/* Modal đăng ký tài khoản công dân (#signupModal) — Views/Shared/_PartialMember.cshtml
   Màu theo trang chủ (ttudkhcn/css/site.css): xanh #4768f3, chữ tiêu đề #001670 */
#signupModal {
    --su-primary: #4768f3;
    --su-navy: #001670;
    --su-primary-dark: #3451d1;
    --su-icon: #8a97c4;
    --su-text: #222;
    --su-muted: #666;
    --su-border: #d5dbef;
    --su-danger: #dc3545;
    --su-radius: 6px;
}

/* Rộng hơn để giảm chiều cao: các trường xếp 2–3 cột */
#signupModal .su-dialog { max-width: 900px; }

#signupModal .modal-content {
    border: 0;
    border-radius: 10px;
    box-shadow: 0 20px 50px rgba(0, 22, 112, .3);
}

/* Header: cùng màu thanh trên cùng của trang chủ */
#signupModal .su-header {
    align-items: center;
    gap: 16px;
    padding: 14px 22px;
    background: var(--su-primary);
    border-bottom: 0;
    border-radius: 10px 10px 0 0;
    color: #fff;
}
#signupModal .su-header-text { flex: 1 1 auto; min-width: 0; }
#signupModal .su-header .modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin: 0;
    display: flex;
    align-items: center;
    text-transform: uppercase;
}
#signupModal .su-subtitle {
    margin: 2px 0 0;
    font-size: 13px;
    color: rgba(255, 255, 255, .85);
}
#signupModal .su-header .close {
    color: #fff;
    opacity: .85;
    text-shadow: none;
    font-size: 1.7rem;
    margin: 0;
    padding: 0 0 0 4px;
}
#signupModal .su-header .close:hover { opacity: 1; }
#signupModal .su-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    margin-right: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .2);
    font-size: 14px;
    cursor: pointer;
    transition: background .15s;
}
#signupModal .su-back:hover { background: rgba(255, 255, 255, .35); }

/* Bước (nằm trong header) */
#signupModal .su-steps {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 6px;
}
#signupModal .su-steps li {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px 4px 4px;
    border-radius: 20px;
    font-size: 12.5px;
    font-weight: 600;
    color: rgba(255, 255, 255, .75);
    background: rgba(255, 255, 255, .12);
}
#signupModal .su-steps li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .25);
    color: #fff;
    font-size: 11px;
}
#signupModal .su-steps li.active { color: var(--su-navy); background: #fff; }
#signupModal .su-steps li.active span { background: var(--su-primary); color: #fff; }
#signupModal .su-steps li.done span { background: #fff; color: var(--su-primary); font-size: 9px; }

#signupModal .modal-body { padding: 14px 22px 18px; color: var(--su-text); }

/* Nhóm trường */
#signupModal .su-section + .su-section {
    margin-top: 2px;
    padding-top: 10px;
    border-top: 1px dashed #e3e7f3;
}
#signupModal .su-section-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--su-navy);
    margin-bottom: 6px;
}
#signupModal .su-section-title i { margin-right: 6px; color: var(--su-primary); }

#signupModal .su-field { margin-bottom: 10px; }
#signupModal .su-field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
}
#signupModal .su-req { color: var(--su-danger); }

/* Ô nhập có icon */
#signupModal .su-input { position: relative; }
#signupModal .su-input > i {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    color: var(--su-icon);
    z-index: 2;
    pointer-events: none;
}
#signupModal .su-input > i[data-toggle="datetimepicker"] { pointer-events: auto; cursor: pointer; }
#signupModal .su-input > i.su-toggle {
    left: auto;
    right: 13px;
    color: #9aa3b2;
    pointer-events: auto;
    cursor: pointer;
}
#signupModal .su-input > i.su-toggle:hover,
#signupModal .su-input:focus-within > i:first-child { color: var(--su-primary); }

#signupModal .su-input .form-control {
    height: 40px;
    margin: 0;
    padding: 0 12px 0 38px;
    font-size: 14px;
    color: var(--su-text);
    background-color: #fff;
    border: 1px solid var(--su-border);
    border-radius: var(--su-radius);
    box-shadow: none;
    transition: border-color .15s, box-shadow .15s;
}
#signupModal .su-input .form-control::placeholder { color: #a3aabb; }
#signupModal .su-input .form-control:focus {
    border-color: var(--su-primary);
    box-shadow: 0 0 0 3px rgba(71, 104, 243, .15);
}
#signupModal .su-input .form-control[type="password"],
#signupModal .su-input .su-toggle ~ .form-control { padding-right: 38px; }
#signupModal .su-input select.form-control { cursor: pointer; }

/* Select2 trong modal */
#signupModal .su-select2 .select2-container { width: 100% !important; }
#signupModal .su-select2 .select2-container--default .select2-selection--single {
    height: 40px;
    border: 1px solid var(--su-border);
    border-radius: var(--su-radius);
    outline: 0;
}
#signupModal .su-select2 .select2-container--default .select2-selection--single .select2-selection__rendered {
    line-height: 38px;
    padding-left: 38px;
    padding-right: 30px;
    color: var(--su-text);
    font-size: 14px;
}
#signupModal .su-select2 .select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 38px;
    right: 6px;
}
#signupModal .su-select2 .select2-container--open .select2-selection--single,
#signupModal .su-select2 .select2-container--focus .select2-selection--single {
    border-color: var(--su-primary);
    box-shadow: 0 0 0 3px rgba(71, 104, 243, .15);
}
#signupModal .select2-dropdown {
    border-color: var(--su-border);
    border-radius: var(--su-radius);
    overflow: hidden;
    font-size: 14px;
}
#signupModal .select2-search--dropdown .select2-search__field {
    border-radius: 4px;
    border-color: var(--su-border);
    padding: 5px 10px;
}
#signupModal .select2-container--default .select2-results__option--highlighted[aria-selected],
#signupModal .select2-container--default .select2-results__option--highlighted.select2-results__option--selectable {
    background-color: var(--su-primary);
}

/* Chân form: điều khoản bên trái, nút bên phải */
#signupModal .su-footer {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 4px;
    padding-top: 12px;
    border-top: 1px solid #e3e7f3;
}
#signupModal .su-accept {
    flex: 1 1 auto;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin: 0;
    font-size: 13px;
    line-height: 1.45;
    color: #444;
    cursor: pointer;
}
#signupModal .su-accept input {
    flex: 0 0 auto;
    width: 16px;
    height: 16px;
    margin-top: 1px;
    accent-color: var(--su-primary);
    cursor: pointer;
}
#signupModal .su-accept a,
#signupModal .su-switch a { color: var(--su-primary); font-weight: 600; }
#signupModal .su-actions { flex: 0 0 240px; text-align: center; }

/* Nút chính: xanh trang chủ */
#signupModal .su-btn {
    display: block;
    width: 100%;
    height: 42px;
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    color: #fff;
    background: var(--su-primary);
    border: 0;
    border-radius: var(--su-radius);
    box-shadow: 0 2px 8px rgba(71, 104, 243, .3);
    transition: background .2s, opacity .2s;
}
#signupModal .su-btn:hover:not(:disabled) { background: var(--su-primary-dark); color: #fff; }
#signupModal .su-btn:disabled { opacity: .45; box-shadow: none; cursor: not-allowed; }
/* Đang gửi yêu cầu: vẫn rõ màu (khác trạng thái disabled do chưa nhập đủ) */
#signupModal .su-btn.su-busy:disabled { opacity: .85; cursor: wait; }
#signupModal .su-switch a.disabled { color: var(--su-muted); font-weight: 400; pointer-events: none; }
#signupModal a.su-btn { line-height: 42px; padding: 0; text-decoration: none; }

#signupModal .su-switch {
    margin: 6px 0 0;
    font-size: 13px;
    color: var(--su-muted);
}

#signupModal .err .alert {
    margin: 4px 0 8px;
    padding: 8px 12px;
    font-size: 13.5px;
    border-radius: var(--su-radius);
}

/* Bước OTP / thành công: khối hẹp ở giữa */
#signupModal .su-narrow { max-width: 380px; margin: 8px auto; }
#signupModal .su-otp-icon,
#signupModal .su-success-icon {
    width: 60px;
    height: 60px;
    margin: 4px auto 10px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--su-primary);
    background: #eef1fe;
}
#signupModal .su-otp-text {
    text-align: center;
    font-size: 14px;
    color: #444;
    margin-bottom: 14px;
}
#signupModal .su-otp-text strong { color: var(--su-navy); }
#signupModal .su-otp-input {
    text-align: center;
    letter-spacing: .4em;
    font-size: 18px !important;
    font-weight: 600;
}
#signupModal .su-success { text-align: center; }
#signupModal .su-success-icon { color: #16a34a; background: #e8f7ee; }
#signupModal .su-success p { font-size: 15px; color: #333; margin-bottom: 16px; }

/* Bộ chọn ngày (tempusdominus) nằm trên các trường bên dưới */
#signupModal .bootstrap-datetimepicker-widget { z-index: 1060; }

@media (max-width: 767.98px) {
    #signupModal .su-steps { display: none !important; } /* !important: site.js gọi .show() lên class SignUpForm/OtpRegForm */
    #signupModal .su-footer { flex-direction: column; align-items: stretch; }
    #signupModal .su-actions { flex-basis: auto; }
}
@media (max-width: 575.98px) {
    #signupModal .su-dialog { margin: .5rem; }
    #signupModal .su-header { padding: 12px 14px; }
    #signupModal .modal-body { padding: 12px 14px 16px; }
}