/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --body-bg: linear-gradient(135deg, #f8f9fb, #eef2f7);
    --text-color: #333;
    --card-bg: #fff;
    --card-shadow: rgba(0, 0, 0, 0.1);
    --hover-shadow: rgba(0, 0, 0, 0.15);
    --primary-gradient: linear-gradient(135deg, #6a11cb, #2575fc);
    --hover-gradient: linear-gradient(135deg, #2575fc, #6a11cb);
    --delete-color: #ff4d4d;
    --scrollbar-thumb: rgba(100, 100, 100, 0.5);
    --scrollbar-track: rgba(0,0,0,0.05);
    
    /* Sizes */
    --card-radius: 16px;
    --thumb-size: 160px;
    --thumb-border: 3px;
    --overlay-padding: 25px;
    --button-radius: 25px;
    --circle-size: 25px;
    
    /* Font */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* ===== RESET & BODY STYLING ===== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background: var(--body-bg);
    color: var(--text-color);
    padding: 20px;
}

/* ===== MAIN CONTAINER ===== */
main {
    max-width: 1000px;
    margin: auto;
}

a {
    text-decoration: none;
}

/* ===== HEADER & FOOTER ===== */
.site-header {
    text-align: center;
    padding: 1.5rem 1rem;
    background: linear-gradient(135deg, #f8f9fb, #eef2f7);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.site-header h1 {
    font-size: 2rem;
    margin: 0;
    color: #333;
}

.tagline {
    margin-top: 0.3rem;
    font-size: 1rem;
    color: #666;
}

footer {
    text-align: center;
    padding: 1rem;
    color: #666;
    border-top: 1px solid #ccc; /* straight line border */
    margin-top: 2rem;
    background-color: #f4f4f4;
}

/* ===== OUTFITS FLEX LAYOUT ===== */
#outfits {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
}

/* ===== SECTION STYLING (TOPS/BOTTOMS) ===== */
#tops,
#bottoms {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 200px;
}

/* ===== FIGURE STYLING ===== */
figure {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--card-bg);
    border-radius: var(--card-radius);
    padding: 20px;
    box-shadow: 0 6px 18px var(--card-shadow);
    transition: transform 0.25s, box-shadow 0.25s;
}

figure:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px var(--hover-shadow);
}

/* ===== UPLOADED IMAGES ===== */
.uploadedImage {
    width: var(--thumb-size);
    height: var(--thumb-size);
    object-fit: cover;
    border-radius: 12px;
    border: var(--thumb-border) solid #eee;
    margin-top: 12px;
    transition: transform 0.3s ease;
}

.uploadedImage:hover {
    transform: scale(1.05);
}

/* ===== DOMINANT COLOR DISPLAY ===== */
.colorDisplay {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: var(--circle-size);
    height: var(--circle-size);
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7em;
    font-weight: bold;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

/* ===== FILE INPUT ===== */
.fileInput {
    display: none;
}

/* ===== UPLOAD BUTTON ===== */
.uploadButton {
    display: inline-block;
    padding: 8px 16px;
    border-radius: var(--button-radius);
    background: var(--primary-gradient);
    color: white;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
    transition: transform 0.2s, box-shadow 0.2s, background 0.3s;
    text-align: center;
}

.uploadButton:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    background: var(--hover-gradient);
}

/* ===== GALLERY OPEN BUTTON ===== */
.openGalleryButton {
    display: inline-block;
    padding: 8px 16px;
    border-radius: var(--button-radius);
    background: var(--primary-gradient);
    color: white;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
    border: none;
    transition: transform 0.2s, box-shadow 0.2s, background 0.3s;
}

.openGalleryButton:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    background: var(--hover-gradient);
}

/* ===== FIGCAPTION / LABELS ===== */
figcaption {
    margin-top: 10px;
    font-weight: 600;
    font-size: 1.1em;
    text-align: center;
    color: #444;
}

/* ===== GENERATE BUTTON ===== */
#generateOutfits {
    display: block;
    margin: 20px auto;
    padding: 12px 25px;
    font-size: 1.1em;
    font-weight: bold;
    border: none;
    border-radius: var(--button-radius);
    cursor: pointer;
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform 0.25s, box-shadow 0.25s, background 0.3s;
}

#generateOutfits:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    background: var(--hover-gradient);
}

/* ===== GENERATED OUTFITS SECTION ===== */
#generatedOutfits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.outfitCard {
    background: var(--card-bg);
    border-radius: var(--card-radius);
    padding: 15px;
    box-shadow: 0 5px 18px var(--card-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.outfitCard:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px var(--hover-shadow);
}

.generatedImage {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 12px;
    border: 2px solid #eee;
}

/* ===== GALLERY CONTROLS ===== */
.galleryControls, #useSelectedTops, #useSelectedBottoms {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 25px;
}

.galleryControls button, #useSelectedTops button, #useSelectedBottoms button {
    padding: 10px 20px;
    border-radius: var(--button-radius);
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95em;
    background: var(--primary-gradient);
    color: white;
    transition: transform 0.2s, box-shadow 0.2s, background 0.3s;
}

.galleryControls button:hover, #useSelectedTops button:hover, #useSelectedBottoms button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
    background: var(--hover-gradient);
}

/* ===== GALLERY GRID ===== */
#topsGallery, #bottomsGallery, #gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
}

/* ===== INDIVIDUAL GALLERY CARDS ===== */
.galleryCard {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--card-radius);
    padding: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    box-shadow: 0 6px 18px var(--card-shadow);
    transition: transform 0.25s, box-shadow 0.25s;
    cursor: pointer;
}

.galleryCard:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px var(--hover-shadow);
}

/* ===== THUMBNAILS ===== */
.thumbnail {
    width: var(--thumb-size);
    height: var(--thumb-size);
    object-fit: cover;
    border-radius: 12px;
    border: 2px solid #eee;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.thumbnail:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* ===== ACTIVE CIRCLE & DELETE BUTTON ===== */
.activeCircle {
    width: var(--circle-size);
    height: var(--circle-size);
    border-radius: 50%;
    position: absolute;
    top: 10px;
    right: 10px;
    border: 2px solid #fff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
    transition: background-color 0.3s, transform 0.2s;
}

.activeCircle:hover {
    transform: scale(1.2);
}

.deleteButton {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--delete-color);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: var(--circle-size);
    height: var(--circle-size);
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.deleteButton:hover {
    transform: scale(1.2);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* ===== OVERLAY STYLING ===== */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 999;
    overflow-y: auto;
    padding: 20px;
}

.overlay.active {
    display: flex;
}

.overlayContent {
    background: var(--card-bg);
    border-radius: var(--card-radius);
    padding: var(--overlay-padding);
    max-width: 800px;
    width: 100%;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    position: relative;
}

.closeOverlay {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    background: var(--delete-color);
    color: #fff;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.closeOverlay:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* ===== GALLERY GRID INSIDE OVERLAY ===== */
#topsGallery, #bottomsGallery {
    max-height: 60vh;
    overflow-y: auto;
    padding: 10px;
}

#topsGallery::-webkit-scrollbar, #bottomsGallery::-webkit-scrollbar {
    width: 8px;
}

#topsGallery::-webkit-scrollbar-thumb, #bottomsGallery::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
}

#topsGallery::-webkit-scrollbar-track, #bottomsGallery::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

/* ===== RESPONSIVE STYLING ===== */
@media (max-width: 600px) {
    #outfits { flex-direction: column; gap: 25px; }
    .uploadedImage { width: 130px; height: 130px; }
    .colorDisplay { width: 40px; height: 40px; font-size: 0.6em; }
    #topsGallery, #bottomsGallery, #gallery { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 15px; }
    .thumbnail { width: 120px; height: 120px; }
    .activeCircle, .deleteButton { width: 20px; height: 20px; font-size: 0.8em; }
    .overlayContent { padding: 15px; }
}