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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Nexus Command Center</title>
<!-- Importing FontAwesome for Icons -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
<!-- Google Fonts -->
<link href="https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap" rel="stylesheet">
<style>
/*
* MODERN CSS VARIABLES & RESET
*/
:root {
--bg-dark: #0f172a;
--bg-panel: rgba(30, 41, 59, 0.7);
--primary: #6366f1; /* Indigo */
--primary-hover: #4f46e5;
--accent: #06b6d4; /* Cyan */
--success: #10b981;
--danger: #ef4444;
--text-main: #f8fafc;
--text-muted: #94a3b8;
--glass-border: 1px solid rgba(255, 255, 255, 0.1);
--shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
--radius: 16px;
--transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
font-family: 'Outfit', sans-serif;
background-color: var(--bg-dark);
background-image:
radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.15) 0px, transparent 50%);
background-attachment: fixed;
color: var(--text-main);
min-height: 100vh;
display: flex;
flex-direction: column;
overflow-x: hidden;
}
/*
* UTILITIES
*/
.glass {
background: var(--bg-panel);
backdrop-filter: blur(12px);
-webkit-backdrop-filter: blur(12px);
border: var(--glass-border);
box-shadow: var(--shadow);
}
.btn {
border: none;
outline: none;
cursor: pointer;
padding: 0.6rem 1.2rem;
border-radius: 8px;
font-weight: 600;
font-family: inherit;
transition: var(--transition);
display: inline-flex;
align-items: center;
gap: 0.5rem;
}
.btn-primary {
background: linear-gradient(135deg, var(--primary), var(--accent));
color: white;
}
.btn-primary:hover {
transform: translateY(-2px);
box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}
.btn-icon {
background: rgba(255,255,255,0.05);
color: var(--text-main);
padding: 0.5rem;
border-radius: 50%;
}
.btn-icon:hover {
background: rgba(255,255,255,0.15);
color: var(--accent);
}
/*
* HEADER
*/
header {
padding: 1rem 2rem;
display: flex;
justify-content: space-between;
align-items: center;
position: sticky;
top: 0;
z-index: 100;
border-bottom: var(--glass-border);
}
.logo {
font-size: 1.5rem;
font-weight: 700;
background: linear-gradient(to right, var(--primary), var(--accent));
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
letter-spacing: -0.5px;
display: flex;
align-items: center;
gap: 0.5rem;
}
.header-controls {
display: flex;
align-items: center;
gap: 1.5rem;
}
.credit-link {
font-size: 0.85rem;
color: var(--text-muted);
text-decoration: none;
transition: var(--transition);
}
.credit-link:hover {
color: var(--accent);
}
.user-avatar {
width: 40px;
height: 40px;
border-radius: 50%;
border: 2px solid var(--primary);
object-fit: cover;
}
/*
* MAIN LAYOUT
*/
main {
flex: 1;
padding: 2rem;
max-width: 1400px;
margin: 0 auto;
width: 100%;
display: grid;
grid-template-columns: repeat(12, 1fr);
grid-template-rows: auto auto;
gap: 1.5rem;
}
/*
* CARDS & WIDGETS
*/
.card {
padding: 1.5rem;
border-radius: var(--radius);
display: flex;
flex-direction: column;
position: relative;
overflow: hidden;
animation: fadeIn 0.6s ease-out;
}
.card-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 1rem;
}
.card-title {
font-size: 1.1rem;
font-weight: 600;
color: var(--text-main);
display: flex;
align-items: center;
gap: 0.5rem;
}
/*
* WIDGET: CLOCK & DATE
*/
.widget-welcome {
grid-column: span 12;
}
.welcome-text h1 {
font-size: 2rem;
margin-bottom: 0.25rem;
}
.date-display {
color: var(--text-muted);
font-size: 1rem;
}
/*
* WIDGET: FOCUS TIMER
*/
.widget-timer {
grid-column: span 12;
md: span 4;
lg: span 4;
align-items: center;
justify-content: center;
min-height: 300px;
}
.timer-circle {
position: relative;
width: 200px;
height: 200px;
}
.timer-circle svg {
transform: rotate(-90deg);
width: 100%;
height: 100%;
}
.timer-circle circle {
fill: none;
stroke-width: 8;
stroke-linecap: round;
}
.circle-bg {
stroke: rgba(255,255,255,0.05);
}
.circle-progress {
stroke: var(--accent);
stroke-dasharray: 565; /* 2 * PI * 90 */
stroke-dashoffset: 0;
transition: stroke-dashoffset 1s linear;
}
.timer-text {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
text-align: center;
}
.time-display {
font-size: 2.5rem;
font-weight: 700;
font-variant-numeric: tabular-nums;
}
.timer-controls {
margin-top: 1.5rem;
display: flex;
gap: 1rem;
}
/*
* WIDGET: TASKS
*/
.widget-tasks {
grid-column: span 12;
md: span 8;
lg: span 5;
height: 400px;
}
.task-input-group {
display: flex;
gap: 0.5rem;
margin-bottom: 1rem;
}
.task-input {
flex: 1;
background: rgba(0,0,0,0.2);
border: 1px solid rgba(255,255,255,0.1);
padding: 0.8rem;
border-radius: 8px;
color: white;
font-family: inherit;
}
.task-input:focus {
outline: none;
border-color: var(--primary);
}
.task-list {
list-style: none;
overflow-y: auto;
flex: 1;
padding-right: 0.5rem;
}
/* Scrollbar styling */
.task-list::-webkit-scrollbar {
width: 6px;
}
.task-list::-webkit-scrollbar-thumb {
background: rgba(255,255,255,0.1);
border-radius: 3px;
}
.task-item {
display: flex;
align-items: center;
justify-content: space-between;
padding: 0.8rem;
background: rgba(255,255,255,0.03);
margin-bottom: 0.5rem;
border-radius: 8px;
transition: var(--transition);
border-left: 3px solid transparent;
}
.task-item:hover {
background: rgba(255,255,255,0.06);
transform: translateX(4px);
}
.task-item.completed {
opacity: 0.5;
text-decoration: line-through;
border-left-color: var(--success);
}
.task-item.pending {
border-left-color: var(--accent);
}
.task-actions button {
background: none;
border: none;
color: var(--text-muted);
cursor: pointer;
padding: 0.4rem;
transition: color 0.2s;
}
.task-actions button:hover {
color: var(--danger);
}
/*
* WIDGET: ANALYTICS (CANVAS)
*/
.widget-analytics {
grid-column: span 12;
lg: span 3;
height: 300px;
}
canvas {
width: 100%;
height: 100%;
}
/*
* WIDGET: QUICK NOTES
*/
.widget-notes {
grid-column: span 12;
lg: span 6;
height: 250px;
}
.notes-area {
width: 100%;
height: 100%;
background: rgba(0,0,0,0.2);
border: 1px solid rgba(255,255,255,0.1);
border-radius: 8px;
padding: 1rem;
color: var(--text-muted);
font-family: inherit;
resize: none;
font-size: 0.95rem;
line-height: 1.5;
}
.notes-area:focus {
outline: none;
border-color: var(--primary);
color: var(--text-main);
}
/*
* TOAST NOTIFICATION
*/
.toast-container {
position: fixed;
bottom: 2rem;
right: 2rem;
z-index: 1000;
display: flex;
flex-direction: column;
gap: 0.5rem;
}
.toast {
background: var(--bg-panel);
backdrop-filter: blur(16px);
border-left: 4px solid var(--accent);
color: white;
padding: 1rem 1.5rem;
border-radius: 8px;
box-shadow: 0 10px 30px rgba(0,0,0,0.5);
display: flex;
align-items: center;
gap: 0.8rem;
animation: slideIn 0.3s ease-out forwards;
min-width: 250px;
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
@keyframes slideIn {
from { transform: translateX(100%); opacity: 0; }
to { transform: translateX(0); opacity: 1; }
}
@keyframes fadeIn {
from { opacity: 0; transform: translateY(20px); }
to { opacity: 1; transform: translateY(0); }
}
/*
* RESPONSIVE MEDIA QUERIES
*/
@media (min-width: 768px) {
.widget-timer { grid-column: span 6; }
.widget-tasks { grid-column: span 6; }
.widget-analytics { grid-column: span 12; }
.widget-notes { grid-column: span 12; }
}
@media (min-width: 1024px) {
.widget-welcome { grid-column: span 8; }
.widget-timer { grid-column: span 4; }
.widget-tasks { grid-column: span 5; }
.widget-analytics { grid-column: span 3; }
.widget-notes { grid-column: span 4; }
}
</style>
</head>
<body>
<!-- Header -->
<header class="glass">
<div class="logo">
<i class="fa-solid fa-cube"></i> NEXUS
</div>
<div class="header-controls">
<a href="https://huggingface.co/spaces/akhaliq/anycoder" target="_blank" class="credit-link">
Built with anycoder <i class="fa-solid fa-arrow-up-right-from-square" style="font-size: 0.7em;"></i>
</a>
<button class="btn-icon" id="theme-toggle" title="Toggle Theme (Demo)">
<i class="fa-solid fa-moon"></i>
</button>
<img src="https://picsum.photos/seed/nexusUser/100/100" alt="User" class="user-avatar">
</div>
</header>
<!-- Main Content -->
<main>
<!-- Welcome Widget -->
<section class="card glass widget-welcome">
<div class="welcome-text">
<h1 id="greeting">Welcome back, Operator.</h1>
<p class="date-display" id="current-date">Loading date...</p>
</div>
</section>
<!-- Timer Widget -->
<section class="card glass widget-timer">
<div class="card-header" style="width: 100%;">
<div class="card-title"><i class="fa-solid fa-hourglass-half"></i> Focus Flow</div>
</div>
<div class="timer-circle">
<svg>
<circle class="circle-bg" cx="50%" cy="50%" r="90"></circle>
<circle class="circle-progress" cx="50%" cy="50%" r="90" id="progress-ring"></circle>
</svg>
<div class="timer-text">
<div class="time-display" id="timer-display">25:00</div>
<div style="font-size: 0.8rem; color: var(--text-muted);">FOCUS MODE</div>
</div>
</div>
<div class="timer-controls">
<button class="btn btn-primary" id="start-btn"><i class="fa-solid fa-play"></i> Start</button>
<button class="btn btn-icon" id="reset-btn"><i class="fa-solid fa-rotate-right"></i></button>
</div>
</section>
<!-- Task List Widget -->
<section class="card glass widget-tasks">
<div class="card-header">
<div class="card-title"><i class="fa-solid fa-list-check"></i> Mission Tasks</div>
<span style="font-size: 0.8rem; color: var(--text-muted);" id="task-count">0 Active</span>
</div>
<form id="task-form" class="task-input-group">
<input type="text" class="task-input" id="task-input" placeholder="Enter new directive..." autocomplete="off">
<button type="submit" class="btn btn-primary"><i class="fa-solid fa-plus"></i></button>
</form>
<ul class="task-list" id="task-list">
<!-- Tasks injected via JS -->
</ul>
</section>
<!-- Analytics Widget -->
<section class="card glass widget-analytics">
<div class="card-header">
<div class="card-title"><i class="fa-solid fa-chart-line"></i> Efficiency</div>
</div>
<div style="flex: 1; position: relative;">
<canvas id="productivityChart"></canvas>
</div>
</section>
<!-- Notes Widget -->
<section class="card glass widget-notes">
<div class="card-header">
<div class="card-title"><i class="fa-regular fa-note-sticky"></i> Quick Log</div>
<button class="btn-icon" id="clear-notes" title="Clear Notes"><i class="fa-solid fa-trash"></i></button>
</div>
<textarea class="notes-area" id="quick-notes" placeholder="Type your observations here..."></textarea>
</section>
</main>
<!-- Toast Container -->
<div class="toast-container" id="toast-container"></div>
<script>
/**
* NEXUS COMMAND CENTER LOGIC
* Pure Vanilla JavaScript - No Frameworks
*/
document.addEventListener('DOMContentLoaded', () => {
initClock();
initTimer();
initTasks();
initNotes();
initChart();
});
/* --- 1. UTILITY FUNCTIONS --- */
const $ = (selector) => document.querySelector(selector);
function showToast(message, type = 'info') {
const container = $('#toast-container');
const toast = document.createElement('div');
toast.className = `toast ${type}`;
let icon = 'fa-info-circle';
if (type === 'success') icon = 'fa-check-circle';
if (type === 'error') icon = 'fa-triangle-exclamation';
toast.innerHTML = `<i class="fa-solid ${icon}"></i> <span>${message}</span>`;
container.appendChild(toast);
// Remove after 3 seconds
setTimeout(() => {
toast.style.animation = 'slideIn 0.3s ease-out reverse forwards';
setTimeout(() => toast.remove(), 300);
}, 3000);
}
/* --- 2. CLOCK & DATE --- */
function initClock() {
const dateEl = $('#current-date');
const greetingEl = $('#greeting');
const hours = new Date().getHours();
// Dynamic Greeting
let greet = 'Welcome back, Operator.';
if (hours < 12) greet = 'Good morning, Operator.';
else if (hours < 18) greet = 'Good afternoon, Operator.';
else greet = 'Good evening, Operator.';
greetingEl.textContent = greet;
const updateTime = () => {
const now = new Date();
dateEl.textContent = now.toLocaleDateString('en-US', {
weekday: 'long', year: 'numeric', month: 'long', day: 'numeric'
}) + ' • ' + now.toLocaleTimeString('en-US', { hour: '2-digit', minute: '2-digit' });
};
updateTime();
setInterval(updateTime, 1000);
}
/* --- 3. FOCUS TIMER --- */
function initTimer() {
let timeLeft = 25 * 60; // 25 minutes
let timerId = null;
let isRunning = false;
const display = $('#timer-display');
const ring = $('#progress-ring');
const startBtn = $('#start-btn');
const resetBtn = $('#reset-btn');
// Circle circumference for dashoffset calculation
const radius = ring.r.baseVal.value;
const circumference = 2 * Math.PI * radius;
ring.style.strokeDasharray = `${circumference} ${circumference}`;
function setProgress(percent) {
const offset = circumference - (percent / 100) * circumference;
ring.style.strokeDashoffset = offset;
}
function updateDisplay() {
const m = Math.floor(timeLeft / 60);
const s = timeLeft % 60;
display.textContent = `${m.toString().padStart(2, '0')}:${s.toString().padStart(2, '0')}`;
const totalTime = 25 * 60;
const percent = ((totalTime - timeLeft) / totalTime) * 100;
setProgress(100 - percent); // Inverse progress (draining)
}
function toggleTimer() {
if (isRunning) {
clearInterval(timerId);
startBtn.innerHTML = '<i class="fa-solid fa-play"></i> Resume';
startBtn.classList.remove('btn-danger'); // Hypothetical class
} else {
timerId = setInterval(() => {
if (timeLeft > 0) {
timeLeft--;
updateDisplay();
} else {
clearInterval(timerId);
isRunning = false;
startBtn.innerHTML = '<i class="fa-solid fa-play"></i> Start';
showToast('Focus session complete!', 'success');
}
}, 1000);
startBtn.innerHTML = '<i class="fa-solid fa-pause"></i> Pause';
}
isRunning = !isRunning;
}
function resetTimer() {
clearInterval(timerId);
isRunning = false;
timeLeft = 25 * 60;
startBtn.innerHTML = '<i class="fa-solid fa-play"></i> Start';
updateDisplay();
setProgress(100);
}
startBtn.addEventListener('click', toggleTimer);
resetBtn.addEventListener('click', resetTimer);
// Initial set
updateDisplay();
}
/* --- 4. TASK MANAGER (Local Storage) --- */
function initTasks() {
const form = $('#task-form');
const input = $('#task-input');
const list = $('#task-list');
const countEl = $('#task-count');
let tasks = JSON.parse(localStorage.getItem('nexus_tasks')) || [
{ id: 1, text: 'Review system logs', completed: false },
{ id: 2, text: 'Update security protocols', completed: true }
];
function save() {
localStorage.setItem('nexus_tasks', JSON.stringify(tasks));
render();
}
function render() {
list.innerHTML = '';
let activeCount = 0;
tasks.forEach(task => {
if (!task.completed) activeCount++;
const li = document.createElement('li');
li.className = `task-item ${task.completed ? 'completed' : 'pending'}`;
li.innerHTML = `
<span>${task.text}</span>
<div class="task-actions">
<button onclick="toggleTask(${task.id})"><i class="fa-solid fa-check"></i></button>
<button onclick="deleteTask(${task.id})"><i class="fa-solid fa-xmark"></i></button>
</div>
`;
list.appendChild(li);
});
countEl.textContent = `${activeCount} Active`;
}
window.toggleTask = (id) => {
tasks = tasks.map(t => t.id === id ? {...t, completed: !t.completed} : t);
save();
};
window.deleteTask = (id) => {
tasks = tasks.filter(t => t.id !== id);
save();
showToast('Task removed', 'info');
};
form.addEventListener('submit', (e) => {
e.preventDefault();
const text = input.value.trim();
if (!text) return;
tasks.unshift({
id: Date.now(),
text,
completed: false
});
input.value = '';
save();
showToast('New directive added', 'success');
});
render();
}
/* --- 5. QUICK NOTES --- */
function initNotes() {
const area = $('#quick-notes');
const clearBtn = $('#clear-notes');
// Load saved notes
area.value = localStorage.getItem('nexus_notes') || '';
// Auto-save on input
area.addEventListener('input', () => {
localStorage.setItem('nexus_notes', area.value);
});
clearBtn.addEventListener('click', () => {
if(confirm('Clear all notes?')) {
area.value = '';
localStorage.removeItem('nexus_notes');
showToast('Notes cleared', 'info');
}
});
}
/* --- 6. CANVAS CHART (Custom Drawing) --- */
function initChart() {
const canvas = $('#productivityChart');
const ctx = canvas.getContext('2d');
// Handle high DPI displays
const dpr = window.devicePixelRatio || 1;
const rect = canvas.getBoundingClientRect();
canvas.width = rect.width * dpr;
canvas.height = rect.height * dpr;
ctx.scale(dpr, dpr);
// Mock Data
const dataPoints = [20, 45, 30, 60, 55, 80, 70];
const labels = ['M', 'T', 'W', 'T', 'F', 'S', 'S'];
const maxVal = 100;
function draw() {
const width = rect.width;
const height = rect.height;
const padding = 20;
const chartHeight = height - padding * 2;
const chartWidth = width - padding * 2;
const stepX = chartWidth / (dataPoints.length - 1);
ctx.clearRect(0, 0, width, height);
// Gradient Fill
const gradient = ctx.createLinearGradient(0, 0, 0, height);
gradient.addColorStop(0, 'rgba(6, 182, 212, 0.5)'); // Cyan
gradient.addColorStop(1, 'rgba(6, 182, 212, 0.0)');
// Draw Area
ctx.beginPath();
ctx.moveTo(padding, height - padding);
dataPoints.forEach((val, index) => {
const x = padding + index * stepX;
const y = height - padding - (val / maxVal) * chartHeight;
if (index === 0) ctx.lineTo(x, y);
else {
// Bezier curve for smoothness
const prevX = padding + (index - 1) * stepX;
const prevY = height - padding - (dataPoints[index - 1] / maxVal) * chartHeight;
const cp1x = prevX + (x - prevX) / 2;
const cp1y = prevY;
const cp2x = prevX + (x - prevX) / 2;
const cp2y = y;
ctx.bezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y);
}
});
ctx.lineTo(width - padding, height - padding);
ctx.closePath();
ctx.fillStyle = gradient;
ctx.fill();
// Draw Line
ctx.beginPath();
dataPoints.forEach((val, index) => {
const x = padding + index * stepX;
const y = height - padding - (val / maxVal) * chartHeight;
if (index === 0) ctx.moveTo(x, y);
else {
const prevX = padding + (index - 1) * stepX;
const prevY = height - padding - (dataPoints[index - 1] / maxVal) * chartHeight;
const cp1x = prevX + (x - prevX) / 2;
const cp1y = prevY;
const cp2x = prevX + (x - prevX) / 2;
const cp2y = y;
ctx.bezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y);
}
});
ctx.strokeStyle = '#06b6d4';
ctx.lineWidth = 3;
ctx.stroke();
// Draw Points
dataPoints.forEach((val, index) => {
const x = padding + index * stepX;
const y = height - padding - (val / maxVal) * chartHeight;
ctx.beginPath();
ctx.arc(x, y, 4, 0, Math.PI * 2);
ctx.fillStyle = '#fff';
ctx.fill();
// Labels
ctx.fillStyle = '#94a3b8';
ctx.font = '10px Outfit';
ctx.textAlign = 'center';
ctx.fillText(labels[index], x, height - 5);
});
}
draw();
// Redraw on resize
window.addEventListener('resize', () => {
const newRect = canvas.getBoundingClientRect();
canvas.width = newRect.width * dpr;
canvas.height = newRect.height * dpr;
ctx.scale(dpr, dpr);
draw();
});
}
</script>
</body>
</html> |