:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --card-header: #334155;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --border: #334155;
    --success: #10b981;
    --danger: #ef4444;
    --accent: #f59e0b;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', system-ui, sans-serif; }

body {
    background: var(--bg-color);
    color: var(--text-main);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.app {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
}

/* Header */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    padding: 1rem 1.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    border: 1px solid var(--border);
}

.brand {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.brand h1 { 
    font-size: 1.5rem; 
    background: linear-gradient(45deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.resort-selector {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: 0.95rem;
    background: var(--bg-color);
    color: var(--text-main);
    cursor: pointer;
    transition: all 0.2s;
}

.resort-selector:hover { border-color: var(--primary); }
.resort-selector:focus { outline: 2px solid var(--primary); }

.stats {
    display: flex;
    gap: 2rem;
}

.stat { display: flex; flex-direction: column; align-items: flex-end; }
.stat .label { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 2px; }
.stat .value { font-size: 1.2rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.income-stat .value { color: var(--success); text-shadow: 0 0 10px rgba(16, 185, 129, 0.2); }
.expense-stat .value { color: var(--danger); text-shadow: 0 0 10px rgba(239, 68, 68, 0.2); }

/* Main Grid */
.main-grid {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 1rem;
    flex: 1;
    min-height: 0;
}

.card {
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--border);
}

.card h2 {
    padding: 1rem 1.5rem;
    background: var(--card-header);
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Controls */
.controls { display: flex; flex-direction: column; }

.tabs {
    display: flex;
    background: var(--bg-color);
    padding: 0.5rem;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    border-radius: 8px;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.2s;
}

.tab-btn:hover { background: rgba(255,255,255,0.05); color: var(--text-main); }

.tab-btn.active {
    background: var(--card-bg);
    color: var(--primary);
    border-color: var(--border);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.tab-content {
    display: none;
    padding: 1rem;
    overflow-y: auto;
    flex: 1;
    gap: 0.75rem;
}
/* Scrollbar Styling */
.tab-content::-webkit-scrollbar { width: 8px; }
.tab-content::-webkit-scrollbar-track { background: var(--bg-color); }
.tab-content::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.tab-content::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

.tab-content.active { display: flex; flex-direction: column; }

.build-btn {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
    position: relative;
    overflow: hidden;
}

.build-btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 4px; height: 100%;
    background: var(--primary);
    opacity: 0;
    transition: opacity 0.2s;
}

.build-btn:hover:not(:disabled) {
    background: rgba(255,255,255,0.08);
    transform: translateX(4px);
    border-color: var(--primary);
}

.build-btn:hover:not(:disabled)::before { opacity: 1; }

.build-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: rgba(0,0,0,0.2);
    border-color: transparent;
}

.btn-icon { 
    font-size: 2rem; 
    background: rgba(255,255,255,0.05);
    width: 50px; height: 50px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 10px;
}
.btn-info { display: flex; flex-direction: column; gap: 2px; }
.btn-name { font-weight: 700; color: var(--text-main); font-size: 1rem; }
.btn-cost { color: var(--accent); font-weight: 600; font-family: monospace; }
.btn-count { font-size: 0.8rem; color: var(--text-muted); background: rgba(0,0,0,0.2); padding: 2px 6px; border-radius: 4px; align-self: flex-start; }

/* Animation */
.animation-section { position: relative; }
.animation-container {
    flex: 1;
    background: #000;
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 0 0 16px 16px;
    overflow: hidden;
}

canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Footer */
.bottom-bar {
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.news-log-wrapper { flex: 1; display: flex; flex-direction: column; gap: 0.5rem; }
.news-log-wrapper h3 { font-size: 0.8rem; text-transform: uppercase; color: var(--text-muted); letter-spacing: 0.05em; }

.news-log {
    height: 60px;
    overflow-y: auto;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem;
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    font-family: monospace;
}

.news-item { margin-bottom: 4px; padding-bottom: 4px; border-bottom: 1px dashed rgba(255,255,255,0.1); }
.news-item:last-child { border-bottom: none; }
.news-item.success { color: var(--success); }
.news-item.info { color: var(--primary); }
.news-item.alert { color: var(--danger); }

.footer-actions { display: flex; gap: 1rem; }

.action-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    background: var(--primary);
    color: white;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.3);
}

.action-btn:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 6px 12px rgba(59, 130, 246, 0.4); }
.action-btn.secondary { background: var(--card-header); color: var(--text-muted); box-shadow: none; }
.action-btn.secondary:hover { background: var(--border); color: var(--text-main); }

@media (max-width: 1024px) {
    .main-grid { grid-template-columns: 1fr; grid-template-rows: auto 400px; }
}

@media (max-width: 768px) {
    .top-bar { flex-direction: column; align-items: stretch; gap: 1rem; }
    .stats { justify-content: space-between; overflow-x: auto; padding-bottom: 0.5rem; }
    .build-btn { grid-template-columns: 1fr auto; }
    .btn-icon { display: none; }
}