/* ===== VARIABLES & FONTS ===== */
:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #111827;
    --bg-tertiary: #1a1f3a;
    --border-color: #00ff41;
    --text-primary: #00ff41;
    --text-secondary: #00cc33;
    --text-dim: #008822;
    --highlight: #00ff88;
    --danger: #ff3333;
    --locked: #444444;
    --panel-bg: rgba(17, 24, 39, 0.9);
}

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

body {
    font-family: 'Courier New', monospace;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    line-height: 1.6;
}

/* ===== LAYOUT ===== */
#game-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
}

#header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background-color: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
}

.stat-display {
    display: flex;
    gap: 30px;
}

.stat-item {
    display: flex;
    gap: 8px;
}

.stat-label {
    color: var(--text-dim);
    font-weight: bold;
}

.stat-value {
    color: var(--text-primary);
    font-weight: bold;
    font-size: 1.1em;
    min-width: 80px;
}

.header-buttons {
    display: flex;
    gap: 10px;
}

.header-btn {
    padding: 8px 16px;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    transition: all 0.2s;
}

.header-btn:hover {
    background-color: var(--border-color);
    color: var(--bg-primary);
    box-shadow: 0 0 10px var(--border-color);
}

#main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ===== PANELS ===== */
#left-panel, #right-panel {
    width: 280px;
    background-color: var(--bg-secondary);
    border-right: 2px solid var(--border-color);
    overflow-y: auto;
    overflow-x: hidden;
}

#right-panel {
    border-right: none;
    border-left: 2px solid var(--border-color);
}

#center-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
}

.panel-section {
    padding: 20px;
    border-bottom: 1px solid var(--text-dim);
}

.section-title {
    color: var(--text-secondary);
    font-size: 0.9em;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

/* ===== CLICKER ===== */
#clicker-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.main-clicker {
    width: 120px;
    height: 120px;
    background-color: var(--bg-tertiary);
    border: 3px solid var(--border-color);
    color: var(--text-primary);
    font-size: 3em;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.1s;
    position: relative;
}

.main-clicker:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px var(--border-color);
}

.main-clicker:active {
    transform: scale(0.95);
    box-shadow: 0 0 30px var(--highlight);
}

.clicker-info {
    text-align: center;
    font-size: 0.85em;
    color: var(--text-dim);
}

.clicker-info p {
    margin: 5px 0;
}

.clicker-info span {
    color: var(--text-primary);
    font-weight: bold;
}

/* ===== BUILD MENU ===== */
#build-menu {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.build-item {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.build-item:hover {
    background-color: var(--border-color);
    color: var(--bg-primary);
    transform: translateX(5px);
}

.build-item.selected {
    background-color: var(--highlight);
    color: var(--bg-primary);
    border-color: var(--highlight);
    box-shadow: 0 0 15px var(--highlight);
}

.build-item.locked {
    opacity: 0.3;
    cursor: not-allowed;
}

.build-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
}

.build-name {
    font-weight: bold;
    font-size: 0.9em;
}

.build-cost {
    color: var(--text-secondary);
    font-size: 0.85em;
}

.build-desc {
    font-size: 0.8em;
    color: var(--text-dim);
}

.build-item:hover .build-desc {
    color: var(--bg-tertiary);
}

/* ===== CANVAS ===== */
.canvas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.canvas-controls {
    display: flex;
    gap: 10px;
}

.canvas-btn {
    padding: 6px 12px;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-size: 0.85em;
    transition: all 0.2s;
}

.canvas-btn:hover {
    background-color: var(--border-color);
    color: var(--bg-primary);
}

.canvas-btn.active {
    background-color: var(--danger);
    border-color: var(--danger);
}

#canvas-container {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

#factory-canvas {
    border: 2px solid var(--border-color);
    background-color: var(--bg-secondary);
    cursor: crosshair;
    max-width: 100%;
    max-height: 100%;
}

.canvas-tooltip {
    position: absolute;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    font-size: 0.85em;
    pointer-events: none;
    display: none;
    z-index: 1000;
}

.canvas-footer {
    padding: 10px 20px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.85em;
    color: var(--text-dim);
}

/* ===== TABS ===== */
.tab-buttons {
    display: flex;
    background-color: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    padding: 12px;
    background-color: transparent;
    color: var(--text-dim);
    border: none;
    border-right: 1px solid var(--border-color);
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-size: 0.85em;
    font-weight: bold;
    transition: all 0.2s;
}

.tab-btn:last-child {
    border-right: none;
}

.tab-btn:hover {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
}

.tab-btn.active {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

#tab-content {
    padding: 20px;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* ===== UPGRADES ===== */
.upgrade-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.upgrade-item {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.upgrade-item:hover {
    border-color: var(--highlight);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.upgrade-item.locked {
    opacity: 0.4;
    cursor: not-allowed;
}

.upgrade-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
}

.upgrade-name {
    font-weight: bold;
    font-size: 0.9em;
}

.upgrade-cost {
    color: var(--text-secondary);
    font-size: 0.85em;
}

.upgrade-desc {
    font-size: 0.8em;
    color: var(--text-dim);
    margin-bottom: 5px;
}

.upgrade-level {
    font-size: 0.75em;
    color: var(--text-secondary);
}

/* ===== ACHIEVEMENTS ===== */
.achievement-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.achievement-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    align-items: center;
}

.achievement-item.locked {
    opacity: 0.4;
    border-color: var(--locked);
}

.achievement-icon {
    width: 40px;
    height: 40px;
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    flex-shrink: 0;
}

.achievement-item.locked .achievement-icon {
    border-color: var(--locked);
    color: var(--locked);
}

.achievement-info {
    flex: 1;
}

.achievement-name {
    font-weight: bold;
    font-size: 0.9em;
    margin-bottom: 3px;
}

.achievement-desc {
    font-size: 0.8em;
    color: var(--text-dim);
}

/* ===== STATS ===== */
.stats-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: 10px;
    background-color: var(--bg-tertiary);
    border-left: 3px solid var(--border-color);
}

.stat-name {
    font-size: 0.85em;
    color: var(--text-dim);
}

.stat-number {
    font-weight: bold;
    color: var(--text-primary);
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 2px solid var(--border-color);
}

.modal-header h2 {
    color: var(--text-secondary);
    font-size: 1.2em;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2em;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 30px;
    height: 30px;
}

.close-modal:hover {
    color: var(--danger);
}

.modal-body {
    padding: 20px;
}

.setting-item {
    padding: 15px 0;
    border-bottom: 1px solid var(--text-dim);
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-item label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.setting-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.modal-btn {
    padding: 10px 20px;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    margin-right: 10px;
    transition: all 0.2s;
}

.modal-btn:hover {
    background-color: var(--border-color);
    color: var(--bg-primary);
}

.modal-btn.danger {
    border-color: var(--danger);
    color: var(--danger);
}

.modal-btn.danger:hover {
    background-color: var(--danger);
    color: white;
}

/* ===== ANIMATIONS ===== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.click-feedback {
    animation: pulse 0.3s ease-out;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    #left-panel, #right-panel {
        width: 240px;
    }
}

@media (max-width: 900px) {
    #main-content {
        flex-direction: column;
    }
    
    #left-panel, #right-panel {
        width: 100%;
        max-height: 200px;
        border: none;
        border-bottom: 2px solid var(--border-color);
    }
    
    #center-panel {
        flex: 1;
    }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--highlight);
}