/* Customer sign-in only; admin and device authorization keep their own frame. */
.signin { --sign-bg: #0c1015; --sign-panel: #131a21; --sign-text: #eef4f5; --sign-muted: #a0aeb8; --sign-line: #2b3943; --sign-accent: #b0efd9; min-height: 100svh; background: var(--sign-bg); color: var(--sign-text); padding: 24px clamp(20px, 5vw, 80px); display: flex; flex-direction: column; }
[data-theme="light"] .signin { --sign-bg: #f7f9f8; --sign-panel: #fff; --sign-text: #162c32; --sign-muted: #51636a; --sign-line: #cedbd7; --sign-accent: #126b55; }
.signin-header, .signin-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.signin-logo { display: block; width: 112px; }
.signin-logo img { width: 100%; height: auto; }
.signin-theme { width: 44px; height: 44px; border: 1px solid var(--sign-line); border-radius: 50%; display: grid; place-items: center; color: var(--sign-muted); }
.signin-theme:hover { color: var(--sign-text); background: var(--sign-panel); }
.signin-layout { width: min(1120px, 100%); margin: auto; display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px, 7vw, 108px); align-items: center; padding: 54px 0; }
.signin-eyebrow, .signin-step { display: block; font-size: 11px; line-height: 1.6; font-weight: 600; letter-spacing: .14em; color: var(--sign-muted); }
.signin-intro h2 { margin: 22px 0; font-size: clamp(38px, 4.4vw, 62px); line-height: 1.1; font-weight: 500; letter-spacing: -.055em; }
.signin-intro h2 span { color: var(--sign-accent); }
.signin-intro > p { color: var(--sign-muted); font-size: 16px; line-height: 1.8; max-width: 360px; }
.signin-orbit { height: 238px; max-width: 410px; position: relative; display: grid; place-items: center; margin-top: 24px; }
.orbit-ring { position: absolute; width: 90%; height: 170px; border: 1px solid var(--sign-line); border-radius: 50%; transform: rotate(-20deg); }
.orbit-ring-inner { width: 68%; height: 220px; transform: rotate(35deg); border-style: dashed; opacity: .65; }
.orbit-core { display: grid; place-items: center; width: 72px; height: 72px; border: 1px solid var(--sign-line); border-radius: 24px; color: var(--sign-accent); background: var(--sign-panel); font-size: 38px; font-weight: 600; box-shadow: 0 0 65px #72dcb112; }
.orbit-label { position: absolute; padding: 9px 15px; background: var(--sign-panel); border: 1px solid var(--sign-line); border-radius: 30px; font-size: 12px; }
.orbit-label-one { left: 3%; top: 57px; }.orbit-label-two { right: 4%; top: 28px; }.orbit-label-three { bottom: 17px; right: 9%; }
.signin-intro .signin-caption { font-size: 12px; }
.signin .signin-main { display: block; min-height: 0; padding: 0; background: none; overflow: visible; }
.signin .auth-card { width: 100%; max-width: 440px; margin: 0 auto; padding: 38px; background: var(--sign-panel); border: 1px solid var(--sign-line); border-radius: 24px; box-shadow: 0 20px 70px #00000012; text-align: left; }
.signin .auth-card h1 { margin: 13px 0 14px; font-size: 30px; line-height: 1.2; letter-spacing: -.035em; color: var(--sign-text); font-weight: 600; text-align: left; }
.signin .auth-description { color: var(--sign-muted); font-size: 14px; line-height: 1.75; margin: 0 0 24px; overflow-wrap: anywhere; }
.signin .auth-description strong { color: var(--sign-text); font-weight: 500; }
.signin .auth-form { display: grid; gap: 10px; margin-top: 0; }
.signin .auth-form label, .signin #code-label { font-size: 13px; color: var(--sign-text); font-weight: 500; }
.signin .auth-form input:not([type="hidden"]) { width: 100%; min-width: 0; min-height: 52px; border-radius: 11px; border: 1px solid var(--sign-line); background: var(--sign-bg); color: var(--sign-text); padding: 13px 15px; font-size: 16px; box-shadow: none; }
.signin .auth-form input::placeholder { color: var(--sign-muted); opacity: .75; }
.signin .auth-form input[aria-invalid="true"] { border-color: #e68e8e; }
.signin :focus-visible { outline: 2px solid var(--sign-accent); outline-offset: 4px; }
.signin .auth-submit { display: flex; align-items: center; justify-content: center; gap: 14px; width: 100%; min-height: 52px; margin-top: 10px; border-radius: 11px; font-size: 14px; font-weight: 600; box-shadow: none; }
.signin .button-primary { background: #b0efd9; color: #123a2c; border: 1px solid #b0efd9; }
.signin .button-primary:hover { background: #c6f7e6; border-color: #c6f7e6; transform: none; }
[data-theme="light"] .signin .button-primary { background: #156d56; color: #fff; border-color: #156d56; }
[data-theme="light"] .signin .button-primary:hover { background: #0e5844; }
.signin .button-secondary { background: var(--sign-bg); border: 1px solid var(--sign-line); color: var(--sign-text); margin-bottom: 20px; }
.signin .auth-help { font-size: 13px; color: var(--sign-muted); line-height: 1.7; margin: 20px 0 0; }
.signin .auth-help a, .signin .resend-line button { color: var(--sign-accent); text-decoration: underline; text-underline-offset: 4px; }
.signin .auth-help a, .signin .resend-line button { display: inline-flex; min-height: 32px; align-items: center; }
.signin-security { display: flex; gap: 10px; align-items: flex-start; margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--sign-line); color: var(--sign-muted); }
.signin-security svg { flex-shrink: 0; margin-top: 2px; }.signin-security p { font-size: 12px; line-height: 1.7; }
.signin .auth-error { color: #ffc6c6; background: #9c34341c; border: 1px solid #a35252; padding: 12px 14px; border-radius: 10px; margin: 0 0 18px; line-height: 1.65; font-size: 13px; }
[data-theme="light"] .signin .auth-error { color: #852e2e; background: #fff3f3; }
.signin .digit-code { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 7px; margin: 2px 0 6px; }
.signin .digit-code input { padding: 10px 0 !important; font-size: 24px !important; text-align: center; font-variant-numeric: tabular-nums; }
.signin .resend-line { display: flex; flex-wrap: wrap; gap: 4px 7px; justify-content: flex-start; margin-top: 20px; color: var(--sign-muted); font-size: 12px; line-height: 2; }
.signin-footer { color: var(--sign-muted); font-size: 11px; padding: 14px 0 0; border-top: 1px solid var(--sign-line); }
.signin-footer > :first-child { letter-spacing: .16em; }
@media (max-width: 800px) { .signin-layout { grid-template-columns: 1fr; max-width: 480px; gap: 30px; padding: 32px 0 40px; }.signin-intro { display: none; }.signin .auth-card { max-width: none; }.signin-header { margin-bottom: 16px; } }
@media (max-width: 420px) { .signin { padding: 16px; }.signin .auth-card { padding: 26px 20px; border-radius: 18px; }.signin .auth-card h1 { font-size: 27px; }.signin-footer { gap: 12px; font-size: 10px; }.signin .digit-code { gap: 5px; } }
@media (prefers-reduced-motion: reduce) { .signin *, .signin *::before, .signin *::after { animation: none !important; transition: none !important; } }