:root {
    --color-primary: #6366F1;
    --color-secondary: #EC4899;
    --color-background: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-text: #1E293B;
    --color-text-muted: #64748B;
    --color-border: #E2E8F0;
    --font-family: 'Inter', sans-serif;
    --border-radius: 0.75rem;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text);
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.main-header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.main-nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.main-nav a {
    text-decoration: none;
    color: var(--color-text-muted);
    font-weight: 600;
    transition: color 0.2s ease;
}

.main-nav a:hover {
    color: var(--color-primary);
}

main.container {
    flex-grow: 1;
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.main-footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 1.5rem 0;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Auth Pages */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem 0;
}

.auth-card {
    background-color: var(--color-surface);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    width: 100%;
    max-width: 420px;
    text-align: center;
}

.auth-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

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

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

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background-color: var(--color-background);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

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

.btn-gradient {
    background-image: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    color: white;
}

.auth-switch {
    margin-top: 2rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.auth-switch a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
}

.alert {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 0.5rem;
    text-align: center;
}

.alert-danger {
    background-color: #FEE2E2;
    color: #B91C1C;
}

/* Hero Section (Logged Out) */
.hero-section {
    text-align: center;
    padding: 4rem 1rem;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-section p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

/* Creator UI (Logged In) */
.creator-container {
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 3rem;
}

.creator-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    background-color: var(--color-surface);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.image-upload-wrapper {
    position: relative;
    cursor: pointer;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 2px dashed var(--color-border);
}

.image-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.upload-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.3);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-upload-wrapper:hover .upload-overlay {
    opacity: 1;
}

.upload-overlay svg {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
}

.styled-preview-wrapper {
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: var(--color-background);
}

.styled-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.4s ease;
}

.styles-gallery {
    margin-top: 3rem;
}

.gallery-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.styles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.style-card {
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    transition: border-color 0.3s ease;
}

.style-card.active {
    border-color: var(--color-primary);
}

.style-card img {
    width: 100%;
    display: block;
}

.style-name {
    padding: 0.75rem;
    background-color: var(--color-surface);
    font-weight: 600;
}

/* CSS Filters for Styles */
.style-pop-art {
    filter: contrast(1.5) saturate(1.8);
}

.style-pixel-art {
    image-rendering: pixelated;
    filter: grayscale(1) contrast(2);
}

.style-sketch {
    filter: grayscale(1) brightness(1.2) contrast(1.5);
}

/* Comments Section */
.comments-container {
    max-width: 800px;
    margin: 4rem auto 2rem;
    text-align: left;
}

.comments-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.comment-form-wrapper {
    background-color: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    margin-bottom: 2rem;
}

.comment-form-wrapper textarea {
    min-height: 80px;
    resize: vertical;
}

.comment-form-wrapper .btn {
    margin-top: 1rem;
}

.comments-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.comment-card {
    background-color: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.comment-author {
    font-weight: 600;
    color: var(--color-text);
}

.comment-body p {
    margin: 0;
    line-height: 1.6;
}