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

:root {
    --primary-color: #4361ee;
    --primary-light: #4895ef;
    --secondary-color: #3a0ca3;
    --accent-color: #7209b7;
    --success-color: #4cc9f0;
    --warning-color: #f72585;
    --light-bg: #f8f9fa;
    --dark-bg: #212529;
    --text-dark: #343a40;
    --text-light: #6c757d;
    --card-bg: #ffffff;
    --border-color: #e9ecef;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 10px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --light-bg: #121212;
    --dark-bg: #ffffff;
    --text-dark: #f8f9fa;
    --text-light: #adb5bd;
    --card-bg: #1e1e1e;
    --border-color: #343a40;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 10px 15px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light-bg);
    color: var(--text-dark);
    line-height: 1.6;
    transition: var(--transition);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--success-color);
    opacity: 0.3;
    border-radius: 2px;
}

/* Navigation */
.navbar {
    background-color: var(--card-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 2rem;
}

.logo-highlight {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background-color: var(--card-bg);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Chat Panel */
.chat-panel {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 350px;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-hover);
    z-index: 1001;
    display: none;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.chat-panel.active {
    display: flex;
}

.chat-header {
    padding: 1rem;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-chat {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

.chat-messages {
    flex: 1;
    padding: 1rem;
    max-height: 300px;
    overflow-y: auto;
}

.message {
    margin-bottom: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
    max-width: 80%;
}

.user-message {
    background-color: var(--primary-light);
    color: white;
    margin-left: auto;
}

.ai-message {
    background-color: var(--border-color);
    color: var(--text-dark);
}

.chat-input {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
}

.chat-input input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--card-bg);
    color: var(--text-dark);
}

.quick-questions {
    padding: 0 1rem 1rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.quick-btn {
    padding: 0.5rem 1rem;
    background-color: var(--border-color);
    border: none;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Main Content */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    min-height: calc(100vh - 200px);
}

.page {
    display: none;
}

.page.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

/* Hero Section */
.hero-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.hero-title {
    font-size: 3rem;
    line-height: 1.2;
}

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

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    height: 400px;
}

.floating-cards {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 120px;
    height: 120px;
    animation: float 6s ease-in-out infinite;
}

.floating-card i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.floating-card.tech {
    top: 10%;
    left: 10%;
    background: linear-gradient(135deg, #4361ee, #4cc9f0);
    color: white;
    animation-delay: 0s;
}

.floating-card.medical {
    top: 60%;
    left: 20%;
    background: linear-gradient(135deg, #f72585, #7209b7);
    color: white;
    animation-delay: 1s;
}

.floating-card.business {
    top: 30%;
    right: 20%;
    background: linear-gradient(135deg, #4cc9f0, #4361ee);
    color: white;
    animation-delay: 2s;
}

.floating-card.arts {
    top: 70%;
    right: 10%;
    background: linear-gradient(135deg, #7209b7, #f72585);
    color: white;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Problem Section */
.problem-section, .fields-section {
    margin-bottom: 4rem;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.problems-grid, .fields-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.problem-card, .field-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    cursor: pointer;
}

.problem-card:hover, .field-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.problem-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.field-card {
    padding: 1.5rem;
}

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

/* Page Header */
.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-header h2 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.page-subtitle {
    color: var(--text-light);
    font-size: 1.2rem;
}

/* Form Styles */
.form-section {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--card-bg);
    color: var(--text-dark);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.interest-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background-color: var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.interest-option:hover {
    background-color: var(--primary-light);
    color: white;
}

.interest-option input[type="checkbox"] {
    width: auto;
}

.skill-rating {
    display: grid;
    gap: 1rem;
}

.skill-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.rating-stars {
    display: flex;
    gap: 0.25rem;
}

.rating-stars i {
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
}

.rating-stars i.active {
    color: #ffc107;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

/* Dashboard Styles */
.dashboard-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
}

.dashboard-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.user-profile-card, .quick-stats, .quick-actions {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.profile-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.profile-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
}

.quick-stats h4, .quick-actions h4 {
    margin-bottom: 1rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.action-btn {
    padding: 0.75rem;
    background-color: var(--border-color);
    border: none;
    border-radius: 8px;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.dashboard-main {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.dashboard-card {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.main-card {
    grid-column: 1 / -1;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.refresh-btn {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 1rem;
}

.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
}

.empty-state i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--border-color);
}

.progress-tracker {
    margin-top: 1rem;
}

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

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    border-radius: 4px;
    width: 0%;
    transition: width 0.5s ease;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--text-light);
}

.motivation-message {
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--border-color);
    border-radius: 8px;
    font-style: italic;
}

/* Roadmap Styles */
.roadmap-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.roadmap-options {
    display: flex;
    gap: 1rem;
}

.roadmap-timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2rem;
}

.timeline-phase {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.phase-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

.phase-icon {
    font-size: 2rem;
}

.phase-header h3 {
    flex: 1;
    margin: 0;
    color: white;
}

.phase-duration {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
}

.phase-content {
    padding: 1.5rem;
}

.roadmap-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

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

.roadmap-item i {
    color: var(--success-color);
    margin-top: 0.25rem;
}

.roadmap-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

/* Project Ideas Styles */
.project-controls {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.filter-options {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.category-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.category-tab {
    padding: 0.75rem 1.5rem;
    background-color: var(--border-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.category-tab.active {
    background-color: var(--primary-color);
    color: white;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.project-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.75rem;
}

.project-content {
    padding: 1.5rem;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.project-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.empty-projects {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.project-generator {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.generator-form {
    margin-top: 1.5rem;
}

.form-group-inline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1002;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.progress-update {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-top: 1.5rem;
}

.progress-circle {
    position: relative;
    width: 100px;
    height: 100px;
}

.progress-circle svg {
    transform: rotate(-90deg);
}

.progress-bg {
    fill: none;
    stroke: var(--border-color);
    stroke-width: 8;
}

.progress-fg {
    fill: none;
    stroke: var(--success-color);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 251.2;
    stroke-dashoffset: 251.2;
    transition: stroke-dashoffset 1s ease;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

/* Footer */
.footer {
    background-color: var(--card-bg);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--border-color);
    border-radius: 50%;
    color: var(--text-dark);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-section {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .dashboard-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--card-bg);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-actions {
        display: none;
    }
    
    .floating-cards {
        display: none;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .project-grid {
        grid-template-columns: 1fr;
    }
    
    .roadmap-controls {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .roadmap-options {
        flex-direction: column;
    }
    
    .chat-panel {
        width: calc(100% - 2rem);
        right: 1rem;
        bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .main-container {
        padding: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .problems-grid,
    .fields-grid {
        grid-template-columns: 1fr;
    }
    
    .interests-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
    }
}