:root {
    /* Default: Minimalist Dark Theme (Zinc Palette) */
    --bg-body: #09090b;
    --bg-card: #18181b;
    --bg-slot: #121212;
    
    --border-subtle: #27272a;
    --border-active: #52525b;
    
    --text-main: #fafafa;
    --text-muted: #a1a1aa;
    
    --accent-primary: #ffffff;
    --accent-bg: #000000;
    
    --success: #10b981;
    --error: #ef4444;
    --gold: #fbbf24;
}

* {
    box-sizing: border-box;
    user-select: none;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    overflow: hidden;
    transition: background-color 0.8s ease, color 0.5s ease;
}

/* --- LAYOUT WRAPPER --- */
.game-wrapper {
    width: 100%;
    max-width: 500px;
    padding: 40px 20px;
    text-align: center;
    position: relative;
    z-index: 10;
}

/* --- NAVIGATION --- */
.top-menu-link {
    position: absolute;
    top: 25px;
    left: 25px; /* Moved to Upper Left */
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1.2rem; /* Increased size */
    font-weight: 500;
    cursor: pointer;
    z-index: 20;
    transition: all 0.2s ease;
    display: none; 
}
.top-menu-link:hover { 
    color: var(--text-main); 
    transform: translateX(-3px);
}

/* --- MAIN MENU STYLES --- */
#main-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    animation: fadeIn 0.5s ease;
}

#game-interface {
    display: none; /* Hidden by default */
    animation: fadeIn 0.5s ease;
}

.menu-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: -2px;
}

.menu-subtitle {
    color: var(--text-muted);
    margin-bottom: 50px;
}

.menu-btn-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 100%;
    max-width: 250px;
}

.menu-btn {
    background: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border-subtle);
    padding: 16px;
    font-size: 1rem;
    border-radius: 8px;
    transition: all 0.2s;
}

.menu-btn:hover:not(:disabled) {
    border-color: var(--text-main);
    background: var(--border-subtle);
    transform: translateY(-2px);
}

.menu-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: transparent;
}

/* --- GAME HEADER --- */
header { margin-bottom: 30px; transition: opacity 0.5s; }
header h1 { font-weight: 700; margin: 0; font-size: 1.5rem; color: var(--text-main); }
header p { color: var(--text-muted); margin-top: 8px; font-size: 0.9rem; }

/* --- STAGE AREA --- */
.roll-stage { display: flex; justify-content: center; margin-bottom: 30px; flex-direction: column; align-items: center; transition: opacity 0.5s; }
.roll-card { display: flex; flex-direction: column; align-items: center; justify-content: center; }

.number-display {
    font-size: 5rem; font-weight: 300; line-height: 1; margin: 0;
    color: var(--text-main); font-variant-numeric: tabular-nums;
    letter-spacing: -2px; min-height: 80px; display: inline-block;
    transition: color 0.1s ease;
}
.rolling .number-display { opacity: 0.8; }

/* Critical Text Color for Roll 10 */
.number-display.crit-text { 
    color: var(--error) !important; 
    text-shadow: 0 0 30px rgba(239, 68, 68, 0.3); 
}

/* --- BUTTONS --- */
button {
    border: none; padding: 14px 28px; border-radius: 6px;
    font-weight: 500; font-size: 0.9rem; cursor: pointer;
    font-family: inherit; transition: all 0.3s ease;
}

#roll-btn { background: var(--accent-primary); color: var(--accent-bg); margin-top: 20px; width: 100%; max-width: 200px; }
#roll-btn:hover:not(:disabled) { opacity: 0.9; transform: translateY(-2px); }
#roll-btn:disabled { background: var(--border-subtle); color: var(--text-muted); cursor: not-allowed; transform: none; }

/* --- SKIP BUTTON --- */
#skip-container {
    height: 40px;
    margin-top: 10px;
}
.skip-btn {
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    padding: 8px 16px;
    font-size: 0.8rem;
    display: none; 
}
.skip-btn:hover:not(:disabled) {
    border-color: var(--text-main);
    color: var(--text-main);
}
.skip-btn span {
    font-family: 'JetBrains Mono', monospace;
    background: var(--border-subtle);
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 6px;
    font-size: 0.7rem;
}

/* --- FOOTER / RESET --- */
footer { margin-top: 40px; }
.secondary-btn {
    background: transparent; color: var(--text-muted);
    border: 1px solid var(--border-subtle); font-size: 0.8rem;
    min-width: 140px;
}
.secondary-btn:hover { border-color: var(--text-main); color: var(--text-main); }

/* --- SLOTS GRID --- */
.slots-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 10px; transition: opacity 0.5s, filter 0.5s; }

.slots-grid.large-grid { grid-template-columns: repeat(5, 1fr); gap: 8px; }
.slots-grid.large-grid .slot-val { font-size: 0.9rem; }

.slot {
    aspect-ratio: 1/1; background: var(--bg-slot);
    border: 1px solid var(--border-subtle); border-radius: 8px;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    cursor: default; pointer-events: none;
    transition: all 0.2s; position: relative;
}
.slot-idx { font-size: 0.65rem; color: var(--border-active); position: absolute; top: 6px; left: 8px; }
.slot-val { font-size: 1.1rem; font-weight: 500; color: var(--text-main); }

.slot.active-target { 
    cursor: pointer; pointer-events: auto;
    border-color: var(--text-muted); box-shadow: 0 0 15px -5px rgba(255, 255, 255, 0.15); 
}
.slots-grid.first-turn .slot.active-target { border-color: var(--border-subtle); box-shadow: none; }
.slot.active-target:hover { border-color: var(--accent-primary); background: var(--bg-card); }
.slot.filled { background: var(--bg-card); border-color: var(--border-active); }

/* --- SUCCESS STATE --- */
.slot.win-success {
    background: rgba(16, 185, 129, 0.2) !important;
    border-color: var(--success) !important;
    color: var(--success) !important;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3) !important;
}

body.state-success {
    background-color: #022c22 !important; /* Deep Green */
}

body.state-success .slot:not(.win-success) {
    opacity: 0.5;
}

/* --- MODALS --- */
.overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.85); backdrop-filter: blur(8px);
    display: flex; justify-content: center; align-items: center;
    z-index: 100; opacity: 0; pointer-events: none; transition: opacity 0.2s ease;
}
.overlay.visible { opacity: 1; pointer-events: all; }

.modal {
    background: var(--bg-body); padding: 30px; border-radius: 16px;
    text-align: center; max-width: 450px; width: 95%;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    transform: scale(0.95); transition: transform 0.2s;
    position: relative;
}
.overlay.visible .modal { transform: scale(1); }
.modal h2 { margin: 0 0 15px 0; font-size: 1.5rem; color: var(--text-main); }
.modal p { color: var(--text-muted); margin-bottom: 25px; font-size: 0.95rem; line-height: 1.6; }

/* Win Modal Specifics */
.modal.win-modal { border-color: var(--success); box-shadow: 0 20px 60px rgba(16, 185, 129, 0.15); }
.modal.win-modal h2 { color: var(--success); }

.modal-btn { background: var(--text-main); color: var(--bg-body); width: 100%; padding: 14px; margin-top: 10px; }
.close-btn { background: transparent; border: 1px solid var(--border-subtle); color: var(--text-muted); margin-top: 10px; width: 100%; }
.close-btn:hover { border-color: var(--text-main); color: var(--text-main); }

/* FIXED MODE LIST UI */
.mode-list { 
    display: grid; 
    grid-template-columns: 1fr;
    gap: 12px; 
    width: 100%; 
}
.mode-btn {
    background: var(--bg-slot);
    border: 1px solid var(--border-subtle);
    color: var(--text-main);
    padding: 16px;
    border-radius: 8px;
    text-align: left;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.mode-btn:hover { 
    border-color: var(--text-main); 
    background: var(--border-subtle);
    transform: translateY(-2px); 
}
.mode-btn strong { 
    display: block; 
    font-size: 1.05rem; 
    margin-bottom: 4px; 
    color: var(--text-main);
}
.mode-btn span { 
    font-size: 0.85rem; 
    color: var(--text-muted); 
}

/* --- DEAD STATE (Visual Failure) --- */
body.state-dead {
    background-color: #09090b !important; /* Force return to default zinc */
    color: var(--text-muted) !important;
}

body.state-dead .slots-grid,
body.state-dead header {
    opacity: 0.4;
    filter: grayscale(1);
    pointer-events: none;
}

body.state-dead .roll-stage {
    opacity: 0.7;
    /* Do not grayscale this, keep red text */
}

body.state-dead .slot.filled {
    background-color: var(--bg-slot);
    border-color: var(--border-subtle);
    color: var(--text-muted);
}

body.state-dead #reset-btn {
    border-color: var(--text-main);
    color: var(--text-main);
    animation: pulse-reset 2s infinite;
}
@keyframes pulse-reset {
    0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.1); }
    70% { box-shadow: 0 0 0 10px rgba(255, 255, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}

/* --- CONFETTI --- */
#confetti-canvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 200; transition: opacity 1s ease; }
.dev-indicator { position: fixed; top: 20px; right: 20px; opacity: 0; color: #fff; font-family: monospace; }
.dev-indicator.visible { opacity: 1; }

/* --- ANIMATIONS (Shakes & Pressure) --- */
body.pressure-5 { --bg-body: #1c1917; --bg-card: #292524; }
body.pressure-6 { --bg-body: #281205; --bg-card: #431407; }
body.pressure-7 { --bg-body: #380808; --bg-card: #551010; --border-active: #b91c1c; }
body.pressure-8 { --bg-body: #450a0a; --bg-card: #601414; --accent-primary: #fca5a5; --accent-bg: #450a0a; }
body.pressure-9 { --bg-body: #4c0519; --bg-card: #831843; --accent-primary: #fda4af; --accent-bg: #881337; }

/* Shake Levels */
@keyframes shake-1 { 0%, 100% { transform: translate(0, 0); } 25% { transform: translate(1px, 1px); } 75% { transform: translate(-1px, -1px); } }
@keyframes shake-2 { 0%, 100% { transform: translate(0, 0); } 25% { transform: translate(2px, 2px); } 50% { transform: translate(-2px, 0); } 75% { transform: translate(2px, -2px); } }
@keyframes shake-3 { 0%, 100% { transform: translate(0, 0); } 10% { transform: translate(-3px, -3px); } 30% { transform: translate(3px, 3px); } 50% { transform: translate(-3px, 3px); } 70% { transform: translate(3px, -3px); } 90% { transform: translate(-1px, 1px); } }

.shake-lvl-1 { animation: shake-1 0.5s infinite; } /* Slow/Light */
.shake-lvl-2 { animation: shake-2 0.3s infinite; } /* Medium */
.shake-lvl-3 { animation: shake-3 0.15s infinite; color: var(--error) !important; } /* Hard/Violent */

@media (max-width: 500px) {
    .slots-grid { grid-template-columns: repeat(2, 1fr); }
    .slots-grid.large-grid { grid-template-columns: repeat(4, 1fr); }
    .number-display { font-size: 4rem; }
}