/* Base Styles */
:root {
    /* Light Theme Colors */
    --light-bg: #f5f8ff;
    --light-surface: #ffffff;
    --light-primary: #3361ff;
    --light-secondary: #5d7eff;
    --light-accent: #ffb23f;
    --light-text: #333333;
    --light-text-secondary: #666666;
    --light-border: #e1e8ff;
    --light-success: #4caf50;
    --light-error: #f44336;
    --light-warning: #ff9800;
    --light-chart-1: #3361ff;
    --light-chart-2: #00c6ff;
    --light-chart-3: #ffb23f;
    --light-chart-4: #aa4cfc;
    --light-chart-5: #4caf50;
    
    /* Dark Theme Colors */
    --dark-bg: #121824;
    --dark-surface: #1e2635;
    --dark-primary: #4d7dff;
    --dark-secondary: #7d9aff;
    --dark-accent: #ffca80;
    --dark-text: #e0e6ff;
    --dark-text-secondary: #a3aed0;
    --dark-border: #2a3245;
    --dark-success: #66bb6a;
    --dark-error: #ef5350;
    --dark-warning: #ffa726;
    --dark-chart-1: #4d7dff;
    --dark-chart-2: #33d9ff;
    --dark-chart-3: #ffca80;
    --dark-chart-4: #c583ff;
    --dark-chart-5: #66bb6a;
    
    /* Fixed Variables */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --box-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
    --blur-effect: blur(20px);
    
    /* Active Theme Colors (defaults to light) */
    --bg: var(--light-bg);
    --surface: var(--light-surface);
    --primary: var(--light-primary);
    --secondary: var(--light-secondary);
    --accent: var(--light-accent);
    --text: var(--light-text);
    --text-secondary: var(--light-text-secondary);
    --border: var(--light-border);
    --success: var(--light-success);
    --error: var(--light-error);
    --warning: var(--light-warning);
    --chart-1: var(--light-chart-1);
    --chart-2: var(--light-chart-2);
    --chart-3: var(--light-chart-3);
    --chart-4: var(--light-chart-4);
    --chart-5: var(--light-chart-5);
}

/* Dark Theme Class */
.dark-theme {
    --bg: var(--dark-bg);
    --surface: var(--dark-surface);
    --primary: var(--dark-primary);
    --secondary: var(--dark-secondary);
    --accent: var(--dark-accent);
    --text: var(--dark-text);
    --text-secondary: var(--dark-text-secondary);
    --border: var(--dark-border);
    --success: var(--dark-success);
    --error: var(--dark-error);
    --warning: var(--dark-warning);
    --chart-1: var(--dark-chart-1);
    --chart-2: var(--dark-chart-2);
    --chart-3: var(--dark-chart-3);
    --chart-4: var(--dark-chart-4);
    --chart-5: var(--dark-chart-5);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: var(--transition);
    min-height: 100vh;
    padding-bottom: 70px;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-sm);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 1.8rem;
}

h2 {
    font-size: 1.5rem;
}

h3 {
    font-size: 1.2rem;
}

p {
    margin-bottom: var(--spacing-md);
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo i {
    font-size: 1.8rem;
    color: var(--primary);
}

.header-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.2rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: 50%;
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.dark-theme .theme-toggle i {
    content: "\f185"; /* Sun icon */
}

/* Cards */
.card {
    background-color: var(--surface);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    transition: var(--transition);
    border-left: 4px solid var(--primary);
}

.card:hover {
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-2px);
}

.summary-card {
    border-left: 4px solid var(--primary);
}

.activity-card {
    border-left: 4px solid var(--secondary);
}

.chart-card {
    border-left: 4px solid var(--accent);
}

.upcoming-card {
    border-left: 4px solid var(--success);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.card-value {
    font-size: 1.8rem;
    font-weight: 600;
    margin: var(--spacing-sm) 0;
}

.card-trend {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
}

.card-trend.positive {
    color: var(--success);
}

.card-trend.negative {
    color: var(--error);
}

.card-trend.neutral {
    color: var(--text-secondary);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* Section Styles */
.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    color: var(--primary);
}

.section-title i {
    font-size: 1.4rem;
}

.active-section {
    display: block;
}

.hidden-section {
    display: none;
}

/* Activity List */
.activity-list {
    max-height: 300px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border);
}

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

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(var(--primary-rgb), 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.activity-details {
    flex: 1;
}

.activity-project {
    font-weight: 500;
}

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

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

/* Upcoming List */
.upcoming-list {
    max-height: 300px;
    overflow-y: auto;
}

.upcoming-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border);
}

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

.upcoming-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(var(--accent-rgb), 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.upcoming-details {
    flex: 1;
}

.upcoming-project {
    font-weight: 500;
}

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

/* Investment Section */
.investment-header, .tasks-header, .explore-header, .news-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.investment-summary, .tasks-summary {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.summary-item {
    display: flex;
    flex-direction: column;
}

.summary-item span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.summary-item strong {
    font-size: 1.2rem;
    color: var(--text);
}

.investment-grid, .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.investment-history {
    max-height: 400px;
    overflow-y: auto;
}

.investment-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border);
}

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

.investment-info {
    display: flex;
    flex-direction: column;
}

.investment-project {
    font-weight: 500;
}

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

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

.investment-amount.positive {
    color: var(--success);
}

.investment-amount.negative {
    color: var(--error);
}

/* Explore Section */
.search-filter {
    display: flex;
    gap: var(--spacing-sm);
    flex: 1;
    max-width: 600px;
}

.search-filter input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    background-color: var(--surface);
    color: var(--text);
}

.search-filter select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    background-color: var(--surface);
    color: var(--text);
}

.project-grid, .news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    background-color: var(--surface);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    border-top: 4px solid var(--primary);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-lg);
}

.project-card.upcoming {
    border-top-color: var(--accent);
}

.project-card.active {
    border-top-color: var(--success);
}

.project-card.completed {
    border-top-color: var(--secondary);
}

.project-card-header {
    padding: var(--spacing-md);
    background-color: rgba(var(--primary-rgb), 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.project-logo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
}

.project-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

.status-active {
    background-color: rgba(var(--success-rgb), 0.1);
    color: var(--success);
}

.status-upcoming {
    background-color: rgba(var(--accent-rgb), 0.1);
    color: var(--accent);
}

.status-completed {
    background-color: rgba(var(--secondary-rgb), 0.1);
    color: var(--secondary);
}

.project-card-body {
    padding: var(--spacing-md);
}

.project-name {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text);
}

.project-category {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
}

.project-date, .project-value {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Project Details */
.back-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    cursor: pointer;
    color: var(--primary);
    font-weight: 500;
}

.back-button:hover {
    text-decoration: underline;
}

.project-details-container {
    background-color: var(--surface);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.project-details-header {
    padding: var(--spacing-lg);
    background-color: rgba(var(--primary-rgb), 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.project-details-logo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
}

.project-details-title {
    flex: 1;
    margin-left: var(--spacing-md);
}

.project-details-title h3 {
    font-size: 1.6rem;
    margin-bottom: var(--spacing-xs);
}

.project-details-category {
    color: var(--text-secondary);
}

.project-details-status {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
}

.project-details-body {
    padding: var(--spacing-lg);
}

.project-details-info {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.info-item {
    display: flex;
    flex-direction: column;
}

.info-item span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.info-item strong {
    font-size: 1.1rem;
}

.project-details-description {
    margin-bottom: var(--spacing-lg);
}

.project-details-requirements {
    margin-bottom: var(--spacing-lg);
}

.requirements-list {
    list-style-type: none;
}

.requirements-list li {
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.requirements-list li i {
    color: var(--primary);
}

.project-details-activities {
    margin-top: var(--spacing-lg);
}

.activities-timeline {
    border-left: 2px solid var(--border);
    padding-left: var(--spacing-md);
    margin-left: var(--spacing-md);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--spacing-md) - 5px);
    top: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--primary);
}

.timeline-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

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

/* Tasks Section */
.tasks-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.task-list {
    max-height: 400px;
    overflow-y: auto;
}

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

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

.task-checkbox {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

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

.task-details {
    flex: 1;
}

.task-name {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.task-item.completed .task-name {
    text-decoration: line-through;
    color: var(--text-secondary);
}

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

.task-due-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.task-due-date.overdue {
    color: var(--error);
}

/* News Section */
.news-card {
    background-color: var(--surface);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
    border-left: 4px solid var(--primary);
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-lg);
}

.news-card.airdrop {
    border-left-color: var(--accent);
}

.news-card.project {
    border-left-color: var(--success);
}

.news-card.market {
    border-left-color: var(--secondary);
}

.news-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border);
}

.news-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.category-airdrop {
    background-color: rgba(var(--accent-rgb), 0.1);
    color: var(--accent);
}

.category-project {
    background-color: rgba(var(--success-rgb), 0.1);
    color: var(--success);
}

.category-market {
    background-color: rgba(var(--secondary-rgb), 0.1);
    color: var(--secondary);
}

.news-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

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

.news-body {
    padding: var(--spacing-md);
}

.news-content {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-link {
    color: var(--primary);
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.news-link:hover {
    text-decoration: underline;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--surface);
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-sm) 0;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    background: none;
    border: none;
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: var(--transition);
    flex: 1;
    max-width: 80px;
}

.nav-item i {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.nav-item span {
    font-size: 0.8rem;
}

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

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    border: none;
}

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

.primary-btn:hover {
    background-color: var(--secondary);
}

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

.secondary-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--surface);
    border-radius: var(--border-radius-md);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--box-shadow-lg);
    transform: translateY(20px);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
}

.modal-body {
    padding: var(--spacing-md);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    background-color: var(--surface);
    color: var(--text);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* Chart Containers */
.chart-container {
    width: 100%;
    height: 250px;
    position: relative;
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    color: var(--text-secondary);
    text-align: center;
}

.empty-state i {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .dashboard-grid,
    .investment-grid,
    .stats-grid,
    .tasks-container {
        grid-template-columns: 1fr;
    }
    
    .project-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .investment-header,
    .tasks-header,
    .explore-header,
    .news-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .investment-summary,
    .tasks-summary {
        width: 100%;
        margin-bottom: var(--spacing-md);
    }
    
    .search-filter {
        width: 100%;
        max-width: none;
    }
    
    .nav-item span {
        display: none;
    }
    
    .nav-item i {
        margin-bottom: 0;
        font-size: 1.4rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

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

.slide-in {
    animation: slideIn 0.3s ease-in-out;
}

/* Utilities */
.hidden {
    display: none !important;
}