/* =============================================================================
   ruts-login.css — สไตล์หน้า Login กลาง (ruts-apps)
   =============================================================================
   ★ ต่างจาก ruts-staff: เปลี่ยนสีเป็นม่วง gradient ★
   ใช้สำหรับ: ระบบอื่นๆ ของมหาวิทยาลัย (OIDC)
   ============================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Sarabun:wght@300;400;500;600;700&display=swap');

:root {
    /* ★ สีหลัก (น้ำเงิน) — เหมือนสีของ Portal ★ */
    --ruts-primary-dark: #07152e;
    --ruts-primary: #0a1c3b;
    --ruts-primary-light: #163261;
    --ruts-accent: #ffcc00;
    --ruts-gradient: linear-gradient(135deg, #07152e 0%, #0a1c3b 100%);

    --ruts-bg: #f8f0fa;
    --ruts-white: #ffffff;
    --ruts-text: #1a1a2e;
    --ruts-text-light: #6b7280;
    --ruts-text-muted: #9ca3af;
    --ruts-error: #ef4444;
    --ruts-success: #22c55e;
    --ruts-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --ruts-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.12);
    --ruts-radius: 16px;
    --ruts-radius-sm: 10px;
    --ruts-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --ruts-font-thai: 'Sarabun', sans-serif;
    --ruts-font-en: 'Inter', sans-serif;
}

/* --- ส่วนที่เหลือเหมือน ruts-staff ทุกประการ (เปลี่ยนแค่สี) --- */
#kc-header-wrapper, #kc-header, #kc-locale { display: none !important; }
/* Reset .card-pf — ลบ border/shadow เดิมแต่ยังแสดง content */
.login-pf-page .card-pf { border: none !important; box-shadow: none !important; background: transparent !important; padding: 0 !important; margin: 0 !important; max-width: 100% !important; width: 100% !important; }
.login-pf-page .card-pf .login-pf-header { display: none !important; }
body, html { margin: 0; padding: 0; background: var(--ruts-bg) !important; font-family: var(--ruts-font-thai); min-height: 100vh; }
.login-pf-page, #kc-content-wrapper, #kc-content, #kc-form-wrapper, .container-fluid { padding: 0 !important; margin: 0 !important; max-width: 100% !important; }

.ruts-login-container { display: flex; flex-direction: row-reverse; height: 100vh; overflow: hidden; animation: rutsSlideIn 0.6s ease-out; }
.ruts-login-container.ruts-layout-form-left { flex-direction: row-reverse !important; }
.ruts-login-container.ruts-layout-form-right { flex-direction: row !important; }
@keyframes rutsSlideIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.ruts-news-panel { width: 55%; background: var(--ruts-gradient); display: flex; flex-direction: column; position: relative; overflow: hidden; }
.ruts-header-bar { padding: 16px 24px; display: flex; align-items: center; background: rgba(0, 0, 0, 0.15); }
.ruts-header-logo { display: flex; align-items: center; gap: 10px; color: rgba(255, 255, 255, 0.9); font-size: 14px; font-weight: 500; }
.ruts-header-icon { font-size: 20px; }
.ruts-banner { padding: 24px 32px; color: white; text-align: center; }
.ruts-banner h2 { font-family: var(--ruts-font-thai); font-size: 22px; font-weight: 700; margin: 0 0 4px 0; text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2); }
.ruts-banner p { font-family: var(--ruts-font-en); font-size: 13px; margin: 0; opacity: 0.85; }

.ruts-news-carousel { flex: 1; position: relative; margin: 0 24px; border-radius: var(--ruts-radius); overflow: hidden; min-height: 300px; }
.ruts-news-slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; transition: opacity 0.8s ease-in-out; cursor: pointer; pointer-events: none; }
.ruts-news-slide.active { opacity: 1; pointer-events: auto; }
.ruts-news-slide img { width: 100%; height: 100%; object-fit: contain; border-radius: var(--ruts-radius); }
.ruts-news-badge { position: absolute; top: 16px; left: 16px; background: var(--ruts-error); color: white; padding: 6px 16px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.ruts-news-title { position: absolute; bottom: 0; left: 0; right: 0; padding: 24px 16px 16px; background: linear-gradient(transparent, rgba(0, 0, 0, 0.75)); color: white; font-size: 15px; font-weight: 600; line-height: 1.5; border-radius: 0 0 var(--ruts-radius) var(--ruts-radius); }
.ruts-news-loading { display: flex; align-items: center; justify-content: center; height: 100%; color: rgba(255, 255, 255, 0.7); font-size: 14px; }
.ruts-news-dots { display: flex; justify-content: center; gap: 8px; padding: 16px; }
.ruts-news-dots .dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, 0.4); cursor: pointer; transition: var(--ruts-transition); }
.ruts-news-dots .dot:hover { background: rgba(255, 255, 255, 0.7); }
.ruts-news-dots .dot.active { background: white; transform: scale(1.2); }

.ruts-login-panel { width: 45%; background: var(--ruts-white); display: flex; align-items: center; justify-content: center; padding: 24px; overflow-y: auto; }
.ruts-login-form-wrapper { width: 100%; max-width: 380px; margin: auto; }
.ruts-logo-section { text-align: center; margin-bottom: 16px; }
.ruts-logo { margin-bottom: 8px; }
.ruts-logo-icon { font-size: 40px; display: none; }
.ruts-main-logo { height: 70px; object-fit: contain; }
@keyframes rutsBounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
.ruts-title { font-family: var(--ruts-font-en); font-size: 22px; font-weight: 700; color: var(--ruts-text); margin: 0 0 8px 0; }

/* ★ Badge สีม่วง ★ */
.ruts-badge { display: inline-flex; align-items: center; gap: 6px; background: #faf0ff; color: var(--ruts-primary); padding: 6px 14px; border-radius: 20px; font-size: 12px; font-weight: 600; border: 1px solid #e9d5ff; }
.ruts-badge-icon { font-size: 14px; }

.ruts-system-info { text-align: center; margin-bottom: 16px; }
.ruts-domain { font-size: 16px; font-weight: 600; color: var(--ruts-primary); margin: 0 0 4px 0; }
.ruts-subtitle { font-size: 13px; color: var(--ruts-text-light); margin: 0; }
.ruts-error-message { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: #fef2f2; border: 1px solid #fee2e2; border-radius: var(--ruts-radius-sm); margin-bottom: 20px; color: var(--ruts-error); font-size: 13px; animation: rutsShake 0.4s ease-in-out; }
.ruts-error-icon { font-size: 16px; flex-shrink: 0; }
@keyframes rutsShake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }
.ruts-input-group { margin-bottom: 14px; }
.ruts-label { display: block; font-size: 13px; font-weight: 600; color: var(--ruts-text); margin-bottom: 6px; }
.ruts-input-wrapper { position: relative; display: flex; align-items: center; }
.ruts-input-icon { position: absolute; left: 14px; font-size: 16px; z-index: 1; }
.ruts-input { width: 100%; padding: 12px 14px 12px 42px; border: 2px solid #e5e7eb; border-radius: var(--ruts-radius-sm); font-family: var(--ruts-font-thai); font-size: 14px; color: var(--ruts-text); background: var(--ruts-white); transition: var(--ruts-transition); box-sizing: border-box; }
.ruts-input:focus { outline: none; border-color: var(--ruts-primary); box-shadow: 0 0 0 3px rgba(123, 31, 162, 0.15); }
.ruts-input-error { border-color: var(--ruts-error) !important; box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15) !important; }
.ruts-input.ruts-input-has-toggle { padding-right: 44px; }
.ruts-pwd-toggle { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); background: transparent; border: none; padding: 6px; cursor: pointer; color: #94a3b8; display: flex; align-items: center; justify-content: center; border-radius: 8px; transition: all 0.2s ease; z-index: 3; }
.ruts-pwd-toggle:hover { color: var(--ruts-primary, #7b1fa2); background: rgba(0, 0, 0, 0.05); }
.ruts-pwd-toggle:focus { outline: none; }
.ruts-eye-svg { display: block; }
[data-theme="dark"] .ruts-pwd-toggle { color: #94a3b8; }
[data-theme="dark"] .ruts-pwd-toggle:hover { color: #f8fafc; background: rgba(255, 255, 255, 0.1); }
.ruts-submit-group { margin-top: 20px; }
.ruts-login-btn { width: 100%; padding: 14px; background: var(--ruts-gradient); color: white; border: none; border-radius: var(--ruts-radius-sm); font-family: var(--ruts-font-thai); font-size: 16px; font-weight: 600; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px; transition: var(--ruts-transition); }
.ruts-login-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(123, 31, 162, 0.35); }
.ruts-login-btn:active { transform: translateY(0); }
.ruts-btn-icon { font-size: 18px; transition: transform 0.3s ease; }
.ruts-login-btn:hover .ruts-btn-icon { transform: translateX(4px); }
.ruts-footer-info { margin-top: 24px; padding-top: 16px; border-top: 1px solid #f3f4f6; text-align: center; }
.ruts-footer-info p { margin: 2px 0; font-size: 11px; color: var(--ruts-text-muted); }

@media (max-width: 768px) { .ruts-login-container { flex-direction: column; } .ruts-news-panel { display: none; } .ruts-login-panel { width: 100%; min-height: 100vh; padding: 24px; background: linear-gradient(180deg, #f8f0fa 0%, #ffffff 30%); } .ruts-login-form-wrapper { max-width: 100%; } }

/* =============================================================================
   ★ 2FA / OTP Styles ★
   ============================================================================= */
.ruts-otp-container { text-align: center; padding: 16px 0; }
.ruts-otp-icon-wrapper { width: 64px; height: 64px; background: #f3e8ff; color: #a855f7; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-size: 28px; box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
.ruts-otp-title { font-size: 20px; font-weight: 700; color: var(--ruts-text); margin: 0 0 8px 0; }
.ruts-otp-subtitle { font-size: 14px; color: var(--ruts-text-light); margin: 0 0 24px 0; line-height: 1.5; }

/* 6-box OTP Input */
.ruts-otp-inputs-group { margin-bottom: 24px; }
.ruts-otp-inputs { display: flex; gap: 10px; justify-content: center; }
.ruts-otp-digit { width: 48px; height: 56px; border: 2px solid #e5e7eb; border-radius: var(--ruts-radius-sm); font-size: 24px; font-weight: 600; text-align: center; color: var(--ruts-text); transition: var(--ruts-transition); background: var(--ruts-white); }
.ruts-otp-digit:focus { outline: none; border-color: var(--ruts-primary); box-shadow: 0 0 0 3px rgba(123, 31, 162, 0.15); transform: translateY(-2px); }

/* Authenticator Chooser (select-authenticator.ftl) */
.ruts-auth-chooser { display: flex; gap: 16px; justify-content: center; margin-bottom: 24px; }
.ruts-auth-choice-btn { flex: 1; display: flex; flex-direction: column; align-items: center; padding: 20px 12px; background: var(--ruts-white); border: 2px solid #e5e7eb; border-radius: var(--ruts-radius-sm); cursor: pointer; transition: var(--ruts-transition); color: var(--ruts-text); }
.ruts-auth-choice-btn:hover { border-color: var(--ruts-primary); background: #faf0ff; transform: translateY(-2px); }
.ruts-auth-choice-icon { font-size: 28px; margin-bottom: 8px; }
.ruts-auth-choice-text { font-size: 14px; font-weight: 600; }
@media (min-width: 769px) and (max-width: 1024px) { .ruts-news-panel { width: 45%; } .ruts-login-panel { width: 55%; } }

/* =============================================================================
   ★ Light Theme MFA Styles (ruts-mfa-body) ★
   ============================================================================= */
.ruts-mfa-body {
    background-color: var(--ruts-bg) !important;
    color: var(--ruts-text);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    font-family: var(--ruts-font-thai);
}

.ruts-mfa-page-container {
    width: 100%;
    max-width: 440px;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: rutsSlideIn 0.6s ease-out;
}

.ruts-mfa-box {
    width: 100%;
    background-color: var(--ruts-white);
    border-radius: var(--ruts-radius);
    overflow: hidden;
    box-shadow: var(--ruts-shadow);
    border: 1px solid rgba(0,0,0,0.05);
}

.ruts-mfa-header {
    background: var(--ruts-gradient);
    padding: 30px 20px;
    text-align: center;
    color: white;
}

.ruts-mfa-shield-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ruts-mfa-shield-icon svg {
    width: 24px;
    height: 24px;
}

.ruts-mfa-header h2 {
    margin: 0 0 8px 0;
    font-size: 22px;
    font-weight: 700;
    font-family: var(--ruts-font-thai);
}

.ruts-mfa-header p {
    margin: 0;
    font-size: 13px;
    font-family: var(--ruts-font-en);
    opacity: 0.85;
}

.ruts-mfa-content {
    padding: 30px;
}

.ruts-mfa-user-info {
    text-align: center;
    margin-bottom: 24px;
}

.ruts-mfa-user-label {
    display: block;
    color: var(--ruts-text-light);
    font-size: 13px;
    margin-bottom: 4px;
}

.ruts-mfa-username {
    display: block;
    color: var(--ruts-primary);
    font-size: 15px;
    font-weight: 600;
    font-family: var(--ruts-font-en);
}

/* Tabs */
.ruts-mfa-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.ruts-mfa-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    border-radius: var(--ruts-radius-sm);
    border: 1px solid #e5e7eb;
    background: var(--ruts-white);
    color: var(--ruts-text-light);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: var(--ruts-transition);
}

.ruts-mfa-tab:hover {
    background: #f9fafb;
    color: var(--ruts-text);
    border-color: #d1d5db;
}

.ruts-mfa-tab.active {
    border-color: var(--ruts-primary);
    color: var(--ruts-primary);
    background: #faf0ff;
}

/* Action Box */
.ruts-mfa-action-box {
    background-color: #faf0ff;
    border: 1px solid #e9d5ff;
    border-radius: var(--ruts-radius-sm);
    padding: 16px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.ruts-mfa-action-icon {
    font-size: 24px;
    color: var(--ruts-primary);
}

.ruts-mfa-action-text {
    flex: 1;
}

.ruts-mfa-action-title {
    color: var(--ruts-primary);
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 4px 0;
}

.ruts-mfa-action-desc {
    color: var(--ruts-text-light);
    font-size: 12px;
    margin: 0;
}

/* Auth Chooser Links (Select Authenticator) */
.ruts-mfa-chooser-link {
    display: block;
    color: var(--ruts-primary);
    text-align: center;
    font-size: 13px;
    text-decoration: underline;
    margin-bottom: 16px;
    cursor: pointer;
    font-weight: 500;
}
.ruts-mfa-chooser-link:hover { color: var(--ruts-primary-light); }

/* OTP Inputs */
.ruts-mfa-otp-title {
    text-align: center;
    color: var(--ruts-text);
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 16px 0;
}

.ruts-mfa-otp-inputs {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 24px;
}

.ruts-mfa-otp-digit {
    width: 48px;
    height: 56px;
    background: var(--ruts-white);
    border: 2px solid #e5e7eb;
    border-radius: var(--ruts-radius-sm);
    color: var(--ruts-text);
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    transition: var(--ruts-transition);
}

.ruts-mfa-otp-digit:focus {
    outline: none;
    border-color: var(--ruts-primary);
    box-shadow: 0 0 0 3px rgba(123, 31, 162, 0.15);
    transform: translateY(-2px);
}

.ruts-mfa-otp-subtitle {
    text-align: center;
    color: var(--ruts-text-muted);
    font-size: 12px;
    margin-bottom: 24px;
}

/* Primary Button */
.ruts-mfa-btn {
    width: 100%;
    background: var(--ruts-gradient);
    color: white;
    border: none;
    border-radius: var(--ruts-radius-sm);
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--ruts-transition);
    font-family: var(--ruts-font-thai);
}

.ruts-mfa-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(123, 31, 162, 0.35);
}

/* Footer */
.ruts-mfa-footer {
    margin-top: 30px;
    text-align: center;
    color: var(--ruts-text-muted);
    font-size: 12px;
    line-height: 1.6;
}

.ruts-mfa-footer p { margin: 4px 0; }

/* Responsive tweaks for mobile MFA & OTP */
@media screen and (max-width: 480px) {
    .ruts-mfa-body { padding: 12px 10px; }
    .ruts-mfa-content { padding: 22px 16px; }
    .ruts-mfa-tabs { gap: 6px; margin-bottom: 20px; }
    .ruts-mfa-tab { padding: 10px 6px; font-size: 12.5px; gap: 4px; white-space: nowrap; }
    .ruts-mfa-tab-icon { font-size: 14px; }
    .ruts-mfa-otp-inputs { gap: 6px; }
    .ruts-mfa-otp-digit { width: 38px; height: 48px; font-size: 20px; }
    .ruts-mfa-action-box { padding: 12px; gap: 10px; }
    .ruts-mfa-action-icon { font-size: 20px; }
    .ruts-mfa-btn { padding: 12px; font-size: 15px; }
}
@media screen and (max-width: 360px) {
    .ruts-mfa-body { padding: 8px 6px; }
    .ruts-mfa-content { padding: 18px 12px; }
    .ruts-mfa-tabs { gap: 4px; }
    .ruts-mfa-tab { padding: 8px 4px; font-size: 11px; gap: 2px; }
    .ruts-mfa-otp-inputs { gap: 4px; }
    .ruts-mfa-otp-digit { width: 32px; height: 42px; font-size: 18px; }
}

/* MFA Help & Fallback Box */
.ruts-mfa-help-box {
    margin-top: 24px;
    padding: 16px 18px;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: var(--ruts-radius-sm, 12px);
    text-align: center;
    transition: all 0.3s ease;
}

.ruts-mfa-help-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 6px;
}

.ruts-mfa-help-icon {
    font-size: 16px;
}

.ruts-mfa-help-title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--ruts-text, #1e293b);
    font-family: var(--ruts-font-thai);
}

.ruts-mfa-help-desc {
    font-size: 12px;
    color: var(--ruts-text-light, #64748b);
    margin: 0 0 12px 0;
    line-height: 1.5;
    font-family: var(--ruts-font-thai);
}

.ruts-mfa-fallback-btn {
    width: 100%;
    padding: 10px 16px;
    font-size: 13.5px;
    font-weight: 600;
    font-family: var(--ruts-font-thai);
    color: #2563eb;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.ruts-mfa-fallback-btn:hover {
    background: #dbeafe;
    border-color: #93c5fd;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.ruts-mfa-help-tip {
    font-size: 11px;
    color: var(--ruts-text-muted, #94a3b8);
    margin: 10px 0 0 0;
    line-height: 1.4;
    font-family: var(--ruts-font-thai);
}

/* =============================================================================
   ★ Dark Mode Support ★
   ============================================================================= */

/* Dark Mode Toggle Button */
.ruts-theme-toggle {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 9999;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.ruts-theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}

/* Dark mode variables */
[data-theme="dark"] {
    --ruts-bg: #0f172a;
    --ruts-white: #1e293b;
    --ruts-text: #e2e8f0;
    --ruts-text-light: #94a3b8;
    --ruts-text-muted: #64748b;
    --ruts-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --ruts-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .ruts-theme-toggle {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(148, 163, 184, 0.3);
}

/* Login Page Dark Mode */
[data-theme="dark"] body,
[data-theme="dark"] html {
    background: var(--ruts-bg) !important;
}

[data-theme="dark"] .ruts-login-panel {
    background: var(--ruts-white);
}

[data-theme="dark"] .ruts-title {
    color: var(--ruts-text);
}

[data-theme="dark"] .ruts-badge {
    background: rgba(255, 204, 0, 0.1);
    border-color: rgba(255, 204, 0, 0.3);
    color: #fbbf24;
}

[data-theme="dark"] .ruts-domain {
    color: #93c5fd;
}

[data-theme="dark"] .ruts-subtitle {
    color: var(--ruts-text-light);
}

[data-theme="dark"] .ruts-label {
    color: var(--ruts-text);
}

[data-theme="dark"] .ruts-input {
    background: #0f172a;
    border-color: #334155;
    color: var(--ruts-text);
}

[data-theme="dark"] .ruts-input:focus {
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

[data-theme="dark"] .ruts-input::placeholder {
    color: #475569;
}

[data-theme="dark"] .ruts-error-message {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
}

[data-theme="dark"] .ruts-footer-info {
    border-top-color: #334155;
}

[data-theme="dark"] .ruts-footer-info p {
    color: var(--ruts-text-muted);
}

/* MFA Pages Dark Mode */
[data-theme="dark"] .ruts-mfa-body {
    background-color: var(--ruts-bg) !important;
}

[data-theme="dark"] .ruts-mfa-box {
    background-color: var(--ruts-white);
    border-color: #334155;
}

[data-theme="dark"] .ruts-mfa-tab {
    background: var(--ruts-white);
    border-color: #334155;
    color: var(--ruts-text-light);
}

[data-theme="dark"] .ruts-mfa-tab:hover {
    background: #334155;
    color: var(--ruts-text);
    border-color: #475569;
}

[data-theme="dark"] .ruts-mfa-tab.active {
    border-color: #60a5fa;
    color: #60a5fa;
    background: rgba(96, 165, 250, 0.1);
}

[data-theme="dark"] .ruts-mfa-action-box {
    background-color: rgba(96, 165, 250, 0.08);
    border-color: rgba(96, 165, 250, 0.2);
}

[data-theme="dark"] .ruts-mfa-action-title {
    color: #93c5fd;
}

[data-theme="dark"] .ruts-mfa-otp-digit {
    background: #0f172a;
    border-color: #334155;
    color: var(--ruts-text);
}

[data-theme="dark"] .ruts-mfa-otp-digit:focus {
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

[data-theme="dark"] .ruts-mfa-username {
    color: #93c5fd;
}

/* OTP / 2FA Dark Mode */
[data-theme="dark"] .ruts-otp-digit {
    background: #0f172a;
    border-color: #334155;
    color: var(--ruts-text);
}

[data-theme="dark"] .ruts-otp-digit:focus {
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

[data-theme="dark"] .ruts-otp-icon-wrapper {
    background: rgba(96, 165, 250, 0.1);
    color: #60a5fa;
}

[data-theme="dark"] .ruts-auth-choice-btn {
    background: var(--ruts-white);
    border-color: #334155;
    color: var(--ruts-text);
}

[data-theme="dark"] .ruts-auth-choice-btn:hover {
    border-color: #60a5fa;
    background: rgba(96, 165, 250, 0.08);
}

[data-theme="dark"] .ruts-mfa-chooser-link {
    color: #60a5fa;
}

[data-theme="dark"] .ruts-mfa-help-box {
    background: rgba(15, 23, 42, 0.6) !important;
    border-color: #334155 !important;
}

[data-theme="dark"] .ruts-mfa-help-title {
    color: #93c5fd !important;
}

[data-theme="dark"] .ruts-mfa-help-desc {
    color: #94a3b8 !important;
}

[data-theme="dark"] .ruts-mfa-fallback-btn {
    background: rgba(37, 99, 235, 0.15) !important;
    color: #93c5fd !important;
    border-color: rgba(96, 165, 250, 0.3) !important;
}

[data-theme="dark"] .ruts-mfa-fallback-btn:hover {
    background: rgba(37, 99, 235, 0.25) !important;
    border-color: #60a5fa !important;
}

[data-theme="dark"] .ruts-mfa-help-tip {
    color: #64748b !important;
}

/* Mobile responsive - Login panel dark bg */
@media (max-width: 768px) {
    [data-theme="dark"] .ruts-login-panel {
        background: linear-gradient(180deg, #0f172a 0%, #1e293b 30%);
    }
}

/* Standalone Pages (Expired, Reset, Update Password, Verify Email, Error) */
.ruts-standalone-card {
    font-family: 'Noto Sans Thai', 'Inter', sans-serif;
    max-width: 480px;
    width: 100%;
    margin: 20px auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    padding: 40px 30px;
    box-sizing: border-box;
    text-align: center;
}

@media (max-width: 480px) {
    .ruts-standalone-card {
        padding: 24px 16px !important;
        margin: 12px auto !important;
        border-radius: 16px !important;
    }
}

[data-theme="dark"] .ruts-standalone-card {
    background: #1e293b !important;
    color: #e2e8f0 !important;
    border: 1px solid #334155 !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .ruts-standalone-card h1 {
    color: #f8fafc !important;
}

[data-theme="dark"] .ruts-standalone-card p {
    color: #94a3b8 !important;
}

/* Portal Shortcut Link in MFA pages */
.ruts-mfa-portal-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 10px 14px;
    background: rgba(37, 99, 235, 0.08);
    border: 1px dashed rgba(37, 99, 235, 0.3);
    border-radius: 12px;
    color: var(--ruts-primary, #2563eb);
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.ruts-mfa-portal-link:hover {
    background: rgba(37, 99, 235, 0.15);
    transform: translateY(-1px);
}

[data-theme="dark"] .ruts-mfa-portal-link {
    background: rgba(96, 165, 250, 0.1);
    border-color: rgba(96, 165, 250, 0.3);
    color: #93c5fd;
}

[data-theme="dark"] .ruts-mfa-portal-link:hover {
    background: rgba(96, 165, 250, 0.2);
}

/* =============================================================================
   ★ Password Reminder Box (Non-intrusive Login & MFA) ★
   ============================================================================= */
.ruts-pwd-reminder-box {
    margin: 18px 0 14px 0;
    padding: 12px 14px;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: var(--ruts-radius-sm, 12px);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    text-align: left;
    transition: all 0.3s ease;
    box-sizing: border-box;
}
.ruts-pwd-reminder-icon {
    font-size: 18px;
    line-height: 1.2;
    flex-shrink: 0;
    margin-top: 1px;
}
.ruts-pwd-reminder-content {
    flex: 1;
    min-width: 0;
}
.ruts-pwd-reminder-title {
    display: block;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--ruts-text, #1e293b);
    font-family: var(--ruts-font-thai);
    margin-bottom: 2px;
}
.ruts-pwd-reminder-text {
    font-size: 11.5px;
    color: var(--ruts-text-light, #64748b);
    line-height: 1.4;
    margin: 0 0 6px 0;
    font-family: var(--ruts-font-thai);
}
.ruts-pwd-reminder-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--ruts-primary, #2563eb);
    text-decoration: none;
    font-family: var(--ruts-font-thai);
    transition: color 0.2s;
}
.ruts-pwd-reminder-link:hover {
    text-decoration: underline;
    color: var(--ruts-primary-light, #3b82f6);
}

[data-theme="dark"] .ruts-pwd-reminder-box {
    background: rgba(15, 23, 42, 0.6) !important;
    border-color: #334155 !important;
}
[data-theme="dark"] .ruts-pwd-reminder-title {
    color: #e2e8f0 !important;
}
[data-theme="dark"] .ruts-pwd-reminder-text {
    color: #94a3b8 !important;
}
[data-theme="dark"] .ruts-pwd-reminder-link {
    color: #60a5fa !important;
}

/* =============================================================================
   ★ Enhanced Modern MFA & Multi-Tab Interface ★
   ============================================================================= */

/* MFA User Badge & Header */
.ruts-mfa-user-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 2px;
}
.ruts-mfa-badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 12px;
    background: #eff6ff;
    color: #1d4ed8;
    border: 1px solid #bfdbfe;
    font-weight: 600;
}
[data-theme="dark"] .ruts-mfa-badge {
    background: rgba(37, 99, 235, 0.25);
    color: #93c5fd;
    border-color: rgba(96, 165, 250, 0.4);
}
.ruts-mfa-btn-restart {
    font-size: 12px;
    color: #475569;
    background: #f8fafc;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid #cbd5e1;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s;
    font-weight: 500;
}
.ruts-mfa-btn-restart:hover {
    color: #0f172a;
    border-color: #94a3b8;
    background: #e2e8f0;
}
[data-theme="dark"] .ruts-mfa-btn-restart {
    color: #94a3b8;
    background: transparent;
    border-color: #334155;
}
[data-theme="dark"] .ruts-mfa-btn-restart:hover {
    color: #f8fafc;
    border-color: #64748b;
    background: rgba(255,255,255,0.05);
}

/* 3-Tabs Navigation */
.ruts-mfa-tabs {
    display: grid !important;
    grid-template-columns: 1.25fr 1fr 1.15fr !important;
    gap: 6px !important;
    background: #e2e8f0 !important;
    padding: 5px !important;
    border-radius: 14px !important;
    border: 1px solid #cbd5e1 !important;
    margin-bottom: 22px !important;
}
[data-theme="dark"] .ruts-mfa-tabs {
    background: rgba(15, 23, 42, 0.7) !important;
    border-color: #334155 !important;
}
.ruts-mfa-tab {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px !important;
    padding: 9px 6px !important;
    border-radius: 10px !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    color: #64748b !important;
    text-decoration: none !important;
    cursor: pointer !important;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
    border: 1.5px solid transparent !important;
    background: #ffffff !important;
}
.ruts-mfa-tab:hover {
    color: #1e293b !important;
    background: #f8fafc !important;
    border-color: #cbd5e1 !important;
}
.ruts-mfa-tab.active {
    background: #2563eb !important;
    border-color: #1d4ed8 !important;
    color: #ffffff !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35) !important;
}
.ruts-mfa-tab.active:hover {
    background: #1d4ed8 !important;
    color: #ffffff !important;
}
.ruts-tab-badge-main {
    font-size: 9.5px;
    padding: 2px 6px;
    border-radius: 6px;
    background: #dbeafe;
    color: #1d4ed8;
    font-weight: 800;
    letter-spacing: -0.2px;
    line-height: 1.2;
}
.ruts-mfa-tab.active .ruts-tab-badge-main {
    background: #fef08a !important;
    color: #854d0e !important;
}

[data-theme="dark"] .ruts-mfa-tab {
    background: rgba(30, 41, 59, 0.7) !important;
    border-color: #334155 !important;
    color: #94a3b8 !important;
}
[data-theme="dark"] .ruts-mfa-tab:hover {
    background: #334155 !important;
    color: #f8fafc !important;
}
[data-theme="dark"] .ruts-mfa-tab.active {
    background: #2563eb !important;
    border-color: #60a5fa !important;
    color: #ffffff !important;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.5) !important;
}
[data-theme="dark"] .ruts-mfa-tab.active .ruts-tab-badge-main {
    background: #fef08a !important;
    color: #854d0e !important;
}

/* Step Card (Email OTP Step 1) */
.ruts-step-card {
    border: 1.5px solid #93c5fd;
    background: #f8fafc;
    border-radius: 18px;
    padding: 16px;
    margin-bottom: 20px;
    text-align: left;
}
[data-theme="dark"] .ruts-step-card {
    background: rgba(37, 99, 235, 0.08);
    border-color: #3b82f6;
}
.ruts-step-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.ruts-step-title-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: #0f172a;
}
[data-theme="dark"] .ruts-step-title-wrap {
    color: #f8fafc;
}
.ruts-step-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #2563eb;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}
.ruts-step-num-gray {
    background: #475569;
}
.ruts-step-tag-green {
    font-size: 11px;
    color: #047857;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    padding: 2px 8px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
}
[data-theme="dark"] .ruts-step-tag-green {
    color: #34d399;
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.35);
}
.ruts-step-desc {
    font-size: 12.5px;
    color: #475569;
    margin-bottom: 8px;
    line-height: 1.5;
}
[data-theme="dark"] .ruts-step-desc {
    color: #94a3b8;
}
.ruts-step-email-box {
    font-size: 14px;
    font-weight: 700;
    color: #0284c7;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    padding: 6px 12px;
    border-radius: 8px;
    width: fit-content;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--ruts-font-en, monospace);
}
[data-theme="dark"] .ruts-step-email-box {
    color: #38bdf8;
    background: transparent;
    border-color: transparent;
}

/* Custom Buttons (Blue, Cyan, Green) */
.ruts-btn-blue {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #fff !important;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
    transition: all 0.2s;
    text-decoration: none;
    font-family: inherit;
    box-sizing: border-box;
}
.ruts-btn-blue:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.45);
}

.ruts-btn-cyan {
    width: 100%;
    padding: 13px;
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
    color: #ffffff !important;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 16px rgba(2, 132, 199, 0.35);
    margin-top: 18px;
    transition: all 0.2s;
    font-family: inherit;
    box-sizing: border-box;
}
.ruts-btn-cyan:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.45);
}
[data-theme="dark"] .ruts-btn-cyan {
    background: linear-gradient(135deg, #00d2ff 0%, #00b4db 100%);
    color: #042f2e !important;
    box-shadow: 0 4px 16px rgba(0, 210, 255, 0.35);
}
[data-theme="dark"] .ruts-btn-cyan:hover {
    box-shadow: 0 6px 20px rgba(0, 210, 255, 0.5);
}

.ruts-btn-green {
    width: 100%;
    padding: 13px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff !important;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
    transition: all 0.2s;
    font-family: inherit;
    box-sizing: border-box;
}
.ruts-btn-green:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

/* Banner Box (Warning & Success) */
.ruts-banner-box {
    padding: 12px 14px;
    border-radius: 14px;
    font-size: 12.5px;
    line-height: 1.5;
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-bottom: 20px;
    text-align: left;
    box-sizing: border-box;
}
.ruts-banner-warning {
    background: #fffbeb;
    border: 1.5px solid #fcd34d;
    color: #78350f;
    font-weight: 500;
}
.ruts-banner-warning strong {
    color: #92400e;
}
[data-theme="dark"] .ruts-banner-warning {
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(245, 158, 11, 0.35);
    color: #fbbf24;
}
[data-theme="dark"] .ruts-banner-warning strong {
    color: #fde68a;
}
.ruts-banner-success {
    background: #ecfdf5;
    border: 1.5px solid #a7f3d0;
    color: #065f46;
    font-weight: 500;
}
.ruts-banner-success strong {
    color: #047857;
}
[data-theme="dark"] .ruts-banner-success {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.35);
    color: #34d399;
}
[data-theme="dark"] .ruts-banner-success strong {
    color: #a7f3d0;
}

/* Biometric Touch Target */
.ruts-biometric-card {
    border: 2px dashed #93c5fd;
    border-radius: 18px;
    padding: 28px 16px;
    text-align: center;
    cursor: pointer;
    margin-bottom: 20px;
    transition: all 0.25s;
    background: #f8fafc;
    box-sizing: border-box;
}
.ruts-biometric-card:hover {
    border-color: #3b82f6;
    background: #eff6ff;
    transform: scale(1.01);
}
[data-theme="dark"] .ruts-biometric-card {
    border-color: rgba(56, 189, 248, 0.35);
    background: rgba(37, 99, 235, 0.06);
}
[data-theme="dark"] .ruts-biometric-card:hover {
    border-color: #38bdf8;
    background: rgba(37, 99, 235, 0.12);
}
.ruts-fingerprint-glow {
    width: 72px;
    height: 72px;
    background: radial-gradient(circle, #38bdf8 0%, #2563eb 100%);
    border-radius: 50%;
    margin: 0 auto 14px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
    box-shadow: 0 0 22px rgba(37, 99, 235, 0.4);
    color: #fff;
}

/* Help Box at Bottom */
.ruts-help-box {
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: 16px;
    padding: 14px;
    margin-top: 20px;
    text-align: center;
    box-sizing: border-box;
}
[data-theme="dark"] .ruts-help-box {
    background: rgba(15, 23, 42, 0.5);
    border-color: #334155;
}
.ruts-help-title {
    font-size: 12.5px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
[data-theme="dark"] .ruts-help-title {
    color: #94a3b8;
}
.ruts-help-btn-row {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}
.ruts-help-pill-btn {
    font-size: 11.5px;
    padding: 6px 12px;
    border-radius: 20px;
    border: 1.5px solid #d97706;
    color: #b45309;
    background: #ffffff;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
}
.ruts-help-pill-btn:hover {
    background: #fffbeb;
}
.ruts-help-pill-btn.green {
    border-color: #059669;
    color: #047857;
}
.ruts-help-pill-btn.green:hover {
    background: #ecfdf5;
}
[data-theme="dark"] .ruts-help-pill-btn {
    border-color: #f59e0b;
    color: #fbbf24;
    background: transparent;
}
[data-theme="dark"] .ruts-help-pill-btn.green {
    border-color: #10b981;
    color: #34d399;
}
[data-theme="dark"] .ruts-help-pill-btn:hover {
    background: rgba(245, 158, 11, 0.15);
}
[data-theme="dark"] .ruts-help-pill-btn.green:hover {
    background: rgba(16, 185, 129, 0.15);
}

/* Switch & Alternate Links */
.ruts-switch-link {
    font-size: 12.5px;
    color: #0284c7;
    font-weight: 600;
    text-decoration: underline;
    cursor: pointer;
    transition: color 0.2s;
}
[data-theme="dark"] .ruts-switch-link {
    color: #38bdf8;
}
.ruts-link-gold {
    color: #b45309;
    font-weight: 600;
    text-decoration: underline;
    cursor: pointer;
}
[data-theme="dark"] .ruts-link-gold {
    color: #fbbf24;
}
.ruts-link-green {
    color: #047857;
    font-weight: 600;
    text-decoration: underline;
    cursor: pointer;
}
[data-theme="dark"] .ruts-link-green {
    color: #34d399;
}
.ruts-mfa-link-cancel {
    display: inline-block;
    margin-top: 14px;
    color: #64748b;
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    transition: color 0.2s;
}
.ruts-mfa-link-cancel:hover {
    color: #0f172a;
}
[data-theme="dark"] .ruts-mfa-link-cancel {
    color: #64748b;
}
[data-theme="dark"] .ruts-mfa-link-cancel:hover {
    color: #94a3b8;
}

/* =============================================================================
   ★ Modal Popup Styles (2FA Setup Guide) ★
   ============================================================================= */
.ruts-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    animation: rutsFadeIn 0.2s ease-out;
}
.ruts-modal-card {
    background: #ffffff;
    color: #1e293b;
    max-width: 480px;
    width: 100%;
    border-radius: 18px;
    padding: 22px 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
    border: 1px solid #e2e8f0;
    font-family: inherit;
    text-align: left;
    position: relative;
    animation: rutsModalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-sizing: border-box;
}
[data-theme="dark"] .ruts-modal-card {
    background: #1e293b;
    color: #f8fafc;
    border-color: #334155;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
}
@keyframes rutsModalPop {
    from { opacity: 0; transform: scale(0.95) translateY(8px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
.ruts-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e2e8f0;
}
[data-theme="dark"] .ruts-modal-header {
    border-bottom-color: #334155;
}
.ruts-modal-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 15px;
    color: #0f172a;
}
[data-theme="dark"] .ruts-modal-title {
    color: #f8fafc;
}
.ruts-modal-close {
    background: none;
    border: none;
    font-size: 18px;
    color: #94a3b8;
    cursor: pointer;
    line-height: 1;
    padding: 4px;
    border-radius: 6px;
    transition: all 0.2s;
}
.ruts-modal-close:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}
.ruts-modal-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 20px;
}
.ruts-modal-step {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.ruts-modal-step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #2563eb;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}
.ruts-modal-step-content strong {
    font-size: 13.5px;
    display: block;
    margin-bottom: 2px;
    color: #0f172a;
}
[data-theme="dark"] .ruts-modal-step-content strong {
    color: #f8fafc;
}
.ruts-modal-step-content p {
    font-size: 12px;
    color: #64748b;
    line-height: 1.45;
    margin: 0;
}
[data-theme="dark"] .ruts-modal-step-content p {
    color: #94a3b8;
}
.ruts-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    border-top: 1px solid #e2e8f0;
    padding-top: 14px;
}
[data-theme="dark"] .ruts-modal-footer {
    border-top-color: #334155;
}
.ruts-modal-btn-cancel {
    padding: 8px 16px;
    border-radius: 10px;
    border: 1px solid #cbd5e1;
    background: #f1f5f9;
    color: #334155;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}
.ruts-modal-btn-cancel:hover {
    background: #e2e8f0;
    color: #0f172a;
}
[data-theme="dark"] .ruts-modal-btn-cancel {
    background: #334155;
    border-color: #475569;
    color: #cbd5e1;
}
[data-theme="dark"] .ruts-modal-btn-cancel:hover {
    background: #475569;
    color: #ffffff;
}
.ruts-modal-btn-primary {
    padding: 8px 18px;
    border-radius: 10px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff !important;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
    transition: all 0.2s;
    font-family: inherit;
}
.ruts-modal-btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.45);
    transform: translateY(-1px);
}

/* =============================================================================
   ★ Email OTP Step Cards & Layout UI ★
   ============================================================================= */
.ruts-mfa-user-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 2px;
}

.ruts-mfa-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    background: rgba(37, 99, 235, 0.1);
    color: #2563eb;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.ruts-mfa-btn-restart {
    font-size: 12px;
    color: var(--ruts-text-light, #64748b);
    text-decoration: none;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: rgba(0, 0, 0, 0.02);
    transition: all 0.2s ease;
    white-space: nowrap;
}
.ruts-mfa-btn-restart:hover {
    background: rgba(0, 0, 0, 0.06);
    color: var(--ruts-text, #1e293b);
}

.ruts-tab-badge-main {
    font-size: 10px;
    background: #2563eb;
    color: white;
    padding: 1px 6px;
    border-radius: 10px;
    margin-left: 4px;
    font-weight: 600;
}

.ruts-step-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 14px;
    text-align: left;
    transition: all 0.2s ease;
}

.ruts-step-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.ruts-step-title-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 13.5px;
    color: var(--ruts-text, #1e293b);
}

.ruts-step-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #2563eb;
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.ruts-step-num-gray {
    background: #94a3b8;
}

.ruts-step-tag-green {
    font-size: 11px;
    font-weight: 600;
    color: #16a34a;
    background: rgba(22, 163, 74, 0.1);
    padding: 2px 8px;
    border-radius: 12px;
}

.ruts-step-desc {
    font-size: 12.5px;
    color: var(--ruts-text-light, #64748b);
    margin: 0 0 8px 0;
    line-height: 1.4;
    text-align: left;
}

.ruts-step-email-box {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--ruts-text, #1e293b);
    background: rgba(0, 0, 0, 0.03);
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    margin-bottom: 12px;
    word-break: break-all;
}

.ruts-btn-blue {
    width: 100%;
    padding: 11px 16px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--ruts-font-thai);
    color: white;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
    transition: all 0.2s ease;
}
.ruts-btn-blue:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.ruts-btn-cyan {
    width: 100%;
    padding: 12px 16px;
    font-size: 14.5px;
    font-weight: 600;
    font-family: var(--ruts-font-thai);
    color: white;
    background: linear-gradient(135deg, #0284c7, #0369a1);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(2, 132, 199, 0.25);
    transition: all 0.2s ease;
}
.ruts-btn-cyan:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
}

.ruts-mfa-footer-links {
    margin-top: 16px;
    text-align: center;
}

.ruts-mfa-link-cancel {
    font-size: 12.5px;
    color: #ef4444;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
}
.ruts-mfa-link-cancel:hover {
    text-decoration: underline;
}

/* Dark mode overrides for step cards */
[data-theme="dark"] .ruts-step-card {
    background: #1e293b;
    border-color: #334155;
}
[data-theme="dark"] .ruts-step-email-box {
    background: #0f172a;
    border-color: #334155;
    color: #e2e8f0;
}
[data-theme="dark"] .ruts-mfa-btn-restart {
    border-color: #475569;
    background: #1e293b;
    color: #94a3b8;
}
[data-theme="dark"] .ruts-mfa-badge {
    background: rgba(96, 165, 250, 0.15);
    border-color: rgba(96, 165, 250, 0.3);
    color: #60a5fa;
}

/* =============================================================================
   ★ Modern Email OTP UI Components ★
   ============================================================================= */
.ruts-email-request-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 24px 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    margin-bottom: 16px;
    transition: all 0.3s ease;
}
[data-theme="dark"] .ruts-email-request-card {
    background: rgba(30, 41, 59, 0.6);
    border-color: #334155;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.ruts-email-icon-circle {
    width: 60px;
    height: 60px;
    margin: 0 auto 14px auto;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(59, 130, 246, 0.15) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    border: 1px solid rgba(37, 99, 235, 0.2);
}
[data-theme="dark"] .ruts-email-icon-circle {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(59, 130, 246, 0.25) 100%);
    border-color: rgba(96, 165, 250, 0.3);
}

.ruts-email-card-title {
    font-size: 16.5px;
    font-weight: 700;
    color: var(--ruts-text, #1e293b);
    margin: 0 0 6px 0;
    font-family: var(--ruts-font-thai);
}
[data-theme="dark"] .ruts-email-card-title {
    color: #f8fafc;
}

.ruts-email-card-desc {
    font-size: 13px;
    color: var(--ruts-text-light, #64748b);
    margin: 0 0 16px 0;
    line-height: 1.5;
    font-family: var(--ruts-font-thai);
}
[data-theme="dark"] .ruts-email-card-desc {
    color: #94a3b8;
}

.ruts-email-target-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 16px;
    background: #f1f5f9;
    border: 1.5px solid #cbd5e1;
    border-radius: 12px;
    margin: 0 auto 18px auto;
    width: fit-content;
    max-width: 100%;
    box-sizing: border-box;
}
[data-theme="dark"] .ruts-email-target-box {
    background: rgba(15, 23, 42, 0.6);
    border-color: #334155;
}

.ruts-email-target-addr {
    font-size: 14px;
    font-weight: 700;
    color: #0284c7;
    font-family: var(--ruts-font-en, monospace);
    word-break: break-all;
}
[data-theme="dark"] .ruts-email-target-addr {
    color: #38bdf8;
}

.ruts-email-target-badge {
    font-size: 10.5px;
    font-weight: 700;
    color: #047857;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    padding: 2px 8px;
    border-radius: 10px;
    white-space: nowrap;
}
[data-theme="dark"] .ruts-email-target-badge {
    color: #34d399;
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.35);
}

.ruts-email-sent-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 14px;
    background: rgba(16, 185, 129, 0.08);
    border: 1.5px solid rgba(16, 185, 129, 0.35);
    border-radius: 14px;
    margin-bottom: 18px;
    text-align: left;
}
[data-theme="dark"] .ruts-email-sent-banner {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.4);
}

.ruts-email-sent-icon {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #10b981;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.ruts-email-sent-info {
    flex: 1;
    min-width: 0;
}

.ruts-email-sent-title {
    font-size: 13px;
    font-weight: 700;
    color: #065f46;
}
[data-theme="dark"] .ruts-email-sent-title {
    color: #34d399;
}

.ruts-email-sent-to {
    font-size: 12px;
    color: #0284c7;
    font-weight: 600;
    font-family: var(--ruts-font-en, monospace);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
[data-theme="dark"] .ruts-email-sent-to {
    color: #38bdf8;
}

.ruts-btn-resend {
    background: #eff6ff;
    border: 1px solid #93c5fd;
    color: #2563eb;
    font-family: inherit;
    font-size: 11.5px;
    font-weight: 600;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 8px;
    white-space: nowrap;
    transition: all 0.2s ease;
}
.ruts-btn-resend:hover:not(:disabled) {
    background: #dbeafe;
    border-color: #60a5fa;
}
[data-theme="dark"] .ruts-btn-resend {
    background: rgba(37, 99, 235, 0.15);
    border-color: rgba(96, 165, 250, 0.3);
    color: #93c5fd;
}
[data-theme="dark"] .ruts-btn-resend:hover:not(:disabled) {
    background: rgba(37, 99, 235, 0.25);
    border-color: #60a5fa;
}

.ruts-otp-countdown-wrap {
    text-align: center;
    margin: 12px 0 14px 0;
}

.ruts-otp-countdown-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 14px;
    background: rgba(37, 99, 235, 0.08);
    border-radius: 20px;
    font-size: 12.5px;
    color: var(--ruts-text-light, #64748b);
    font-weight: 500;
}
[data-theme="dark"] .ruts-otp-countdown-pill {
    background: rgba(37, 99, 235, 0.15);
    color: #94a3b8;
}

.ruts-otp-countdown-pill strong {
    color: #2563eb;
    font-size: 14px;
    font-weight: 700;
}
[data-theme="dark"] .ruts-otp-countdown-pill strong {
    color: #60a5fa;
}

.ruts-otp-progress-bg {
    margin: 8px auto 0 auto;
    max-width: 200px;
    height: 4px;
    background: rgba(0,0,0,0.08);
    border-radius: 2px;
    overflow: hidden;
}
[data-theme="dark"] .ruts-otp-progress-bg {
    background: rgba(255,255,255,0.1);
}

.ruts-otp-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #00d2ff, #2563eb);
    border-radius: 2px;
    transition: width 1s linear;
    width: 100%;
}

.ruts-email-help-hint {
    font-size: 11.5px;
    color: var(--ruts-text-light, #64748b);
    line-height: 1.5;
    text-align: center;
    margin: 10px 0 14px 0;
}
[data-theme="dark"] .ruts-email-help-hint {
    color: #64748b;
}

.ruts-email-tips {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 11.5px;
    color: var(--ruts-text-light, #64748b);
    margin-top: 14px;
}
[data-theme="dark"] .ruts-email-tips {
    color: #94a3b8;
}

.ruts-alert-error {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 10px;
    padding: 10px 14px;
    color: #ef4444;
    font-size: 13px;
    font-weight: 600;
    text-align: left;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}
[data-theme="dark"] .ruts-alert-error {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.4);
    color: #f87171;
}

/* Remember Me 8 Hours Box (Realm apps) */
.ruts-remember-me-box {
    margin: -4px 0 16px 0;
    padding: 10px 12px;
    background: rgba(123, 31, 162, 0.05);
    border: 1px solid rgba(123, 31, 162, 0.18);
    border-radius: 10px;
    transition: all 0.2s ease;
}
.ruts-remember-me-box:hover {
    background: rgba(123, 31, 162, 0.08);
    border-color: rgba(123, 31, 162, 0.28);
}
.ruts-remember-me-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    margin: 0;
    user-select: none;
    text-align: left;
}
.ruts-remember-me-checkbox {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--ruts-primary, #7b1fa2);
    cursor: pointer;
    flex-shrink: 0;
}
.ruts-remember-me-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    line-height: 1.35;
}
.ruts-remember-me-text strong {
    font-size: 13px;
    font-weight: 600;
    color: var(--ruts-text, #1e293b);
}
.ruts-remember-me-text small {
    font-size: 11.5px;
    color: var(--ruts-text-light, #64748b);
}
[data-theme="dark"] .ruts-remember-me-box {
    background: rgba(168, 85, 247, 0.1);
    border-color: rgba(168, 85, 247, 0.28);
}
[data-theme="dark"] .ruts-remember-me-box:hover {
    background: rgba(168, 85, 247, 0.15);
    border-color: rgba(168, 85, 247, 0.4);
}
[data-theme="dark"] .ruts-remember-me-checkbox {
    accent-color: #c084fc;
}
[data-theme="dark"] .ruts-remember-me-text strong {
    color: #f1f5f9;
}
[data-theme="dark"] .ruts-remember-me-text small {
    color: #94a3b8;
}