:root {
            --bg: #F5F5F5;
            --white-1: #ffffff;
            --black-1: #1A1A1A;
            --gray-1: #666666;
            --text-dark: #1A1A1A;
            --shadow-light: #ffffff;
            --shadow-dark: #d5d5d5;
            --transition: 1.25s;
        }

        *, *::after, *::before { margin: 0; padding: 0; box-sizing: border-box; user-select: none; }

        body {
            width: 100%;
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            font-family: 'Inter', sans-serif;
            font-size: 12px;
            background-color: var(--bg);
            color: var(--gray-1);
            overflow-x: hidden;
        }

        .main {
            position: relative;
            width: clamp(480px, 96vw, 1000px);
            min-height: 600px;
            padding: 25px;
            background-color: var(--bg);
            border-radius: 20px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.08);
            overflow: hidden;
        }

        .container {
            display: flex;
            justify-content: center;
            align-items: center;
            position: absolute;
            top: 0;
            width: 60%;
            height: 100%;
            padding: 25px;
            background-color: var(--bg);
            transition: var(--transition) ease-in-out;
        }

        .form {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            width: 100%;
            height: 100%;
            transition: var(--transition) ease-in-out;
        }

        .title { font-size: 32px; font-weight: 800; line-height: 2; color: var(--text-dark); white-space: nowrap; }

        .form__icons { display: flex; justify-content: center; align-items: center; margin: 10px 0; }

        .form__icon-btn {
            width: 46px; height: 46px; margin: 0 10px; border-radius: 50%; border: none; outline: none;
            background-color: var(--bg); display: flex; align-items: center; justify-content: center; cursor: pointer;
            box-shadow: 4px 4px 8px var(--shadow-dark), -4px -4px 8px var(--shadow-light); transition: 0.25s ease;
        }
        .form__icon-btn:hover { box-shadow: inset 2px 2px 4px var(--shadow-dark), inset -2px -2px 4px var(--shadow-light); }
        .form__icon-btn:active { transform: scale(0.95); }
        .linkedin-icon-btn { color: #0A66C2; }
        .linkedin-icon-btn:hover { color: #004182; }

        .form__row { display: flex; gap: 10px; width: clamp(240px, 80%, 350px); margin: 5px 0; }

        .floating-input-group { position: relative; width: clamp(240px, 80%, 350px); margin: 5px 0; }
        .floating-input-group.half { width: calc(50% - 5px); }

        .form__span { font-size: 11px; margin-bottom: 15px; color: var(--gray-1); }

        .form__input {
            width: 100%;
            height: 40px !important;
            padding: 0 20px !important;
            font-size: 14px !important;
            border: 1px solid #DDDDDD !important;
            outline: none;
            border-radius: 8px !important;
            font-family: 'Inter', sans-serif;
            color: var(--text-dark);
            background-color: #FFFFFF !important;
            box-shadow: none !important;
            transition: 0.3s ease;
        }

        .floating-input-group label {
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 13px;
            color: var(--gray-1);
            pointer-events: none;
            transition: top 0.2s ease, transform 0.2s ease, font-size 0.2s ease, color 0.2s ease;
        }

        .floating-input-group input:focus ~ label,
        .floating-input-group input:not(:placeholder-shown) ~ label {
            top: 4px; transform: none; font-size: 10px; color: #147AE6;
        }

        .form__input::placeholder { color: var(--gray-1); }

        .form__input:focus {
            border-color: #147AE6 !important;
            box-shadow: 0 0 0 3px rgba(20,122,230,0.12) !important;
        }

        .form__link { color: var(--text-dark); font-size: 13px; margin-top: 15px; border-bottom: 1px solid var(--gray-1); line-height: 2; text-decoration: none; cursor: pointer; }

        .button {
            width: 180px; height: 40px !important; border-radius: 8px !important; margin-top: 25px;
            font-weight: 700 !important; font-size: 13px !important; letter-spacing: 1.15px;
            border: none; outline: none; cursor: pointer; transition: 0.25s ease;
        }

        .form__button { background-color: #0060B3 !important; color: #FFFFFF !important; }
        .form__button:hover { background-color: #004E95 !important; }
        .form__button:active { box-shadow: inset 3px 3px 6px var(--shadow-dark), inset -3px -3px 6px var(--shadow-light); }
        .form__button:disabled { background-color: #9CA3AF !important; color: #ffffff !important; cursor: not-allowed; }

        .a-container { z-index: 100; left: 40%; }
        .b-container { left: 40%; z-index: 0; }

        .switch {
            display: flex; justify-content: center; align-items: center;
            position: absolute; top: 0; left: 0; height: 100%; width: 40%; padding: 50px; z-index: 200;
            background: #0060B3 !important;
            box-shadow: 4px 4px 10px var(--shadow-dark), -4px -4px 10px var(--shadow-light);
            overflow: hidden; transition: var(--transition) ease-in-out;
        }

        .switch__circle {
            position: absolute; width: 500px; height: 500px; border-radius: 50%;
            background: #004E95 !important;
            box-shadow: inset 8px 8px 12px rgba(0,0,0,0.3), inset -8px -8px 12px rgba(255,255,255,0.05);
            bottom: -60%; left: -60%; transition: var(--transition) ease-in-out;
        }
        .switch__circle--t { top: -30%; left: 60%; width: 300px; height: 300px; }

        .switch__container {
            display: flex; justify-content: center; align-items: center; flex-direction: column;
            position: absolute; width: 100%; padding: 50px 55px; transition: var(--transition) ease-in-out;
        }

        .switch__title { color: var(--white-1); font-size: 30px; }
        .switch__description { color: #e0e6ed; font-size: 13px; text-align: center; margin: 15px 0 25px 0; line-height: 1.6; }

        .switch__button {
            background-color: transparent; color: var(--white-1); border: 2px solid #FFFFFF !important; box-shadow: none;
        }
        .switch__button:hover { background-color: var(--white-1); color: #0060B3; box-shadow: 0 4px 15px rgba(0,0,0,0.15); }
        .switch__button:active { transform: scale(0.95); }

        .is-txr { left: 60%; transition: var(--transition) ease-in-out; }
        .is-txl { left: 0; transition: var(--transition) ease-in-out; }
        .is-z200 { z-index: 200; transition: var(--transition) ease-in-out; }
        .is-hidden { visibility: hidden; opacity: 0; position: absolute; transition: var(--transition) ease-in-out; }
        .is-gx { animation: is-gx var(--transition) ease-in-out; }

        @keyframes is-gx {
            0%, 10%, 100% { width: 40%; }
            30%, 50% { width: 50%; }
        }

        .mobile-only-toggle { display: none; margin-top: 20px; font-size: 12px; color: var(--gray-1); }
        .toggle-link { color: #0060B3; font-weight: 700; cursor: pointer; text-decoration: underline; }

        @media (max-width: 768px) {
            .main { padding: 15px; }
            .switch { padding: 30px 25px; }
            .switch__container { padding: 30px 25px; }
            .switch__title { font-size: 22px; }
            .switch__description { font-size: 12px; margin: 10px 0 16px; }
        }

        @media (max-width: 480px) {
            body { padding: 20px; height: auto; min-height: 100vh; overflow-y: auto; }
            .main { width: 100%; max-width: 420px; height: auto; min-height: 480px; padding: 20px; border-radius: 16px; }
            .container { position: relative; width: 100%; height: auto; padding: 20px 10px; left: 0 !important; background-color: transparent; }
            .a-container { display: none; }
            .b-container { display: flex; z-index: 100; }
            .form__input { width: 100%; }
            .floating-input-group { width: 100%; max-width: 380px; }
            .floating-input-group.half { width: calc(50% - 5px); }
            .form__row { width: 100%; max-width: 380px; }
            .switch { display: none !important; }
            .mobile-only-toggle { display: block; }
        }

        .password-validation-cnt {
            display: flex; flex-wrap: wrap; gap: 6px 12px; width: clamp(240px, 80%, 350px);
            margin-top: 5px; margin-bottom: 5px; font-size: 10px; padding-left: 5px;
            max-height: 0; opacity: 0; overflow: hidden; transition: max-height 0.4s ease, opacity 0.4s ease;
        }
        .password-validation-cnt.is-visible { max-height: 100px; opacity: 1; }
        .validation-rule { width: calc(50% - 8px); color: var(--gray-1); display: flex; align-items: center; gap: 4px; transition: color 0.25s ease; font-weight: 500; }
        .validation-rule::before { content: "●"; margin-right: 4px; font-size: 10px; display: inline-block; transition: transform 0.2s ease; }
        #rule-match { width: 100%; }
        .validation-rule.valid { color: #2e7d32; }
        .validation-rule.valid::before { content: "✔"; color: #2e7d32; font-weight: 700; transform: scale(1.2); }
        .validation-rule.invalid { color: #d32f2f; }
        .validation-rule.invalid::before { content: "✖"; color: #d32f2f; font-weight: 700; }

        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            20%, 60% { transform: translateX(-6px); }
            40%, 80% { transform: translateX(6px); }
        }

        .password-toggle-btn {
            position: absolute; right: 15px; top: 50%; transform: translateY(-50%);
            background: none; border: none; outline: none; color: var(--gray-1); cursor: pointer;
            display: flex; align-items: center; justify-content: center; padding: 5px; z-index: 10; transition: color 0.2s ease;
        }
        .password-toggle-btn:hover { color: #0060B3; }
        .password-toggle-btn svg { display: block; width: 20px; height: 20px; }
        .floating-input-group.has-toggle input { padding-right: 48px !important; }