@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@700&family=Poppins:wght@300;400;600&display=swap');

        body {
            background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
            background-attachment: fixed;
            color: #f8fafc;
            font-family: 'Poppins', sans-serif;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }

        /* Responsivitas Judul Utama & Riwayat */
        .luxury-text {
            font-family: 'Cinzel', serif;
            background: linear-gradient(to bottom, #fde68a 0%, #fbbf24 50%, #b45309 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 5px 15px rgba(0,0,0,0.5);
            /* Font size dinamis: kecil di HP, besar di Desktop */
            font-size: clamp(1.2rem, 4vw, 2.5rem);
            line-height: 1.2;
        }

        .glass-panel {
            background: rgba(30, 41, 59, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(251, 191, 36, 0.2);
            border-radius: 12px;
        }

        .gold-button {
            background: linear-gradient(45deg, #b45309, #fbbf24, #b45309);
            background-size: 200% auto;
            transition: 0.5s;
            color: #000;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            box-shadow: 0 4px 15px rgba(251, 191, 36, 0.4);
        }

        .gold-button:hover {
            background-position: right center;
            transform: scale(1.02);
        }

        .outline-button {
            border: 1px solid #fbbf24;
            color: #fbbf24;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .outline-button:hover {
            background: rgba(251, 191, 36, 0.1);
            transform: translateY(-2px);
        }

        input, select {
            background: rgba(15, 23, 42, 0.8) !important;
            border: 1px solid #475569 !important;
            color: #f1f5f9 !important;
            transition: all 0.3s ease;
        }

        input:focus, select:focus {
            border-color: #fbbf24 !important;
            outline: none;
            box-shadow: 0 0 10px rgba(251, 191, 36, 0.2);
        }

        .result-card {
            border-left: 4px solid #fbbf24;
            background: linear-gradient(90deg, rgba(251, 191, 36, 0.1), transparent);
        }

        .history-item {
            background: rgba(255, 255, 255, 0.03);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .container-fluid {
            width: 100%;
            margin: 0;
            padding: 10px;
        }

        ::-webkit-scrollbar { width: 5px; }
        ::-webkit-scrollbar-track { background: #0f172a; }
        ::-webkit-scrollbar-thumb { background: #b45309; border-radius: 10px; }