@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

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

        :root {
            --color-primary: #10b981;
            --color-primary-dark: #059669;
            --color-accent: #34d399;
            --color-card: #ffffff;
            --color-input: #f0fdfa;
            --color-text: #111827;
            --color-placeholder: #6b7280;
            --color-border: #a7f3d0;
            --color-gradient: linear-gradient(45deg, #10b981, #34d399);
            --color-shadow: rgba(16, 185, 129, 0.15);
            --color-bg: radial-gradient(ellipse at top, #ecfdf5, #f0fdf4);
            --color-secondary: #f3f4f6;
        }

        body.dark-theme {
            --color-card: #1f2937;
            --color-input: #374151;
            --color-text: #f9fafb;
            --color-placeholder: #9ca3af;
            --color-border: #4b5563;
            --color-shadow: rgba(139, 92, 246, 0.2);
            --color-bg: radial-gradient(ellipse at top, #111827, #1f2937);
            --color-secondary: #374151;
        }

        body {
            min-height: 100vh;
            color: var(--color-text);
            background: var(--color-bg);
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 25% 25%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 75% 75%, rgba(52, 211, 153, 0.08) 0%, transparent 50%);
            pointer-events: none;
            z-index: -1;
        }

        body.dark-theme::before {
            background: 
                radial-gradient(circle at 25% 25%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 75% 75%, rgba(99, 102, 241, 0.06) 0%, transparent 50%);
        }

        /* Header Section */
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
            padding: 20px 0;
        }

        body.dark-theme .header {
            background: rgba(31, 41, 55, 0.95);
        }

        .header-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .brand-icon {
            width: 50px;
            height: 50px;
            background: var(--color-gradient);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.4rem;
            box-shadow: 0 8px 25px var(--color-shadow);
        }

        .brand-text h1 {
            font-size: 1.8rem;
            font-weight: 700;
            background: var(--color-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: -4px;
        }

        .brand-text p {
            font-size: 0.85rem;
            color: var(--color-placeholder);
            font-weight: 400;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .theme-toggle {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--color-input);
            border: 1px solid var(--color-border);
            color: var(--color-placeholder);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            font-size: 1rem;
        }

        .theme-toggle:hover {
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px var(--color-shadow);
        }

        /* Main Container */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 24px;
        }

        /* Control Panel */
        .control-panel {
            background: var(--color-card);
            border-radius: 24px;
            padding: 32px;
            margin-bottom: 40px;
            box-shadow: 0 10px 40px var(--color-shadow);
            border: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }

        .control-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-gradient);
        }

        .section-title {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-title i {
            color: var(--color-primary);
            font-size: 1.1rem;
        }

        /* Prompt Section */
        .prompt-section {
            margin-bottom: 32px;
        }

        .prompt-container {
            position: relative;
            margin-bottom: 20px;
        }

        .prompt-input {
            width: 100%;
            min-height: 140px;
            padding: 20px 24px;
            border: 2px solid var(--color-border);
            border-radius: 16px;
            background: var(--color-input);
            color: var(--color-text);
            font-size: 1rem;
            line-height: 1.6;
            resize: vertical;
            transition: all 0.3s ease;
            font-family: inherit;
        }

        .prompt-input::placeholder {
            color: var(--color-placeholder);
        }

        .prompt-input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.15);
        }

        .prompt-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .prompt-btn {
            padding: 12px 20px;
            background: var(--color-secondary);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            color: var(--color-text);
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
        }

        .prompt-btn:hover {
            background: var(--color-input);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px var(--color-shadow);
        }

        /* Settings Grid */
        .settings-section {
            margin-bottom: 32px;
        }

        .settings-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 24px;
        }

        .setting-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .setting-label {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
        }

        .custom-select {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid var(--color-border);
            border-radius: 12px;
            background: var(--color-input);
            color: var(--color-text);
            font-size: 0.95rem;
            cursor: pointer;
            appearance: none;
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
            background-position: right 12px center;
            background-repeat: no-repeat;
            background-size: 16px;
            transition: all 0.3s ease;
        }

        .custom-select:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.1);
        }

        /* Generate Button */
        .generate-section {
            display: flex;
            justify-content: center;
        }

        .generate-btn {
            padding: 16px 32px;
            background: var(--color-gradient);
            border: none;
            border-radius: 16px;
            color: white;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px var(--color-shadow);
            min-width: 180px;
            justify-content: center;
        }

        .generate-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 35px var(--color-shadow);
        }

        .generate-btn:disabled {
            opacity: 0.6;
            pointer-events: none;
        }

        /* Gallery Section */
        .gallery-section {
            background: var(--color-card);
            border-radius: 24px;
            padding: 32px;
            box-shadow: 0 10px 40px var(--color-shadow);
            border: 1px solid var(--color-border);
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 24px;
        }

        .img-card {
            background: var(--color-input);
            border-radius: 20px;
            overflow: hidden;
            position: relative;
            aspect-ratio: 1;
            border: 2px solid var(--color-border);
            transition: all 0.4s ease;
        }

        .img-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px var(--color-shadow);
        }

        .img-card.loading {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .img-card .result-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .img-card .img-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            padding: 24px;
            opacity: 0;
            transition: all 0.3s ease;
        }

        .img-card:hover .img-overlay {
            opacity: 1;
        }

        .img-download-btn {
            width: 48px;
            height: 48px;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
            border: none;
            border-radius: 50%;
            color: white;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            margin-left: auto;
        }

        .img-download-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: scale(1.1);
        }

        .status-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
            padding: 24px;
        }

        .spinner {
            width: 40px;
            height: 40px;
            border: 3px solid var(--color-border);
            border-top-color: var(--color-primary);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        .img-card.error .spinner {
            display: none;
        }

        .img-card.error .status-container i {
            font-size: 2rem;
            color: #ef4444;
        }

        .status-text {
            font-size: 0.9rem;
            color: var(--color-placeholder);
            text-align: center;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* Credits Section */
        .credits {
            background: var(--color-card);
            border-radius: 20px;
            padding: 32px;
            margin-top: 40px;
            text-align: center;
            box-shadow: 0 5px 20px var(--color-shadow);
            border: 1px solid var(--color-border);
        }

        .credits-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 20px;
        }

        .creators-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            max-width: 500px;
            margin: 0 auto;
        }

        .creator-card {
            background: var(--color-input);
            padding: 24px;
            border-radius: 16px;
            border: 1px solid var(--color-border);
            transition: all 0.3s ease;
        }

        .creator-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 25px var(--color-shadow);
        }

        .creator-name {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 12px;
        }

        .social-link {
            width: 40px;
            height: 40px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-placeholder);
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 1rem;
        }

        .social-link:hover {
            background: var(--color-primary);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px var(--color-shadow);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .header-content {
                padding: 0 16px;
            }

            .brand-text h1 {
                font-size: 1.5rem;
            }

            .container {
                padding: 20px 16px;
            }

            .control-panel,
            .gallery-section,
            .credits {
                padding: 24px;
            }

            .settings-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .gallery-grid {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
                gap: 16px;
            }

            .creators-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .prompt-actions {
                justify-content: center;
            }

            .img-card .img-overlay {
                opacity: 1;
            }
        }

        @media (max-width: 480px) {
            .brand {
                gap: 12px;
            }

            .brand-icon {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }

            .brand-text h1 {
                font-size: 1.3rem;
            }

            .control-panel,
            .gallery-section,
            .credits {
                padding: 20px;
            }

            .prompt-input {
                min-height: 120px;
                padding: 16px 20px;
            }
        }