:root {
    --bg-dark: #0f172a;
    --panel-bg: #1e293b;
    --panel-border: #334155;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --danger: #ef4444;
    --danger-hover: #f87171;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    user-select: none;
}

body {
    background: var(--bg-dark);
    color: var(--text-main);
    overflow: hidden;
    width: 100vw;
    height: 100vh;
}

#game-container {
    width: 100%;
    height: 100%;
    position: relative;
    background: var(--bg-dark);
}

canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
#sky-canvas { z-index: 1; }
#game-canvas { z-index: 2; }

/* Menus & Panels */
#main-menu-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    /* No AI Images! Let the actual Engine Canvas shine through! */
    background: transparent;
    z-index: -1; 
    transition: opacity 0.5s;
    pointer-events: none;
}
#main-menu-bg.hidden { opacity: 0; pointer-events: none; }

.retro-panel {
    background: rgba(30, 41, 59, 0.45);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.8), inset 0 0 20px rgba(255,255,255,0.05);
    padding: 2.5rem;
    text-align: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 100;
    max-height: 90vh;
    overflow-y: auto;
    width: 90%;
    max-width: 800px;
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes popIn {
    0% { transform: translate(-50%, -45%) scale(0.95); opacity: 0; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

.retro-panel.active { display: block; }
.retro-panel.hidden { display: none; }

.setup-section {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
}

.setup-title {
    color: var(--accent);
    font-size: 1.3rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 8px rgba(59,130,246,0.6);
}

.setup-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    gap: 20px;
}

.setup-group label {
    font-weight: 700;
    color: var(--text-dim);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.lobby-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    justify-content: center;
    margin-bottom: 15px;
}

/* Inputs & Buttons */
.retro-input, .retro-num, .retro-select {
    background: rgba(15, 23, 42, 0.85);
    color: var(--text-main);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 8px 12px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}
.retro-input:focus, .retro-select:focus {
    border-color: var(--accent);
}

.retro-num {
    width: 60px;
    height: 38px;
    text-align: center;
    pointer-events: none;
}

input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { 
  -webkit-appearance: none; 
  margin: 0; 
}

.retro-color {
    width: 60px; 
    height: 40px; 
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 6px;
    cursor: pointer;
    padding: 2px;
    background: rgba(15, 23, 42, 0.85);
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: all 0.2s;
}
.retro-color:hover {
    border-color: var(--accent);
}

.retro-btn {
    background: rgba(30, 41, 59, 0.9);
    color: var(--text-main);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}
.retro-btn:hover {
    background: var(--panel-border);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.2);
}
.retro-btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.sq-btn {
    width: 38px;
    height: 38px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    font-size: 1.2rem;
}

.huge-btn {
    font-size: 1.2rem;
    padding: 15px 30px;
    background: var(--accent);
    border-color: var(--accent);
}
.huge-btn:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.round-icon-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--danger);
    color: #fff;
    border: none;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(239, 68, 68, 0.4);
    transition: all 0.2s;
    outline: none;
}
.round-icon-btn svg {
    width: 24px;
    height: 24px;
}
.round-icon-btn:hover {
    background: var(--danger-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(239, 68, 68, 0.5);
}
.round-icon-btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 5px rgba(239, 68, 68, 0.3);
}

/* HUD System */
#hud {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 10;
    pointer-events: none;
}
#hud.hidden { display: none; }

#top-bar {
    position: absolute;
    top: 0; left: 0; width: 100%;
    background: rgba(30, 41, 59, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    pointer-events: auto;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.player-stat {
    width: 200px;
}
.player-stat span {
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.health-bar-container {
    width: 100%;
    height: 12px;
    background: var(--bg-dark);
    border-radius: 6px;
    margin-top: 8px;
    overflow: hidden;
}
.health-fill {
    height: 100%;
    width: 100%;
    transition: width 0.4s ease;
}

#wind-hud {
    font-size: 1rem;
    font-weight: 600;
    background: var(--bg-dark);
    border-radius: 8px;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Bottom Console */
#bottom-console {
    position: absolute;
    bottom: 0; left: 0; width: 100%;
    background: transparent;
    backdrop-filter: none;
    border-top: none;
    display: flex;
    flex-wrap: wrap; 
    justify-content: center;
    align-items: center;
    gap: 15px;
    padding: 10px;
    pointer-events: auto;
    box-shadow: none;
    min-height: auto;
}

.turn-indicator {
    position: absolute;
    bottom: 25px;
    background: rgba(0,0,0,0.4);
    color: #fff;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 1px;
    border: 1px solid #fff;
    transition: opacity 0.3s ease;
    z-index: 20;
    pointer-events: none;
}
#p1-turn-indicator { left: 20px; }
#p2-turn-indicator { right: 20px; }
.turn-indicator.hidden { opacity: 0; pointer-events: none; }

.hud-panel {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 4px 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    box-shadow: none;
    min-width: 140px;
}
.center-panel {
    min-width: 200px;
}

.stepper-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
}

.hud-panel label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-dim);
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.retro-select {
    width: 100%;
}

/* Modals */
.modal-overlay {
    position: absolute;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999;
    pointer-events: auto;
    transition: opacity 0.3s;
}
.modal-overlay.hidden { display: none; }