:root {
	--transition-1: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
	--transition-2: all 0.2s ease-in-out;
    --background-color: #fafafa;
    --text-color: #111827;
    --text-muted: #6b7280;
    --border-color: #e5e7eb;
    --accent-color: #ea580c;
    --accent-light: #ffedd5;
    
    --box-shadow-rgb: 0, 0, 0;
    --shadow-sm: 0 10px 20px -10px rgba(var(--box-shadow-rgb), 0.14);
    --shadow-md: 0 18px 40px -18px rgba(var(--box-shadow-rgb), 0.18);
    --shadow-lg: 0 28px 70px -28px rgba(var(--box-shadow-rgb), 0.22);
    
    --budget-active: #22c55e;
    --budget-warning: #eab308;
    --budget-danger: #ef4444;
}
* { box-sizing: border-box; }
html {
	font-size: 16px;
	font-family: 'Outfit', system-ui, sans-serif;
    scroll-behavior: smooth;
}
body {
	margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    justify-content: center;
}
.gradient-bg {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(234, 88, 12, 0.05) 0%, transparent 55%),
        radial-gradient(circle at 70% 80%, rgba(234, 88, 12, 0.05) 0%, transparent 55%),
        radial-gradient(circle, rgba(var(--box-shadow-rgb), 0.04) 1px, transparent 1px);
    background-size: auto, auto, 26px 26px;
    z-index: -1;
}
.container {
    width: 100%;
    max-width: 1000px;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}
/* Header */
.header {
    text-align: center;
    margin-bottom: 1.5rem;
    position: relative;
    width: 100%;
}
.back-link {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    text-decoration: none;
    font-weight: 700;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition-2);
}
.back-link:hover { color: var(--accent-color); }
h1 {
    font-weight: 900;
    font-style: italic;
    font-size: 3rem;
    margin: 0 0 0.5rem;
	color: var(--text-color);
    letter-spacing: -0.04em;
}
h3 {
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--text-muted);
    margin: 0;
}
/* Budget Panel */
.budget-panel {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
    width: 100%;
    max-width: 400px;
}
.budget-label {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}
.budget-amount {
    font-family: 'JetBrains Mono', monospace;
    font-size: 3rem;
    font-weight: 800;
    color: var(--budget-active);
    transition: color 0.3s ease;
    line-height: 1;
    margin-bottom: 1rem;
}
.budget-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 999px;
    overflow: hidden;
}
.budget-fill {
    height: 100%;
    background: var(--budget-active);
    border-radius: 999px;
    transition: width 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.3s ease;
}
/* Grid Board */
.board-wrapper {
    width: 100%;
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.25rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    backdrop-filter: blur(8px);
    overflow-x: auto;
}
.grid-headers,
.grid-body {
    min-width: 620px;
}
.grid-headers {
    display: grid;
    grid-template-columns: 50px repeat(5, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.header-col {
    text-align: center;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--text-color);
    padding: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}
.header-col:first-child { border: none; color: transparent; } /* Hidden corner cell */
.grid-body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.grid-row {
    display: grid;
    grid-template-columns: 50px repeat(5, 1fr);
    gap: 0.5rem;
    align-items: stretch;
}
.row-price {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--accent-color);
    background: var(--accent-light);
    border-radius: 12px;
}
/* Player Cards */
.player-card {
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-1);
    position: relative;
    user-select: none;
    min-height: 80px;
}
.player-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    border-color: var(--text-muted);
}
.player-card.selected {
    background: var(--text-color);
    border-color: var(--text-color);
    color: var(--background-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.player-name {
    font-size: 0.85rem;
    font-weight: 700;
    line-height: 1.2;
}
.player-card.selected .player-name { color: var(--background-color); }
.player-card.empty {
    cursor: not-allowed;
    opacity: 0.45;
}
/* Controls */
.controls {
    display: flex;
    gap: 2rem;
    align-items: center;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
}
.action-button {
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 50px;
    padding: 1rem 2rem;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-1);
    border: none;
    background: var(--text-color);
    color: var(--background-color);
}
.action-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background-color: var(--accent-color);
    color: #fff;
}
.action-button.secondary {
    background: transparent;
    color: var(--text-color);
    border: 2px solid var(--border-color);
}
.action-button.secondary:hover:not(:disabled) {
    transform: translateY(-2px);
    border-color: var(--accent-color);
    color: var(--accent-color);
}
.action-button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none !important;
}
/* Simulation results */
.sim-result {
    width: 100%;
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    text-align: center;
}
.sim-result.hidden { display: none; }
.sim-result h3 { margin: 0 0 1rem; font-size: 1.5rem; }
.sim-scores {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}
.sim-score-card {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 140px;
}
.sim-score-card.winner {
    border-color: var(--budget-active);
    background: rgba(34, 197, 94, 0.08);
}
.sim-label { font-weight: 800; font-size: 0.85rem; color: var(--text-muted); }
.sim-wins { font-size: 1.4rem; font-weight: 900; }
.sim-pv { font-size: 0.85rem; color: var(--text-muted); }
.sim-vs { font-weight: 900; color: var(--text-muted); }
.sim-margin { font-size: 0.9rem; color: var(--text-muted); margin: 0.5rem 0; }
.sim-rosters {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    text-align: left;
    margin: 1rem 0;
}
.sim-team h4 { margin: 0 0 0.5rem; font-size: 0.9rem; }
.sim-team ul { margin: 0; padding-left: 1.2rem; font-size: 0.85rem; line-height: 1.6; }
.sim-formula { font-size: 0.75rem; color: var(--text-muted); margin: 0; }
@media (max-width: 600px) {
    .sim-rosters { grid-template-columns: 1fr; }
}
/* Custom Toggle */
.toggle-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
}
.toggle-text {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: color 0.3s ease;
}
.toggle-container[data-state="current"] .toggle-text:last-child { color: var(--text-color); }
.toggle-container[data-state="all-time"] .toggle-text:first-child { color: var(--text-color); }
.toggle-track {
    width: 60px;
    height: 32px;
    background: var(--border-color);
    border-radius: 50px;
    position: relative;
    transition: var(--transition-2);
}
.toggle-knob {
    width: 24px;
    height: 24px;
    background: var(--background-color);
    border-radius: 50%;
    position: absolute;
    top: 4px;
    left: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.toggle-container[data-state="current"] .toggle-track { background: var(--accent-color); }
.toggle-container[data-state="current"] .toggle-knob { transform: translateX(28px); }
/* Shake Animation for exceeding budget */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}
.shake { animation: shake 0.4s ease-in-out; border-color: var(--budget-danger) !important; color: var(--budget-danger) !important; }
/* Responsive adjustments */
@media (max-width: 800px) {
    .back-link {
        position: static;
        transform: none;
        display: inline-block;
        margin-bottom: 1rem;
    }
    .header { margin-bottom: 1rem; }
    .grid-headers { grid-template-columns: 35px repeat(5, 1fr); gap: 0.25rem; }
    .grid-row { grid-template-columns: 35px repeat(5, 1fr); gap: 0.25rem; }
    .player-card { padding: 0.4rem; min-height: 60px; border-radius: 8px; }
    .player-name { font-size: 0.65rem; }
    .row-price { font-size: 0.9rem; border-radius: 8px; }
    .header-col { font-size: 0.8rem; padding: 0.25rem; }
    .container { padding: 1rem 0.5rem; }
    h1 { font-size: 2rem; }
}