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ramakanth98ramakanth98
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Add dark mode support: update header and CSS styles
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3 files changed

+333
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‎src/components/Layout/Header.tsx‎

Lines changed: 47 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1,12 +1,36 @@
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import React from 'react';
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import { Globe } from 'lucide-react';
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import React, { useState, useEffect } from 'react';
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import { Globe, Moon, Sun } from 'lucide-react';
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/**
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* Header component with the application logo and title
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* Header component with the application logo, title, and dark mode toggle
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* @component
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* @returns {JSX.Element} The application header with ProgramEarth branding
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* @returns {JSX.Element} The application header with ProgramEarth branding and dark mode toggle
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*/
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export const Header: React.FC = () => {
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const [isDarkMode, setIsDarkMode] = useState(false);
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// Load dark mode preference from localStorage on mount
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useEffect(() => {
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const savedTheme = localStorage.getItem('darkMode');
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if (savedTheme === 'true') {
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setIsDarkMode(true);
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document.documentElement.classList.add('dark');
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}
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}, []);
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// Toggle dark mode and save preference
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const toggleDarkMode = () => {
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const newDarkMode = !isDarkMode;
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setIsDarkMode(newDarkMode);
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localStorage.setItem('darkMode', newDarkMode.toString());
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if (newDarkMode) {
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document.documentElement.classList.add('dark');
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} else {
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document.documentElement.classList.remove('dark');
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}
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};
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return (
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<header className="header">
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<div className="header-logo">
@@ -15,6 +39,25 @@ export const Header: React.FC = () => {
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</div>
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<span>ProgramEarth</span>
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</div>
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<div className="header-controls">
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<div className="dark-mode-container">
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<span className="dark-mode-label">
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{isDarkMode ? 'Light Mode' : 'Dark Mode'}
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</span>
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<button
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className={`dark-mode-toggle ${isDarkMode ? 'dark-mode-toggle--active' : ''}`}
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onClick={toggleDarkMode}
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aria-label={`Switch to ${isDarkMode ? 'light' : 'dark'} mode`}
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>
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<div className="dark-mode-toggle__slider">
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<div className="dark-mode-toggle__icon">
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{isDarkMode ? <Sun size={18} /> : <Moon size={18} />}
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</div>
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</div>
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</button>
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</div>
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</div>
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</header>
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);
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};

‎src/styles/globals.css‎

Lines changed: 122 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -10,6 +10,12 @@ body {
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min-height: 100vh;
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margin: 0;
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padding: 0;
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transition: all 0.3s ease;
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}
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/* Dark mode body */
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.dark body {
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background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
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}
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.app-container {
@@ -22,6 +28,13 @@ body {
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margin: 10px;
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box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
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overflow: hidden;
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transition: all 0.3s ease;
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}
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/* Dark mode app container */
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.dark .app-container {
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background: rgba(0, 0, 0, 0.2);
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box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
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}
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.main-content {
@@ -35,8 +48,116 @@ body {
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width: 16px;
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height: 16px;
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cursor: pointer;
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accent-color: #667eea;
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border: 1px solid rgba(102, 126, 234, 0.3);
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border-radius: 3px;
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}
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.checkbox-input--disabled {
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cursor: not-allowed;
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}
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opacity: 0.5;
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}
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/* Header controls */
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.header-controls {
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display: flex;
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align-items: center;
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gap: 16px;
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margin-left: auto;
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}
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/* Dark mode container */
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.dark-mode-container {
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display: flex;
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align-items: center;
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gap: 12px;
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background: rgba(255, 255, 255, 0.1);
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padding: 8px 16px;
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border-radius: 25px;
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backdrop-filter: blur(10px);
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border: 1px solid rgba(255, 255, 255, 0.2);
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transition: all 0.3s ease;
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}
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.dark-mode-container:hover {
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background: rgba(255, 255, 255, 0.15);
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transform: translateY(-1px);
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}
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.dark-mode-label {
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font-size: 14px;
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font-weight: 600;
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color: #2c3e50;
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transition: all 0.3s ease;
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white-space: nowrap;
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}
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/* Dark mode toggle switch */
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.dark-mode-toggle {
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position: relative;
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width: 70px;
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height: 35px;
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background: rgba(255, 255, 255, 0.2);
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border-radius: 17.5px;
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border: none;
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cursor: pointer;
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transition: all 0.3s ease;
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backdrop-filter: blur(5px);
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box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
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}
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.dark-mode-toggle:hover {
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background: rgba(255, 255, 255, 0.3);
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transform: scale(1.05);
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}
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.dark-mode-toggle--active {
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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}
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.dark-mode-toggle--active:hover {
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background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
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}
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.dark-mode-toggle__slider {
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position: absolute;
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top: 2px;
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left: 2px;
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width: 31px;
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height: 31px;
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background: white;
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border-radius: 50%;
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transition: all 0.3s ease;
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display: flex;
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align-items: center;
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justify-content: center;
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box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
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}
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.dark-mode-toggle--active .dark-mode-toggle__slider {
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transform: translateX(35px);
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background: #1a1a2e;
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}
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.dark-mode-toggle__icon {
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color: #667eea;
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transition: all 0.3s ease;
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}
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.dark-mode-toggle--active .dark-mode-toggle__icon {
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color: #fbbf24;
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}
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/* Dark mode styles for toggle */
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.dark .dark-mode-container {
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background: rgba(0, 0, 0, 0.2);
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border: 1px solid rgba(255, 255, 255, 0.1);
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}
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.dark .dark-mode-container:hover {
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background: rgba(0, 0, 0, 0.3);
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}
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.dark .dark-mode-label {
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color: #e2e8f0;
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}

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