/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #2563eb;
    --primary-dark: #1e40af;
    --secondary-blue: #3b82f6;
    --accent-blue: #60a5fa;
    --dark-bg: #0f172a;
    --darker-bg: #0a0f1c;
    --card-bg: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --border-color: #334155;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --terminal-bg: #0a0f1c;
    --terminal-green: #00ff88;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.hidden {
    display: none !important;
}

/* Navigation */
.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.nav-brand i {
    color: var(--primary-blue);
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: 1rem;
}

#userInfo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Progress Overview */
.progress-overview {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.progress-item {
    background: var(--card-bg);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    border: 1px solid var(--border-color);
    font-weight: 500;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-1px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.full-width {
    width: 100%;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    color: var(--text-primary);
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.375rem;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.auth-switch {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-muted);
}

.auth-switch button {
    background: none;
    border: none;
    color: var(--primary-blue);
    cursor: pointer;
    text-decoration: underline;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    padding: 4rem 1rem;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-icon {
    font-size: 4rem;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Progress Dashboard */
.header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.progress-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.progress-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.progress-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.progress-card h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.progress-card i {
    color: var(--primary-blue);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--dark-bg);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue));
    border-radius: 4px;
    transition: width 0.5s ease;
    box-shadow: 0 0 10px rgba(37, 99, 235, 0.5);
}

.progress-text {
    text-align: right;
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 600;
}

/* Section Cards */
.section-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.section-card h2 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.day-nav, .week-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.day-info, .week-info {
    margin-bottom: 1.5rem;
}

.day-info h3, .week-info h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.day-info p, .week-info p {
    color: var(--text-secondary);
}

.day-stats {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--dark-bg);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stat i {
    color: var(--primary-blue);
}

/* Tasks */
.tasks-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.task-item {
    display: flex;
    align-items: flex-start;
    padding: 1rem;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    gap: 1rem;
}

.task-item:hover {
    border-color: var(--primary-blue);
}

.task-item.completed {
    opacity: 0.7;
}

.task-item input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.125rem;
    accent-color: var(--primary-blue);
    flex-shrink: 0;
}

.task-content {
    flex: 1;
}

.task-text {
    margin-bottom: 0.5rem;
    cursor: pointer;
}

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

.task-impact {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.impact-tag {
    background: var(--card-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.impact-tag.social { border-left: 3px solid #ef4444; }
.impact-tag.financial { border-left: 3px solid #f59e0b; }
.impact-tag.professional { border-left: 3px solid #10b981; }
.impact-tag.health { border-left: 3px solid #3b82f6; }

/* Terminal */
.terminal {
    background: var(--terminal-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    font-family: 'Courier New', monospace;
    color: var(--terminal-green);
    max-height: 300px;
    overflow-y: auto;
}

.terminal-line {
    margin-bottom: 0.5rem;
}

.terminal-prompt {
    color: var(--primary-blue);
    font-weight: bold;
}

/* Achievements */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.achievement-card {
    background: var(--dark-bg);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.achievement-card.earned {
    border-color: var(--primary-blue);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.2);
}

.achievement-card .achievement-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.achievement-card .achievement-header i {
    color: var(--primary-blue);
}

.achievement-card.earned .achievement-header i {
    color: var(--warning);
}

.achievement-card h3 {
    color: var(--text-primary);
    font-size: 1rem;
}

.achievement-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-blue);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
}

/* Info Section */
.info-section {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    margin: 4rem 0;
}

.info-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.info-column h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.info-column ul {
    list-style: none;
}

.info-column li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.info-column i {
    color: var(--primary-blue);
    margin-top: 0.25rem;
}

/* Testimonials */
.testimonial-section {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    margin: 4rem 0;
}

.testimonial-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial {
    background: var(--dark-bg);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    position: relative;
}

.testimonial p {
    font-style: italic;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.testimonial span {
    color: var(--primary-blue);
    font-weight: 500;
}

/* Notification */
.notification {
    position: fixed;
    top: 1rem;
    right: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-blue);
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.notification i {
    color: var(--primary-blue);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .title {
        font-size: 2rem;
    }
    
    .progress-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials {
        grid-template-columns: 1fr;
    }
    
    .nav-container {
        flex-direction: column;
        height: auto;
        padding: 1rem;
    }
    
    .nav-auth {
        margin-top: 1rem;
    }
    
    .progress-overview {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .day-stats {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .section-card {
        padding: 1rem;
    }
    
    .hero {
        padding: 2rem 1rem;
    }
    
    .modal-content {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .task-item {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .task-impact {
        justify-content: flex-start;
    }
}