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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    color: white;
    padding: 30px 20px;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

header h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    font-weight: 800;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    letter-spacing: 1px;
    background: linear-gradient(90deg, #ffffff, #e0e0ff);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

header p {
    font-size: 1.3rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
    font-weight: 300;
}

main {
    display: grid;
    gap: 30px;
}

.input-section, .results-section, .recent-images {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.input-section h2, .results-section h2, .recent-images h2 {
    margin-bottom: 20px;
    color: #333;
    font-size: 1.5rem;
}

#prompt-input {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 16px;
    resize: vertical;
    min-height: 100px;
    transition: border-color 0.3s ease;
}

#prompt-input:focus {
    outline: none;
    border-color: #667eea;
}

.options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 20px 0;
}

.option-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}

.option-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    background-color: #f9f9f9;
}

.generate-btn {
    width: 100%;
    padding: 15px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.generate-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.generate-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-large {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(102, 126, 234, 0.3);
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.image-container {
    text-align: center;
    margin: 20px 0;
}

#generated-image {
    max-width: 100%;
    max-height: 500px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.loading-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: #666;
}

.error-message {
    background: #fee;
    color: #c33;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #fcc;
    text-align: center;
}

.actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
}

.secondary-btn {
    padding: 12px 24px;
    background: #f8f9fa;
    color: #333;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.secondary-btn:hover {
    background: #e9ecef;
}

#recent-images-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
    max-height: 70vh;
    overflow-y: auto;
    padding: 0.5rem;
    background: #fdfdfd;
    border-radius: 8px;
    border: 1px solid #eee;
}

.recent-image-item {
    display: flex;
    gap: 1rem;
    align-items: center;
    background: #fff;
    padding: 0.75rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    border: 1px solid #eee;
}

.recent-image-item img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
}

.recent-image-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.recent-image-info p {
    margin: 0;
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 0.75rem;
    line-height: 1.4;
    max-height: 4.2em; /* Limit to 3 lines */
    overflow: hidden;
}

.select-btn {
    background-color: #667eea;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color .2s;
    align-self: flex-start;
}

.select-btn:hover {
    background-color: #5a67d8;
}

.no-images {
    text-align: center;
    color: #666;
    font-style: italic;
}

footer {
    text-align: center;
    margin-top: 40px;
    color: white;
    opacity: 0.8;
}

footer a {
    color: white;
    text-decoration: underline;
}

.editor-grid img {
    max-width: 100%;
    height: auto;
}

.grid-full-width-hero,
.grid-split-content,
.grid-feature-duo,
.grid-portfolio-showcase,
.grid-mosaic,
.grid-t-block,
.grid-sidecar,
.grid-pillar,
.grid-interweave,
.grid-2x1,
.grid-1-large-2-small {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .options {
        grid-template-columns: 1fr;
    }
    
    .images-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    /* Responsive editor grid improvements */
    .editor-grid {
        gap: 0.75rem;
        padding: 1rem;
        margin: 1.5rem 0;
    }
    
    .grid-text-block {
        padding: 1rem;
        min-height: 100px;
    }
    
    .editor-grid .grid-item,
    .editor-grid .grid-placeholder {
        min-height: 150px;
    }
    
    /* Make 2-column layouts stack on mobile */
    .grid-2x1,
    .grid-feature-duo,
    .grid-sidecar,
    .grid-interweave {
        grid-template-columns: 1fr;
    }
    
    .grid-interweave .grid-item:nth-child(1) {
        grid-row: auto;
        min-height: 200px;
        max-height: 30vh;
    }
    
    .grid-interweave .grid-text-block:nth-of-type(1),
    .grid-interweave .grid-item:nth-of-type(2),
    .grid-interweave .grid-text-block:nth-of-type(2) {
        grid-column: 1;
        margin: 0.5rem 0;
    }
    
    /* Fix spans for mobile */
    .grid-feature-duo .grid-text-block,
    .grid-quad-gallery .grid-text-block,
    .grid-portfolio-showcase .grid-text-block,
    .grid-t-block .grid-text-block,
    .grid-pillar .grid-text-block {
        grid-column: 1 / -1;
    }
    
    /* Fix hero spans */
    .grid-quad-gallery .grid-item:nth-child(1),
    .grid-sidecar .grid-item:nth-child(1) {
        grid-column: 1 / -1;
        grid-row: auto;
    }
    
    /* Reset interweave layout */
    .grid-interweave .grid-item:nth-child(1),
    .grid-interweave .grid-text-block:nth-of-type(1),
    .grid-interweave .grid-item:nth-of-type(2),
    .grid-interweave .grid-text-block:nth-of-type(2) {
        grid-column: 1 / -1;
        grid-row: auto;
    }
}

/* Rich Content Editor Styles */
#editor-section {
    max-width: 900px;
    margin: 2rem auto;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

#editor-toolbar {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.toolbar-btn {
    background: rgba(255,255,255,0.2);
    border: none;
    color: #fff;
    padding: .5rem 1rem;
    margin-right: .5rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background .2s;
}

.toolbar-btn:hover {
    background: rgba(255,255,255,0.3);
}

#content-editor {
    background: white;
    color: #333;
    min-height: 300px;
    padding: 1.5rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    outline: none;
    line-height: 1.6;
    max-height: 70vh; /* Responsive max height */
    overflow-y: auto;   /* Enable vertical scrolling */
    width: 100%;
    box-sizing: border-box;
}

#content-editor:focus {
    box-shadow: 0 0 0 3px rgba(120, 100, 220, 0.5);
}

#content-editor figure {
    margin: 1rem 0;
    text-align: center;
}

#content-editor img {
    max-width: 80%;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

#content-editor figcaption {
    font-size: .9rem;
    color: #777;
    margin-top: .5rem;
    font-style: italic;
}

/* --- Grid Template Modal Styles --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1001;
    opacity: 0;
    animation: fadeIn 0.3s forwards;
}

.modal-content {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    width: 90%;
    max-width: 700px; /* Increased width for better template previews */
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: popIn 0.3s forwards ease-out;
}

.modal-content h3 {
    margin-top: 0;
    margin-bottom: 25px;
    text-align: center;
    font-size: 1.4rem;
    color: #333;
}

#grid-template-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.template-btn {
    background-color: #f0f2f5;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #333;
}

.template-btn:hover {
    background-color: #e4e6eb;
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.template-btn .preview {
    margin-top: 10px;
    height: 80px;
    background-color: #f0f2f5;
    border: 1px solid #ddd;
    border-radius: 4px;
    display: flex;
    gap: 4px;
    padding: 4px;
}

.preview .img-ph {
    background-color: #d0d5db;
    border-radius: 2px;
    flex-grow: 1;
}

.preview .txt-ph {
    background-color: #e4e6eb;
    border-radius: 2px;
    flex-grow: 1;
}

.modal-close-icon {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    color: #888;
    cursor: pointer;
    line-height: 1;
    padding: 0;
}

.modal-close-icon:hover {
    color: #333;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

@keyframes popIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Editor Grid Styles */
.editor-grid {
    display: grid;
    gap: 1.25rem; /* Increased gap for better visual separation */
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f9f9f9;
    border-radius: 12px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
}

.grid-2x1 { grid-template-columns: 1fr 1fr; }

.grid-1-large-2-small {
    grid-template-columns: 2fr 1fr;
    grid-template-rows: auto auto;
}

.grid-1-large-2-small .grid-item:first-child {
    grid-row: span 2;
}

.editor-grid .grid-item,
.editor-grid .grid-placeholder {
    aspect-ratio: 1 / 1 !important;
    min-height: 0 !important;
    grid-row: span 1 !important;
    height: auto !important;
    grid-column: auto !important;
    grid-row-end: span 1 !important;
    grid-column-end: span 1 !important;
}

.editor-grid img {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 8px;
    object-fit: cover;
    transition: transform 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.grid-placeholder {
    background: #f0f0f0;
    border: 2px dashed #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 1rem;
    cursor: pointer;
    transition: all .3s ease;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

.grid-placeholder:hover {
    background: #e9e9e9;
    border-color: #aaa;
}

.grid-placeholder::after {
    content: 'Click to select';
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.03);
    font-weight: 500;
}

.grid-placeholder.active {
    border-color: #667eea;
    background: #eef2ff;
}

/* New Template Styles */
.grid-text-block {
    background: #fff;
    border: 1px solid #e0e0e0;
    padding: 1.5rem;
    border-radius: 8px;
    min-height: 120px; /* Ensure text block has some height */
    line-height: 1.6;
    font-size: 1rem;
    color: #333;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.grid-text-block:focus {
    outline: 2px solid #667eea;
}

/* 2 Images + Text - Feature story layout */
.grid-feature-duo {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    background: #ffffff;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}
.grid-feature-duo .grid-item {
    margin-bottom: 1.5rem;
    overflow: hidden;
}
.grid-feature-duo .grid-text-block {
    grid-column: span 2;
    border-top: 3px solid #f0f0f0;
    padding-top: 2rem;
    background-color: transparent;
    box-shadow: none;
}

/* 4 Images + Text - Photo gallery with hero */
.grid-quad-gallery {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, auto);
    background: #fafafa;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    gap: 1.5rem;
}
.grid-quad-gallery .grid-item:nth-child(1) { /* Hero Image */
    grid-column: span 2;
    grid-row: span 2;
    min-height: 400px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}
.grid-quad-gallery .grid-text-block {
    grid-column: span 3;
    background: #ffffff;
    border-radius: 10px;
    padding: 2rem;
    margin-top: 1rem;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.05);
    border-bottom: 3px solid #e6e9f5;
}

/* 6 Images + Text */
.grid-portfolio-showcase {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, auto);
}
.grid-portfolio-showcase .grid-text-block {
    grid-column: span 2;
    grid-row: span 1;
    align-self: center;
}

/* 8 Images + Text */
.grid-mosaic {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(3, auto);
}
.grid-mosaic .grid-text-block {
    grid-column: 2 / span 2; /* Center the text block */
    grid-row: 2;
    align-self: center;
    text-align: center;
}

/* --- 4 New Creative Templates (Redesigned) --- */

/* 1. "T-Block" Layout - Magazine style */
.grid-t-block {
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: auto auto;
    background: linear-gradient(to bottom, #f9f9f9, #ffffff);
    border-top: 4px solid #667eea;
}
.grid-t-block .grid-item:nth-child(1) { 
    grid-column: 1 / 4; 
    min-height: 350px;
}
.grid-t-block .grid-text-block { 
    grid-column: 2 / 3; 
    grid-row: 2 / 3; 
    align-self: center; 
    text-align: center; 
    margin-top: 1.5rem;
    background-color: #ffffff;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    border-top: 3px solid #667eea;
    padding-top: 1.75rem;
}

/* 2. "Sidecar" Layout - Modern blog style */
.grid-sidecar {
    grid-template-columns: 2fr 1fr;
    grid-template-rows: 1fr 1fr;
    background: #ffffff;
    border-left: 4px solid #667eea;
    border-radius: 0 12px 12px 0;
}
.grid-sidecar .grid-item:nth-child(1) { 
    grid-row: 1 / 3; 
    min-height: 400px;
    border-radius: 0 0 0 8px;
}
.grid-sidecar .grid-text-block { 
    align-self: center; 
    background-color: #fafafa;
    padding: 1.75rem;
    margin-right: 0.5rem;
    border-left: 2px solid #e0e6ff;
}

/* 3. "Pillar" Layout - Editorial style */
.grid-pillar {
    grid-template-columns: 1fr 1.5fr 1fr;
    background: #ffffff;
    border-radius: 12px;
    padding: 0.5rem;
}
.grid-pillar .grid-item {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}
.grid-pillar .grid-text-block { 
    grid-column: 2 / 3; 
    align-self: center; 
    text-align: center; 
    background-color: #fafafa;
    margin: 0 -0.5rem;
    padding: 2rem;
    border-top: 2px solid #f0f0f0;
    border-bottom: 2px solid #f0f0f0;
    box-shadow: none;
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.7;
    letter-spacing: 0.02em;
}

/* 4. "Interweave" Layout - Modern portfolio */
.grid-interweave {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto;
    background: linear-gradient(135deg, #fafbff 0%, #f5f7ff 100%);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    max-width: 100%;
}
.grid-interweave .grid-item:nth-child(1) { 
    grid-row: 1 / 4; 
    min-height: 300px;
    max-height: 60vh;
}
.grid-interweave .grid-text-block:nth-of-type(1) { 
    grid-column: 2 / 3; 
    grid-row: 1 / 2; 
    align-self: end; 
    background-color: #ffffff;
    border-radius: 8px 8px 0 0;
    margin: 0 1rem 0 -0.5rem;
    border-left: 3px solid #667eea;
}
.grid-interweave .grid-item:nth-of-type(2) { 
    grid-column: 2 / 3; 
    grid-row: 2 / 3; 
    margin: 0.5rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 8px;
}
.grid-interweave .grid-text-block:nth-of-type(2) { 
    grid-column: 2 / 3; 
    grid-row: 3 / 4; 
    align-self: start; 
    background-color: #ffffff;
    border-radius: 0 0 8px 8px;
    margin: 0 1rem 0 -0.5rem;
    border-left: 3px solid #667eea;
}