/* ===================== TRANG DANG NHAP / DANG KY / TAO GIA DINH ===================== */
.auth-page { min-height: 100vh; display: flex; align-items: stretch; background: var(--color-bg); }

.auth-visual {
    flex: 1.1; position: relative; overflow: hidden;
    display: flex; flex-direction: column; justify-content: space-between;
    padding: 44px 56px 0; color: #fff;
    background:
        radial-gradient(70% 60% at 85% 10%, rgba(255,255,255,.16) 0%, rgba(255,255,255,0) 70%),
        linear-gradient(140deg, #2563EB 0%, #4F63F1 50%, #7655F7 100%);
}
.auth-visual::before {
    content: ""; position: absolute; width: 460px; height: 460px; border-radius: 50%;
    right: -160px; bottom: -180px; background: rgba(255,255,255,.08);
}
.auth-logo { display: flex; align-items: center; gap: 12px; position: relative; z-index: 1; }
.auth-logo img { width: 46px; height: 46px; filter: drop-shadow(0 8px 18px rgba(20,20,80,.3)); }
.auth-logo strong { display: block; font-size: 22px; font-weight: 700; }
.auth-logo span { display: block; font-size: 12.5px; opacity: .85; }
.auth-copy { position: relative; z-index: 1; margin-top: 40px; }
.auth-copy h1 { font-size: 40px; line-height: 1.2; font-weight: 800; letter-spacing: -.6px; margin-bottom: 14px; }
.auth-copy p { font-size: 16px; opacity: .92; max-width: 440px; }
.auth-features { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.auth-features span {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 12px; border-radius: 999px; font-size: 13px; font-weight: 500;
    background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.25);
}
.auth-features .ic { width: 16px; height: 16px; }
.auth-art { position: relative; z-index: 1; align-self: center; width: 100%; max-width: 480px; margin-top: 20px; }

.auth-form-side { flex: 1; display: flex; align-items: center; justify-content: center; padding: 40px 24px; background: #fff; }
.auth-card { width: 100%; max-width: 400px; }
.auth-card h2 { font-size: 28px; font-weight: 800; color: var(--color-navy); margin-bottom: 6px; letter-spacing: -.3px; }
.auth-card .subtitle { color: var(--color-text-muted); margin-bottom: 26px; font-size: 14.5px; }
.auth-card .switch { margin-top: 20px; text-align: center; color: var(--color-text-muted); font-size: 14px; }
.auth-card .switch a { color: var(--color-primary); font-weight: 600; }
.auth-mobile-logo { display: none; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; font-size: 13.5px; margin-bottom: 7px; color: var(--color-text); }
.form-group label small { font-weight: 400; color: var(--color-text-muted); }
.input-wrap { position: relative; }
.input-wrap .ic { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: #98A1B8; pointer-events: none; }
.form-group input {
    width: 100%; height: 50px; padding: 0 14px 0 44px;
    border-radius: 14px; border: 1.5px solid var(--color-border); background: #FBFCFF;
    font: inherit; font-size: 15px; color: var(--color-text);
    transition: border-color .15s, box-shadow .15s, background-color .15s;
}
.form-group input:focus { outline: none; border-color: var(--color-primary); background: #fff; box-shadow: 0 0 0 4px rgba(37,99,235,.12); }
.form-group input:focus + .ic, .input-wrap:focus-within .ic { color: var(--color-primary); }

.btn-primary {
    width: 100%; height: 52px; border: none; border-radius: 14px;
    background: var(--gradient-primary); color: #fff;
    font-weight: 700; font-size: 15.5px;
    box-shadow: 0 10px 24px rgba(37,99,235,.3);
    transition: transform .15s, box-shadow .15s;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 30px rgba(37,99,235,.38); }

.alert-error {
    display: flex; gap: 10px; align-items: flex-start;
    background: #FEF2F2; color: #B91C1C; border: 1px solid #FECACA;
    padding: 12px 14px; border-radius: 14px; font-size: 13.5px; margin-bottom: 18px;
    word-break: break-word;
}
.alert-error .ic { flex-shrink: 0; margin-top: 1px; }
.alert-error a { color: #991B1B; font-weight: 700; text-decoration: underline; }

@media (max-width: 960px) {
    .auth-visual { display: none; }
    .auth-form-side { align-items: flex-start; padding: calc(28px + env(safe-area-inset-top)) 20px 32px; }
    .auth-mobile-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 26px; font-weight: 700; font-size: 20px; color: var(--color-navy); }
    .auth-mobile-logo img { width: 40px; height: 40px; }
    .auth-card h2 { font-size: 25px; }
}

/* O nhap ma moi (trang Tham gia gia dinh) */
.form-group input.code-input { font-family: ui-monospace, Consolas, monospace; font-size: 20px; font-weight: 700; letter-spacing: 4px; text-transform: uppercase; }
.subtitle strong { color: var(--color-navy); }

/* ---------- Captcha ---------- */
.captcha-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.captcha-row img { display: block; width: 230px; max-width: calc(100% - 56px); height: auto; aspect-ratio: 230 / 72;
                   border-radius: 12px; border: 1px solid var(--color-border); background: #F1F4FA; user-select: none; }
.captcha-refresh { width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px; border: 1px solid var(--color-border);
                   background: #fff; color: var(--color-primary); display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
                   transition: background-color .15s, transform .3s; }
.captcha-refresh:hover { background: var(--color-primary-light); }
.captcha-refresh.spin { transform: rotate(180deg); }
.captcha-group input[name=captcha] { letter-spacing: 3px; font-weight: 700; }
.captcha-hint { display: block; margin-top: 6px; font-size: 12px; color: var(--color-text-muted); }

/* ---------- Xac nhan email ---------- */
.verify-ic { width: 64px; height: 64px; border-radius: 20px; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 18px;
             background: linear-gradient(135deg, #60A5FA, #2563EB); color: #fff; box-shadow: 0 12px 26px rgba(37,99,235,.28); }
.verify-ic .ic { width: 30px; height: 30px; }
.verify-ic.ok { background: linear-gradient(135deg, #4ADE80, #16A34A); box-shadow: 0 12px 26px rgba(22,163,74,.26); }
.verify-ic.bad { background: linear-gradient(135deg, #FDBA74, #F97316); box-shadow: 0 12px 26px rgba(249,115,22,.28); }
.verify-btn { display: flex; align-items: center; justify-content: center; text-decoration: none; }
.verify-tips { list-style: none; margin: -8px 0 6px; padding: 0; display: grid; gap: 10px; }
.verify-tips li { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; color: var(--color-text-muted); }
.verify-tips .ic { color: var(--color-primary); flex-shrink: 0; margin-top: 1px; }
.verify-tips strong { color: var(--color-navy); }
.verify-resend { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--color-border); }
.verify-resend h3 { font-size: 16px; font-weight: 700; color: var(--color-navy); margin-bottom: 14px; }
.verify-resend .captcha-hint { text-align: center; margin-top: 10px; }

/* ---------- Dong y dieu khoan ---------- */
.agree-check { display: flex; gap: 10px; align-items: flex-start; margin: 4px 0 18px; padding: 12px 14px; border-radius: 14px;
               background: #F5F8FF; border: 1px solid #DCE6FB; font-size: 13px; line-height: 1.55; color: var(--color-text); cursor: pointer; }
.agree-check input { width: 18px; height: 18px; margin-top: 1px; flex-shrink: 0; accent-color: var(--color-primary); }
.agree-check a { color: var(--color-primary); font-weight: 600; }
.legal-links { margin-top: 10px; text-align: center; font-size: 12.5px; color: var(--color-text-muted); }
.legal-links a { color: var(--color-text-muted); text-decoration: underline; }
.terms-form { margin-top: 18px; }
.auth-card .subtitle a { color: var(--color-primary); font-weight: 600; }

/* ---------- Quen mat khau ---------- */
.label-row { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.label-row label { margin-bottom: 8px; }
.forgot-link { font-size: 13px; font-weight: 600; color: var(--color-primary); }
.forgot-link:hover { text-decoration: underline; }

/* Ghi nho dang nhap 90 ngay */
.remember-row { display: flex; align-items: flex-start; gap: 10px; margin: 2px 0 16px; cursor: pointer; font-size: 13.5px; color: var(--color-text); }
.remember-row input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--color-primary); flex-shrink: 0; }
.remember-row span { display: flex; flex-direction: column; gap: 2px; font-weight: 600; }
.remember-row small { font-weight: 400; font-size: 12.5px; color: var(--color-text-muted); }
html[data-theme="dark"] .remember-row { color: #E6ECF8; }