कोडपेन होम सिफर क्वेस्ट: कोडब्रेकर

1884 zegarkidawida

संपादक में खोलें Video अपना कोड प्रकाशित करें

अनुशंसित

28 December 2024

इंडेक्स के साथ बनाया गया एक मैट्रिक्स होम पेज

26 October 2024

प्लान बॉट (होम पेज)

1 June 2025

होम 3D रोटेशन लॉगिन/साइनअप बॉक्स

HTML

<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Secure Access Terminal</title>
    <link rel="stylesheet" href="styles.css">
</head>
<body>
    <div class="container">
        <header>
            <h1 class="glitch-title">ERROR: ACCESS DENIED</h1>
        </header>

<main>
            <section class="keypad-section">
                <div class="keypad-container">
                    <div class="pin-display">
                        <div class="pin-dots">
                            <span class="pin-dot"></span>
                            <span class="pin-dot"></span>
                            <span class="pin-dot"></span>
                            <span class="pin-dot"></span>
                        </div>
                    </div>
                    <div class="keypad-grid">
                        <button class="key" data-key="1">1</button>
                        <button class="key" data-key="2">2</button>
                        <button class="key" data-key="3">3</button>
                        <button class="key" data-key="4">4</button>
                        <button class="key" data-key="5">5</button>
                        <button class="key" data-key="6">6</button>
                        <button class="key" data-key="7">7</button>
                        <button class="key" data-key="8">8</button>
                        <button class="key" data-key="9">9</button>
                        <button class="key key-delete" data-key="delete">DEL</button>
                        <button class="key" data-key="0">0</button>
                        <button class="key key-unlock" data-key="unlock">UNLOCK</button>
                    </div>
                </div>
            </section>

<section class="log-section">
                <div class="log-container">
                    <div class="log-header">
                        <h2>CIPHER ATTEMPT LOG</h2>
                        <div class="attempts-counter">
                            <span class="attempts-text">ATTEMPTS REMAINING:</span>
                            <span class="attempts-number">5</span>
                        </div>
                    </div>
                    <div class="log-content" id="log-content">
                        <div class="log-placeholder">
                            <div class="scanner-line"></div>
                            <p>ENTER ACCESS CODE</p>
                            <p>5 ATTEMPTS BEFORE SECURITY LOCKDOWN</p>
                        </div>
                    </div>
                </div>
            </section>
        </main>

CSS

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700;900&family=Share+Tech+Mono&display=swap');

:root {
    --primary-color: #00ffd5;
    --secondary-color: #ff005b;
    --tertiary-color: #001eff;
    --background-dark: #0a0a14;
    --glass-bg: rgba(23, 25, 35, 0.65);
    --glass-border: rgba(255, 255, 255, 0.1);
    --neu-shadow-dark: rgba(0, 0, 0, 0.4);
    --neu-shadow-light: rgba(255, 255, 255, 0.05);
    --font-main: 'Orbitron', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
}

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

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--background-dark);
    color: var(--primary-color);
    font-family: var(--font-main);
}

.container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    perspective: 1000px;
    background: radial-gradient(circle at center, #1a1a2e, #0a0a14);
    overflow: hidden;
}

header {
    position: relative;
    padding: 20px 0;
    z-index: 10;
    width: 100%;
    text-align: center;
    animation: float 4s ease-in-out infinite;
}

.glitch-title {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: 3px;
    position: relative;
    animation: textShadow 1.6s infinite;
    text-shadow: 0 0 10px var(--primary-color), 
                 0 0 20px var(--primary-color),
                 0 0 30px var(--primary-color);
}

.glitch-title::before, .glitch-title::after {
    content: "ERROR: ACCESS DENIED";
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0.8;
}

.glitch-title::before {
    color: var(--secondary-color);
    animation: glitch 2s infinite;
    clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
    transform: translate(-2px, -2px);
}

.glitch-title::after {
    color: var(--tertiary-color);
    animation: glitch 2s infinite;
    clip-path: polygon(0 60%, 100% 60%, 100% 100%, 0 100%);
    transform: translate(2px, 2px);
}

main {
    display: flex;
    flex: 1;
    padding: 0 20px 30px;
    perspective: 1000px;
    z-index: 5;
    position: relative;
    margin: -35px auto;
}

.keypad-section, .log-section {
    flex: 1;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    animation: fadeIn 1.5s ease-out forwards;
}

.keypad-container {
    width: min(380px, 90%);
    padding: 30px;
    border-radius: 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 15px 35px var(--neu-shadow-dark),
                inset 0 1px 1px var(--neu-shadow-light),
                0 0 20px rgba(0, 255, 213, 0.2);
    transform-style: preserve-3d;
    animation: floatKeypad 6s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.keypad-container::before {
    content: "";
    position: absolute;
    top: -100px;
    left: -100px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 255, 213, 0.1) 0%, transparent 70%);
    opacity: 0.5;
    animation: moveGlow 15s infinite alternate;
}

.pin-display {
    margin-bottom: 30px;
    height: 60px;
    background: rgba(10, 12, 18, 0.8);
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.5),
                0 1px 1px rgba(255, 255, 255, 0.05);
    position: relative;
}

.pin-dots {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.pin-dot {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

.pin-dot.active {
    background: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color),
                0 0 20px var(--primary-color);
    animation: pulseDot 1.5s infinite;
}

.keypad-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(4, 1fr);
    gap: 15px;
}

.key {
    height: clamp(50px, 10vh, 70px);
    border-radius: 15px;
    font-family: var(--font-main);
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    background: linear-gradient(145deg, #15152a, #1a1a33);
    border: none;
    box-shadow: 5px 5px 10px var(--neu-shadow-dark),
                -5px -5px 10px var(--neu-shadow-light);
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.2, 0.85, 0.45, 1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.key::before {
    content: "";
    position: absolute;
    top: -10px;
    left: -10px;
    width: calc(100% + 20px);
    height: calc(100% + 20px);
    background: radial-gradient(circle at 50% 50%, rgba(0, 255, 213, 0.2), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.key:hover {
    transform: translateY(-2px);
}

.key:hover::before {
    opacity: 1;
}

.key:active {
    transform: translateY(2px);
    box-shadow: 3px 3px 6px var(--neu-shadow-dark),
                -3px -3px 6px var(--neu-shadow-light),
                0 0 15px rgba(0, 255, 213, 0.3);
    background: linear-gradient(145deg, #14142a, #191932);
}

.key-delete {
    font-size: 1.2rem;
    color: var(--secondary-color);
}

.key-unlock {
    font-size: 1.2rem;
    color: #0f0;
}

.key-delete:active, .key-unlock:active {
    box-shadow: 3px 3px 6px var(--neu-shadow-dark),
                -3px -3px 6px var(--neu-shadow-light),
                0 0 15px rgba(255, 0, 89, 0.3);
}

.key.clicked {
    animation: keyPress 0.3s forwards;
}

.log-container {
    width: min(440px, 90%);  
    height: min(500px, 80vh);  
    padding: 30px;
    border-radius: 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 15px 35px var(--neu-shadow-dark),
                inset 0 1px 1px var(--neu-shadow-light),
                0 0 20px rgba(0, 255, 213, 0.2);
    display: flex;
    flex-direction: column;
    animation: floatLog 7s ease-in-out infinite;
    transform-style: preserve-3d;
}

.log-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(0, 255, 213, 0.3);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.log-header h2 {
    font-size: 1.8rem;
    letter-spacing: 2px;
    background: linear-gradient(90deg, var(--primary-color), #1ef3ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: pulse 3s infinite alternate;
}

.attempts-counter {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 1.2rem;
}

.attempts-number {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color);
    animation: pulsate 2s infinite alternate;
}

.log-content {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    font-family: var(--font-mono);
    position: relative;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) rgba(0, 0, 0, 0.2);
}

.log-content::-webkit-scrollbar {
    width: 8px;
}

.log-content::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

.log-content::-webkit-scrollbar-thumb {
    background-color: var(--primary-color);
    border-radius: 4px;
}

.log-placeholder {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: rgba(255, 255, 255, 0.6);
    position: relative;
    overflow: hidden;
}

.log-placeholder p {
    font-size: 1.2rem;
    margin: 5px 0;
    text-align: center;
    letter-spacing: 1px;
}

.scanner-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color), 0 0 20px var(--primary-color);
    animation: scanLine 2s linear infinite;
}

.log-entry {
    margin-bottom: 15px;
    padding: 10px 15px;
    background: rgba(10, 15, 20, 0.6);
    border-left: 3px solid var(--primary-color);
    border-radius: 5px;
    animation: fadeInUp 0.5s forwards;
    position: relative;
    overflow: hidden;
}

.log-entry::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 213, 0.1), transparent);
    transform: translateX(-100%);
    animation: scan 2s ease-in-out infinite;
}

.log-entry.error {
    border-left-color: var(--secondary-color);
    background: rgba(20, 0, 10, 0.6);
}

.log-entry.success {
    border-left-color: #0f0;
    background: rgba(0, 20, 10, 0.6);
}

.log-entry .timestamp {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 5px;
}

.log-entry .code {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.log-entry .digit {
    width: 30px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 5px;
    font-weight: bold;
    background: rgba(255, 255, 255, 0.1);
}

.log-entry .digit.correct {
    background: rgba(0, 255, 0, 0.2);
    color: #0f0;
    box-shadow: 0 0 5px #0f0;
    animation: pulse 2s infinite alternate;
}

.log-entry .digit.wrong-position {
    background: rgba(255, 255, 0, 0.2);
    color: #ff0;
    box-shadow: 0 0 5px #ff0;
}

.log-entry .digit.wrong {
    background: rgba(255, 0, 0, 0.2);
    color: #f55;
    box-shadow: 0 0 5px #f55;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, transparent 40%, rgba(0, 0, 0, 0.5) 100%);
    pointer-events: none;
    z-index: 2;
}

.scanlines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0) 0%, 
        rgba(255, 255, 255, 0.01) 50%, 
        rgba(255, 255, 255, 0) 100%);
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 3;
    animation: scanlines 1s steps(60) infinite;
    opacity: 0.2;
}

.glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 255, 213, 0.1), transparent 70%);
    pointer-events: none;
    z-index: 1;
    animation: pulseGlow 8s ease-in-out infinite alternate;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes floatKeypad {
    0%, 100% { transform: translateY(0) rotateX(5deg); }
    50% { transform: translateY(-15px) rotateX(2deg); }
}

@keyframes floatLog {
    0%, 100% { transform: translateY(0) rotateY(-5deg); }
    50% { transform: translateY(-10px) rotateY(-2deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes pulsate {
    0% { text-shadow: 0 0 5px var(--primary-color); }
    100% { text-shadow: 0 0 20px var(--primary-color), 0 0 30px var(--primary-color); }
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.8); }
}

@keyframes scanLine {
    0% { top: 0; }
    100% { top: 100%; }
}

@keyframes scan {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes keyPress {
    0% { transform: scale(1); }
    50% { transform: scale(0.95); background: linear-gradient(145deg, #1a1a33, #15152a); }
    100% { transform: scale(1); }
}

@keyframes glitch {
    0% { transform: translate(0); }
    20% { transform: translate(-3px, 3px); }
    40% { transform: translate(-3px, -3px); }
    60% { transform: translate(3px, 3px); }
    80% { transform: translate(3px, -3px); }
    100% { transform: translate(0); }
}

@keyframes textShadow {
    0% { text-shadow: 0.4389924193300864px 0 1px rgba(0, 255, 213, 0.5), 
                     -0.4389924193300864px 0 1px rgba(255, 0, 91, 0.3), 
                     0 0 3px; }
    5% { text-shadow: 2.7928974010788217px 0 1px rgba(0, 255, 213, 0.5), 
                     -2.7928974010788217px 0 1px rgba(255, 0, 91, 0.3), 
                     0 0 3px; }
    10% { text-shadow: 0.02956275843481219px 0 1px rgba(0, 255, 213, 0.5), 
                      -0.02956275843481219px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    15% { text-shadow: 0.40218538552878136px 0 1px rgba(0, 255, 213, 0.5), 
                      -0.40218538552878136px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    20% { text-shadow: 3.4794037899852017px 0 1px rgba(0, 255, 213, 0.5), 
                      -3.4794037899852017px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    25% { text-shadow: 1.6125630401149584px 0 1px rgba(0, 255, 213, 0.5), 
                      -1.6125630401149584px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    30% { text-shadow: 0.7015590085143956px 0 1px rgba(0, 255, 213, 0.5), 
                      -0.7015590085143956px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    35% { text-shadow: 3.896914047650351px 0 1px rgba(0, 255, 213, 0.5), 
                      -3.896914047650351px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    40% { text-shadow: 3.870905614848819px 0 1px rgba(0, 255, 213, 0.5), 
                      -3.870905614848819px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    45% { text-shadow: 2.231056963361899px 0 1px rgba(0, 255, 213, 0.5), 
                      -2.231056963361899px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    50% { text-shadow: 0.08084290417898504px 0 1px rgba(0, 255, 213, 0.5), 
                      -0.08084290417898504px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    55% { text-shadow: 2.3758461067427543px 0 1px rgba(0, 255, 213, 0.5), 
                      -2.3758461067427543px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    60% { text-shadow: 2.202193051050636px 0 1px rgba(0, 255, 213, 0.5), 
                      -2.202193051050636px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    65% { text-shadow: 2.8638780614874975px 0 1px rgba(0, 255, 213, 0.5), 
                      -2.8638780614874975px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    70% { text-shadow: 0.48874025155497314px 0 1px rgba(0, 255, 213, 0.5), 
                      -0.48874025155497314px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    75% { text-shadow: 1.8948491305757957px 0 1px rgba(0, 255, 213, 0.5), 
                      -1.8948491305757957px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    80% { text-shadow: 0.0833037308038857px 0 1px rgba(0, 255, 213, 0.5), 
                      -0.0833037308038857px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    85% { text-shadow: 0.09769827255241735px 0 1px rgba(0, 255, 213, 0.5), 
                      -0.09769827255241735px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    90% { text-shadow: 3.443339761481782px 0 1px rgba(0, 255, 213, 0.5), 
                      -3.443339761481782px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    95% { text-shadow: 2.1841838852799786px 0 1px rgba(0, 255, 213, 0.5), 
                      -2.1841838852799786px 0 1px rgba(255, 0, 91, 0.3), 
                      0 0 3px; }
    100% { text-shadow: 2.6208764473832513px 0 1px rgba(0, 255, 213, 0.5), 
                       -2.6208764473832513px 0 1px rgba(255, 0, 91, 0.3), 
                       0 0 3px; }
}

@keyframes scanlines {
    from { background-position: 0 0; }
    to { background-position: 0 100%; }
}

@keyframes pulseGlow {
    0% { opacity: 0.3; }
    50% { opacity: 0.6; }
    100% { opacity: 0.3; }
}

@keyframes moveGlow {
    0% { transform: translate(0, 0); }
    25% { transform: translate(250px, 100px); }
    50% { transform: translate(100px, 250px); }
    75% { transform: translate(300px, 0); }
    100% { transform: translate(0, 200px); }
}

@media (max-width: 200px) {
    main {
        flex-direction: column;
        padding: 0 20px 20px;
    }

.keypad-section, .log-section {
        padding: 10px;
    }

.glitch-title {
        font-size: 2.5rem;
    }
}

JS

const PIN_LENGTH = 4;
const MAX_ATTEMPTS = 5;
const CORRECT_PIN = (() => {
  const digits = new Set();
  while (digits.size < 4) { digits.add(Math.floor(Math.random() * 10));
  }
  return Array.from(digits).join('');
})();

const pinDots = document.querySelectorAll('.pin-dot');
const keys = document.querySelectorAll('.key');
const attemptsCounter = document.querySelector('.attempts-number');
const logContent = document.getElementById('log-content');
const container = document.querySelector('.container');

let currentPin = '';
let attemptsRemaining = MAX_ATTEMPTS;
let isLocked = false;

function init() {
    addEventListeners();
    animateElements();
}

function addEventListeners() {
    keys.forEach(key => {
        key.addEventListener('click', () => handleKeyPress(key));

key.addEventListener('mouseenter', () => {
            playSound('hover');
        });
    });

document.addEventListener('keydown', (e) => {
        if (e.code === 'Space') {
            toggleBackgroundAudio();
        }
    });
}

function handleKeyPress(key) {
    if (isLocked) return;

key.classList.add('clicked');
    setTimeout(() => key.classList.remove('clicked'), 300);

playSound('keypress');

const keyValue = key.getAttribute('data-key');

switch (keyValue) {
        case 'delete':
            deleteLastDigit();
            break;
        case 'unlock':
            attemptUnlock();
            break;
        default:

if (currentPin.length < PIN_LENGTH) {
                addDigit(keyValue);
            }
    }
}

function addDigit(digit) {
    if (currentPin.length < PIN_LENGTH) {
        currentPin += digit;
        updatePinDisplay();

if (currentPin.length === PIN_LENGTH) {
            setTimeout(attemptUnlock, 500);
        }
    }
}

function deleteLastDigit() {
    if (currentPin.length > 0) {
        currentPin = currentPin.slice(0, -1);
        updatePinDisplay();
    }
}

function attemptUnlock() {
    if (currentPin.length !== PIN_LENGTH) {
        shakeEffect('.pin-display');
        playSound('error');
        return;
    }

attemptsRemaining--;
    attemptsCounter.textContent = attemptsRemaining;

const isCorrect = checkPin(currentPin);

if (isCorrect) {
        handleSuccessfulUnlock();
    } else {
        handleFailedAttempt();
    }

currentPin = '';
    updatePinDisplay();
}

function checkPin(pin) {
    return pin === CORRECT_PIN;
}

function getPinFeedback(enteredPin) {
    const feedback = [];

for (let i = 0; i < PIN_LENGTH; i++) {
        if (i < enteredPin.length) {
            const digit = enteredPin[i];

if (digit === CORRECT_PIN[i]) {
                feedback.push('correct');
            } else if (CORRECT_PIN.includes(digit)) {
                feedback.push('wrong-position');
            } else {
                feedback.push('wrong');
            }
        } else {
            feedback.push('empty');
        }
    }

return feedback;
}

function handleSuccessfulUnlock() {
    playSound('success');

addLogEntry({
        message: 'ACCESS GRANTED - DECRYPTION SUCCESSFUL',
        pin: currentPin,
        feedback: getPinFeedback(currentPin),
        type: 'success'
    });

container.classList.add('access-granted');

document.body.style.animation = 'pulseSuccess 0.5s 3';

setTimeout(() => {
        alert('Access granted! System unlocked.');
        resetSystem();
    }, 1500);
}

function handleFailedAttempt() {
    playSound('error');
    shakeEffect('.keypad-container');

addLogEntry({
        message: `INVALID PIN - ATTEMPT ${MAX_ATTEMPTS - attemptsRemaining} OF ${MAX_ATTEMPTS}`,
        pin: currentPin,
        feedback: getPinFeedback(currentPin),
        type: 'error'
    });

if (attemptsRemaining <= 0) {
        setTimeout(lockSystem, 500);
    }
}

function lockSystem() {
    isLocked = true;

const lockMessage = 'SECURITY BREACH DETECTED - SYSTEM LOCKED';
    addLogEntry({
        message: lockMessage,
        type: 'error',
        isLockout: true
    });

playSound('lockdown');

shakeEffect('.keypad-container', 10);
    shakeEffect('.log-container', 10);

container.classList.add('system-locked');

setTimeout(() => {
        alert('Too many failed attempts. System locked!');
        resetSystem();
    }, 3000);
}

function resetSystem() {

currentPin = '';
    attemptsRemaining = MAX_ATTEMPTS;
    isLocked = false;

updatePinDisplay();
    attemptsCounter.textContent = attemptsRemaining;
    container.classList.remove('system-locked', 'access-granted');

if (logContent.querySelector('.log-placeholder')) {
        return; 
    }

logContent.innerHTML = `
        <div class="log-placeholder">
            <div class="scanner-line"></div>
            <p>ENTER ACCESS CODE</p>
            <p>5 ATTEMPTS BEFORE SECURITY LOCKDOWN</p>
        </div>
    `;

playSound('reset');
}

function addLogEntry(entry) {

const placeholder = logContent.querySelector('.log-placeholder');
    if (placeholder) {
        logContent.removeChild(placeholder);
    }

const logEntry = document.createElement('div');
    logEntry.className = `log-entry ${entry.type || ''}`;

const now = new Date();
    const timestamp = `${now.getHours().toString().padStart(2, '0')}:${now.getMinutes().toString().padStart(2, '0')}:${now.getSeconds().toString().padStart(2, '0')}.${now.getMilliseconds().toString().padStart(3, '0')}`;

let logHTML = `<div class="timestamp">[${timestamp}]</div>`;
    logHTML += `<div class="message">${entry.message}</div>`;

if (entry.pin && entry.feedback) {
        logHTML += '<div class="code">';

for (let i = 0; i < PIN_LENGTH; i++) {
            if (i < entry.pin.length) {
                const digitClass = entry.feedback[i];
                logHTML += `<div class="digit ${digitClass}">${entry.pin[i]}</div>`;
            } else {
                logHTML += `<div class="digit">-</div>`;
            }
        }

logHTML += '</div>';
    }

if (entry.isLockout) {
        logHTML += `
            <div class="lockout-animation">
                <div class="lockout-text">SYSTEM LOCKDOWN</div>
            </div>
        `;
    }

logEntry.innerHTML = logHTML;
    logContent.appendChild(logEntry);

logContent.scrollTop = logContent.scrollHeight;
}

function shakeEffect(selector, intensity = 5) {
    const element = document.querySelector(selector);
    element.style.animation = `shake 0.5s cubic-bezier(.36,.07,.19,.97) both`;
    element.style.transform = `translate3d(0, 0, 0)`;

let style = document.getElementById('shake-style');
    if (!style) {
        style = document.createElement('style');
        style.id = 'shake-style';
        document.head.appendChild(style);
    }

style.innerHTML = keyframes;

setTimeout(() => {
        element.style.animation = '';
    }, 500);
}

function playSound(type) {

if (!window.audioContext) {
        window.audioContext = new (window.AudioContext || window.webkitAudioContext)();
    }

const context = window.audioContext;

const oscillator = context.createOscillator();
    const gain = context.createGain();

oscillator.connect(gain);
    gain.connect(context.destination);

switch (type) {
        case 'keypress':
            oscillator.type = 'sine';
            oscillator.frequency.setValueAtTime(880, context.currentTime);
            oscillator.frequency.exponentialRampToValueAtTime(440, context.currentTime + 0.1);
            gain.gain.setValueAtTime(0.2, context.currentTime);
            gain.gain.exponentialRampToValueAtTime(0.01, context.currentTime + 0.1);
            oscillator.start(context.currentTime);
            oscillator.stop(context.currentTime + 0.1);
            break;

case 'error':
            oscillator.type = 'sawtooth';
            oscillator.frequency.setValueAtTime(300, context.currentTime);
            oscillator.frequency.setValueAtTime(280, context.currentTime + 0.1);
            oscillator.frequency.setValueAtTime(260, context.currentTime + 0.2);
            gain.gain.setValueAtTime(0.3, context.currentTime);
            gain.gain.exponentialRampToValueAtTime(0.01, context.currentTime + 0.3);
            oscillator.start(context.currentTime);
            oscillator.stop(context.currentTime + 0.3);
            break;

case 'success':
            oscillator.type = 'sine';
            oscillator.frequency.setValueAtTime(440, context.currentTime);
            oscillator.frequency.setValueAtTime(554, context.currentTime + 0.1);
            oscillator.frequency.setValueAtTime(659, context.currentTime + 0.2);
            gain.gain.setValueAtTime(0.3, context.currentTime);
            gain.gain.exponentialRampToValueAtTime(0.01, context.currentTime + 0.3);
            oscillator.start(context.currentTime);
            oscillator.stop(context.currentTime + 0.3);
            break;

case 'lockdown':
            oscillator.type = 'triangle';
            oscillator.frequency.setValueAtTime(180, context.currentTime);
            oscillator.frequency.setValueAtTime(150, context.currentTime + 0.1);
            oscillator.frequency.setValueAtTime(120, context.currentTime + 0.2);
            oscillator.frequency.setValueAtTime(100, context.currentTime + 0.3);
            gain.gain.setValueAtTime(0.4, context.currentTime);
            gain.gain.exponentialRampToValueAtTime(0.01, context.currentTime + 0.4);
            oscillator.start(context.currentTime);
            oscillator.stop(context.currentTime + 0.4);
            break;

case 'hover':
            oscillator.type = 'sine';
            oscillator.frequency.setValueAtTime(1760, context.currentTime);
            gain.gain.setValueAtTime(0.05, context.currentTime);
            gain.gain.exponentialRampToValueAtTime(0.01, context.currentTime + 0.05);
            oscillator.start(context.currentTime);
            oscillator.stop(context.currentTime + 0.05);
            break;

case 'reset':
            oscillator.type = 'sine';
            oscillator.frequency.setValueAtTime(659, context.currentTime);
            oscillator.frequency.setValueAtTime(554, context.currentTime + 0.1);
            oscillator.frequency.setValueAtTime(440, context.currentTime + 0.2);
            gain.gain.setValueAtTime(0.2, context.currentTime);
            gain.gain.exponentialRampToValueAtTime(0.01, context.currentTime + 0.3);
            oscillator.start(context.currentTime);
            oscillator.stop(context.currentTime + 0.3);
            break;
    }
}

let backgroundAudio = null;

function createBackgroundAudio() {
    if (!window.audioContext) {
        window.audioContext = new (window.AudioContext || window.webkitAudioContext)();
    }

const context = window.audioContext;

const bufferSize = 2 * context.sampleRate;
    const noiseBuffer = context.createBuffer(1, bufferSize, context.sampleRate);
    const output = noiseBuffer.getChannelData(0);

for (let i = 0; i < bufferSize; i++) {
        output[i] = Math.random() * 2 - 1;
    }

const noise = context.createBufferSource();
    noise.buffer = noiseBuffer;
    noise.loop = true;

const filter = context.createBiquadFilter();
    filter.type = 'lowpass';
    filter.frequency.value = 400;

const gain = context.createGain();
    gain.gain.value = 0.03;

noise.connect(filter);
    filter.connect(gain);
    gain.connect(context.destination);

noise.start(0);

return {
        noise,
        gain,
        filter,
        isPlaying: true
    };
}

function animateElements() {

document.addEventListener('click', () => {
        if (!backgroundAudio) {
            backgroundAudio = createBackgroundAudio();
        }
    }, { once: true });
}

init();

अनुशंसित

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