.title {
            text-align: center;
            font-family: "Roboto",system-ui;
            color: #0F172A;
        }
        .center {
            position: static;
            transform: none;
            display: block;
            width: 100%;
            margin-top: 10px;
        }
        #subtitle {
            transform: none;
            margin-top: -4px;
            margin-bottom: 24px;
            color: #475569;
            font-size: 14px;
        }
        #subtitle2 {
            margin-top: -28px;
            margin-bottom: 22px;
        }
        h1 {
            font-size: 48px;
            margin: 0;
        }
        h2 {
            margin: 0;
            font-size: 24px;
        }
        h3 {
            margin: 0;
            font-size: 18px;
            color: #334155;
        }
        h4 {
            margin: 0;
            font-size: 15px;
            color: #475569;
        }
        #mainTitle {
            color: #F1F5F9;
            margin-top: 28px;
            margin-bottom: 26px;
        }
        .mainTitlePage {
            color: #e8ebed;
            text-align: center;
        }
        body {
            font-family: "Roboto", system-ui, sans-serif;
            background:
                    radial-gradient(circle at center,
                    rgba(0,0,0,0) 60%,
                    rgba(0,0,0,0.35) 100%),
                    radial-gradient(circle at 50% 20%,
                    #2c314f 0%,
                    #161b36 60%,
                    #0c1022 100%);
            margin: 0;
            padding: 0 12px;
            min-height: 100vh;
            overflow: hidden;
        }
        body::after {
            content: "";
            position: fixed;
            inset: 0;

            background-image: url("https://grainy-gradients.vercel.app/noise.svg");
            opacity: 0.04;

            pointer-events: none;
        }
        #phoneDevice {
            position: relative;
            z-index: 1;
            width: 100%;
            max-width: 380px;
            height: 620px;
            margin: auto;
            border: 10px #0e0d0d solid;
            border-top-width: 16px;
            border-bottom-width: 34px;
            border-radius: 20px;
            background: #0e0d0d;
            box-shadow:
                    0 25px 60px rgba(0,0,0,0.55),
                    0 8px 20px rgba(0,0,0,0.35),
                    0 0 40px rgba(49, 46, 129, 0.08);
        }
        #phoneDevice::before { /* front camera notch */
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 42%;
            height: 15px;
            background: #000;
            border-radius: 0 0 20px 20px;
            z-index: 2;
        }
        #homeBar { /* phone camera notch */
            position: absolute;
            bottom: 10px;
            left: 50%;
            transform: translateX(-50%);

            width: 40%;
            height: 5px;

            background: #94A3B8;
            border-radius: 5px;

            cursor: pointer;
            opacity: 0.7;
            transition: opacity 0.2s ease;
        }
        #homeBar:hover {
            opacity: 1;
        }
        #homeBar:active {
            transform: translateX(-50%) scaleX(0.95);
        }
        #phoneDevice #screen {
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, #F8FAFC, #EEF2F7);
            overflow: hidden;
            padding: 40px 20px;
            box-sizing: border-box;
            transition: opacity 0.3s ease;
        }
        #phoneDevice #results {
            position: relative;
            width: 100%;
            height: 100%;
            overflow: hidden;
            background: linear-gradient(180deg, #F8FAFC, #EEF2F7);
            display: none;
            padding: 24px 20px;
            box-sizing: border-box;
            transition: opacity 0.3s ease;
        }

        #resultsScroller {
            width: 100%;
            height: 200%;
            transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
        }

        /* ensure page 1 shows first */
        #resultsPage1,
        #resultsPage2 {
            width: 100%;
            height: 50%;
            box-sizing: border-box;
        }

        .card {
            margin-bottom: 18px;
        }

        #timeCalculator {
            background: rgba(255,255,255,0.9);
            border-radius: 16px;
            padding: 20px;
            border: 1px solid #E2E8F0;
        }

        label {
            display: block;
            margin-bottom: 6px;
            color: #0F172A;
            font-size: 14px;
        }

        input[type="number"],
        input[type="date"],
        input[type="text"] {
            width: 100%;
            box-sizing: border-box;
            padding: 12px;
            border-radius: 10px;
            border: 1px solid #CBD5E1;
            font-size: 15px;
            margin-bottom: 14px;
        }

        .button {
            width: 100%;
            padding: 14px;
            margin-top: 14px;
            border: none;
            border-radius: 12px;
            background: #312E81;
            color: white;
            font-weight: 600;
            cursor: pointer;
        }
        #back {
            margin-top: 70px;
        }
        .button:active {
            transform: translateY(2px);
            box-shadow: 0 4px 10px;
        }


        /* RESULT PAGE 1 */
        #resultsPage1 h1 {
            text-align: center;
            font-size: 60px;
            color: #312E81;
            line-height: 0.95;
            letter-spacing: -1px;
            white-space: nowrap;
            overflow-wrap: normal;
        }
        #p1subtitle {
            transform: translateY(-20px);
        }
        #resultsPage1 p {
            text-align: center;
            color: #334155;
        }
        #resultsPage1 h3,
        #resultsPage1 h4 {
            color: #334155;
            text-align: center;
            background: white;
            border-radius: 12px;
            padding: 12px;
        }

        /* RESULT PAGE 2 */
        #resultsPage2 {
            position: relative;
            text-align: center;
            padding-top: 24px;
        }
        #resultsPage2 .card {
            margin-bottom: 10px;
        }
        #resultsPage2 h1 {
            font-size: 52px;
            color: #312E81;
            line-height: 1;
            margin-bottom: 8px;
        }
        #resultsPage2 h4 {
            color: #475569;
            font-size: 14px;
        }
        #resultsPage2 h2 {
            font-size: 16px;
            color: #475569;
        }
        #assumptionNote {
            position: absolute;
            bottom: 34px;
            left: 0;
            width: 100%;
            text-align: center;
            font-size: 11px;
            color: #94A3B8;
            letter-spacing: 0.2px;
        }
        #homeHint {
            position: absolute;
            bottom: 18px;
            left: 0;
            width: 100%;
            text-align: center;
            font-size: 11px;
            color: #334155;
            letter-spacing: 0.2px;
            display: block;
        }

        /* SAVED TIME RESULTS */
        #savedTimeTool {
            margin-top: 18px;
            padding: 12px 10px 10px 10px;
            background: rgba(255,255,255,0.45);
            border: 1px solid rgba(226,232,240,0.7);
            border-radius: 14px;
        }
        #savedTimeLabel {
            color: #334155;
            margin-bottom: 12px;
        }
        #hoursSavedSlider {
            width: 100%;
            margin: 6px 0 10px 0;
            accent-color: #312E81;
        }
        #sliderValue {
            text-align: center;
            color: #475569;
            font-size: 14px;
            margin: 0 0 12px 0;
        }
        #savedHoursResult {
            text-align: center;
            color: #334155;
            font-size: 16px;
            margin: 0 0 6px 0;
        }
        #savedYearsResult {
            text-align: center;
            color: #475569;
            font-size: 14px;
            margin: 0;
        }

        /* Share Options */
        .shareActions {
            display: flex;
            gap: 10px;
            margin-top: 14px;
        }
        .shareButton {
            flex: 1;
            appearance: none;
            -webkit-appearance: none;
            padding: 11px 12px;
            border: 1px solid rgba(49,46,129,0.16);
            border-radius: 12px;
            background: rgba(255,255,255,0.55);
            color: #312E81;
            font-weight: 500;
            cursor: pointer;
        }
        .shareButton:active {
            transform: translateY(1px);
            background: rgba(255,255,255,0.72);
        }
        .shareStatus {
            min-height: 16px;
            margin-top: 8px;
            font-size: 12px;
            text-align: center;
            color: #475569;
        }

        /* Input Validation Error Styling */
        .errorText {
            color: #b91c1c;
            font-size: 13px;
            margin-top: 0;
            padding-top: 0;
            margin-bottom: 4px;
            text-align: center;
            min-height: 18px;
            transform: translateY(-12px);
        }
        input:invalid {
            border-color: #990000;
            background-color: #ffdddd;
        }
        input:focus:invalid {
            outline: none;
        }

        #desktopBirthdate {
            display: block;
        }
        #mobileBirthdate {
            display: none;
        }
        @media (max-width: 420px) {
            #mobileBirthdate {
                display: block;
            }
            #desktopBirthdate {
                display: none;
            }
            h1 {
                font-size: 38px;
            }

            #phoneDevice {
                box-sizing: border-box;
                height: 570px;
            }

            #phoneDevice #screen {
                padding: 30px 16px;
            }

            #resultsPage1 {
                padding-top: 4px;
            }

            #resultsPage1 .card {
                margin-bottom: 10px;
            }

            #resultsPage1 h1 {
                font-size: 48px;
                margin-bottom: 4px;
            }

            #p1subtitle {
                transform: translateY(-10px);
                margin-bottom: 0;
            }

            #resultsPage1 h3,
            #resultsPage1 h4 {
                padding: 10px;
                font-size: 14px;
            }

            #resultsPage1 .button {
                margin-top: 8px;
                padding: 12px;
            }

            .shareActions {
                gap: 8px;
                margin-top: 10px;
            }

            .shareButton {
                padding: 10px 10px;
                font-size: 13px;
            }

            #back {
                margin-top: auto;
            }

            .shareStatus {
                min-height: 14px;
                margin-top: 6px;
                font-size: 11px;
            }

            #resultsPage2 {
                padding-top: 24px;
            }
        }
        @media (max-height: 800px) {
            body {
                padding-top: 12px;
                padding-bottom: 18px;
                overflow-x: hidden;
                overflow-y: auto;
            }
            #mainTitle {
                margin-top: 12px;
                margin-bottom: 14px;
            }
            #subtitle2 {
                margin-top: -16px;
                margin-bottom: 14px;
            }
            #resultsPage2 {
                padding-bottom: 80px;
            }
        }