/* ========== Base Styles & Reset ========== */
:root {
    /* Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #333333;
    --text-secondary: #6c757d;
    --accent-primary: #6366f1;
    --accent-secondary: #818cf8;
    --border-color: #e9ecef;
    --card-bg: #ffffff;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --gradient-start: #6366f1;
    --gradient-end: #8b5cf6;
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    /* Dark Mode Colors */
    --dark-bg-primary: #121212;
    --dark-bg-secondary: #1e1e1e;
    --dark-text-primary: #f8f9fa;
    --dark-text-secondary: #adb5bd;
    --dark-border-color: #2d2d2d;
    --dark-card-bg: #1e1e1e;
    --dark-shadow-color: rgba(0, 0, 0, 0.3);
    
    /* Dimensions */
    --header-height: 60px;
    --nav-height: 60px;
    --content-padding: 16px;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;

    /* Transitions */
    --transition-speed: 0.3s;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.dark-mode {
    --bg-primary: var(--dark-bg-primary);
    --bg-secondary: var(--dark-bg-secondary);
    --text-primary: var(--dark-text-primary);
    --text-secondary: var(--dark-text-secondary);
    --border-color: var(--dark-border-color);
    --card-bg: var(--dark-card-bg);
    --shadow-color: var(--dark-shadow-color);
}

/* ========== Layout & Container Styles ========== */
.app-container {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--bg-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--content-padding);
    z-index: 100;
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: background-color var(--transition-speed);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-primary);
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.profile-icon {
    width: 32px;
    height: 32px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

main {
    padding: var(--header-height) var(--content-padding) var(--nav-height);
    flex: 1;
    overflow-x: hidden;
    background-color: var(--bg-secondary);
    transition: background-color var(--transition-speed);
}

/* ========== Navigation Styles ========== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: var(--bg-primary);
    box-shadow: 0 -2px 8px var(--shadow-color);
    z-index: 100;
    transition: background-color var(--transition-speed);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-speed);
    flex: 1;
    padding: 8px 0;
}

.nav-item svg {
    width: 24px;
    height: 24px;
    margin-bottom: 4px;
}

.nav-item span {
    font-size: 0.7rem;
}

.nav-item.active {
    color: var(--accent-primary);
}

/* ========== Tab Content Styles ========== */
.tab-content {
    display: none;
    padding: 16px 0;
}

.tab-content.active {
    display: block;
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.section-heading h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.view-all {
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.875rem;
}

/* ========== Stats Overview Styles ========== */
.stats-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.second-row {
    margin-bottom: 24px;
}

.stat-box {
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), background-color var(--transition-speed);
}

.stat-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--shadow-color);
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
}

.investment-icon {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
}

.earnings-icon {
    background: linear-gradient(135deg, #10b981, #34d399);
    color: white;
}

.projects-icon {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    color: white;
}

.tasks-icon {
    background: linear-gradient(135deg, #ec4899, #f472b6);
    color: white;
}

.roi-icon {
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    color: white;
}

.monthly-icon {
    background: linear-gradient(135deg, #8b5cf6, #a78bfa);
    color: white;
}

.stat-info h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ========== Projects Container Styles ========== */
.toggle-container {
    display: flex;
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 2px;
    border: 1px solid var(--border-color);
}

.toggle {
    padding: 4px 12px;
    border-radius: 16px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.toggle.active {
    background-color: var(--accent-primary);
    color: white;
}

.projects-container {
    margin-bottom: 24px;
}

.project-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    padding: 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), background-color var(--transition-speed);
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.project-logo {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 12px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-info {
    flex: 1;
}

.project-name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.project-stats {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    gap: 8px;
}

.project-tag {
    display: inline-block;
    padding: 2px 6px;
    background-color: var(--accent-primary);
    color: white;
    border-radius: 4px;
    font-size: 0.75rem;
    text-transform: uppercase;
}

/* ========== News Preview Styles ========== */
.news-scroll-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -16px;
    padding: 0 16px;
}

.news-preview {
    display: flex;
    gap: 16px;
    padding-bottom: 16px;
}

.news-card {
    flex: 0 0 280px;
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), background-color var(--transition-speed);
}

.news-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.news-image {
    height: 140px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-content {
    padding: 12px;
}

.news-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.news-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
}

.news-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.news-tag {
    display: inline-block;
    padding: 2px 6px;
    background-color: var(--accent-secondary);
    color: white;
    border-radius: 4px;
    font-size: 0.75rem;
}

/* ========== Investment & Earning Styles ========== */
.chart-container {
    background: var(--card-bg);
    padding: 16px;
    border-radius: var(--border-radius-md);
    margin-bottom: 20px;
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: background-color var(--transition-speed);
}

.chart-container h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.action-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.action-button {
    padding: 12px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    color: white;
    text-align: center;
}

.action-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.investment-btn {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

.earning-btn {
    background: linear-gradient(135deg, #10b981, #34d399);
}

.history-section {
    background: var(--card-bg);
    padding: 16px;
    border-radius: var(--border-radius-md);
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: background-color var(--transition-speed);
}

.history-section h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.history-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.history-item:last-child {
    border-bottom: none;
}

.history-details {
    flex: 1;
}

.history-type {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    margin-right: 8px;
    color: white;
}

.history-type.investment {
    background-color: var(--accent-primary);
}

.history-type.earning {
    background-color: var(--success-color);
}

.history-description {
    font-size: 0.875rem;
    color: var(--text-primary);
}

.history-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.history-amount {
    font-weight: 600;
}

.history-amount.investment {
    color: var(--accent-primary);
}

.history-amount.earning {
    color: var(--success-color);
}

.history-delete {
    cursor: pointer;
    color: var(--text-secondary);
    margin-left: 12px;
    transition: color var(--transition-speed);
}

.history-delete:hover {
    color: var(--error-color);
}

/* ========== Explore Tab Styles ========== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 16px;
}

.explore-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1rem;
    border-radius: 1rem;
    transition: transform 0.3s ease;
}

.explore-logo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.circular-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.explore-info {
    text-align: center;
}

.explore-name {
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.explore-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ========== Project Detail Styles ========== */
.back-button {
    display: flex;
    align-items: center;
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 20px;
    cursor: pointer;
}

.back-button svg {
    width: 16px;
    height: 16px;
    margin-right: 4px;
}

.project-detail-content {
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: background-color var(--transition-speed);
}

.project-header {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    padding: 20px;
    display: flex;
    align-items: center;
    color: white;
}

.project-header-logo {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
    overflow: hidden;
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.project-header-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-header-info {
    flex: 1;
}

.project-header-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.project-header-description {
    font-size: 0.875rem;
    opacity: 0.9;
}

.project-body {
    padding: 20px;
}

.project-section {
    margin-bottom: 20px;
}

.project-section-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
}

.project-detail-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.project-detail-item {
    padding: 8px 0;
}

.project-detail-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.project-detail-value {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.project-social-links {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
    color: var(--text-primary);
}

.social-link:hover {
    transform: translateY(-2px);
    background-color: var(--accent-primary);
    color: white;
}

.project-actions {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-top: 20px;
}

.project-action-btn {
    padding: 10px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-action-btn svg {
    width: 16px;
    height: 16px;
    margin-right: 4px;
}

.favorite-btn {
    background-color: var(--warning-color);
    color: white;
}

.join-btn {
    background-color: var(--accent-primary);
    color: white;
}

.external-btn {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.project-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

/* ========== Tasks Tab Styles ========== */
.task-stats {
    background-color: var(--accent-primary);
    color: white;
    padding: 4px 10px;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.task-project {
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: background-color var(--transition-speed);
}

.task-project-header {
    padding: 16px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.task-project-logo {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 12px;
    border: 2px solid var(--border-color);
    transition: border-color var(--transition-speed);
}

.task-project-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.task-project-info {
    flex: 1;
}

.task-project-name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.task-progress {
    height: 4px;
    background-color: var(--bg-secondary);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 4px;
}

.task-progress-bar {
    height: 100%;
    background-color: var(--success-color);
    border-radius: 2px;
    transition: width var(--transition-speed);
}

.task-progress-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.task-add-btn {
    padding: 4px 8px;
    border: none;
    border-radius: var(--border-radius-sm);
    background-color: var(--accent-secondary);
    color: white;
    font-size: 0.75rem;
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

.task-add-btn:hover {
    background-color: var(--accent-primary);
}

.task-items {
    padding: 8px 16px;
}

.task-item {
    display: flex;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.task-item:last-child {
    border-bottom: none;
}

.task-checkbox {
    margin-right: 10px;
    position: relative;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid var(--accent-primary);
    cursor: pointer;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.task-checkbox.checked {
    background-color: var(--accent-primary);
}

.task-checkbox.checked::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 6px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.task-name {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.task-delete {
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
}

.task-delete:hover {
    color: var(--error-color);
}

/* ========== Statistics Tab Styles ========== */
.leaderboard {
    background: var(--card-bg);
    padding: 16px;
    border-radius: var(--border-radius-md);
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: background-color var(--transition-speed);
}

.leaderboard h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.leaderboard-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.leaderboard-item:last-child {
    border-bottom: none;
}

.leaderboard-rank {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 12px;
    color: var(--text-primary);
}

.leaderboard-rank.top-1 {
    background-color: gold;
    color: #333;
}

.leaderboard-rank.top-2 {
    background-color: silver;
    color: #333;
}

.leaderboard-rank.top-3 {
    background-color: #cd7f32;
    color: white;
}

.leaderboard-logo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 12px;
}

.leaderboard-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.leaderboard-info {
    flex: 1;
}

.leaderboard-name {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2px;
    color: var(--text-primary);
}

.leaderboard-funding {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.leaderboard-percentage {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--success-color);
    margin-left: 8px;
}

/* ========== News Tab Styles ========== */
.news-filters {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 16px;
    margin: 0 -16px;
    padding-left: 16px;
    padding-right: 16px;
}

.filter-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 20px;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.filter-btn.active {
    background-color: var(--accent-primary);
    color: white;
}

.news-container {
    display: grid;
    gap: 16px;
}

.news-item {
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), background-color var(--transition-speed);
}

.news-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.news-detail-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.news-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-detail-content {
    padding: 20px;
}

.news-detail-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.news-detail-meta {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.news-detail-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-right: 12px;
}

.news-detail-body {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.news-detail-body p {
    margin-bottom: 16px;
}

/* ========== Profile/About Styles ========== */
.about-content {
    display: grid;
    gap: 16px;
}

.about-card, .settings-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    padding: 16px;
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: background-color var(--transition-speed);
}

.about-card h3, .settings-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.about-card p {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--accent-primary);
    font-size: 0.875rem;
    transition: opacity var(--transition-speed);
}

.social-link:hover {
    opacity: 0.8;
}

.social-link svg {
    width: 16px;
    height: 16px;
    margin-right: 4px;
}

.theme-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.theme-toggle span {
    font-size: 0.875rem;
    color: var(--text-primary);
}

.switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-secondary);
    transition: var(--transition-speed);
    border-radius: 24px;
    border: 1px solid var(--border-color);
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 2px;
    background-color: var(--accent-primary);
    transition: var(--transition-speed);
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent-secondary);
}

input:checked + .slider:before {
    transform: translateX(23px);
    background-color: white;
}

/* ========== Modal Styles ========== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    padding: 20px;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-md);
    width: 100%;
    max-width: 400px;
    padding: 20px;
    box-shadow: 0 4px 16px var(--shadow-color);
    transition: background-color var(--transition-speed);
    animation: modalFadeIn 0.3s ease;
}

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

.modal-content h2 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: border-color var(--transition-speed), background-color var(--transition-speed);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent-primary);
    outline: none;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.form-actions button {
    padding: 8px 16px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.form-actions button[type="button"] {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.form-actions button[type="submit"] {
    background-color: var(--accent-primary);
    color: white;
}

.form-actions button:hover {
    transform: translateY(-2px);
}

/* ========== Utility Classes ========== */
.empty-state {
    text-align: center;
    padding: 24px 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ========== Responsive Styles ========== */
@media (min-width: 768px) {
    :root {
        --content-padding: 24px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
    
    .news-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    :root {
        --content-padding: 32px;
    }
    
    .app-container {
        max-width: 1200px;
        margin: 0 auto;
    }
    
    header {
        border-radius: var(--border-radius-md);
        margin: 16px auto;
        width: calc(100% - 32px);
        max-width: 1168px;
    }
    
    .bottom-nav {
        border-radius: var(--border-radius-md);
        margin: 0 auto 16px;
        width: calc(100% - 32px);
        max-width: 1168px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .news-container {
        grid-template-columns: 1fr 1fr 1fr;
    }
}


// ... keep existing styles

.explore-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1rem;
    border-radius: 1rem;
    transition: transform 0.3s ease;
}

.explore-logo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.circular-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.explore-info {
    text-align: center;
}

.explore-name {
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.explore-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
}


// ... keep existing styles

.explore-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1rem;
    border-radius: 1rem;
    transition: transform 0.3s ease;
}

.explore-logo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.circular-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.explore-info {
    text-align: center;
}

.explore-name {
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.explore-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
}