@import url('https://fonts.googleapis.com/css2?family=Google+Sans+Flex:opsz,wght@6..144,1..1000&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Google Sans Flex", sans-serif;
}

:root {
    --primary-color: #ff8432;
    --border: 1.5px solid #e8eaf2;
    --border-color: #e8eaf2;
    --box-shadow: 0 4px 15px rgba(117, 128, 222, .2);
    --sidebar-width: 270px;
    --bg-primary: #ffffff;
    --bg-secondary: #f0f2f5;
    --text-primary: #0a0a0a;
    --text-secondary: #626380cf;
}

[data-theme="dark"] {
    --bg-primary: #111822;
    --bg-secondary: #242526;
    --text-primary: #e4e6eb;
    --text-secondary: #b0b3b8;
    --border-color: #3e4042;
    --border: 1.5px solid var(--border-color);
}

a {
    text-decoration: none;
    color: inherit;
}

.mb-20 {
    margin-bottom: 20px;
}

.p-20 {
    padding: 20px;
}

.auth-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.auth-wrapper {
    width: 30vw;
    padding: 0 9px 30px;
}

.logo {
    width: 130px;
}

/* Light/dark logo switching */
.logo-light {
    display: inline-block;
}
.logo-dark {
    display: none;
}
[data-theme="dark"] .logo-light {
    display: none;
}
[data-theme="dark"] .logo-dark {
    display: inline-block;
}

.auth-header {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 20px;
    text-align: center;
}

.auth-header .title {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.3px;
    color: var(--text-primary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 13px;
}

.form-control {
    width: 100%;
    height: 50px;
    padding: 14px 18px;
    border: var(--border);
    outline: none;
    border-radius: 12px;
    font-size: 14px;
    transition: all 0.3s ease;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.form-control:focus {
    border-color: var(--primary-color);
}

.form-control::placeholder {
    font-size: 14px;
    color: var(--text-secondary);
}

.btn {
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 20px;
    border-radius: 1000px;
    text-decoration: none;
    box-sizing: border-box;
}

.btn-primary {
    background-color: var(--primary-color);
    border: 1px solid var(--primary-color);
    color: #fff;
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline {
    background-color: transparent;
    border: 1.5px solid rgba(255, 255, 255, 0.85);
    color: #fff;
}

.auth-form .btn {
    width: 100%;
}

.auth-terms {
    margin-top: 4px;
    margin-bottom: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.auth-terms-link {
    color: var(--text-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
    cursor: pointer;
}

.auth-terms-link:hover {
    color: var(--primary-color);
}

.auth-footer {
    margin-top: 8px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.auth-footer-line {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.auth-footer-link {
    color: var(--text-primary);
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color 0.2s ease;
}

.auth-footer-link:hover {
    color: var(--primary-color);
}

.auth-footer-link--block {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
}

.captcha-group {
    display: flex;
    align-items: stretch;
    gap: 10px;
}

.captcha-input {
    flex: 1;
    min-width: 0;
}

.captcha-text {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 110px;
    padding: 0 16px;
    border: var(--border);
    border-radius: 12px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 3px;
    user-select: none;
}

.captcha-refresh {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: var(--border);
    border-radius: 12px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.captcha-refresh:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.captcha-refresh i {
    font-size: 20px;
}

@media (max-width: 576px) {
    .auth-container {
        padding: 0 16px;
        align-items: flex-start;
        padding-top: 24px;
    }

    .auth-wrapper {
        width: 100%;
        max-width: none;
        padding: 0 0 30px;
    }

    .auth-header .title {
        font-size: 20px;
    }

    .auth-header .description {
        font-size: 14px;
    }

    .captcha-group {
        flex-wrap: wrap;
    }

    .captcha-input {
        flex: 1 1 100%;
    }

    .captcha-text {
        flex: 1;
        min-width: 0;
    }
}

/* Emergency account-upgrade notice */
.account-upgrade-notice {
    width: min(100%, 520px);
    margin: 0 auto 18px;
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 13px;
    padding: 15px 42px 15px 15px;
    border: 1px solid rgba(76, 69, 224, .28);
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(76, 69, 224, .13), rgba(76, 69, 224, .045));
    box-shadow: 0 12px 32px rgba(0, 0, 0, .12);
    backdrop-filter: blur(10px);
    animation: accountNoticeIn .28s ease-out;
    transition: opacity .18s ease, transform .18s ease;
}

.account-upgrade-notice[hidden] { display: none; }
.account-upgrade-notice.is-closing { opacity: 0; transform: translateY(-5px); }
.account-upgrade-notice__icon {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 7px 18px rgba(76, 69, 224, .25);
}
.account-upgrade-notice__icon i { font-size: 19px; }
.account-upgrade-notice__content { min-width: 0; }
.account-upgrade-notice__title {
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 750;
    line-height: 1.3;
    margin-bottom: 4px;
}
.account-upgrade-notice__text {
    color: var(--text-secondary);
    font-size: 12.5px;
    line-height: 1.55;
}
.account-upgrade-notice__link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
    color: var(--primary-color);
    font-size: 12.5px;
    font-weight: 700;
    text-decoration: none;
}
.account-upgrade-notice__link:hover { text-decoration: underline; }
.account-upgrade-notice__close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
}
.account-upgrade-notice__close:hover { background: rgba(127,127,127,.12); color: var(--text-primary); }
.account-upgrade-notice__close i { font-size: 17px; }
@keyframes accountNoticeIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 576px) {
    .account-upgrade-notice { width: 100%; margin-bottom: 14px; padding: 13px 38px 13px 12px; border-radius: 14px; gap: 10px; }
    .account-upgrade-notice__icon { width: 34px; height: 34px; flex-basis: 34px; border-radius: 10px; }
    .account-upgrade-notice__text, .account-upgrade-notice__link { font-size: 12px; }
}

/* === DEPRINCETECH modern authentication redesign === */
.auth-redesign{min-height:100vh;padding:28px;background:radial-gradient(circle at 15% 10%,rgba(76,69,224,.18),transparent 32%),#f5f7fb!important;overflow:auto!important}
.auth-shell{width:min(1080px,100%);min-height:650px;display:grid;grid-template-columns:43% 57%;background:#fff;border-radius:30px;overflow:hidden;box-shadow:0 30px 90px rgba(20,24,50,.16);border:1px solid rgba(20,24,50,.07)}
.auth-visual{position:relative;padding:54px 48px;background:linear-gradient(145deg,#171a39 0%,#29245e 58%,#4c45e0 100%);color:#fff;overflow:hidden;display:flex;flex-direction:column;justify-content:center}.auth-visual-glow{position:absolute;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.11);right:-150px;top:-130px}.auth-brand{position:absolute;top:28px;left:42px;font-weight:800;font-size:20px;letter-spacing:-.5px}.auth-visual-icon{width:76px;height:76px;border-radius:24px;background:rgba(255,255,255,.13);display:grid;place-items:center;font-size:34px;margin-bottom:28px;box-shadow:inset 0 1px rgba(255,255,255,.2)}.auth-kicker,.auth-panel-kicker{font-size:11px;font-weight:800;letter-spacing:2px;opacity:.72}.auth-visual h1{font-size:40px;line-height:1.08;margin:12px 0 18px;letter-spacing:-1.5px}.auth-visual h1 span{color:#bfc4ff}.auth-visual p{font-size:15px;line-height:1.7;color:rgba(255,255,255,.76);max-width:390px}.auth-benefits{margin-top:30px;display:grid;gap:13px}.auth-benefits div{display:flex;align-items:center;gap:12px;font-size:13px;color:rgba(255,255,255,.9)}.auth-benefits i{width:32px;height:32px;border-radius:10px;background:rgba(255,255,255,.12);display:grid;place-items:center}.auth-panel{padding:46px 52px;display:flex;flex-direction:column;justify-content:center;background:#fff}.auth-panel-logo{height:38px;margin-bottom:22px}.auth-panel-logo img{max-height:38px;max-width:150px}.auth-panel-logo strong{font-size:20px}.auth-panel h2{font-size:31px;line-height:1.15;margin:8px 0 7px;letter-spacing:-1px;color:#171827}.auth-panel-subtitle{margin:0 0 26px;color:#73768b;font-size:14px}.auth-form-modern{gap:16px}.auth-field{display:block;font-size:12px;font-weight:700;color:#45475a}.auth-field>span{display:block;margin:0 0 7px}.auth-field em{font-style:normal;font-weight:500;color:#9b9eae}.auth-input-wrap{height:50px;border:1px solid #e2e4ec;border-radius:13px;background:#fbfcfe;display:flex;align-items:center;transition:.2s}.auth-input-wrap:focus-within{border-color:var(--primary-color);box-shadow:0 0 0 4px rgba(76,69,224,.09);background:#fff}.auth-input-wrap>i{margin-left:15px;color:#8b8fa4;font-size:17px}.auth-input-wrap input{border:0!important;outline:0!important;background:transparent!important;box-shadow:none!important;width:100%;height:100%;padding:0 12px;font-size:14px;color:#202235}.password-toggle{border:0;background:transparent;color:#888da2;padding:10px;cursor:pointer}.auth-row{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#898c9d}.auth-row a{color:var(--primary-color);font-weight:700}.auth-submit{height:52px;border:0;border-radius:14px;background:linear-gradient(135deg,var(--primary-color),#7169ff);color:#fff;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;gap:12px;cursor:pointer;box-shadow:0 12px 24px rgba(76,69,224,.22);transition:transform .2s,box-shadow .2s}.auth-submit:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(76,69,224,.28)}.auth-divider{display:flex;align-items:center;gap:12px;color:#a0a2b1;font-size:12px;margin:22px 0 12px}.auth-divider:before,.auth-divider:after{content:"";height:1px;background:#eceef3;flex:1}.auth-create{height:46px;border:1px solid #e1e3eb;border-radius:13px;display:flex;align-items:center;justify-content:center;gap:8px;font-weight:700;color:#34364a;font-size:13px;transition:.2s}.auth-create:hover{border-color:var(--primary-color);color:var(--primary-color);background:#fafaff}.auth-legal{font-size:11px;line-height:1.6;color:#999cad;margin:18px 0 0;text-align:center}.auth-legal a{color:#55586c;text-decoration:underline}.auth-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.auth-shell-register .auth-panel{padding-top:35px;padding-bottom:35px}.auth-shell-register .auth-panel-subtitle{margin-bottom:18px}.auth-shell-register .auth-form-modern{gap:13px}.auth-legal-register{margin:2px 0 0;text-align:left}.captcha-group{height:50px;display:flex;gap:8px}.captcha-group .captcha-input{height:50px!important;min-width:0}.captcha-text{height:50px!important;min-width:100px}.captcha-refresh{height:50px!important;width:50px!important}
@media(max-width:850px){.auth-redesign{padding:14px}.auth-shell{grid-template-columns:1fr;min-height:auto;max-width:600px}.auth-visual{min-height:280px;padding:42px 30px;justify-content:flex-end}.auth-visual h1{font-size:31px}.auth-brand{left:30px}.auth-visual-icon,.auth-benefits{display:none}.auth-panel{padding:34px 28px}.auth-shell-register .auth-panel{padding:30px 24px}.auth-form-grid{grid-template-columns:1fr}}
@media(max-width:480px){.auth-redesign{padding:0}.auth-shell{border-radius:0;min-height:100vh;border:0}.auth-visual{min-height:245px;padding:30px 22px}.auth-brand{top:20px;left:22px}.auth-visual h1{font-size:27px}.auth-panel{padding:28px 20px}.auth-panel h2{font-size:27px}}