/*
 * USS Survey Theme - Main Stylesheet
 * 国际科学联合会调查问卷主样式
 * 基于USS官网视觉风格设计
 */

/* ========== CSS Variables ========== */
:root {
    --uss-primary: #1a56db;
    --uss-primary-dark: #1547b0;
    --uss-primary-light: #e8effc;
    --uss-secondary: #f97316;
    --uss-dark: #111827;
    --uss-gray-900: #1f2937;
    --uss-gray-700: #374151;
    --uss-gray-600: #4b5563;
    --uss-gray-500: #6b7280;
    --uss-gray-400: #9ca3af;
    --uss-gray-300: #d1d5db;
    --uss-gray-200: #e5e7eb;
    --uss-gray-100: #f3f4f6;
    --uss-gray-50: #f9fafb;
    --uss-white: #ffffff;
    --uss-success: #059669;
    --uss-success-light: #ecfdf5;
    --uss-danger: #dc2626;
    --uss-danger-light: #fef2f2;
    --uss-warning: #d97706;
    --uss-radius-sm: 4px;
    --uss-radius-md: 8px;
    --uss-radius-lg: 12px;
    --uss-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --uss-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --uss-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --uss-transition: all 0.2s ease;
}

/* ========== Reset & Base ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 0.875rem;
    line-height: 1.6;
    color: #333;
    background-color: var(--uss-gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 64px;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    color: var(--uss-dark);
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

a {
    color: var(--uss-primary);
    text-decoration: none;
    transition: var(--uss-transition);
}

a:hover {
    color: var(--uss-primary-dark);
    text-decoration: underline;
}

/* ========== Navigation Bar ========== */
#survey-nav {
    background: var(--uss-white);
    border-bottom: 1px solid var(--uss-gray-200);
    box-shadow: var(--uss-shadow-sm);
    padding: 0;
    height: 64px;
    display: flex;
    align-items: center;
    min-height: 64px;
}

#survey-nav .col-xl-8 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    min-height: 64px;
}

#survey-nav .logo-container {
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    align-self: center;
}

#survey-nav .logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    line-height: 1;
}

#survey-nav .logo-link:hover {
    text-decoration: none;
}

#survey-nav .logo {
    max-height: 40px;
    width: auto;
    max-width: 160px;
    display: block;
    margin: auto 0;
}

/* Site Title next to logo */
#survey-nav .site-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--uss-dark);
    white-space: nowrap;
    line-height: 1.2;
}

/* Language changer in navbar */
#navbar-menu {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    justify-content: flex-end !important;
    width: auto !important;
}

#navbar-menu > a.nav-link,
#navbar-menu a.nav-link {
    display: inline-flex !important;
    align-items: center !important;
    line-height: 1 !important;
    height: auto !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
}

#navbar-menu > .dropdown {
    display: inline-flex !important;
    align-items: center !important;
    flex-shrink: 0 !important;
}

#navbar-menu .dropdown-toggle {
    display: inline-flex !important;
    align-items: center !important;
}

.language-changer-inline {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-right: 12px;
    flex-shrink: 0;
}

.language-changer-inline a,
.language-changer-inline .btn {
    padding: 4px 10px;
    border-radius: var(--uss-radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--uss-gray-600);
    border: 1px solid var(--uss-gray-300);
    background: var(--uss-white);
    transition: var(--uss-transition);
    text-decoration: none;
    line-height: 1.4;
}

.language-changer-inline a:hover {
    background: var(--uss-gray-100);
    color: var(--uss-dark);
    text-decoration: none;
}

.language-changer-inline a.active,
.language-changer-inline .btn.active {
    background: var(--uss-primary);
    color: var(--uss-white);
    border-color: var(--uss-primary);
}

/* Hide language changer in content area */
.ls-js-hidden .language-changer {
    display: none !important;
}

/* Hide default language changer in navbar dropdown */
#main-dropdown .language-changer-top-menu {
    display: none !important;
}

#navbar-menu {
    align-self: center;
}

#navbar-toggler {
    background: none;
    border: 1px solid var(--uss-gray-300);
    border-radius: var(--uss-radius-md);
    padding: 0.5rem 0.75rem;
    color: var(--uss-gray-600);
    font-size: 1.25rem;
    transition: var(--uss-transition);
}

#navbar-toggler:hover {
    background: var(--uss-gray-100);
    color: var(--uss-dark);
}

.dropdown-menu {
    border: 1px solid var(--uss-gray-200);
    border-radius: var(--uss-radius-md);
    box-shadow: var(--uss-shadow-lg);
    padding: 0.5rem 0;
}

.dropdown-item {
    padding: 0.5rem 1rem;
    color: var(--uss-gray-700);
    transition: var(--uss-transition);
}

.dropdown-item:hover {
    background: var(--uss-primary-light);
    color: var(--uss-primary);
    text-decoration: none;
}

/* ========== Progress Bar ========== */
.topcontainer {
    background: var(--uss-white);
    padding: 1rem 0;
    margin-bottom: 0.5rem;
}

.ls-progress-container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.progress {
    height: 6px;
    background: var(--uss-gray-200);
    border-radius: 999px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--uss-primary), var(--uss-primary-dark));
    border-radius: 999px;
    transition: width 0.4s ease;
}

/* ========== Main Content Area ========== */
.outerframe {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

#outerframeContainer {
    padding-left: 20px !important;
    padding-right: 20px !important;
}

.outerframe .row {
    margin-left: 0;
    margin-right: 0;
}

.col-centered {
    float: none;
    margin-left: auto;
    margin-right: auto;
    padding: 0;
}

/* ========== Question Group ========== */
.group-container {
    margin-bottom: 2rem;
}

.group-name h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--uss-dark);
    margin-bottom: 0.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--uss-primary);
    display: inline-block;
}

.group-description {
    color: var(--uss-gray-500);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

/* ========== Question Card ========== */
.question-container {
    background: var(--uss-white);
    border-radius: var(--uss-radius-lg);
    box-shadow: var(--uss-shadow-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--uss-gray-200);
    transition: var(--uss-transition);
}

.question-container:hover {
    box-shadow: var(--uss-shadow-lg);
}

/* Question Header */
.question-text-container {
    margin-bottom: 1.25rem;
}

.question-code {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--uss-primary);
    background: var(--uss-primary-light);
    padding: 0.25rem 0.625rem;
    border-radius: var(--uss-radius-sm);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.question-text {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--uss-dark);
    line-height: 1.5;
}

.question-help-text {
    font-size: 0.875rem;
    color: var(--uss-gray-500);
    margin-top: 0.5rem;
    font-style: italic;
}

/* Required asterisk */
.asterisk {
    color: var(--uss-danger);
    font-weight: bold;
}

/* ========== Answer Area ========== */
.answer-container {
    margin-top: 1rem;
}

/* Radio and Checkbox answers */
.answer-item {
    display: flex;
    align-items: flex-start;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border: 1px solid var(--uss-gray-200);
    border-radius: var(--uss-radius-md);
    cursor: pointer;
    transition: var(--uss-transition);
}

.answer-item:hover {
    background: var(--uss-gray-50);
    border-color: var(--uss-primary);
}

.answer-item input[type="radio"],
.answer-item input[type="checkbox"] {
    margin-right: 0.75rem;
    margin-top: 0.25rem;
    accent-color: var(--uss-primary);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.answer-item label {
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--uss-gray-700);
    line-height: 1.5;
    margin-bottom: 0;
}

/* Override parent theme's checkbox-item custom rendering */
/* Show native browser checkbox instead of Remixicon pseudo-elements */
.checkbox-item input[type=checkbox] {
    position: static !important;
    opacity: 1 !important;
    width: 18px !important;
    height: 18px !important;
    margin: 0 !important;
    margin-right: 0.75rem !important;
    margin-top: 0.25rem !important;
    z-index: auto !important;
}

.checkbox-item label {
    padding-left: 0 !important;
    position: static !important;
}

.checkbox-item label::before,
.checkbox-item label::after {
    display: none !important;
}

/* Same for radio — match checkbox-item styling exactly */
.radio-item {
    position: static !important;
    padding-left: 0 !important;
}

.radio-item input[type=radio] {
    position: static !important;
    opacity: 1 !important;
    width: 18px !important;
    height: 18px !important;
    margin: 0 !important;
    margin-right: 0.75rem !important;
    margin-top: 0.25rem !important;
}

.radio-item label {
    padding-left: 0 !important;
    position: static !important;
}

.radio-item label::before,
.radio-item label::after {
    display: none !important;
}

/* Also for radio inside checkbox-item (othertext case) */
.checkbox-item input[type=radio] {
    position: static !important;
    opacity: 1 !important;
    width: 18px !important;
    height: 18px !important;
    margin: 0 !important;
    margin-right: 0.75rem !important;
    margin-top: 0.25rem !important;
}

/* Text input */
input[type="text"],
input[type="email"],
input[type="number"],
input[type="url"],
input[type="tel"],
textarea,
select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--uss-gray-300);
    border-radius: var(--uss-radius-md);
    font-size: 0.95rem;
    color: var(--uss-gray-900);
    background: var(--uss-white);
    transition: var(--uss-transition);
}

/* Fix input-group for file upload - prevent button overlap */
.input-group {
    display: flex !important;
    flex-wrap: nowrap !important;
    align-items: stretch !important;
    gap: 0 !important;
}
.input-group .form-control {
    width: 100% !important;
    flex: 1 1 auto !important;
    border-radius: var(--uss-radius-md) 0 0 var(--uss-radius-md) !important;
}
.input-group .btn,
.input-group .input-group-text {
    flex-shrink: 0 !important;
    white-space: nowrap !important;
}
.input-group .btn:last-child {
    border-radius: 0 var(--uss-radius-md) var(--uss-radius-md) 0 !important;
}
.input-group .btn:not(:last-child) {
    border-radius: 0 !important;
}

/* File upload question specific */
.ls-upload-area,
.upload-container {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.75rem !important;
}
.ls-upload-area .input-group {
    flex-wrap: nowrap !important;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="url"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--uss-primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
}

textarea {
    min-height: 100px;
    resize: vertical;
}

select {
    appearance: auto;
    -webkit-appearance: auto;
}

/* Validation messages */
.emtip {
    padding: 0.75rem 1rem;
    border-radius: var(--uss-radius-md);
    font-size: 0.875rem;
    margin-top: 0.75rem;
}

.emtip.error {
    background: var(--uss-danger-light);
    color: var(--uss-danger);
    border: 1px solid #fecaca;
}

.emtip.success {
    background: var(--uss-success-light);
    color: var(--uss-success);
    border: 1px solid #bbf7d0;
}

/* ========== Navigator Buttons ========== */
.navigator {
    flex-wrap: wrap;
    align-items: center;
    padding: 1.5rem 0;
    margin-top: 1rem;
}

/* Navigator buttons full width stacked */
.navigator .col-6.text-start,
.navigator .col-6.text-end,
.navigator .navigatorbuttonl,
.navigator .navigatorbuttonr {
    flex: 0 0 100% !important;
    max-width: 100% !important;
    width: 100% !important;
    text-align: center !important;
    padding: 0.25rem 0 !important;
}
.navigator .col-6.text-start .btn,
.navigator .col-6.text-end .btn,
.navigator .navigatorbuttonl .btn,
.navigator .navigatorbuttonr .btn {
    width: 100% !important;
}

/* .text-end left/right padding set to 0 */
.navigator .col-6.text-end {
    padding-left: 0 !important;
    padding-right: 0 !important;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--uss-radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--uss-transition);
    text-decoration: none;
    line-height: 1.5;
}

.btn:focus {
    outline: 2px solid var(--uss-primary);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--uss-primary);
    color: var(--uss-white);
    border-color: var(--uss-primary);
}

.btn-primary:hover {
    background: var(--uss-primary-dark);
    border-color: var(--uss-primary-dark);
    color: var(--uss-white);
    text-decoration: none;
}

.btn-primary:disabled {
    background: var(--uss-gray-400);
    border-color: var(--uss-gray-400);
    cursor: not-allowed;
    opacity: 0.65;
}

.btn-outline-secondary {
    background: var(--uss-white);
    color: var(--uss-gray-700);
    border-color: var(--uss-gray-300);
}

.btn-outline-secondary:hover {
    background: var(--uss-gray-100);
    color: var(--uss-dark);
    border-color: var(--uss-gray-400);
    text-decoration: none;
}

.btn-outline-secondary:disabled {
    background: var(--uss-gray-100);
    color: var(--uss-gray-400);
    cursor: not-allowed;
    opacity: 0.65;
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1rem;
}

/* ========== Welcome Page ========== */
.firstpage {
    background: var(--uss-white);
    border-radius: var(--uss-radius-lg);
    box-shadow: var(--uss-shadow-md);
    padding: 2.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--uss-gray-200);
}

.firstpage .survey-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--uss-dark);
    margin-bottom: 1rem;
}

.firstpage .survey-description {
    font-size: 1rem;
    color: var(--uss-gray-600);
    margin-bottom: 1.5rem;
}

.firstpage .survey-welcome {
    font-size: 1rem;
    color: var(--uss-gray-700);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

/* ========== Submit/Complete Page ========== */
.submit {
    background: var(--uss-white);
    border-radius: var(--uss-radius-lg);
    box-shadow: var(--uss-shadow-md);
    padding: 3rem 2rem;
    text-align: center;
    border: 1px solid var(--uss-gray-200);
}

.submit .completed-icon {
    font-size: 4rem;
    color: var(--uss-success);
    margin-bottom: 1rem;
}

.submit h2 {
    margin-bottom: 1rem;
}

/* ========== Error Page ========== */
.error-page {
    background: var(--uss-white);
    border-radius: var(--uss-radius-lg);
    box-shadow: var(--uss-shadow-md);
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--uss-gray-200);
}

.error-page .error-icon {
    font-size: 3rem;
    color: var(--uss-danger);
    margin-bottom: 1rem;
}

/* ========== Survey List ========== */
.survey-list-item {
    background: var(--uss-white);
    border-radius: var(--uss-radius-lg);
    box-shadow: var(--uss-shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1rem;
    border: 1px solid var(--uss-gray-200);
    transition: var(--uss-transition);
}

.survey-list-item:hover {
    box-shadow: var(--uss-shadow-md);
    border-color: var(--uss-primary);
}

.survey-list-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.survey-list-item p {
    color: var(--uss-gray-500);
    font-size: 0.9rem;
}

/* ========== Footer ========== */
.footer {
    background: var(--uss-gray-900);
    color: var(--uss-gray-400);
    padding: 1.5rem 0;
    margin-top: 3rem;
    font-size: 0.875rem;
    text-align: center;
}

.footer a {
    color: var(--uss-gray-300);
}

.footer a:hover {
    color: var(--uss-white);
}

/* ========== Privacy Info ========== */
.privacy-container {
    background: var(--uss-gray-50);
    border: 1px solid var(--uss-gray-200);
    border-radius: var(--uss-radius-md);
    padding: 1rem;
    margin: 1rem 0;
}

/* ========== Language Selector ========== */
.language-changer {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.language-changer a {
    padding: 0.25rem 0.75rem;
    border-radius: var(--uss-radius-sm);
    font-size: 0.875rem;
    color: var(--uss-gray-600);
    border: 1px solid var(--uss-gray-300);
    transition: var(--uss-transition);
}

.language-changer a.active {
    background: var(--uss-primary);
    color: var(--uss-white);
    border-color: var(--uss-primary);
}

.language-changer a:hover:not(.active) {
    background: var(--uss-gray-100);
    color: var(--uss-dark);
    text-decoration: none;
}

/* ========== Form Controls ========== */
.checkbox-item,
.radio-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

/* ========== Alerts ========== */
.alert {
    padding: 1rem;
    border-radius: var(--uss-radius-md);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-warning {
    background: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-info {
    background: var(--uss-primary-light);
    color: var(--uss-primary-dark);
    border: 1px solid #bfdbfe;
}

.alert-success {
    background: var(--uss-success-light);
    color: #065f46;
    border: 1px solid #a7f3d0;
}

/* ========== Table ========== */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

table th,
table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--uss-gray-200);
}

table th {
    background: var(--uss-gray-50);
    font-weight: 600;
    color: var(--uss-dark);
}

/* ========== Utility Classes ========== */
.text-primary { color: var(--uss-primary); }
.text-muted { color: var(--uss-gray-500); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* ========== Registration Page ========== */

/* Register form container */
.register-form {
    background: var(--uss-white);
    border-radius: var(--uss-radius-lg);
    box-shadow: var(--uss-shadow-md);
    padding: 30px 0;
    border: 1px solid var(--uss-gray-200);
}

/* --- Captcha area (关键修复) --- */

/* 解除 Bootstrap column 限制，让验证码区域占满整行 */
.captcha-container {
    flex: 0 0 100% !important;
    max-width: 100% !important;
    width: 100% !important;
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: flex-end !important;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

/* 验证码图片本身 */
.captcha-container .captcha-image,
.captcha-container img {
    width: 120px !important;
    max-width: 120px !important;
    height: auto !important;
    border-radius: var(--uss-radius-md);
    border: 1px solid var(--uss-gray-200);
    flex-shrink: 0;
}

/* 刷新按钮 */
.captcha-container #reloadCaptcha {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: var(--uss-radius-md);
    flex-shrink: 0;
    border: 1px solid var(--uss-gray-300);
    background: var(--uss-white);
    color: var(--uss-gray-600);
    font-size: 1rem;
    line-height: 1;
    margin: 0;
}

.captcha-container #reloadCaptcha:hover {
    background: var(--uss-gray-100);
    color: var(--uss-dark);
    border-color: var(--uss-gray-400);
}

/* 验证码输入框 - 占满剩余空间 */
.captcha-input {
    flex: 1 1 100% !important;
    max-width: 100% !important;
    width: 100% !important;
    margin-top: 0;
}

.captcha-input .form-control {
    width: 100% !important;
    max-width: 100% !important;
}

/* 确保 captcha row 不限制宽度 */
.registerformcaptchadiv.row {
    margin-left: 0;
    margin-right: 0;
}

/* Register form labels */
.register-form .control-label {
    font-weight: 500;
    color: var(--uss-gray-700);
    margin-bottom: 0.375rem;
}

/* Register form inputs */
.register-form .form-control {
    border: 1px solid var(--uss-gray-300);
    border-radius: var(--uss-radius-md);
    padding: 0.625rem 0.875rem;
    font-size: 0.95rem;
}

.register-form .form-control:focus {
    border-color: var(--uss-primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
}

/* Register mandatory info */
.register-mandatory-info {
    color: var(--uss-gray-500);
    font-size: 0.85rem;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
}

/* Register submit button - match input width */
.register-save,
.registersave {
    margin-top: 1rem;
    width: 100%;
}

.registersave .registersavediv,
.registersavediv {
    width: 100%;
}

/* Target the register button specifically - same width as form inputs */
.registersavedivbutton.btn-primary,
button#register_button.btn-primary,
.action--ls-button-submit {
    width: 100%;
    display: block;
    padding: 0.75rem 0.875rem;
    font-size: 0.95rem;
    font-weight: 500;
}

/* Register error */
.register-error {
    background: var(--uss-danger-light);
    color: var(--uss-danger);
    border: 1px solid #fecaca;
    border-radius: var(--uss-radius-md);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

/* Register success */
.register-success {
    background: var(--uss-success-light);
    color: var(--uss-success);
    border: 1px solid #bbf7d0;
    border-radius: var(--uss-radius-md);
    padding: 1.5rem;
    text-align: center;
}

/* USS Registration Success Card */
.uss-register-success-card {
    background: var(--uss-white);
    border: 1px solid var(--uss-gray-200);
    border-radius: var(--uss-radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: var(--uss-shadow-md);
    margin: 2rem 0;
}

.uss-success-icon {
    margin: 0 auto 1.5rem;
    animation: uss-pulse-in 0.6s ease-out;
}

@keyframes uss-pulse-in {
    0% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
}

.uss-success-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--uss-dark);
    margin: 0 0 0.75rem;
}

.uss-success-subtitle {
    font-size: 1.05rem;
    color: var(--uss-gray-600);
    margin: 0 0 1.25rem;
}

.uss-success-divider {
    width: 60px;
    height: 3px;
    background: var(--uss-primary);
    margin: 0 auto 1.25rem;
    border-radius: 2px;
}

.uss-success-note {
    font-size: 0.875rem;
    color: var(--uss-gray-500);
    margin: 0;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* Register head/title */
.register-head h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--uss-dark);
    margin-bottom: 0.5rem;
}

.register-message {
    color: var(--uss-gray-600);
    margin-bottom: 1.5rem;
}