/* School Surveillance Duty - CCTV Style Theme */
:root {
    --cctv-green: #33ff66;
    --cctv-amber: #ffaa22;
    --cctv-red: #ff3333;
    --cctv-cyan: #22eeff;
    --bg-dark: #0a0c0e;
    --panel-bg: rgba(12, 16, 20, 0.94);
    --panel-border: #1e3a29;
    --panel-border-active: #33ff66;
    --font-cctv: 'Share Tech Mono', 'Courier New', monospace;
}

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

button {
    touch-action: manipulation;
}

body, html {
    width: 100%;
    height: 100%;
    height: 100dvh;
    background-color: var(--bg-dark);
    color: #e0e6ed;
    font-family: var(--font-cctv);
    overflow: hidden;
    overscroll-behavior: none;
    position: relative;
}

/* Master Game Container */
#game-wrapper {
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    background: #000;
    position: relative;
    overflow: hidden;
}

/* Monitor Housing / CRT Bezel */
#cctv-monitor {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
}

/* Camera Viewport Canvas & Container */
#camera-viewport {
    width: 100%;
    max-width: 100%;
    max-height: 100%;
    aspect-ratio: 16 / 9;
    position: relative;
    overflow: hidden;
    cursor: grab;
    background: #020304;
    touch-action: none;
}

#camera-viewport:active {
    cursor: grabbing;
}

/* Base Image and Anomaly Layers */
#camera-feed-container {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transform-origin: center center;
}

#camera-base-img {
    width: 100%;
    height: 100%;
    object-fit: fill;
    display: block;
    pointer-events: none;
    transition: filter 0.3s ease;
}

/* Anomaly Overlays Container */
#anomaly-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* Teacher Sprite Element */
.teacher-anomaly-sprite {
    position: absolute;
    transform: translate(-50%, -100%);
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.95)) contrast(1.1);
    animation: teacher-idle 4s ease-in-out infinite alternate;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

@keyframes teacher-idle {
    0% { transform: translate(-50%, -100%) translateY(0); }
    100% { transform: translate(-50%, -100%) translateY(2px); }
}

/* Object Anomaly Sprite */
.object-anomaly-sprite {
    position: absolute;
    transform: translate(-50%, -100%);
    object-fit: contain;
    pointer-events: none;
}

.floating-anomaly {
    animation: balloon-float 3s ease-in-out infinite alternate;
}

@keyframes balloon-float {
    0% { transform: translate(-50%, -100%) translateY(-3px) rotate(-1deg); }
    100% { transform: translate(-50%, -100%) translateY(5px) rotate(1deg); }
}

/* Light Anomaly Overlay (Flicker / Blackout) */
#light-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0;
    z-index: 25;
    transition: opacity 0.2s ease;
}

/* Authentic Fluorescent Light Failure (voltage dip, dimming, warm/dull pulses, NO digital static) */
.anomaly-flicker {
    animation: lamp-voltage-flicker 2.4s infinite ease-in-out;
    background: radial-gradient(circle at 50% 30%, rgba(255, 235, 170, 0.12), rgba(8, 12, 16, 0.78));
    opacity: 1 !important;
}

@keyframes lamp-voltage-flicker {
    0%, 100% { opacity: 0.15; filter: brightness(1.0); }
    14% { opacity: 0.72; filter: brightness(0.45); }
    18% { opacity: 0.25; filter: brightness(0.95); }
    22% { opacity: 0.85; filter: brightness(0.35); }
    26% { opacity: 0.2; filter: brightness(1.05); }
    55% { opacity: 0.65; filter: brightness(0.5); }
    60% { opacity: 0.3; filter: brightness(0.9); }
    74% { opacity: 0.88; filter: brightness(0.3); }
    78% { opacity: 0.2; filter: brightness(1.0); }
}

/* Blackout: Plunge the room into darkness while keeping CCTV OSD crisp */
.anomaly-blackout {
    opacity: 0.94 !important;
    background: radial-gradient(circle at 50% 50%, rgba(3, 6, 8, 0.92), rgba(1, 2, 3, 0.99)) !important;
}

/* Camera Malfunction: VHS tracking jitter, horizontal sync skew, digital video error */
.anomaly-camera-active {
    animation: cctv-vhs-glitch 0.28s steps(2) infinite;
    filter: contrast(1.5) saturate(0.2) !important;
}

@keyframes cctv-vhs-glitch {
    0% { transform: translate(0, 0) skewX(0deg); }
    25% { transform: translate(-7px, 1px) skewX(2.5deg); }
    50% { transform: translate(6px, -1px) skewX(-2deg); }
    75% { transform: translate(-3px, 1px) skewX(1deg); }
    100% { transform: translate(0, 0) skewX(0deg); }
}

/* Rolling sync bar during camera failure */
.camera-sync-bar {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 22px;
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.5), transparent);
    box-shadow: 0 0 16px rgba(255, 255, 255, 0.4);
    pointer-events: none;
    z-index: 28;
    animation: rolling-sync 2.6s linear infinite;
}

@keyframes rolling-sync {
    0% { top: -30px; }
    100% { top: 100%; }
}

.osd-cam-error {
    display: inline-block;
    background: rgba(220, 20, 20, 0.85);
    color: #fff;
    font-size: 11px;
    font-weight: bold;
    padding: 2px 7px;
    border-radius: 3px;
    margin-left: 10px;
    letter-spacing: 1px;
    animation: blink-error 0.6s infinite alternate;
}

@keyframes blink-error {
    0% { opacity: 0.4; }
    100% { opacity: 1; }
}

/* Noise & Static Glitch Canvas */
#noise-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.14;
    z-index: 30;
}

/* CRT Scanlines Overlay */
.crt-scanlines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: linear-gradient(
        rgba(18, 16, 16, 0) 50%, 
        rgba(0, 0, 0, 0.4) 50%
    ), linear-gradient(
        90deg,
        rgba(255, 0, 0, 0.03),
        rgba(0, 255, 0, 0.01),
        rgba(0, 0, 255, 0.03)
    );
    background-size: 100% 3px, 6px 100%;
    z-index: 35;
}

/* Vignette & Lens Curvature Shadow */
.cctv-vignette {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.85), inset 0 0 40px rgba(0, 0, 0, 0.95);
    z-index: 36;
}

/* Filter Modes */
.filter-cctv {
    filter: contrast(1.15) brightness(0.9) saturate(0.7) sepia(0.08);
}

.filter-nightvision {
    filter: brightness(1.2) contrast(1.3) hue-rotate(85deg) saturate(2.5) drop-shadow(0 0 8px #11ff44);
}

.filter-bw {
    filter: grayscale(1) contrast(1.35) brightness(0.9);
}

.filter-raw {
    filter: none;
}

/* Camera Switch Glitch Overlay */
#switch-glitch-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: #fff;
    opacity: 0;
    z-index: 50;
}

.trigger-switch-glitch {
    animation: switch-glitch-anim 0.18s ease-out;
}

@keyframes switch-glitch-anim {
    0% { opacity: 0.8; background: #fff; }
    25% { opacity: 0.9; background: #000; }
    50% { opacity: 0.6; background: #33ff66; }
    75% { opacity: 0.4; background: #000; }
    100% { opacity: 0; }
}

/* CCTV On-Screen Display (OSD) */
#cctv-osd {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 40;
    padding: 18px 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    font-size: 14px;
    letter-spacing: 1.5px;
    text-shadow: 0 0 6px rgba(51, 255, 102, 0.8), 0 0 2px #000;
    color: var(--cctv-green);
}

.osd-top-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.osd-rec-box {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: bold;
}

.rec-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--cctv-red);
    box-shadow: 0 0 8px var(--cctv-red);
    animation: rec-blink 1.2s infinite;
}

@keyframes rec-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.15; }
}

.osd-cam-info {
    text-align: right;
}

.osd-cam-title {
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}

.osd-cam-code {
    font-size: 12px;
    opacity: 0.8;
}

.osd-bottom-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.osd-clock-box {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.osd-time-main {
    font-size: 26px;
    font-weight: bold;
    color: #fff;
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(51, 255, 102, 0.9);
}

.osd-shift-progress {
    font-size: 11px;
    color: var(--cctv-amber);
}

.osd-threat-box {
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.threat-badge {
    padding: 4px 10px;
    border: 1px solid var(--cctv-green);
    background: rgba(0, 30, 10, 0.6);
    border-radius: 3px;
    font-size: 12px;
    font-weight: bold;
}

.threat-safe {
    color: var(--cctv-green);
    border-color: var(--cctv-green);
}

.threat-warning {
    color: var(--cctv-amber);
    border-color: var(--cctv-amber);
    background: rgba(40, 25, 0, 0.7);
    animation: pulse-warning 1s infinite alternate;
}

.threat-danger {
    color: var(--cctv-red);
    border-color: var(--cctv-red);
    background: rgba(50, 0, 0, 0.8);
    animation: pulse-danger 0.6s infinite alternate;
}

@keyframes pulse-warning {
    0% { opacity: 0.8; }
    100% { opacity: 1; box-shadow: 0 0 10px var(--cctv-amber); }
}

@keyframes pulse-danger {
    0% { opacity: 0.8; }
    100% { opacity: 1; box-shadow: 0 0 16px var(--cctv-red); }
}

/* Bottom Control Panel & Dock */
#control-dock {
    height: 72px;
    background: #090c0f;
    border-top: 2px solid #16241b;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 60;
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.8);
}

/* Camera Switcher Buttons */
.camera-nav-group {
    display: flex;
    gap: 8px;
}

.cam-btn {
    background: #11181c;
    border: 1px solid #23372c;
    color: #9ab4a5;
    padding: 8px 14px;
    font-family: var(--font-cctv);
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 1px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.cam-btn:hover {
    background: #1a2822;
    color: #fff;
    border-color: var(--cctv-green);
}

.cam-btn.active {
    background: #0f301d;
    color: var(--cctv-green);
    border-color: var(--cctv-green);
    box-shadow: 0 0 10px rgba(51, 255, 102, 0.35);
}

.cam-key-hint {
    background: rgba(0, 0, 0, 0.4);
    padding: 1px 5px;
    border-radius: 2px;
    font-size: 10px;
    color: var(--cctv-amber);
    border: 1px solid #443311;
}

/* Center Action: Report Anomaly Button */
.report-action-group {
    display: flex;
    align-items: center;
}

.btn-report-main {
    background: linear-gradient(180deg, #b31d1d, #750f0f);
    border: 2px solid #ff4d4d;
    color: #ffffff;
    font-family: var(--font-cctv);
    font-size: 15px;
    font-weight: bold;
    letter-spacing: 1.5px;
    padding: 10px 24px;
    border-radius: 4px;
    cursor: pointer;
    box-shadow: 0 0 16px rgba(255, 51, 51, 0.4);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-report-main:hover {
    background: linear-gradient(180deg, #d42222, #941313);
    box-shadow: 0 0 24px rgba(255, 51, 51, 0.7);
    transform: scale(1.02);
}

.btn-report-main:active {
    transform: scale(0.98);
}

/* Utility Tools Group */
.utility-group {
    display: flex;
    gap: 8px;
}

.util-btn {
    background: #11181c;
    border: 1px solid #24352b;
    color: #8c9e94;
    padding: 8px 12px;
    font-family: var(--font-cctv);
    font-size: 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.util-btn:hover {
    background: #1c2b22;
    color: #fff;
    border-color: var(--cctv-green);
}

/* Slide-Up Report Tablet UI */
#report-tablet-modal {
    position: absolute;
    bottom: -100%;
    left: 50%;
    transform: translateX(-50%);
    width: 680px;
    max-width: 95vw;
    background: var(--panel-bg);
    border: 2px solid var(--panel-border-active);
    border-bottom: none;
    border-radius: 12px 12px 0 0;
    box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.9), 0 0 25px rgba(51, 255, 102, 0.25);
    z-index: 100;
    transition: bottom 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.15);
    padding: 20px 24px 28px 24px;
    backdrop-filter: blur(10px);
}

#report-tablet-modal.open {
    bottom: 0;
}

.tablet-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #233f2d;
    padding-bottom: 12px;
    margin-bottom: 18px;
}

.tablet-title {
    font-size: 18px;
    font-weight: bold;
    color: var(--cctv-green);
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-close-tablet {
    background: none;
    border: none;
    color: #7a9485;
    font-size: 20px;
    cursor: pointer;
}

.btn-close-tablet:hover {
    color: #ff4d4d;
}

/* Step 1: Select Room */
.report-section-title {
    font-size: 13px;
    font-weight: bold;
    color: var(--cctv-amber);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.room-selector-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 18px;
}

.room-opt-btn {
    background: #0f1619;
    border: 1px solid #23372b;
    color: #a0b5a8;
    padding: 10px 8px;
    border-radius: 6px;
    font-family: var(--font-cctv);
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s ease;
}

.room-opt-btn:hover {
    background: #182820;
    border-color: var(--cctv-green);
    color: #fff;
}

.room-opt-btn.selected {
    background: #123821;
    border-color: var(--cctv-green);
    color: var(--cctv-green);
    box-shadow: 0 0 10px rgba(51, 255, 102, 0.3);
}

/* Step 2: Select Anomaly Category */
.category-selector-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 22px;
}

.cat-opt-btn {
    background: #0f1619;
    border: 1px solid #23372b;
    color: #a0b5a8;
    padding: 12px 6px;
    border-radius: 6px;
    font-family: var(--font-cctv);
    font-size: 11px;
    font-weight: bold;
    cursor: pointer;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    transition: all 0.15s ease;
}

.cat-opt-btn:hover {
    background: #182820;
    border-color: var(--cctv-green);
    color: #fff;
}

.cat-opt-btn.selected {
    background: #123821;
    border-color: var(--cctv-green);
    color: var(--cctv-green);
    box-shadow: 0 0 10px rgba(51, 255, 102, 0.3);
}

.cat-opt-icon {
    font-size: 22px;
}

/* Submit Report Button */
.tablet-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.btn-send-report {
    flex: 1;
    background: linear-gradient(180deg, #1b7a3e, #0e5227);
    border: 2px solid var(--cctv-green);
    color: #fff;
    padding: 12px 0;
    border-radius: 6px;
    font-family: var(--font-cctv);
    font-size: 15px;
    font-weight: bold;
    letter-spacing: 1.5px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-send-report:hover:not(:disabled) {
    background: linear-gradient(180deg, #22994e, #136932);
    box-shadow: 0 0 18px rgba(51, 255, 102, 0.5);
}

.btn-send-report:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    border-color: #555;
    background: #222;
}

/* Report Progress & Scanner bar */
#report-processing-box {
    display: none;
    margin-top: 14px;
    text-align: center;
}

.scan-progress-bar-bg {
    width: 100%;
    height: 10px;
    background: #07100b;
    border: 1px solid #1a3826;
    border-radius: 5px;
    overflow: hidden;
    margin-top: 6px;
}

.scan-progress-bar-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #22aa44, #55ff77);
    transition: width 0.1s linear;
}

/* Notification Toasts */
#notification-toast {
    position: absolute;
    top: 70px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: rgba(10, 15, 12, 0.95);
    border: 2px solid var(--cctv-green);
    color: #fff;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: bold;
    letter-spacing: 1px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.8), 0 0 20px rgba(51, 255, 102, 0.3);
    z-index: 120;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
}

#notification-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

#notification-toast.success {
    border-color: var(--cctv-green);
    color: var(--cctv-green);
}

#notification-toast.error {
    border-color: var(--cctv-red);
    color: var(--cctv-red);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.8), 0 0 20px rgba(255, 51, 51, 0.4);
}

/* Generic Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background: #0d1216;
    border: 2px solid var(--cctv-green);
    box-shadow: 0 0 35px rgba(51, 255, 102, 0.3);
    border-radius: 8px;
    width: 650px;
    max-width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
    padding: 26px 30px;
    color: #e0ece4;
}

.modal-card h2 {
    color: var(--cctv-green);
    margin-bottom: 16px;
    font-size: 22px;
    letter-spacing: 1.5px;
    border-bottom: 1px solid #1a3826;
    padding-bottom: 10px;
}

.modal-card h3 {
    color: var(--cctv-amber);
    margin: 16px 0 8px 0;
    font-size: 15px;
}

.modal-card p {
    font-size: 13px;
    line-height: 1.6;
    color: #a4b8ad;
    margin-bottom: 12px;
}

.btn-modal-close {
    background: #15221b;
    border: 1px solid var(--cctv-green);
    color: var(--cctv-green);
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-cctv);
    font-weight: bold;
    font-size: 13px;
    margin-top: 20px;
    float: right;
}

.btn-modal-close:hover {
    background: #1f3a2b;
    color: #fff;
}

/* Teacher Manager Cards */
.teacher-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
    margin: 15px 0;
}

.teacher-card {
    background: #090e11;
    border: 1px solid #1f3328;
    border-radius: 6px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.teacher-preview-thumb {
    width: 70px;
    height: 110px;
    object-fit: contain;
    background: #040608;
    border-radius: 4px;
    margin-bottom: 8px;
    border: 1px solid #182820;
}

.teacher-card-name {
    font-size: 11px;
    font-weight: bold;
    color: #fff;
    text-align: center;
    word-break: break-word;
}

.teacher-delete-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background: #3b1010;
    border: 1px solid #ff4444;
    color: #fff;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    cursor: pointer;
    font-size: 11px;
    line-height: 18px;
    text-align: center;
}

.teacher-upload-dropzone {
    border: 2px dashed #284d37;
    background: rgba(15, 30, 22, 0.4);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    margin: 15px 0;
}

.teacher-upload-dropzone:hover {
    border-color: var(--cctv-green);
    background: rgba(25, 45, 32, 0.6);
}

/* Start / Menu Screen */
#title-screen-modal {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(12, 22, 17, 0.96) 0%, rgba(2, 4, 3, 0.99) 80%);
    z-index: 300;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.title-box {
    text-align: center;
    max-width: 680px;
}

.title-logo-icon {
    font-size: 50px;
    margin-bottom: 10px;
    animation: pulse-title 2s infinite alternate;
}

@keyframes pulse-title {
    0% { transform: scale(1); filter: drop-shadow(0 0 5px var(--cctv-green)); }
    100% { transform: scale(1.05); filter: drop-shadow(0 0 15px var(--cctv-green)); }
}

.title-main {
    font-size: 38px;
    font-weight: 900;
    color: #fff;
    letter-spacing: 4px;
    text-shadow: 0 0 15px rgba(51, 255, 102, 0.7);
    margin-bottom: 6px;
}

.title-sub {
    font-size: 15px;
    color: var(--cctv-green);
    letter-spacing: 2px;
    margin-bottom: 24px;
}

.title-instructions {
    background: rgba(10, 18, 14, 0.85);
    border: 1px solid #1e3a29;
    border-radius: 6px;
    padding: 16px 20px;
    font-size: 13px;
    line-height: 1.6;
    color: #b5c7bd;
    text-align: left;
    margin-bottom: 24px;
}

.title-instructions ul {
    margin-left: 20px;
    margin-top: 8px;
}

.btn-start-game {
    background: linear-gradient(180deg, #1f8a47, #0e5227);
    border: 2px solid var(--cctv-green);
    color: #fff;
    font-family: var(--font-cctv);
    font-size: 20px;
    font-weight: bold;
    letter-spacing: 2.5px;
    padding: 14px 44px;
    border-radius: 6px;
    cursor: pointer;
    box-shadow: 0 0 25px rgba(51, 255, 102, 0.4);
    transition: all 0.2s ease;
}

.btn-start-game:hover {
    transform: scale(1.05);
    box-shadow: 0 0 35px rgba(51, 255, 102, 0.7);
}

.btn-start-endless {
    background: linear-gradient(180deg, #6a1b9a, #4a148c) !important;
    border: 2px solid #ba55d3 !important;
    box-shadow: 0 0 20px rgba(186, 85, 211, 0.4) !important;
}

.btn-start-endless:hover {
    background: linear-gradient(180deg, #8e24aa, #6a1b9a) !important;
    box-shadow: 0 0 30px rgba(186, 85, 211, 0.7) !important;
    transform: scale(1.03);
}

/* Game Over & Victory Screens */
#game-over-screen, #victory-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 350;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
}

#game-over-screen {
    background: radial-gradient(circle at center, rgba(40, 5, 5, 0.98), #000);
}

#game-over-screen h1 {
    font-size: 46px;
    color: var(--cctv-red);
    text-shadow: 0 0 25px rgba(255, 51, 51, 0.9);
    letter-spacing: 3px;
    margin-bottom: 12px;
}

#victory-screen {
    background: radial-gradient(circle at center, rgba(10, 45, 25, 0.98), #000);
}

#victory-screen h1 {
    font-size: 46px;
    color: var(--cctv-green);
    text-shadow: 0 0 25px rgba(51, 255, 102, 0.9);
    letter-spacing: 3px;
    margin-bottom: 12px;
}

.stats-card {
    background: rgba(15, 20, 24, 0.9);
    border: 1px solid #335544;
    border-radius: 8px;
    padding: 18px 24px;
    margin: 20px 0;
    font-size: 14px;
    line-height: 1.8;
    color: #cad8d0;
    min-width: 320px;
}

.btn-replay {
    background: #162c20;
    border: 2px solid var(--cctv-green);
    color: #fff;
    font-family: var(--font-cctv);
    font-size: 16px;
    font-weight: bold;
    padding: 12px 30px;
    border-radius: 4px;
    cursor: pointer;
    letter-spacing: 1.5px;
    transition: all 0.2s ease;
}

.btn-replay:hover {
    background: #214732;
    box-shadow: 0 0 20px rgba(51, 255, 102, 0.5);
}

/* --- LEADERBOARD & SCORE ENTRY --- */
.name-entry-card {
    background: rgba(12, 24, 18, 0.95);
    border: 1px solid var(--cctv-green);
    border-radius: 8px;
    padding: 16px 20px;
    margin: 15px 0 20px;
    min-width: 320px;
    max-width: 480px;
    box-shadow: 0 0 15px rgba(51, 255, 102, 0.2);
}

.cctv-input {
    background: #060b08;
    border: 1px solid #234c32;
    color: #fff;
    font-family: var(--font-cctv);
    font-size: 14px;
    padding: 10px 14px;
    border-radius: 4px;
    outline: none;
    transition: border-color 0.2s;
}

.cctv-input:focus {
    border-color: var(--cctv-green);
    box-shadow: 0 0 8px rgba(51, 255, 102, 0.4);
}

.btn-save-score {
    background: linear-gradient(180deg, #1b733b, #0e4c25);
    border: 1px solid var(--cctv-green);
    color: #fff;
    font-family: var(--font-cctv);
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 1px;
    padding: 10px 18px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-save-score:hover {
    background: #228f49;
    box-shadow: 0 0 12px rgba(51, 255, 102, 0.5);
}

.btn-save-score:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Leaderboard Modal Table */
.leaderboard-container {
    max-height: 380px;
    overflow-y: auto;
    margin: 15px 0;
    border: 1px solid #1c3826;
    border-radius: 6px;
    background: #050a07;
}

.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

.leaderboard-table th {
    background: #0d1e14;
    color: var(--cctv-amber);
    padding: 10px 12px;
    font-weight: bold;
    letter-spacing: 1px;
    border-bottom: 1px solid #1c3826;
    position: sticky;
    top: 0;
}

.leaderboard-table td {
    padding: 10px 12px;
    border-bottom: 1px solid #102418;
    color: #cad8d0;
}

.leaderboard-table tr:hover {
    background: #0b1a11;
}

.leaderboard-table tr.highlight-run {
    background: rgba(51, 255, 102, 0.15) !important;
    border-left: 3px solid var(--cctv-green);
}

.rank-gold {
    color: #ffd700;
    font-weight: bold;
}

.rank-silver {
    color: #c0c0c0;
    font-weight: bold;
}

.rank-bronze {
    color: #cd7f32;
    font-weight: bold;
}

.badge-survived {
    background: rgba(51, 255, 102, 0.15);
    color: var(--cctv-green);
    border: 1px solid var(--cctv-green);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: bold;
}

.badge-failed {
    background: rgba(255, 77, 77, 0.15);
    color: #ff8080;
    border: 1px solid #ff4d4d;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
}

.badge-endless {
    background: rgba(186, 85, 211, 0.2);
    color: #dda0dd;
    border: 1px solid #ba55d3;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: bold;
}

/* ==========================================================================
   MOBILE & RESPONSIVE DESIGN (< 768px & Orientation Queries)
   ========================================================================== */

@media (max-width: 768px) {
    /* Monitor & CCTV Canvas */
    #cctv-monitor {
        flex: 1;
        min-height: 0;
        background: #000;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0;
    }

    #camera-viewport {
        width: 100vw;
        max-width: 100vw;
        max-height: 100%;
        aspect-ratio: 16 / 9;
        margin: auto;
    }

    /* Top OSD Header & Clock */
    #cctv-osd {
        padding: 6px 10px;
        font-size: 11px;
        letter-spacing: 1px;
    }

    .osd-rec-box {
        font-size: 10px;
        gap: 4px;
    }

    .rec-dot {
        width: 7px;
        height: 7px;
    }

    .osd-cam-title {
        font-size: 11px;
    }

    .osd-cam-code {
        font-size: 9px;
    }

    .osd-cam-error {
        font-size: 8.5px;
        padding: 1px 4px;
        margin-left: 4px;
    }

    .osd-time-main {
        font-size: 15px;
        letter-spacing: 1px;
    }

    .osd-shift-progress {
        font-size: 9px;
    }

    .threat-badge {
        font-size: 9.5px;
        padding: 2px 5px;
    }

    /* Bottom Control Dock */
    #control-dock {
        height: auto;
        min-height: 74px;
        padding: 4px 6px calc(6px + env(safe-area-inset-bottom, 0px)) 6px;
        display: grid;
        grid-template-columns: 1fr auto;
        grid-template-rows: auto auto;
        gap: 4px;
        background: #090c0f;
        border-top: 1px solid #16241b;
    }

    .camera-nav-group {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 4px;
        width: 100%;
    }

    .cam-btn {
        padding: 5px 2px;
        font-size: 11px;
        justify-content: center;
        text-align: center;
        border-radius: 4px;
        min-height: 34px;
    }

    .cam-key-hint {
        display: none !important;
    }

    .cam-btn-name {
        font-size: 11px;
    }

    .report-action-group {
        grid-column: 1 / 2;
        display: flex;
        width: 100%;
    }

    .btn-report-main {
        width: 100%;
        justify-content: center;
        padding: 7px 8px;
        font-size: 12px;
        letter-spacing: 0.5px;
        min-height: 36px;
    }

    .btn-report-main .cam-key-hint {
        display: none !important;
    }

    .utility-group {
        grid-column: 2 / 3;
        display: flex;
        gap: 4px;
    }

    .util-btn {
        padding: 7px 8px;
        font-size: 10.5px;
        white-space: nowrap;
        min-height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Slide-Up Tactical Report Tablet */
    #report-tablet-modal {
        width: 100vw;
        max-width: 100vw;
        left: 0;
        transform: none;
        border-radius: 12px 12px 0 0;
        padding: 10px 10px calc(10px + env(safe-area-inset-bottom, 0px)) 10px;
        max-height: 78vh;
        max-height: 78dvh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        box-sizing: border-box;
    }

    .tablet-header {
        padding-bottom: 5px;
        margin-bottom: 6px;
    }

    .tablet-title {
        font-size: 11px;
        gap: 4px;
    }

    .btn-close-tablet {
        font-size: 18px;
        padding: 2px 6px;
    }

    .report-section-title {
        font-size: 10px;
        margin-bottom: 3px;
    }

    .room-selector-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 4px;
        margin-bottom: 6px;
    }

    .room-opt-btn {
        min-height: 35px;
        padding: 5px 2px;
        font-size: 10.5px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .category-selector-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 4px;
        margin-bottom: 8px;
    }

    .cat-opt-btn {
        min-height: 36px;
        padding: 4px 4px;
        font-size: 10px;
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: 5px;
    }

    .cat-opt-icon {
        font-size: 14px;
    }

    .btn-send-report {
        padding: 8px;
        font-size: 12px;
        min-height: 36px;
    }

    /* Modal dialogs */
    .modal-card {
        width: 95vw;
        max-width: 95vw;
        max-height: 85vh;
        max-height: 85dvh;
        padding: 12px 10px;
        font-size: 11px;
    }

    .modal-card h2 {
        font-size: 14px;
        margin-bottom: 6px;
        padding-bottom: 4px;
    }

    .modal-card h3 {
        font-size: 11.5px;
        margin: 6px 0 3px;
    }

    .modal-card p {
        font-size: 10.5px;
        margin-bottom: 6px;
    }

    .btn-modal-close {
        font-size: 10.5px;
        padding: 6px 12px;
        margin-top: 8px;
    }

    /* Title / Start Screen */
    #title-screen-modal {
        padding: 8px;
    }

    .title-box {
        max-width: 100%;
    }

    .title-logo-icon {
        font-size: 24px;
        margin-bottom: 2px;
    }

    .title-main {
        font-size: 16px;
        letter-spacing: 1px;
        margin-bottom: 2px;
    }

    .title-sub {
        font-size: 9.5px;
        letter-spacing: 0.5px;
        margin-bottom: 6px;
    }

    .title-instructions {
        padding: 8px 10px;
        font-size: 10px;
        line-height: 1.35;
        margin-bottom: 8px;
        max-height: 42vh;
        max-height: 42dvh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .title-instructions ul {
        margin-left: 12px;
        margin-top: 3px;
    }

    .title-instructions li {
        margin-bottom: 2px;
    }

    .btn-start-game {
        font-size: 13px;
        padding: 9px 16px;
        letter-spacing: 1px;
        width: 100%;
        min-height: 38px;
        box-sizing: border-box;
    }

    /* Game Over & Victory Screens */
    #game-over-screen, #victory-screen {
        padding: 10px;
    }

    #game-over-screen h1, #victory-screen h1 {
        font-size: 18px;
        letter-spacing: 1px;
        margin-bottom: 3px;
    }

    #gameover-reason, #victory-screen p {
        font-size: 11px;
        margin-bottom: 6px;
    }

    .stats-card {
        padding: 8px 10px;
        font-size: 10.5px;
        line-height: 1.45;
        min-width: auto;
        width: 100%;
        max-width: 290px;
        margin: 6px 0;
        box-sizing: border-box;
    }

    .name-entry-card {
        padding: 8px 10px;
        min-width: auto;
        width: 100%;
        max-width: 290px;
        margin: 6px 0 10px;
        box-sizing: border-box;
    }

    .name-entry-card > div[style*="display: flex"] {
        flex-direction: column !important;
        gap: 6px !important;
    }

    .cctv-input {
        width: 100%;
        font-size: 11px;
        padding: 6px 8px;
        box-sizing: border-box;
    }

    .btn-save-score {
        width: 100%;
        font-size: 10.5px;
        padding: 7px 10px;
        text-align: center;
        box-sizing: border-box;
    }

    .btn-replay {
        width: 100%;
        max-width: 250px;
        font-size: 12px;
        padding: 8px 16px;
        box-sizing: border-box;
    }

    /* Leaderboard Modal on Mobile */
    .leaderboard-container {
        max-height: 45vh;
        max-height: 45dvh;
        margin: 8px 0;
    }

    .leaderboard-table th, .leaderboard-table td {
        padding: 6px 4px;
        font-size: 10px;
    }

    .leaderboard-table th:nth-child(6),
    .leaderboard-table td:nth-child(6) {
        display: none; /* Hide date on small phone screens to keep columns legible */
    }

    /* Toast Notification on Mobile */
    #notification-toast {
        top: 40px;
        width: 90vw;
        max-width: 90vw;
        font-size: 11px;
        padding: 8px 10px;
        text-align: center;
        box-sizing: border-box;
    }
}

/* Landscape Mode on Mobile */
@media (max-width: 900px) and (orientation: landscape) {
    #control-dock {
        height: auto;
        min-height: 48px;
        padding: 3px 8px calc(3px + env(safe-area-inset-bottom, 0px)) 8px;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 6px;
    }

    .camera-nav-group {
        display: flex;
        flex: 1;
        gap: 4px;
    }

    .cam-btn {
        min-height: 32px;
        padding: 3px 8px;
        font-size: 10px;
        flex: 1;
    }

    .btn-report-main {
        min-height: 32px;
        padding: 4px 12px;
        font-size: 11px;
        white-space: nowrap;
    }

    .utility-group {
        display: flex;
        gap: 4px;
    }

    .util-btn {
        min-height: 32px;
        padding: 3px 8px;
        font-size: 10px;
        white-space: nowrap;
    }
}