:root {
    --primary: #1e293b;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --bg-dark: #0f172a;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --danger: #ef4444;
    --success: #10b981;
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-user-drag: none;
}

body, html {
    width: 100vw;
    height: 100vh;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow: hidden;
    touch-action: none;
}

#game-container {
    width: 100%;
    height: 100%;
    position: relative;
    background: radial-gradient(circle at center, #1e293b 0%, #020617 100%);
}

.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

.screen.active {
    display: flex;
}

.screen.hidden {
    display: none !important;
}

h1, h2, h3 {
    font-family: 'Share Tech Mono', monospace;
    letter-spacing: 2px;
}

/* --- UI COMPONENTS --- */
.btn {
    padding: 15px 30px;
    font-size: 1.2rem;
    font-family: 'Share Tech Mono', monospace;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid transparent;
}

.primary-btn {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4), inset 0 1px 0 rgba(255,255,255,0.2);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);
}

.primary-btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.4);
}

.secondary-btn {
    background: rgba(30, 41, 59, 0.8);
    color: var(--text-main);
    border-color: var(--glass-border);
}
.retry-btn {
    background: linear-gradient(135deg, #dc2626, #991b1b);
    color: white;
}

/* HUD */
.hud {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0));
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 20px;
    padding: 10px;
    z-index: 100;
}

.hud-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(5px);
    padding: 8px 20px;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.hud-item .label {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: 'Share Tech Mono', monospace;
}

.hud-item span:not(.label) {
    font-size: 1.2rem;
    font-weight: bold;
    color: #fff;
    font-family: 'Share Tech Mono', monospace;
}
.strikes.warning { color: orange; }
.strikes.danger { color: var(--danger); }

/* Main Desk Layout */
.desk {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.booth-window {
    height: 30%;
    width: 100%;
    background: #000 url('../assets/images/airport_bg.png') no-repeat center center;
    background-size: cover;
    position: relative;
    border-bottom: 5px solid #111;
    overflow: hidden;
}

.glass-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.1); 
    box-shadow: inset 0 -20px 30px rgba(0,0,0,0.8);
    pointer-events: none;
}

#passenger-container {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 250px;
    height: 350px;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    transition: opacity 0.5s;
    opacity: 0;
    z-index: 5;
}

.passenger-backlight {
    position: absolute;
    bottom: 20px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(230,240,255,0.9) 0%, rgba(200,220,255,0.4) 40%, rgba(0,0,0,0) 70%);
    z-index: 1;
    border-radius: 50%;
    animation: flickerSoft 6s infinite alternate;
}

.passenger-figure {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center 10%;
    mix-blend-mode: multiply; /* Removes the white AI background seamlessly */
    z-index: 2;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 60%, rgba(0,0,0,0) 100%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 60%, rgba(0,0,0,0) 100%);
    animation: breathing 4s ease-in-out infinite, lookAround 12s ease-in-out infinite;
}

/* Desk Surface */
.desk-surface {
    height: 70%;
    width: 100%;
    background: #2b1f18 url('../assets/images/desk_texture.png') repeat center center;
    background-size: cover;
    position: relative;
    display: flex;
    box-shadow: inset 0 20px 50px rgba(0,0,0,0.8);
}

.drag-hint {
    position: absolute;
    top: 50%;
    left: 40%;
    transform: translate(-50%, -50%);
    color: rgba(255,255,255,0.2);
    font-size: 1.5rem;
    font-family: 'Share Tech Mono', monospace;
    pointer-events: none;
}

.doc-area {
    flex: 1;
    position: relative;
    padding: 20px;
    overflow: hidden;
}

/* Documents */
.document {
    position: absolute;
    border-radius: 8px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.7);
    cursor: grab;
    color: #111;
    font-family: 'Inter', sans-serif;
    will-change: transform;
    background: #fff;
}
.document:active {
    cursor: grabbing;
    transform: scale(1.05);
}

.passport-doc {
    width: 250px;
    height: 350px;
    background: #fff url('../assets/images/passport_template.png') no-repeat center;
    background-size: cover;
    padding: 20px;
    top: 50px;
    left: 50px;
}
.passport-photo {
    width: 80px; height: 100px;
    margin-bottom: 15px;
    mix-blend-mode: multiply; /* Eliminates white borders and looks like printed ink */
    filter: sepia(0.3) contrast(1.1); /* Adds an official document ink look */
    border: 2px solid rgba(0,0,0,0.2);
    box-shadow: inset 0 0 10px rgba(0,0,0,0.2);
}
.passport-data {
    font-size: 0.8rem;
    line-height: 1.4;
    font-family: 'Share Tech Mono', monospace;
}
.passport-data .field { color: #555; font-size: 0.6rem; }
.passport-data .val { font-weight: bold; margin-bottom: 5px; color: #111; }

.ticket-doc {
    width: 350px;
    height: 150px;
    background: #fff url('../assets/images/ticket_template.png') no-repeat center;
    background-size: cover;
    top: 60px;
    left: 320px;
    padding: 15px 20px;
    border-radius: 12px;
}
.ticket-data {
    font-size: 0.8rem;
    font-family: 'Share Tech Mono', monospace;
}
.ticket-data .field { color: #555;}
.ticket-data .val { font-weight: bold; font-size: 1rem; color: #111;}


/* Scanner Panel */
.scanner-monitor {
    width: 400px;
    height: 100%;
    background: linear-gradient(to right, #111, #1e293b);
    border-left: 5px solid #000;
    display: flex;
    flex-direction: column;
    padding: 20px;
    box-shadow: -10px 0 30px rgba(0,0,0,0.8);
    z-index: 100;
}

.monitor-bezel {
    width: 100%;
    height: 300px;
    background: #000;
    border-radius: 12px;
    border: 4px solid #334155;
    position: relative;
    overflow: hidden;
    margin-bottom: 15px;
}

#scanner-canvas {
    width: 100%;
    height: 100%;
    background: #020617;
}

.scan-line {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 3px;
    background: rgba(59, 130, 246, 0.9);
    box-shadow: 0 0 15px rgba(59, 130, 246, 1);
    animation: scanPulse 1.5s linear infinite;
    display: none;
}

.scanner-status {
    position: absolute;
    bottom: 5px;
    right: 10px;
    color: var(--accent);
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.8rem;
}
.scanner-status.alert { color: var(--danger); }

.control-btn {
    padding: 15px;
    background: #2563eb;
    color: white;
    font-weight: bold;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-family: 'Share Tech Mono', monospace;
    font-size: 1rem;
    transition: transform 0.1s;
    box-shadow: 0 5px 0 #1e40af;
    margin-bottom: 10px;
}
.control-btn:active {
    transform: translateY(5px);
    box-shadow: 0 0 0 #1e40af;
}

.call-next {
    background: #10b981;
    box-shadow: 0 5px 0 #059669;
    display: none;
}
.call-next:active { box-shadow: 0 0 0 #059669; }


/* Action Panel (Approval/Rejection Stamps) */
.action-panel {
    position: absolute;
    bottom: 20px;
    left: 20px;
    display: flex;
    gap: 20px;
    z-index: 1000; /* Ensure on top */
}

.stamp-pad {
    width: 120px;
    height: 120px;
    background: #1e293b;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 15px 30px rgba(0,0,0,0.6), inset 0 2px 2px rgba(255,255,255,0.1);
    border: 3px solid #334155;
    transition: transform 0.1s, box-shadow 0.1s;
}
.stamp-pad.approve { border-bottom: 8px solid var(--success); }
.stamp-pad.reject { border-bottom: 8px solid var(--danger); }

.stamp-pad:active {
    transform: scale(0.95) translateY(8px);
    border-bottom-width: 0;
    box-shadow: 0 5px 10px rgba(0,0,0,0.6);
}

.btn-inner { text-align: center; }
.btn-inner .icon { font-size: 3rem; font-weight: bold; }
.btn-inner .text { font-size: 1rem; font-family: 'Share Tech Mono', monospace; font-weight:bold;}
.approve .icon, .approve .text { color: var(--success); }
.reject .icon, .reject .text { color: var(--danger); }

/* Warning Alert */
.alert-banner {
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(220, 38, 38, 0.95);
    color: white;
    padding: 15px 40px;
    border-radius: 8px;
    font-weight: bold;
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8), 0 0 20px rgba(220, 38, 38, 0.5);
    border: 3px solid #f87171;
    z-index: 9999;
    text-align: center;
}

/* Timer */
.time-pressure-bar {
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 10px;
    background: rgba(0,0,0,0.6);
    z-index: 2000;
}
.time-pressure-bar .fill {
    height: 100%; width: 100%;
    background: var(--success);
    transition: width 1s linear, background-color 0.3s;
}
.time-pressure-bar .fill.warning { background: orange; }
.time-pressure-bar .fill.danger { background: var(--danger); box-shadow: 0 0 15px red; }

/* Stamps on Docs */
.stamp-mark {
    position: absolute;
    font-size: 2.5rem;
    font-weight: 900;
    font-family: 'Share Tech Mono', monospace;
    text-transform: uppercase;
    border: 6px solid;
    padding: 5px 15px;
    border-radius: 8px;
    transform: rotate(-15deg);
    pointer-events: none;
    z-index: 200;
}
.stamp-approved { color: #10b981; border-color: #10b981; }
.stamp-denied { color: #ef4444; border-color: #ef4444; }

/* Modal */
.result-modal, .gameover-modal, .tutorial-modal, .start-content {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 30px 60px rgba(0,0,0,0.8);
}
.logo-area img { width: 120px; border-radius: 20px; margin-bottom: 20px;}
.stats { margin: 30px 0; padding: 20px; background: rgba(0,0,0,0.4); border-radius: 8px; }
.stat-row { display: flex; justify-content: space-between; margin-bottom: 15px; font-family: 'Share Tech Mono', monospace; font-size: 1.3rem; }
.stat-row:last-child { border-top: 2px dashed #444; padding-top:15px; font-weight:bold; }

.start-content { z-index: 20; position: relative;}
.bg-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: url('../assets/images/game_thumbnail.png') no-repeat center center;
    background-size: cover;
    z-index: 1;
    filter: brightness(0.6) contrast(1.1);
}

/* Animations */
@keyframes scanPulse { 0% { top: 0; } 100% { top: 100%; opacity: 0; } }
@keyframes flashRed { 0%, 100% { background: transparent; } 50% { background: rgba(255,0,0,0.3); } }
.screen-flash { animation: flashRed 0.5s ease; pointer-events: none; }
@keyframes dropIn { from { transform: translateY(-50px) scale(1.1); opacity: 0; } to { transform: translateY(0) scale(1); opacity: 1; } }
.anim-drop { animation: dropIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards; opacity: 0; }
@keyframes pulseBtn { 0% { transform: scale(1); } 50% { transform: scale(1.05); } 100% { transform: scale(1); } }
.anim-pulse { animation: pulseBtn 1s infinite; }

/* Breathing & Moving for Real Avatar */
@keyframes breathing {
    0%, 100% { transform: scale(1) translateY(0); }
    50% { transform: scale(1.02) translateY(-2px); }
}
@keyframes lookAround {
    0%, 20%, 80%, 100% { background-position: center 10%; }
    30%, 40% { background-position: calc(50% + 5px) 10%; }
    60%, 70% { background-position: calc(50% - 5px) 10%; }
}
@keyframes flickerSoft {
    0% { opacity: 0.8; }
    50% { opacity: 1; }
    100% { opacity: 0.9; }
}

/* Toggle */
.toggle-container { margin-top: 15px; font-family: 'Share Tech Mono', monospace; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 10px; }
.toggle-container input { display: none; }
.checkmark { width: 50px; height: 26px; background: #333; border-radius: 15px; position: relative; transition: 0.3s; }
.checkmark::after { content: ''; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; background: white; border-radius: 50%; transition: 0.3s; }
input:checked ~ .checkmark { background: var(--success); }
input:checked ~ .checkmark::after { left: 27px; }

/* Responsiveness */
@media (max-width: 900px) {
    .hud-item { padding: 5px 10px; min-width: 70px; }
    .hud-item span:not(.label) { font-size: 1rem; }
    
    .booth-window { height: 25%; }
    .desk-surface { height: 75%; flex-direction: column; overflow: hidden; }
    
    .doc-area { height: 50%; width: 100%; padding: 10px; flex-shrink: 0; }
    
    .scanner-monitor { height: 50%; width: 100%; flex-direction: row; border-left: none; border-top: 4px solid #000; padding: 10px; gap: 15px; }
    .monitor-bezel { flex: 1; height: 100%; margin-bottom: 0; }
    .monitor-controls { display: flex; flex-direction: column; justify-content: center; gap: 10px; width: 120px; }
    .control-btn { padding: 10px; font-size: 0.9rem; margin-bottom: 0; }
    
    .action-panel { bottom: auto; top: calc(50% - 45px); right: 10px; left: auto; transform: none; flex-direction: column; gap: 10px; }
    .stamp-pad { width: 70px; height: 70px; border-radius: 12px; }
    .btn-inner .icon { font-size: 1.8rem; }
    .btn-inner .text { font-size: 0.7rem; }
    
    /* Smaller Documents for Tablets */
    .passport-doc { width: 200px; height: 280px; left: 10px; top: 10px; padding: 15px; }
    .passport-photo { width: 60px; height: 80px; }
    .passport-data { font-size: 0.7rem; }
    
    .ticket-doc { width: 250px; height: 120px; left: 220px; top: 10px; padding: 10px; }
    .ticket-data { font-size: 0.7rem; }
}

@media (max-width: 600px) {
    .scanner-monitor { flex-direction: column; gap: 10px; }
    .monitor-controls { flex-direction: row; width: 100%; }
    .control-btn { flex: 1; }
    
    .action-panel { top: auto; bottom: calc(50% - 40px); left: 50%; right: auto; transform: translateX(-50%); flex-direction: row; z-index: 1000; }
    .stamp-pad { width: 60px; height: 60px; }
    .btn-inner .icon { font-size: 1.5rem; }
    .btn-inner .text { font-size: 0.6rem; }
    
    /* Stagger Documents for Phones */
    .passport-doc { left: 10px; top: 10px; width: 180px; height: 250px; padding: 10px; }
    .passport-photo { width: 50px; height: 70px; }
    .passport-data { font-size: 0.6rem; }
    
    .ticket-doc { left: 100px; top: 90px; width: 230px; height: 110px; padding: 10px; }
    .ticket-data { font-size: 0.6rem; line-height: 1.2; }
    .ticket-data .val { font-size: 0.9rem; }
    .timer-pressure-bar { bottom: 0; }
}

@media (max-height: 600px) {
    /* Safe fallback for horizontal mobile */
    .booth-window { display: none; }
    .desk-surface { height: 100%; }
}