/* PixelFunder Platform Styles */

:root {
    /* Colors */
    --primary: #FF6B6B;
    --primary-dark: #E85555;
    --secondary: #4ECDC4;
    --accent: #FFE66D;
    --accent-dark: #F4D95C;
    --success: #95E1D3;
    
    /* Neutrals */
    --background: #F8F9FA;
    --surface: #FFFFFF;
    --text: #2C3E50;
    --text-light: #6C757D;
    --text-muted: #95A5A6;
    --border: #DEE2E6;
    --shadow: rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Spacing */
    --radius: 8px;
    --radius-lg: 16px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-body);
    color: var(--text);
    background: var(--background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-fluid {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navigation */
.header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px var(--shadow);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

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

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: white !important; 
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 107, 107, 0.4);
}

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

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

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

.hidden {
    display: none !important;
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(78, 205, 196, 0.1));
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.stat {
    text-align: center;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

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

/* How It Works */
.how-it-works {
    background: var(--surface);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    padding: 2rem;
    background: var(--background);
    border-radius: var(--radius-lg);
    position: relative;
}

.step-number {
    position: absolute;
    top: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 3rem;
    height: 3rem;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.step-icon {
    font-size: 3rem;
    margin: 2rem 0 1.5rem;
}

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

.step p {
    color: var(--text-light);
}

/* Grids Grid */
.grids-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.grid-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow);
    transition: var(--transition);
}

.grid-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px var(--shadow);
}

.grid-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.grid-card-preview {
    position: relative;
    padding-top: 100%;
    background: var(--background);
    overflow: hidden;
}

.grid-mini {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.grid-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.75rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
}

.grid-card-content {
    padding: 1.5rem;
}

.grid-card-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.grid-card-meta {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.grid-card-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.grid-card-stats .stat {
    text-align: left;
}

.grid-card-stats .stat strong {
    display: block;
    font-size: 1.25rem;
    color: var(--primary);
}

.grid-card-stats .stat span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--background);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.5s ease;
}

/* Browse Controls */
.browse-controls {
    margin-bottom: 2rem;
}

.category-filter {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    border-color: var(--primary);
}

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

.search-input {
    padding: 0.75rem 1.25rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 1rem;
    width: 100%;
    max-width: 400px;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--text);
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-column h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

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

.text-muted {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}

.alert-error {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid var(--primary);
    color: var(--primary);
}

.alert-success {
    background: rgba(149, 225, 211, 0.2);
    border: 1px solid var(--success);
    color: var(--text);
}

.alert-warning {
    background: rgba(255, 230, 109, 0.2);
    border: 1px solid var(--accent);
    color: var(--text);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    overflow-y: auto;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

.modal-large {
    max-width: 800px;
}

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

.modal-header {
    padding: 2rem 2rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
}

#authModalTitle {
    font-family: 'Playfair Display', serif !important;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

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

.modal-body {
    padding: 0 2rem 2rem;
}

/* Auth Modal */
.auth-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border);
}

.auth-tab {
    flex: 1;
    padding: 1rem;
    background: none;
    border: none;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
}

.auth-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

/* Pagination */
.pagination {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 3rem;
}

.pagination button {
    padding: 0.75rem 1.25rem;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.pagination button:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.pagination button.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Loading */
.loading {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .mobile-menu-toggle {
        display: flex !important;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--surface);
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 8px 20px var(--shadow);
        z-index: 1000;
    }
    
    .nav-links.mobile-active {
        display: flex !important;
    }
    
    .nav-links a {
        padding: 1rem;
        border-bottom: 1px solid var(--border);
    }
    
    .nav-links a:last-child {
        border-bottom: none;
    }    
    .grids-grid {
        grid-template-columns: 1fr;
    }
    
    .container,
    .container-fluid {
        padding: 0 1rem;
    }
}

/* Password Toggle */
.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper input {
    flex: 1;
    padding-right: 45px;
}

.password-toggle {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px 10px;
    font-size: 1.2rem;
    line-height: 1;
    opacity: 0.6;
    transition: var(--transition);
}

.password-toggle:hover {
    opacity: 1;
}

.password-toggle:focus {
    outline: 2px solid var(--primary);
    border-radius: 4px;
}

.canvas-container {
    overflow-x: auto;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
}

#gridCanvas {
    display: block;
    margin: 0 auto;
    touch-action: none; /* Prevents default touch behaviors */
    cursor: crosshair;
    /* Force square aspect ratio - prevent distortion */
    max-width: 100% !important;
    height: auto !important;
    aspect-ratio: 1 / 1;
}

@media (max-width: 768px) {
    .canvas-container {
        margin: 0 -1rem; /* Allow canvas to use full width */
        padding: 0 1rem;
    }
}