale(1.1);
}


/* --- Chat --- */
@keyframes flash-border {
    50% { border-color: var(--accent-color); box-shadow: 0 0 10px var(--accent-color); }
}
#chat-container.new-message-flash {
    animation: flash-border 1s ease-in-out;
}
#chat-container {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 280px;
    background: var(--ui-bg);
    backdrop-filter: blur(5px);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    display: flex;
    flex-direction: column;
    pointer-events: auto;
}
#chat-messages {
    height: 150px;
    overflow-y: auto;
    padding: 10px;
    font-size: 0.9em;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) var(--ui-bg);
}
#chat-messages li {
    margin-bottom: 5px;
    word-wrap: break-word;
}
#chat-messages .player-name { font-weight: bold; }
#chat-messages .system-message { color: #95a5a6; font-style: italic; }
#chat-form { display: flex; border-top: 1px solid var(--border-color); }
#chat-input {
    flex-grow: 1;
    border: none;
    background: transparent;
    padding: 10px;
    color: var(--text-color);
}
#chat-input:focus { outline: none; }
#chat-form button {
    background: transparent;
    border: none;
    color: var(--accent-color);
    font-weight: bold;
    padding: 0 15px;
    cursor: pointer;
}


/* --- Modals --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 200;
}
.modal-content {
    background: var(--modal-bg);
    border-radius: 15px;
    padding: 20px;
    width: 90%;
    max-width: 600px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 15px;
}
.modal-header h2 { font-size: 1.5em; }
.modal-close-btn { background: none; border: none; color: var(--text-color); font-size: 2em; cursor: pointer; }
.modal-body { overflow-y: auto; }

/* Shop Modal */
#shop-items { display: flex; flex-direction: column; gap: 10px; }
.shop-section-header {
    font-size: 1.1em;
    font-weight: bold;
    color: var(--accent-color);
    margin-top: 10px;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--border-color);
}
.shop-items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    padding-top: 10px;
}
.shop-item {
    background: var(--ui-bg);
    border-radius: 10px;
    padding: 10px;
    text-align: center;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}
.shop-item.locked { opacity: 0.6; }
.shop-item h3 { font-size: 1em; margin-bottom: 5px; }
.shop-item-icon { font-size: 2.5em; margin: 10px 0; }
.shop-item-icon svg { width: 1.5em; height: 1.5em; }
.shop-item p { font-size: 0.8em; color: #bdc3c7; flex-grow: 1; margin-bottom: 10px; }
.shop-cost { font-weight: bold; color: var(--money-color); margin-bottom: 10px; }
.shop-item button { width: 100%; padding: 10px; border: none; border-radius: 8px; background: var(--btn-bg); color: white; font-weight: bold; cursor: pointer; }
.shop-item button:hover:not(:disabled) { background: var(--btn-hover); }
.shop-item button:disabled { background: #555; cursor: not-allowed; }

/* Sell Modal */
.sell-item-row {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    gap: 10px;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}
.sell-item-controls { display: flex; align-items: center; }
.sell-qty-btn { width: 30px; height: 30px; }
.sell-qty-input { width: 50px; text-align: center; }
#sell-summary { display: flex; justify-content: space-between; align-items: center; margin-top: 15px; font-size: 1.1em; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }
.modal-actions button { padding: 10px 20px; }
#sell-confirm-btn { background: var(--sell-btn-bg); }
#sell-confirm-btn:hover:not(:disabled) { background: var(--sell-btn-hover); }
#sell-cancel-btn { background: var(--cancel-btn-bg); }

/* Research Modal */
#research-tree { display: flex; flex-direction: column; gap: 20px; }
.research-tier h3 {
    color: var(--accent-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
    margin-bottom: 10px;
}
.research-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 10px;
}
.research-item {
    background: var(--ui-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px;
}
.research-item.locked { opacity: 0.6; }
.research-item.unlocked { border-color: var(--sell-btn-bg); }
.research-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.research-icon { font-size: 1.5em; }
.research-icon svg { width: 1.2em; height: 1.2em; }
.research-name { font-weight: bold; flex-grow: 1; }
.research-status.unlocked { color: var(--sell-btn-bg); }
.research-status.locked { color: #bdc3c7; }
.research-item ul { list-style: none; padding-left: 15px; font-size: 0.9em; }
.research-item ul li.met::before { content: '✔ '; color: var(--sell-btn-bg); }
.research-item ul li.unmet::before { content: '✖ '; color: var(--delete-btn-bg); }
.research-item button { margin-top: 10px; width: 100%; padding: 8px; }

/* Help Modal */
#help-modal h3 { color: var(--accent-color); margin-bottom: 10px; }
#help-modal ul { list-style-position: inside; padding-left: 0; }
#help-modal ul li { margin-bottom: 8px; }
#help-modal ul ul { padding-left: 20px; margin-top: 5px; }

/* --- Context Menu --- */
#context-menu {
    position: fixed;
    background: var(--modal-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.5);
    padding: 10px;
    z-index: 1000;
    display: none;
    flex-direction: column;
    gap: 5px;
    min-width: 220px;
}
#context-menu button {
    width: 100%;
    padding: 10px;
    text-align: left;
    background: #34495e;
    color: var(--text-color);
    border: none;
    border-radius: 5px;
}
#context-menu button:hover:not(:disabled) { background: #4a6680; }
#context-menu button.demolish-btn { background: var(--delete-btn-bg); }
#context-menu button.demolish-btn:hover:not(:disabled) { background: #c0392b; }
#context-menu .context-menu-header { font-size: 1.1em; font-weight: bold; padding: 5px; }
#context-menu .context-menu-info { font-size: 0.9em; padding: 5px; color: #bdc3c7; }
#context-menu .context-menu-info .description { font-style: italic; }
#context-menu hr { border: none; border-top: 1px solid var(--border-color); margin: 5px 0; }
.upgrade-details {
    font-size: 0.8em;
    color: #95a5a6;
    padding-left: 10px;
    margin-top: -5px;
    margin-bottom: 5px;
}
.context-menu-toggle { display: flex; justify-content: space-between; align-items: center; padding: 5px; }