/* Modern CSS Variables */
:root {
    --primary: #6e44ff;
    --primary-light: #a777e3;
    --secondary: #ffdf5e;
    --dark: #2d3748;
    --light: #f5f7fa;
    --gray: #a0aec0;
    --success: #48bb78;
    --warning: #ed8936;
    --danger: #f56565;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --border-radius: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--light);
    color: var(--dark);
    min-height: 100vh;
}

/* Header Styles */
header {
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 28px;
    background: rgba(255, 255, 255, 0.2);
    width: 45px;
    height: 45px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
}

.logo-text span {
    color: #ffdf5e;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 8px 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

nav a:hover {
    background: rgba(255, 255, 255, 0.15);
}

.nav-active {
    background: rgba(255, 255, 255, 0.2);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 14px;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-login {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-login:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-signup, .btn-primary {
    background: #ffdf5e;
    color: #6e44ff;
}

.btn-signup:hover, .btn-primary:hover {
    background: #ffd33d;
    transform: translateY(-2px);
}

.btn-large {
    padding: 12px 30px;
    font-size: 16px;
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-full {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 80px 5%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.dashboard-preview {
    background: white;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    color: var(--dark);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.preview-dots {
    display: flex;
    gap: 8px;
}

.preview-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray);
}

.preview-dots span:first-child {
    background: var(--danger);
}

.preview-dots span:nth-child(2) {
    background: var(--warning);
}

.preview-dots span:last-child {
    background: var(--success);
}

.preview-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 8px;
    background: var(--light);
}

.preview-item i {
    color: var(--primary);
}

/* Features Section */
.features {
    padding: 80px 5%;
    background: white;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    background: var(--light);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.feature-card p {
    color: var(--gray);
    line-height: 1.6;
}

/* Dashboard Styles */
.dashboard-grid {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: 260px;
    background: white;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 24px 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.logo-icon {
    font-size: 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
}

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

.nav-links {
    padding: 20px 0;
    flex: 1;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    color: var(--dark);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.nav-links a:hover {
    background: rgba(110, 68, 255, 0.05);
    color: var(--primary);
}

.nav-links a.active {
    background: rgba(110, 68, 255, 0.1);
    color: var(--primary);
    border-left: 3px solid var(--primary);
}

.nav-links a i {
    width: 20px;
    text-align: center;
}

.user-profile {
    padding: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

.user-info h4 {
    font-size: 14px;
    margin-bottom: 4px;
}

.user-info p {
    font-size: 12px;
    color: var(--gray);
}

/* Main Content Styles */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 30px;
    background: white;
    box-shadow: var(--card-shadow);
    z-index: 10;
}

.search-box {
    position: relative;
    width: 400px;
}

.search-box input {
    width: 100%;
    padding: 12px 20px 12px 45px;
    border: none;
    border-radius: 10px;
    background: var(--light);
    font-size: 14px;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(110, 68, 255, 0.2);
}

.search-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.search-result-item {
    display: flex;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    cursor: pointer;
    transition: background 0.2s ease;
}

.search-result-item:hover {
    background: var(--light);
}

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

.search-item-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(110, 68, 255, 0.1);
    color: var(--primary);
    margin-right: 15px;
}

.search-item-info {
    flex: 1;
}

.search-item-info h4 {
    margin: 0 0 5px 0;
    font-size: 14px;
    color: var(--dark);
}

.search-item-info p {
    margin: 0;
    font-size: 12px;
    color: var(--gray);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.search-item-type {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--light);
    color: var(--gray);
    text-transform: capitalize;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.notification-icon, .menu-toggle, .logout-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light);
    color: var(--dark);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.notification-icon:hover, .menu-toggle:hover, .logout-btn:hover {
    background: rgba(110, 68, 255, 0.1);
    color: var(--primary);
}

.dashboard {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

.welcome-banner {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--card-shadow);
}

.welcome-text h1 {
    font-size: 28px;
    margin-bottom: 8px;
}

.welcome-text p {
    opacity: 0.9;
    max-width: 500px;
}

.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--card-shadow);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-1 { background: rgba(110, 68, 255, 0.1); color: var(--primary); }
.stat-2 { background: rgba(255, 223, 94, 0.1); color: var(--warning); }
.stat-3 { background: rgba(72, 187, 120, 0.1); color: var(--success); }
.stat-4 { background: rgba(245, 101, 101, 0.1); color: var(--danger); }

.stat-info h3 {
    font-size: 24px;
    margin-bottom: 4px;
}

.stat-info p {
    font-size: 14px;
    color: var(--gray);
}

.dashboard-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

.card {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--card-shadow);
    margin-bottom: 30px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
}

.card-actions a {
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.prompt-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.prompt-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(110, 68, 255, 0.1);
    color: var(--primary);
}

.prompt-info {
    flex: 1;
}

.prompt-info h4 {
    font-size: 15px;
    margin-bottom: 4px;
}

.prompt-info p {
    font-size: 13px;
    color: var(--gray);
}

.prompt-actions {
    display: flex;
    gap: 10px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light);
    color: var(--dark);
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    margin-right: 8px;
    margin-bottom: 8px;
}

.tag-primary { background: rgba(110, 68, 255, 0.1); color: var(--primary); }
.tag-success { background: rgba(72, 187, 120, 0.1); color: var(--success); }
.tag-warning { background: rgba(237, 137, 54, 0.1); color: var(--warning); }

.no-items {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray);
}

.no-items i {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.5;
}

/* Projects List */
.projects-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.project-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 8px;
    background: var(--light);
    transition: all 0.3s ease;
}

.project-item:hover {
    background: rgba(110, 68, 255, 0.05);
}

.project-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.project-info {
    flex: 1;
}

.project-info h4 {
    font-size: 14px;
    margin-bottom: 2px;
}

.project-info p {
    font-size: 12px;
    color: var(--gray);
}

.project-actions {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-item:hover .project-actions {
    opacity: 1;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray);
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--dark);
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(110, 68, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group small {
    display: block;
    margin-top: 5px;
    font-size: 12px;
    color: var(--gray);
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 30px;
}

/* Alert Styles */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-error {
    background: rgba(245, 101, 101, 0.1);
    border: 1px solid rgba(245, 101, 101, 0.2);
    color: var(--danger);
}

.alert-success {
    background: rgba(72, 187, 120, 0.1);
    border: 1px solid rgba(72, 187, 120, 0.2);
    color: var(--success);
}

/* Footer Styles */
footer {
    background: #2d3748;
    color: #e2e8f0;
    margin-top: auto;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 50px 5% 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    color: white;
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: #6e8efb;
}

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

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column a {
    color: #a0aec0;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-column a:hover {
    color: #6e8efb;
    transform: translateX(5px);
}

.footer-about p {
    line-height: 1.6;
    margin-bottom: 20px;
    color: #a0aec0;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #4a5568;
    color: white;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #6e8efb;
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid #4a5568;
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: #a0aec0;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 25px;
}

.footer-links a {
    color: #a0aec0;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #6e8efb;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 80px 1fr;
    }
    
    .logo-text, .nav-links a span, .user-info {
        display: none;
    }
    
    .logo {
        justify-content: center;
        padding: 20px 0;
    }
    
    .nav-links a {
        justify-content: center;
        padding: 16px 0;
    }
    
    .user-profile {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 15px 20px;
    }
    
    nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .search-box {
        width: 200px;
    }
    
    .welcome-banner {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .quick-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-content {
        grid-template-columns: 1fr;
    }
    
    .main-content {
        padding: 20px;
    }
    
    .top-bar {
        padding: 16px 20px;
    }
    
    .footer-container {
        padding: 40px 20px 25px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .logo-text {
        font-size: 18px;
    }
    
    .search-box {
        display: none;
    }
    
    .quick-stats {
        grid-template-columns: 1fr;
    }
    
    .welcome-text h1 {
        font-size: 24px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
}