:root {
    --registration-primary: #1554a3;
    --registration-primary-dark: #0d3d7a;
    --registration-primary-soft: #edf5ff;
    --registration-accent: #29a3c7;
    --registration-success: #16845b;
    --registration-warning: #b56a08;
    --registration-danger: #c63d4b;
    --registration-text: #17243a;
    --registration-muted: #657289;
    --registration-border: #dce4ee;
    --registration-surface: #ffffff;
    --registration-background: #f4f7fb;
    --registration-shadow: 0 18px 50px rgba(24, 47, 84, 0.08);
}

.registration-page {
    min-height: 100vh;
    padding: 2rem 0 4rem;
    color: var(--registration-text);
    background: radial-gradient(circle at 5% 0%, rgba(41, 163, 199, 0.12), transparent 30rem), radial-gradient(circle at 95% 10%, rgba(21, 84, 163, 0.12), transparent 34rem), var(--registration-background);
}

.registration-container { max-width: 1120px; }
.registration-hero {
    display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1.75rem 2rem; margin-bottom: 1rem;
    overflow: hidden; position: relative; background: linear-gradient(135deg, #fff 0%, #f7fbff 100%);
    border: 1px solid rgba(211, 223, 237, .9); border-radius: 1.5rem; box-shadow: var(--registration-shadow);
}
.registration-hero::after { content: ""; position: absolute; top: -6rem; right: -6rem; width: 16rem; height: 16rem; border-radius: 50%; background: rgba(41,163,199,.08); pointer-events: none; }
.registration-brand { display: flex; align-items: center; gap: 1.5rem; min-width: 0; position: relative; z-index: 1; }
.registration-logo-wrap { display: grid; place-items: center; width: 10.5rem; min-width: 10.5rem; min-height: 6.5rem; padding: 1rem; background: #fff; border: 1px solid var(--registration-border); border-radius: 1.2rem; box-shadow: 0 10px 28px rgba(30,57,95,.08); }
.registration-logo { display: block; width: 100%; max-width: 8rem; height: auto; }
.registration-heading { max-width: 42rem; }
.registration-eyebrow, .modal-eyebrow { display: inline-block; margin-bottom: .45rem; color: var(--registration-primary); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.registration-heading h1 { margin: 0; color: var(--registration-text); font-size: clamp(1.75rem, 3vw, 2.45rem); font-weight: 750; letter-spacing: -.035em; }
.registration-heading p { margin: .65rem 0 0; color: var(--registration-muted); font-size: .96rem; line-height: 1.65; }
.registration-security-note { display: flex; align-items: center; gap: .8rem; min-width: 15rem; padding: .9rem 1rem; position: relative; z-index: 1; background: rgba(255,255,255,.8); border: 1px solid var(--registration-border); border-radius: 1rem; }
.security-icon, .submission-icon, .modal-icon { display: grid; place-items: center; flex: 0 0 auto; width: 2.75rem; height: 2.75rem; color: var(--registration-primary); background: var(--registration-primary-soft); border-radius: .9rem; }
.security-icon svg, .submission-icon svg, .modal-icon svg { width: 1.35rem; height: 1.35rem; }
.registration-security-note strong, .registration-security-note small { display: block; }
.registration-security-note strong { color: var(--registration-text); font-size: .88rem; }
.registration-security-note small { margin-top: .16rem; color: var(--registration-muted); font-size: .74rem; }

.registration-form { display: grid; gap: 1rem; }
.validation-summary:empty {
    display: none;
}

.validation-summary {
    margin: 0;
    padding: 1rem 1.15rem;
    border: 1px solid rgba(198, 61, 75, 0.25);
    border-radius: 1rem;
}

    .validation-summary ul {
        margin: 0;
        padding-left: 1.2rem;
    }
.form-help-banner { display: grid; grid-template-columns: 28px minmax(0,1fr); align-items: start; gap: .75rem; padding: 1rem; margin-bottom: 1.5rem; color: #495057; background: #f7f9fc; border: 1px solid #e1e7ef; border-radius: 12px; }
.help-icon { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; color: var(--registration-primary); background: var(--registration-primary-soft); font-size: .875rem; font-weight: 800; line-height: 1; }
.form-help-content { min-width: 0; line-height: 1.5; }
.form-help-content strong { display: block; margin-bottom: .15rem; color: #25324b; font-size: .95rem; }
.form-help-content > span { display: block; font-size: .875rem; }
.required-label { display: inline-block; white-space: nowrap; }
.required-star { display: inline; color: var(--registration-danger); font-weight: 800; }
.form-section { padding: 1.5rem; background: var(--registration-surface); border: 1px solid var(--registration-border); border-radius: 1.25rem; box-shadow: 0 8px 24px rgba(24,47,84,.05); }
.section-header { margin-bottom: 1.5rem; padding-bottom: 1.2rem; border-bottom: 1px solid #e8edf3; }
.section-header-with-action { display: flex; align-items: center; justify-content: space-between; }
.section-header h2 { margin: 0; color: var(--registration-text); font-size: 1.12rem; font-weight: 750; letter-spacing: -.015em; }
.section-header p { margin: .35rem 0 0; color: var(--registration-muted); font-size: .82rem; line-height: 1.55; }
.copy-details-option { display: flex; align-items: center; gap: .55rem; padding: .65rem .8rem; color: #47566b; font-size: .76rem; font-weight: 650; background: #f7f9fc; border: 1px solid var(--registration-border); border-radius: .8rem; cursor: pointer; user-select: none; }
.copy-details-option input { width: 1rem; height: 1rem; accent-color: var(--registration-primary); }
.field-group { height: 100%; }
.field-label-row { display: flex; align-items: center; gap: .25rem; margin-bottom: .45rem; }
.form-label { margin: 0; color: #344258; font-size: .8rem; font-weight: 700; }
.registration-form .form-control, .registration-form .form-select { min-height: 3.05rem; padding: .78rem .95rem; color: var(--registration-text); font-size: .88rem; background-color: #fbfcfe; border: 1px solid #cfd8e4; border-radius: .85rem; box-shadow: none; transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease; }
.registration-form .form-control::placeholder { color: #99a4b4; }
.registration-form .form-control:hover, .registration-form .form-select:hover { border-color: #aebdce; }
.registration-form .form-control:focus, .registration-form .form-select:focus { background-color: #fff; border-color: var(--registration-primary); box-shadow: 0 0 0 .22rem rgba(21,84,163,.11); }
.registration-form .form-control.is-valid, .registration-form .was-validated .form-control:valid { border-color: rgba(22,132,91,.65); background-image: none; }
.registration-form .form-control.is-invalid, .registration-form .was-validated .form-control:invalid { border-color: rgba(198,61,75,.75); background-image: none; }
.field-validation { display: block; min-height: 1.15rem; margin-top: .35rem; font-size: .72rem; font-weight: 600; }
.username-rule-hint { display: block; margin-top: .4rem; color: var(--registration-muted); font-size: .7rem; line-height: 1.45; }
.username-validation-feedback { display: block; min-height: 1.15rem; margin-top: .25rem; color: var(--registration-danger); font-size: .72rem; font-weight: 600; }

.password-input-wrap { position: relative; }
.password-control { padding-right: 3.25rem !important; }
.password-toggle { position: absolute; top: 50%; right: .55rem; display: grid; place-items: center; width: 2.25rem; height: 2.25rem; padding: 0; color: #6d7a8e; background: transparent; border: 0; border-radius: .65rem; transform: translateY(-50%); }
.password-toggle:hover, .password-toggle:focus-visible { color: var(--registration-primary); background: var(--registration-primary-soft); outline: none; }
.password-toggle svg { width: 1.2rem; height: 1.2rem; }
.password-toggle .eye-closed, .password-toggle.showing .eye-open { display: none; }
.password-toggle.showing .eye-closed { display: block; }
.password-strength { margin-top: .6rem; }
.password-strength-track { height: .28rem; overflow: hidden; margin-bottom: .35rem; background: #e9eef4; border-radius: 999px; }
.password-strength-track span { display: block; width: 0; height: 100%; background: #a4afbd; border-radius: inherit; transition: width .25s ease, background-color .25s ease; }
.password-strength small, .password-match-text { font-size: .7rem; font-weight: 600; }
.strength-weak { color: var(--registration-danger) !important; background-color: var(--registration-danger) !important; }
.strength-fair { color: var(--registration-warning) !important; background-color: #d38a1b !important; }
.strength-good { color: var(--registration-primary) !important; background-color: var(--registration-primary) !important; }
.strength-strong { color: var(--registration-success) !important; background-color: var(--registration-success) !important; }
.password-match-text { display: block; min-height: 1rem; margin-top: .45rem; }
.match-success { color: var(--registration-success); }
.match-error { color: var(--registration-danger); }

.server-warning { display: flex; align-items: flex-start; gap: .8rem; padding: 1rem; color: #6a4307; background: #fff8e9; border: 1px solid #f1dcae; border-radius: .95rem; font-size: .82rem; }
.server-warning-icon { background: #d68a19; }
.submission-panel { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 1.25rem 1.4rem; background: linear-gradient(135deg,#0e3e7d 0%,#1554a3 58%,#1879a4 100%); border-radius: 1.25rem; box-shadow: 0 20px 45px rgba(13,61,122,.2); }
.submission-message { display: flex; align-items: center; gap: .9rem; color: #fff; }
.submission-icon { color: #fff; background: rgba(255,255,255,.14); }
.submission-message strong, .submission-message span { display: block; }
.submission-message strong { font-size: .92rem; }
.submission-message span { margin-top: .2rem; color: rgba(255,255,255,.74); font-size: .76rem; }
.submit-next-button, .final-submit-button { display: inline-flex; align-items: center; justify-content: center; gap: .6rem; min-height: 3rem; padding: .78rem 1.2rem; font-size: .83rem; font-weight: 750; border: 0; border-radius: .85rem; box-shadow: none; }
.submit-next-button { flex: 0 0 auto; color: var(--registration-primary-dark); background: #fff; }
.submit-next-button:hover, .submit-next-button:focus { color: var(--registration-primary-dark); background: #f2f7ff; transform: translateY(-1px); }
.submit-next-button svg { width: 1rem; height: 1rem; }

.registration-modal .modal-dialog { max-width: 900px; }
.registration-modal .modal-content { overflow: hidden; border: 0; border-radius: 1.35rem; box-shadow: 0 30px 80px rgba(20,39,70,.25); }
.registration-modal .modal-header { align-items: flex-start; padding: 1.35rem 1.5rem; background: linear-gradient(135deg,#f7fbff 0%,#edf5ff 100%); border-bottom: 1px solid var(--registration-border); }
.modal-title-wrap { display: flex; align-items: flex-start; gap: .9rem; padding-right: 1rem; }
.registration-modal .modal-title { margin: 0; color: var(--registration-text); font-size: 1.15rem; font-weight: 750; }
.modal-title-wrap p { margin: .3rem 0 0; color: var(--registration-muted); font-size: .77rem; }
.registration-modal .modal-body { padding: 1.5rem; background: #fff; }
.privacy-intro { padding: .9rem 1rem; margin-bottom: 1rem; color: #405c74; font-size: .8rem; line-height: 1.55; background: #f3f8fc; border-left: 3px solid var(--registration-accent); border-radius: .25rem .8rem .8rem .25rem; }
.privacy-list { display: grid; gap: .8rem; margin: 0; padding-left: 1.3rem; color: #58667a; font-size: .77rem; line-height: 1.7; }
.privacy-list li { padding-left: .3rem; }
.privacy-list li::marker { color: var(--registration-primary); font-weight: 800; }
.privacy-list a { color: var(--registration-primary); font-weight: 700; }
.registration-modal .modal-footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.15rem 1.5rem; background: #f8fafc; border-top: 1px solid var(--registration-border); }
.terms-acceptance { display: flex; align-items: flex-start; gap: .65rem; cursor: pointer; }
.terms-acceptance .form-check-input { width: 1.15rem; height: 1.15rem; margin-top: .15rem; accent-color: var(--registration-primary); }
.terms-acceptance strong, .terms-acceptance small { display: block; }
.terms-acceptance strong { color: var(--registration-text); font-size: .8rem; }
.terms-acceptance small { margin-top: .12rem; color: var(--registration-muted); font-size: .7rem; }
.modal-actions { display: flex; align-items: center; gap: .65rem; }
.modal-actions .btn-light { min-height: 3rem; padding: .78rem 1rem; color: #4f5c6f; font-size: .8rem; font-weight: 700; background: #fff; border: 1px solid var(--registration-border); border-radius: .85rem; }
.final-submit-button { min-width: 12.5rem; background: var(--registration-primary); }
.final-submit-button:hover:not(:disabled), .final-submit-button:focus:not(:disabled) { background: var(--registration-primary-dark); }
.final-submit-button:disabled { opacity: .55; cursor: not-allowed; }
.button-loader { display: none; width: 1rem; height: 1rem; border: 2px solid rgba(255,255,255,.35); border-top-color: #fff; border-radius: 50%; animation: registration-spin .7s linear infinite; }
.final-submit-button.is-loading .button-loader { display: inline-block; }
@keyframes registration-spin { to { transform: rotate(360deg); } }

.registration-submitted-page { display: grid; place-items: center; }
.registration-submitted-card { max-width: 44rem; margin: 5rem auto; padding: 3rem; text-align: center; background: #fff; border: 1px solid var(--registration-border); border-radius: 1.5rem; box-shadow: var(--registration-shadow); }
.submitted-icon { display: grid; place-items: center; width: 4rem; height: 4rem; margin: 0 auto 1rem; color: #fff; background: var(--registration-success); border-radius: 50%; font-size: 2rem; font-weight: 800; }
.registration-submitted-card h1 { margin: .25rem 0 .8rem; font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 750; }
.registration-submitted-card p { margin: 0 auto 1.5rem; color: var(--registration-muted); line-height: 1.6; }

@media (max-width: 991.98px) {
    .registration-hero { align-items: flex-start; flex-direction: column; }
    .registration-security-note { width: 100%; min-width: 0; }
    .section-header-with-action { align-items: flex-start; flex-direction: column; }
    .copy-details-option { margin-left: 3.85rem; }
    .registration-modal .modal-footer { align-items: stretch; flex-direction: column; }
    .modal-actions { width: 100%; }
    .modal-actions .btn { flex: 1 1 0; }
}
@media (max-width: 767.98px) {
    .registration-page { padding: .75rem 0 2rem; }
    .registration-hero, .form-section, .submission-panel { border-radius: 1rem; }
    .registration-hero { padding: 1.25rem; }
    .registration-brand { align-items: flex-start; flex-direction: column; gap: 1rem; }
    .registration-logo-wrap { width: 8.5rem; min-width: 8.5rem; min-height: 5rem; padding: .75rem; }
    .registration-heading h1 { font-size: 1.7rem; }
    .registration-heading p { font-size: .84rem; }
    .section-header, .section-title-wrap { gap: .75rem; }
    .copy-details-option { width: 100%; margin-left: 0; }
    .submission-panel { align-items: stretch; flex-direction: column; padding: 1.15rem; }
    .submit-next-button { width: 100%; }
    .registration-modal .modal-dialog { margin: .75rem; }
    .registration-modal .modal-header, .registration-modal .modal-body, .registration-modal .modal-footer { padding: 1.1rem; }
    .modal-title-wrap { gap: .7rem; }
    .modal-icon { width: 2.4rem; height: 2.4rem; }
    .modal-actions { flex-direction: column-reverse; }
    .modal-actions .btn { width: 100%; }
    .registration-submitted-card { margin: 2rem auto; padding: 2rem 1.25rem; }
}
@media (max-width: 420px) {
    .registration-container { padding-right: .65rem; padding-left: .65rem; }
    .form-section { padding: 1rem; }
    .section-header h2 { font-size: 1rem; }
}