:root {
    --primary: var(--login-primary);
    --primary-dark: var(--login-primary-dark);
    --text-primary: var(--login-ink);
    --text-secondary: #506269;
    --text-muted: #718287;
    --border-light: #e0e9e7;
    --bg-body: #f3f8f6;
}

.registration-main {
    position: relative;
    min-height: 720px;
    padding: 56px 0 96px;
    overflow: hidden;
    background:
        linear-gradient(108deg, rgba(255, 255, 255, 0.98) 3%, rgba(248, 252, 249, 0.91) 48%, rgba(195, 226, 215, 0.76) 100%),
        #eef7f3;
}

.registration-main::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.2;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='210' viewBox='0 0 240 210'%3E%3Cg fill='none' stroke='%237ab6a5' stroke-width='2'%3E%3Cpath d='M60 18l40 23v46l-40 23-40-23V41zM180 100l40 23v46l-40 23-40-23v-46z'/%3E%3Cpath d='M100 64h40M120 64v36M140 146h-40'/%3E%3Ccircle cx='120' cy='64' r='5' fill='%237ab6a5'/%3E%3Ccircle cx='140' cy='146' r='5' fill='%237ab6a5'/%3E%3C/g%3E%3C/svg%3E");
    background-position: calc(100% + 45px) 65px;
    background-repeat: repeat-y;
    background-size: 510px auto;
    pointer-events: none;
}

.registration-container {
    position: relative;
    z-index: 2;
    width: min(1340px, calc(100% - 80px));
    margin: 0 auto;
}

.registration-flash:empty {
    display: none;
}

.registration-flash .alert {
    margin-bottom: 20px;
    border-radius: 8px;
}

.registration-panel {
    padding: 34px 38px 38px;
    border: 1px solid rgba(126, 157, 155, 0.34);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.78);
    box-shadow: 0 12px 32px rgba(48, 86, 82, 0.1);
    backdrop-filter: blur(9px);
}

.registration-heading {
    margin-bottom: 28px;
}

.registration-heading h1 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 7px;
    color: var(--login-ink);
    font-size: clamp(31px, 3vw, 43px);
    font-weight: 400;
    letter-spacing: -0.035em;
}

.registration-heading h1 i {
    color: var(--login-primary-dark);
    font-size: 0.88em;
}

.registration-heading p {
    margin: 0 0 0 52px;
    color: var(--text-muted);
    font-size: 13px;
}

.registration-panel #regForm {
    display: flex;
    flex-direction: column;
}

.registration-panel #regForm > .registration-account-block {
    order: -3;
}

.registration-panel #regForm > .registration-personal-block {
    order: -2;
}

.registration-panel .reg-section-title {
    position: relative;
    margin: 16px 0 0;
    padding: 11px 15px 11px 19px;
    color: var(--login-ink);
    border: 0;
    border-left: 4px solid var(--login-primary);
    border-radius: 3px 7px 7px 3px;
    background: linear-gradient(90deg, rgba(221, 224, 246, 0.74), rgba(245, 247, 252, 0.82));
    font-size: 19px;
    font-weight: 500;
}

.registration-panel .reg-section-title + .row {
    margin: 0 0 18px !important;
    padding: 20px 18px 22px;
    border: 1px solid rgba(164, 184, 180, 0.2);
    border-radius: 7px;
    background: rgba(249, 249, 235, 0.7);
}

.registration-panel .reg-section-title:nth-of-type(even) + .row {
    background: rgba(232, 245, 249, 0.72);
}

.registration-panel .reg-label {
    margin-bottom: 6px;
    color: #405159;
    font-size: 13px;
    font-weight: 600;
}

.registration-panel .reg-input,
.registration-panel .form-control,
.registration-panel .form-select {
    min-height: 42px;
    color: #26383f;
    border-color: #c9d5d4;
    border-radius: 5px;
    background-color: rgba(255, 255, 255, 0.94);
    font-size: 13px;
}

.registration-panel .reg-input:focus,
.registration-panel .form-control:focus,
.registration-panel .form-select:focus {
    border-color: var(--login-primary);
    box-shadow: 0 0 0 3px rgba(0, 108, 108, 0.12);
}

.registration-panel .role-card {
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.9);
}

.registration-panel .pdpa-box {
    margin: 14px 0 0;
    padding: 17px 19px;
    border: 1px solid #d6e2df;
    border-radius: 8px;
    background: rgba(244, 249, 247, 0.86);
}

.registration-panel .btn-primary {
    border-color: var(--login-primary);
    background: linear-gradient(135deg, var(--login-primary-dark), var(--login-primary));
    box-shadow: 0 5px 13px rgba(0, 78, 79, 0.2);
}

.registration-panel .btn-primary:hover,
.registration-panel .btn-primary:focus-visible {
    border-color: var(--login-primary);
    filter: brightness(1.08);
}

.registration-panel > .text-center:last-child a {
    color: var(--login-primary);
}

@media (min-width: 992px) {
    .registration-personal-grid > div:nth-child(1) {
        width: 20%;
    }

    .registration-personal-grid > div:nth-child(2) {
        width: 30%;
    }

    .registration-personal-grid > div:nth-child(3) {
        width: 20%;
    }

    .registration-personal-grid > div:nth-child(4) {
        width: 30%;
    }
}

@media (max-width: 900px) {
    .registration-container {
        width: calc(100% - 40px);
    }

    .registration-panel {
        padding: 28px 24px 32px;
    }
}

@media (max-width: 680px) {
    .registration-main {
        padding: 38px 0 64px;
    }

    .registration-container {
        width: calc(100% - 28px);
    }

    .registration-panel {
        padding: 24px 15px 28px;
        border-radius: 8px;
    }

    .registration-heading {
        margin-bottom: 22px;
    }

    .registration-heading h1 {
        gap: 9px;
        font-size: 30px;
    }

    .registration-heading p {
        margin-left: 0;
        font-size: 12px;
    }

    .registration-panel .reg-section-title {
        padding: 10px 12px 10px 14px;
        font-size: 17px;
    }

    .registration-panel .reg-section-title + .row {
        padding: 16px 10px 18px;
    }

    .registration-panel .role-card {
        padding: 24px 18px 20px;
    }
}