:root {
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Dark Mode (Default) */
    --bg-color: #030712;
    --grid-color: rgba(128, 128, 128, 0.07);
    --card-bg: #111827;
    --card-border: #1f2937;
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --accent-teal: #14b8a6;
    --accent-blue: #3b82f6;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

[data-theme="light"] {
    --bg-color: #ffffff;
    --grid-color: rgba(0, 0, 0, 0.05);
    --card-bg: #f9fafb;
    --card-border: #e5e7eb;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.5s ease, color 0.5s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 20px 100px 20px;
}

/* Background Elements */
.background-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 24px 24px;
    z-index: -2;
    pointer-events: none;
}

.glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(20, 184, 166, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

/* Top Toolbar */
.top-toolbar {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
    z-index: 1000;
}

.toolbar-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.toolbar-btn:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

.lang-btn {
    width: auto;
    padding: 0 12px;
    font-weight: 600;
    font-size: 0.85rem;
}

header {
    text-align: center;
    margin-top: 60px;
    margin-bottom: 50px;
    z-index: 1;
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--text-primary), var(--accent-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.container {
    width: 100%;
    max-width: 1000px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    z-index: 1;
}

.mode-selector {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 5px;
}

.mode-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    padding: 14px 28px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.mode-btn:hover {
    border-color: var(--accent-teal);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.mode-btn.active {
    background: var(--card-bg);
    border-color: var(--accent-teal);
    color: var(--text-primary);
    box-shadow: 0 0 15px rgba(20, 184, 166, 0.2);
}

.mode-btn.active i {
    color: white;
}

.upload-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.drop-zone {
    border: 2px dashed var(--card-border);
    border-radius: 16px;
    padding: 60px 20px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.drop-zone:hover {
    border-color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.02);
}

.drop-zone i {
    font-size: 48px;
    color: var(--accent-blue);
}

.drop-zone p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.drop-zone span {
    color: var(--text-primary);
    font-weight: 500;
}

#image-input {
    display: none;
}


.results-header {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.btn {
    padding: 12px 24px;
    border-radius: 12px;
    border: 1px solid transparent;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-teal), var(--accent-blue));
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
    opacity: 0.9;
}

.btn-download {
    background: var(--card-bg);
    color: var(--text-primary);
    border-color: var(--card-border);
    width: 100%;
}

.btn-download:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.05);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.results-grid.visible {
    opacity: 1;
    transform: translateY(0);
}

.result-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    box-shadow: var(--shadow);
}

.result-canvas-container {
    width: 100%;
    aspect-ratio: 1080 / 1350;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
}

.btn-download i {
    font-size: 1.2rem;
}

.processing-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(4px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loader {
    width: 48px;
    height: 48px;
    border: 5px solid rgba(20, 184, 166, 0.1);
    border-bottom-color: var(--accent-teal);
    border-radius: 50%;
    display: inline-block;
    animation: rotation 1s linear infinite;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-teal);
    font-weight: 700;
    margin-bottom: 5px;
    display: block;
}

/* Hidden elements for processing */
#temp-canvas {
    display: none;
}

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 15px;
    text-align: center;
    border-top: 1px solid var(--card-border);
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    z-index: 100;
}

footer p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

footer a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
    padding: 5px 12px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
}

footer a:hover {
    color: var(--accent-teal);
    background: rgba(20, 184, 166, 0.1);
    transform: translateY(-2px);
}

footer i {
    font-size: 1.2rem;
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

@media (max-width: 768px) {
    body {
        padding: 20px 10px 100px 10px;
    }

    header h1 {
        font-size: 2rem;
    }

    .mode-selector {
        gap: 8px;
        flex-wrap: wrap;
    }

    .mode-btn {
        padding: 10px 16px;
        font-size: 0.85rem;
        border-radius: 12px;
        gap: 6px;
    }

    .mode-btn i {
        font-size: 0.9rem;
    }

    .results-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .result-item {
        padding: 8px;
        gap: 8px;
    }

    .tag {
        font-size: 0.5rem;
        margin-bottom: 2px;
    }

    .btn-download {
        padding: 8px 2px;
        font-size: 0.7rem;
        gap: 4px;
    }
}