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

        :root {
            --bg: #f4f6fb;
            --surface: #ffffff;
            --surface2: #eef0f8;
            --border: rgba(0, 0, 0, 0.08);
            --border-hover: #d9304f;
            --text-primary: #12122a;
            --text-secondary: #5a5a7a;
            --accent: #ab183d;
            --accent-light: #fbe9ee;
            --accent-glow: rgba(171, 24, 61, 0.25);
            --accent-text: #8a0f2f;
            --green: #1d9e75;
            --green-light: #e1f5ee;
            --green-text: #0f6e56;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-pill: 60px;
            --font: 'Inter', system-ui, -apple-system, sans-serif;
            --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 40px rgba(171, 24, 61, 0.12);
            --transition: all 0.25s cubic-bezier(0.2, 0, 0, 1);
        }

        @media (prefers-color-scheme: dark) {
            :root {
                --bg: #0c0c1a;
                --surface: #18182e;
                --surface2: #22223e;
                --border: rgba(255, 255, 255, 0.08);
                --text-primary: #ececf9;
                --text-secondary: #9b9bbf;
                --accent-light: #5c0f22;
                --accent-text: #f0b8c6;
                --green-light: #0d4f40;
                --green-text: #a3e6d2;
                --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.6);
                --shadow-hover: 0 12px 40px rgba(171, 24, 61, 0.25);
                --accent-glow: rgba(171, 24, 61, 0.4);
            }
        }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text-primary);
            min-height: 100vh;
            display: flex;
            align-items: flex-start;
            justify-content: center;
            padding: 2rem 1rem 3rem;
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            width: 100%;
            max-width: 620px;
            animation: fadeUp 0.6s ease both;
        }

        @keyframes fadeUp {
            0% {
                opacity: 0;
                transform: translateY(18px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* --- Language Toggle --- */

        .lang-toggle {
            display: flex;
            background: var(--surface2);
            border-radius: var(--radius-pill);
            padding: 5px;
            margin-bottom: 2rem;
            border: 0.5px solid var(--border);
            backdrop-filter: blur(4px);
            box-shadow: var(--shadow-soft);
        }

        .lang-btn {
            flex: 1;
            padding: 10px 0;
            border: none;
            background: transparent;
            border-radius: var(--radius-pill);
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            font-family: var(--font);
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

        .lang-btn.active {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 12px var(--accent-glow);
        }

        .lang-btn:hover:not(.active) {
            color: var(--text-primary);
        }

        /* --- Hero --- */

        .hero {
            text-align: center;
            margin-bottom: 2.2rem;
        }

        .site-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            background: var(--accent-light);
            color: var(--accent-text);
            padding: 8px 22px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            border: 0.5px solid var(--border);
            transition: var(--transition);
            text-decoration: none;
            backdrop-filter: blur(4px);
        }

        .site-badge:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            transform: scale(1.02);
            box-shadow: 0 6px 18px var(--accent-glow);
        }

        .hero h1 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

        .hero h1 .icon {
            font-size: 30px;
        }

        .hero p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 460px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* --- Photo Cards --- */

        .cards {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-bottom: 1.5rem;
        }

        .photo-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px 22px;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            text-align: left;
            width: 100%;
            font-family: var(--font);
            box-shadow: var(--shadow-soft);
            backdrop-filter: blur(2px);
        }

        .photo-card::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, var(--accent-light), transparent 60%);
            opacity: 0;
            transition: var(--transition);
            pointer-events: none;
        }

        .photo-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .photo-card:hover::after {
            opacity: 1;
        }

        .photo-card:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .photo-card.copied {
            border-color: var(--green);
            background: var(--green-light);
            box-shadow: 0 0 0 4px rgba(29, 158, 117, 0.15);
        }

        .photo-card.copied::after {
            opacity: 0;
        }

        .avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .av-male {
            background: #fbe9ee;
        }

        .av-female {
            background: #fde7ef;
        }

        .av-hijab {
            background: #e5f3d9;
        }

        .photo-card:hover .avatar {
            transform: scale(1.04);
        }

        @media (prefers-color-scheme: dark) {
            .av-male {
                background: #0f3b6b;
            }
            .av-female {
                background: #6a1f3a;
            }
            .av-hijab {
                background: #1e4a0a;
            }
        }

        .card-body {
            flex: 1;
            min-width: 0;
            position: relative;
            z-index: 2;
        }

        .card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 4px;
            letter-spacing: -0.2px;
        }

        .card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 4px;
        }

        .copy-hint {
            font-size: 11px;
            color: var(--text-secondary);
            opacity: 0.7;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .copy-hint::before {
            content: '⏎';
            font-size: 13px;
            opacity: 0.6;
        }

        .copy-badge {
            position: absolute;
            right: 18px;
            top: 50%;
            transform: translateY(-50%) scale(0.9);
            font-size: 12px;
            padding: 5px 16px;
            border-radius: var(--radius-pill);
            background: var(--green);
            color: #fff;
            font-weight: 600;
            opacity: 0;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 12px rgba(29, 158, 117, 0.3);
            z-index: 5;
            pointer-events: none;
        }

        .photo-card.copied .copy-badge {
            opacity: 1;
            transform: translateY(-50%) scale(1);
        }

        /* --- Action Buttons --- */

        .action-row {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 1.8rem;
        }

        .action-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border);
            background: var(--surface);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            font-family: var(--font);
            transition: var(--transition);
            text-decoration: none;
            box-shadow: var(--shadow-soft);
            backdrop-filter: blur(4px);
        }

        .action-btn:hover {
            background: var(--surface2);
            border-color: var(--border-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .action-btn svg {
            flex-shrink: 0;
            transition: var(--transition);
        }

        .action-btn:hover svg {
            transform: scale(1.1);
        }

        /* --- Guide Box --- */

        .guide-box {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 22px 26px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-soft);
            backdrop-filter: blur(2px);
            transition: var(--transition);
        }

        .guide-box:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }

        .guide-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .guide-steps {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .guide-step {
            display: flex;
            gap: 12px;
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            align-items: flex-start;
            padding: 6px 8px;
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .guide-step:hover {
            background: var(--surface2);
        }

        .step-label {
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            flex-shrink: 0;
            min-width: 100px;
            letter-spacing: -0.2px;
        }

        /* --- Toast --- */

        .toast {
            position: fixed;
            bottom: 32px;
            left: 50%;
            transform: translateX(-50%) translateY(80px);
            background: var(--green);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            font-family: var(--font);
            opacity: 0;
            transition: all 0.4s cubic-bezier(0.2, 0, 0, 1);
            z-index: 9999;
            pointer-events: none;
            white-space: nowrap;
            box-shadow: 0 8px 30px rgba(29, 158, 117, 0.4);
            backdrop-filter: blur(8px);
            border: 0.5px solid rgba(255, 255, 255, 0.15);
        }

        .toast.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }

        /* --- Footer --- */

        .footer {
            text-align: center;
            margin-top: 2.2rem;
            font-size: 12px;
            color: var(--text-secondary);
            opacity: 0.7;
        }

        .footer a {
            color: var(--accent);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
        }

        .footer a:hover {
            color: var(--border-hover);
            text-decoration: underline;
        }

        /* --- Related Tools Section --- */

        .related-tools {
            max-width: 1200px;
            margin: 0 auto;
            padding: 60px 20px 40px;
            background: var(--bg);
            border-radius: var(--radius-lg);
            margin-top: 40px;
        }

        .related-tools .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .related-tools .section-badge {
            display: inline-block;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 16px;
        }

        .related-tools h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .related-tools h2 span {
            color: var(--accent);
        }

        .related-tools .subtitle {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto;
        }

        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
        }

        .tool-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: var(--shadow-soft);
            text-align: center;
        }

        .tool-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .tool-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 14px;
            background: var(--accent-light);
            color: var(--accent);
        }

        .tool-card h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .tool-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        @media (max-width: 500px) {
            .tools-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .related-tools h2 {
                font-size: 24px;
            }
            .tool-card {
                padding: 16px;
            }
            .tool-icon {
                width: 44px;
                height: 44px;
                font-size: 20px;
            }
            .tool-card h3 {
                font-size: 13px;
            }
            .tool-card p {
                font-size: 11px;
            }
        }

        /* --- responsive --- */

        @media (max-width: 500px) {
            body {
                padding: 1.2rem 0.6rem 2rem;
            }
            .hero h1 {
                font-size: 22px;
                flex-wrap: wrap;
            }
            .photo-card {
                padding: 14px 16px;
                gap: 12px;
            }
            .avatar {
                width: 44px;
                height: 44px;
                font-size: 22px;
            }
            .card-title {
                font-size: 14px;
            }
            .card-desc {
                font-size: 12px;
            }
            .action-btn {
                padding: 9px 16px;
                font-size: 12px;
            }
            .guide-box {
                padding: 18px 16px;
            }
            .step-label {
                min-width: 80px;
            }
            .copy-badge {
                right: 12px;
                font-size: 10px;
                padding: 4px 12px;
            }
            .toast {
                font-size: 12px;
                padding: 10px 20px;
                white-space: normal;
                max-width: 90%;
            }
        }

        /* Font Awesome CDN for icons */

        .fa {
            font-family: 'Font Awesome 5 Free';
            font-weight: 900;
        }