/* style.css - Steampunk Gear & Pressure */

:root {
    --bg-dark: #120b06;
    --bg-card: #20140b;
    --bg-inner: #0f0905;
    
    --brass: #c59b3f;
    --brass-glow: #e5b84c;
    --brass-dark: #70551e;
    
    --copper: #b65a38;
    --copper-glow: #d6714a;
    --copper-dark: #6e331c;
    
    --steel: #484c50;
    --steel-light: #71777d;
    --steel-dark: #282b2e;
    
    --fire: #ff6a00;
    --fire-glow: #ff9d00;
    --water: #00b0ff;
    --water-glow: #40c4ff;
    
    --steam-color: rgba(220, 220, 230, 0.7);
    --font-victorian: 'Playfair Display', serif;
    --font-mech: 'Orbitron', sans-serif;
    --font-typewriter: 'Special Elite', monospace;
    
    --shadow-brass: 0 4px 15px rgba(112, 85, 30, 0.35);
    --shadow-plate: inset 0 2px 10px rgba(0,0,0,0.8), 0 1px 0 rgba(255,255,255,0.05);
}

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

body {
    background-color: var(--bg-dark);
    color: #e5d5c0;
    font-family: var(--font-typewriter);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* Background Wallpaper Pattern */
.steampunk-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    opacity: 0.05;
    pointer-events: none;
    z-index: 1;
    background-image: 
        radial-gradient(circle, var(--brass) 1px, transparent 1px),
        radial-gradient(circle, var(--brass) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: 0 0, 20px 20px;
}

.steam-pipes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    opacity: 0.08;
    pointer-events: none;
    z-index: 1;
    background: 
        linear-gradient(90deg, transparent 40px, var(--copper-dark) 40px, var(--copper) 45px, var(--copper-dark) 50px, transparent 50px),
        linear-gradient(0deg, transparent 80px, var(--copper-dark) 80px, var(--copper) 85px, var(--copper-dark) 90px, transparent 90px);
    background-size: 200px 200px;
}

.game-wrapper {
    width: 100%;
    max-width: 1100px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Header Styling */
.game-header {
    display: grid;
    grid-template-columns: 180px 1fr 180px;
    align-items: center;
    background: linear-gradient(180deg, #2c1a0e, var(--bg-card));
    border: 3px double var(--brass);
    border-radius: 4px;
    padding: 12px 20px;
    box-shadow: var(--shadow-brass), inset 0 1px 0 rgba(255,255,255,0.1);
    position: relative;
}

.back-link {
    display: flex;
    align-items: center;
}

.btn-back {
    color: var(--brass);
    text-decoration: none;
    font-size: 14px;
    font-weight: bold;
    border: 1px solid var(--brass-dark);
    padding: 6px 12px;
    border-radius: 3px;
    background: rgba(0,0,0,0.3);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn-back:hover {
    color: #fff;
    background: var(--brass-dark);
    box-shadow: 0 0 8px var(--brass-glow);
}

.game-title-group {
    text-align: center;
}

.victorian-title {
    font-family: var(--font-victorian);
    font-size: 28px;
    font-weight: 800;
    color: var(--brass-glow);
    text-shadow: 2px 2px 0px rgba(0,0,0,0.8), 0 0 10px rgba(229,184,76,0.3);
    letter-spacing: 2px;
}

.sub-title {
    font-family: var(--font-mech);
    font-size: 11px;
    color: var(--copper-glow);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.brass-badge {
    justify-self: end;
    border: 2px solid var(--brass);
    background: var(--bg-inner);
    padding: 4px 10px;
    border-radius: 20px;
    box-shadow: var(--shadow-plate);
}

.badge-text {
    font-family: var(--font-mech);
    font-size: 12px;
    color: var(--brass);
}

/* Layout */
.game-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 20px;
}

/* Cards & Plates */
.brass-card {
    background: radial-gradient(circle at 50% 0%, #301f12, var(--bg-card));
    border: 2px solid var(--brass-dark);
    outline: 1px solid rgba(255,255,255,0.05);
    border-radius: 4px;
    padding: 15px;
    margin-bottom: 15px;
    box-shadow: var(--shadow-brass), 0 8px 16px rgba(0,0,0,0.5);
    position: relative;
}

.brass-card::before {
    content: '';
    position: absolute;
    top: 3px; left: 3px; right: 3px; bottom: 3px;
    border: 1px dashed rgba(197, 155, 63, 0.25);
    pointer-events: none;
    border-radius: 2px;
}

.card-title {
    font-family: var(--font-victorian);
    font-size: 16px;
    color: var(--brass-glow);
    border-bottom: 2px solid var(--brass-dark);
    padding-bottom: 5px;
    margin-bottom: 12px;
    text-shadow: 1px 1px 0px #000;
}

/* Analog Gauge (Dial) styling */
.gauge-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 15px;
}

.analog-gauge {
    width: 140px;
    height: 140px;
    position: relative;
    background: radial-gradient(circle, #e5d8c3 60%, #bcab92 100%);
    border: 8px solid var(--brass);
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(0,0,0,0.6), inset 0 4px 12px rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
}

.gauge-dial {
    width: 100%;
    height: 100%;
    position: absolute;
}

.gauge-ticks {
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle, transparent 65%, #222 66%, #222 68%, transparent 69%),
        repeating-conic-gradient(from -120deg, #222 0deg 1deg, transparent 1deg 10deg);
    mask-image: radial-gradient(circle, transparent 40%, black 41%);
    -webkit-mask-image: radial-gradient(circle, transparent 40%, black 41%);
    opacity: 0.6;
    border-radius: 50%;
}

.gauge-needle {
    width: 4px;
    height: 60px;
    background: #c62828;
    position: absolute;
    bottom: 50%;
    left: calc(50% - 2px);
    transform-origin: bottom center;
    border-radius: 2px 2px 0 0;
    transition: transform 0.15s cubic-bezier(0.25, 0.8, 0.25, 1.2);
    z-index: 3;
    box-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.gauge-needle::before {
    content: '';
    position: absolute;
    width: 8px;
    height: 20px;
    background: #c62828;
    bottom: -15px;
    left: -2px;
    border-radius: 1px;
}

.gauge-pivot {
    width: 16px;
    height: 16px;
    background: var(--brass-dark);
    border: 2px solid var(--brass);
    border-radius: 50%;
    z-index: 4;
    box-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.gauge-warning-zone {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: conic-gradient(from 24deg, rgba(230,0,0,0.4) 0deg 48deg, transparent 48deg);
    mask-image: radial-gradient(circle, transparent 58%, black 59%);
    -webkit-mask-image: radial-gradient(circle, transparent 58%, black 59%);
}

.gauge-value {
    position: absolute;
    bottom: 22px;
    font-family: var(--font-mech);
    font-size: 16px;
    font-weight: 700;
    color: #111;
    background: rgba(255,255,255,0.4);
    padding: 2px 6px;
    border-radius: 3px;
    border: 1px solid rgba(0,0,0,0.15);
    letter-spacing: 1px;
}

.boiler-labels {
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 5px 10px 0 10px;
    font-size: 11px;
    color: #a59580;
}

.label-low { color: #88bbff; }
.label-high { color: #ff6666; font-weight: bold; }

/* Thermometer Tube */
.thermometer-container {
    margin-top: 10px;
}

.thermometer-label {
    display: block;
    font-size: 11px;
    color: var(--brass-glow);
    margin-bottom: 5px;
}

.mercury-tube {
    height: 14px;
    background: var(--bg-inner);
    border: 2px solid var(--steel);
    border-radius: 7px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-plate);
}

.mercury-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--fire), var(--fire-glow));
    box-shadow: 0 0 10px var(--fire);
    transition: width 0.3s ease;
    position: relative;
}

/* Bubbles in boiling fill */
.bubbles {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    background-image: 
        radial-gradient(circle, rgba(255,255,255,0.3) 1px, transparent 1px),
        radial-gradient(circle, rgba(255,255,255,0.3) 1.5px, transparent 1.5px);
    background-size: 10px 10px, 15px 15px;
    background-position: 0 0, 5px 5px;
    animation: boil 1s infinite linear;
    opacity: 0.6;
}

@keyframes boil {
    0% { background-position: 0 0, 5px 5px; }
    100% { background-position: -10px -10px, -5px -15px; }
}

/* Status Panel */
.status-mode {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-inner);
    border: 1px solid var(--steel-dark);
    padding: 10px;
    border-radius: 4px;
    box-shadow: var(--shadow-plate);
}

.status-indicator-light {
    width: 16px;
    height: 16px;
    background-color: #4CAF50;
    border-radius: 50%;
    box-shadow: 0 0 10px #4CAF50;
    flex-shrink: 0;
    border: 2px solid rgba(255,255,255,0.3);
}

.status-indicator-light.overload {
    background-color: #f44336;
    box-shadow: 0 0 12px #f44336, 0 0 4px #f44336;
    animation: flash 0.5s infinite alternate;
}

.status-indicator-light.offload {
    background-color: #2196F3;
    box-shadow: 0 0 8px #2196F3;
}

@keyframes flash {
    from { opacity: 0.3; }
    to { opacity: 1; }
}

.status-info {
    flex-grow: 1;
}

#status-mode-title {
    display: block;
    font-size: 14px;
    font-weight: bold;
    color: #fff;
    font-family: var(--font-victorian);
}

.status-desc {
    font-size: 10px;
    color: #a59580;
    line-height: 1.3;
}

/* Vent charge bar */
.vent-charge-bar {
    margin-top: 15px;
}

.charge-label {
    display: block;
    font-size: 11px;
    color: #fff;
    margin-bottom: 5px;
}

.charge-meter {
    height: 10px;
    background: var(--bg-inner);
    border: 1px solid var(--steel-dark);
    border-radius: 5px;
    overflow: hidden;
}

.charge-fill {
    height: 100%;
    background: var(--brass-glow);
    box-shadow: 0 0 6px var(--brass-glow);
    transition: width 0.2s linear;
}

/* Stats / Logs scoreboard */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 12px;
}

.stat-box {
    background: var(--bg-inner);
    border: 1px solid var(--steel-dark);
    padding: 8px;
    border-radius: 3px;
    text-align: center;
    box-shadow: var(--shadow-plate);
}

.stat-title {
    display: block;
    font-size: 9px;
    color: var(--brass);
    text-transform: uppercase;
}

.stat-number {
    font-size: 20px;
    color: #fff;
}

.font-digital {
    font-family: var(--font-mech);
    font-weight: 700;
    letter-spacing: 1px;
}

.stats-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 5px;
    border-bottom: 1px dashed var(--steel-dark);
    font-size: 12px;
}

.stat-val {
    color: #fff;
}

/* Settings Valve Controls */
.control-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 12px;
}

.brass-select {
    background: #3c2414;
    color: var(--brass-glow);
    border: 1px solid var(--brass-dark);
    border-radius: 3px;
    padding: 4px 8px;
    outline: none;
    font-family: var(--font-typewriter);
    font-size: 11px;
}

/* Audio Toggle Switch (Steampunk styled lever) */
.toggle-container {
    position: relative;
    width: 44px;
    height: 20px;
}

.toggle-container input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--bg-inner);
    border: 1px solid var(--steel);
    transition: .3s;
    border-radius: 10px;
    box-shadow: var(--shadow-plate);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 2px;
    bottom: 2px;
    background-color: var(--brass);
    transition: .3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.6);
}

input:checked + .toggle-slider {
    background-color: var(--brass-dark);
}

input:checked + .toggle-slider:before {
    transform: translateX(24px);
    background-color: var(--brass-glow);
}

/* Game Center Canvas Wrapper */
.game-center {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

.canvas-wrapper {
    position: relative;
    border: 10px solid var(--steel);
    outline: 2px solid var(--brass);
    border-radius: 6px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8), var(--shadow-brass);
    background-color: #1a1a1a;
    width: 600px;
    height: 600px;
}

/* Rivets on metal frame corners */
.rivet {
    position: absolute;
    width: 12px;
    height: 12px;
    background: radial-gradient(circle at 35% 35%, var(--steel-light) 10%, var(--steel-dark) 90%);
    border-radius: 50%;
    z-index: 10;
    box-shadow: 1px 1px 2px rgba(0,0,0,0.6);
}

.rivet.top-left { top: -6px; left: -6px; }
.rivet.top-right { top: -6px; right: -6px; }
.rivet.bottom-left { bottom: -6px; left: -6px; }
.rivet.bottom-right { bottom: -6px; right: -6px; }

/* Pipe decoration */
.steam-deco-pipe {
    position: absolute;
    top: -10px;
    left: 40px;
    width: 4px;
    height: 10px;
    background: linear-gradient(90deg, var(--copper-dark), var(--copper), var(--copper-dark));
    z-index: 9;
}

#game-canvas {
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
}

/* Overlay System */
.screen-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(18, 11, 6, 0.9);
    z-index: 20;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
    transition: opacity 0.3s ease;
}

.screen-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.overlay-content {
    background: radial-gradient(circle, #301f12, var(--bg-card));
    border: 3px double var(--brass);
    border-radius: 4px;
    padding: 25px;
    text-align: center;
    max-width: 500px;
    box-shadow: var(--shadow-brass), 0 15px 35px rgba(0,0,0,0.9);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.cog-logo {
    font-size: 48px;
    animation: spin 8s infinite linear;
    text-shadow: 0 0 10px var(--brass-glow);
}

.cog-logo.red {
    text-shadow: 0 0 15px #f44336;
    animation: shake 0.2s infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes shake {
    0% { transform: translate(1px, 1px) rotate(0deg); }
    10% { transform: translate(-1px, -2px) rotate(-1deg); }
    20% { transform: translate(-3px, 0px) rotate(1deg); }
    30% { transform: translate(0px, 2px) rotate(0deg); }
    40% { transform: translate(1px, -1px) rotate(1deg); }
    50% { transform: translate(-1px, 2px) rotate(-1deg); }
    60% { transform: translate(-3px, 1px) rotate(0deg); }
    70% { transform: translate(2px, 1px) rotate(-1deg); }
    80% { transform: translate(-1px, -1px) rotate(1deg); }
    90% { transform: translate(2px, 2px) rotate(0deg); }
    100% { transform: translate(1px, -2px) rotate(-1deg); }
}

.victorian-heading {
    font-family: var(--font-victorian);
    font-size: 22px;
    color: var(--brass-glow);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.color-red { color: #f44336; }

.game-intro {
    font-size: 11px;
    color: #d2c1ab;
    line-height: 1.5;
    text-align: justify;
}

.tutorial-box {
    background: var(--bg-inner);
    border: 1px dashed var(--brass-dark);
    padding: 12px;
    border-radius: 4px;
    text-align: left;
    font-size: 10px;
    color: #b5a48f;
    width: 100%;
    max-height: 180px;
    overflow-y: auto;
}

.tutorial-box p {
    margin-bottom: 8px;
    line-height: 1.4;
}

.tutorial-box p:last-child {
    margin-bottom: 0;
}

.btn {
    font-family: var(--font-typewriter);
    font-weight: bold;
    cursor: pointer;
    border-radius: 3px;
    padding: 10px 24px;
    font-size: 14px;
    transition: all 0.2s ease;
    outline: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.btn-brass {
    background: linear-gradient(180deg, var(--brass-glow), var(--brass-dark));
    border: 1px solid var(--brass);
    color: #1f140a;
}

.btn-brass:hover {
    background: linear-gradient(180deg, #ffd366, var(--brass));
    box-shadow: 0 0 12px var(--brass-glow);
    transform: translateY(-1px);
}

.btn-brass:active {
    transform: translateY(1px);
    box-shadow: 0 2px 3px rgba(0,0,0,0.3);
}

.btn-danger {
    background: linear-gradient(180deg, #ff4c4c, var(--copper-dark));
    border: 1px solid var(--copper);
    color: #fff;
}

.btn-danger:hover {
    background: linear-gradient(180deg, #ff6666, #b65a38);
    box-shadow: 0 0 12px #ff4c4c;
}

/* Stats Report for Game Over */
.stats-report {
    background: var(--bg-inner);
    border: 1px solid var(--steel-dark);
    padding: 12px;
    border-radius: 3px;
    width: 100%;
    margin-bottom: 10px;
}

.stats-report p {
    font-size: 12px;
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
}

.stats-report p:last-child {
    margin-bottom: 0;
}

.stat-highlight {
    font-weight: bold;
    color: var(--brass-glow);
}

/* Mobile Controls Panel */
.mobile-controls-panel {
    display: none;
    width: 100%;
    max-width: 600px;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    border: 2px solid var(--brass-dark);
    padding: 12px 20px;
    border-radius: 4px;
    box-shadow: var(--shadow-brass);
}

/* Joystick */
.joystick-boundary {
    width: 100px;
    height: 100px;
    background: rgba(0,0,0,0.4);
    border: 3px solid var(--brass-dark);
    border-radius: 50%;
    position: relative;
    touch-action: none;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-plate);
}

.joystick-handle {
    width: 40px;
    height: 40px;
    background: radial-gradient(circle at 30% 30%, var(--brass-glow), var(--brass-dark));
    border: 1px solid var(--brass);
    border-radius: 50%;
    position: absolute;
    box-shadow: 0 4px 8px rgba(0,0,0,0.5);
    z-index: 5;
    cursor: grab;
}

.joystick-center-dot {
    width: 8px;
    height: 8px;
    background: var(--brass);
    border-radius: 50%;
    opacity: 0.3;
}

/* Vent Button Mobile */
.btn-vent-mobile {
    width: 140px;
    height: 80px;
    background: radial-gradient(circle at 50% 30%, #4c525a, var(--steel-dark));
    border: 4px solid var(--brass);
    border-radius: 8px;
    color: #fff;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0,0,0,0.5), inset 0 2px 2px rgba(255,255,255,0.2);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    touch-action: none;
    outline: none;
}

.btn-vent-mobile:active {
    transform: scale(0.96);
    box-shadow: 0 1px 3px rgba(0,0,0,0.5), inset 0 5px 8px rgba(0,0,0,0.8);
    border-color: var(--copper);
}

.btn-vent-label {
    font-family: var(--font-mech);
    font-size: 14px;
    font-weight: 900;
    color: var(--brass-glow);
    text-shadow: 1px 1px 2px #000;
    letter-spacing: 1px;
}

.btn-vent-sub {
    font-size: 9px;
    color: #aaa;
    margin-top: 4px;
}

/* Responsive / Adaptability rules */
@media (max-width: 992px) {
    body {
        padding: 10px;
    }
    
    .game-wrapper {
        max-width: 620px;
    }
    
    .game-header {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto;
        gap: 10px;
        padding: 10px;
    }
    
    .back-link {
        grid-row: 1;
        grid-column: 1;
    }
    
    .brass-badge {
        grid-row: 1;
        grid-column: 2;
    }
    
    .game-title-group {
        grid-row: 2;
        grid-column: 1 / span 2;
        text-align: center;
    }
    
    .game-layout {
        grid-template-columns: 1fr;
    }
    
    .panel-left {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }
    
    .brass-card {
        margin-bottom: 0;
    }
}

@media (max-width: 640px) {
    .game-wrapper {
        max-width: 100%;
        gap: 10px;
    }
    
    .panel-left {
        grid-template-columns: 1fr;
    }
    
    .canvas-wrapper {
        width: 100%;
        height: auto;
        aspect-ratio: 1 / 1;
        max-width: 100vw;
    }
    
    .mobile-controls-panel {
        display: flex;
    }
}

@media (max-height: 800px) and (min-width: 993px) {
    /* Shrink gauges slightly on compact desktop screens */
    .analog-gauge {
        width: 110px;
        height: 110px;
    }
    
    .gauge-needle {
        height: 45px;
    }
}