body {
            background: linear-gradient(135deg, #0f172a, #1e293b);
            color: #fff;
            font-family: Arial, sans-serif;
            min-height: 100vh;
        }

        .main-card {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 20px;
            backdrop-filter: blur(8px);
            box-shadow: 0 8px 30px rgba(0,0,0,0.25);
        }

        .section-title {
            font-weight: bold;
            font-size: 1.2rem;
            color: #facc15;
            margin-bottom: 15px;
        }

        .chart-wrapper {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 20px;
        }

        .astro-circle {
            position: relative;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            border: 4px solid #facc15;
            background: radial-gradient(circle, #1e293b 40%, #0f172a 100%);
            overflow: hidden;
        }

        .segment-line {
            position: absolute;
            width: 2px;
            height: 50%;
            background: rgba(255,255,255,0.5);
            top: 0;
            left: 50%;
            transform-origin: bottom center;
        }

        .segment-number {
            position: absolute;
            font-weight: bold;
            color: #fff;
            background: rgba(250, 204, 21, 0.15);
            border: 1px solid rgba(250, 204, 21, 0.5);
            padding: 4px 8px;
            border-radius: 20px;
            font-size: 14px;
            transform: translate(-50%, -50%);
        }

        .earth-center {
            position: absolute;
            width: 140px;
            height: 140px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            border-radius: 50%;
            background: #0b1220;
            border: 4px solid #38bdf8;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
            box-shadow: 0 0 25px rgba(56, 189, 248, 0.5);
        }

        .earth-center img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .info-box {
            min-height: 130px;
            border-radius: 15px;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.08);
            padding: 20px;
        }

        .form-label {
            color: #e2e8f0;
        }

        .form-control, .form-select {
            background-color: rgba(255,255,255,0.08);
            color: #fff;
            border: 1px solid rgba(255,255,255,0.15);
        }

        .form-control:focus, .form-select:focus {
            background-color: rgba(255,255,255,0.12);
            color: #fff;
            box-shadow: none;
            border-color: #facc15;
        }

        .form-control::placeholder {
            color: #cbd5e1;
        }

        .btn-custom {
            background: #facc15;
            color: #111827;
            font-weight: bold;
            border: none;
        }

        .btn-custom:hover {
            background: #eab308;
            color: #111827;
        }

        @media (max-width: 768px) {
            .astro-circle {
                width: 340px;
                height: 340px;
            }

            .earth-center {
                width: 95px;
                height: 95px;
            }

            .segment-number {
                font-size: 12px;
                padding: 3px 6px;
            }
        }