/* Authentication shares the workspace palette and interaction scale. */
:root {
  color-scheme: dark;
  --font-ui: 'DM Sans', system-ui, sans-serif;
  --font-display: var(--font-ui);
  --live-dim: color-mix(in srgb, var(--live) 12%, transparent);
  --motion-ease: cubic-bezier(.22, 1, .36, 1);
}
:root[data-theme="light"] { color-scheme: light; }
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
[hidden] { display: none !important; }
body {
  min-height: 100vh; min-height: 100dvh; padding: 28px 40px;
  display: grid; place-items: center; background: var(--bg); color: var(--text);
  font: 14px/1.6 var(--font-ui); -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--live-dim); color: var(--text); }
button, input { font: inherit; -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:focus-visible { outline: 2px solid var(--live); outline-offset: 4px; }
.auth-shell { display: flex; flex-direction: column; min-height: calc(100dvh - 56px); width: 100%; }
.auth-topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 44px; }
.login-wordmark { display: flex; align-items: center; gap: 11px; font-weight: 600; font-size: 20px; letter-spacing: -.7px; }
.login-symbol { display: grid; place-items: center; flex-shrink: 0; width: 37px; height: 37px; border-radius: 10px; background: color-mix(in srgb, var(--logo-blue) 12%, transparent); color: var(--logo-blue); box-shadow: inset 0 1px 0 #ffffff50; }
.wordmark-note { margin-left: 8px; padding-left: 18px; border-left: 1px solid var(--border-subtle); color: var(--text-faint); font-size: 11px; font-weight: 400; letter-spacing: 0; }
#loginThemeSwitch { min-width: 72px; }
.auth-theme-switch { display: flex; align-items: center; gap: 3px; padding: 3px; border: 1px solid var(--border-subtle); border-radius: 9px; background: var(--surface); }
.auth-theme-switch button { display: grid; place-items: center; width: 30px; height: 30px; padding: 0; border: 0; border-radius: 6px; background: transparent; color: var(--text-faint); }
.auth-theme-switch button:hover { color: var(--text); }
.auth-theme-switch button[aria-pressed="true"] { background: var(--surface-3); color: var(--text); }
.auth-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); flex: 1; align-items: center; gap: clamp(48px, 7vw, 100px); width: 100%; padding: 48px 0; }
.login-intro { min-width: 0; }
.intro-kicker { display: flex; align-items: center; gap: 9px; margin-bottom: 20px; color: var(--live); font-size: 10px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.intro-kicker > span { width: 6px; height: 6px; border-radius: 50%; background: var(--live); box-shadow: 0 0 0 4px var(--live-dim); }
.login-intro h2 { font: 600 clamp(36px, 3.8vw, 51px)/1.12 var(--font-ui); letter-spacing: -2px; }
.login-intro h2 > span { color: var(--live); }
.intro-description { max-width: 370px; margin-top: 20px; color: var(--text-dim); font-size: 13px; line-height: 1.85; }
.login-preview { max-width: 380px; margin-top: 36px; border: 1px solid var(--border-subtle); border-radius: 14px; background: var(--surface); box-shadow: var(--card-shadow); overflow: hidden; }
.preview-heading { display: flex; align-items: center; gap: 8px; padding: 14px 16px; border-bottom: 1px solid var(--border-subtle); color: var(--text-dim); font-size: 10px; }
.preview-heading > svg { margin-left: auto; color: var(--text-faint); }
.preview-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--live); }
.preview-conversation { display: grid; gap: 12px; padding: 20px; }
.preview-message { display: flex; gap: 10px; align-items: flex-start; width: 83%; }
.preview-avatar { display: grid; place-items: center; flex-shrink: 0; width: 28px; height: 28px; border-radius: 8px; background: var(--surface-3); color: var(--text-dim); }
.preview-message > div { display: grid; gap: 8px; width: 100%; padding: 11px 12px; border: 1px solid var(--border-subtle); border-radius: 0 10px 10px; background: var(--surface-2); }
.preview-message > div > span { color: var(--text-dim); font-size: 9px; }
.preview-message i { width: 100%; height: 4px; border-radius: 5px; background: var(--border); }
.preview-message i:last-child { width: 65%; }
.preview-message--team { margin-left: auto; flex-direction: row-reverse; }
.preview-message--team .preview-avatar { background: var(--live-dim); color: var(--live); }
.preview-message--team > div { border-radius: 10px 0 10px 10px; border-color: color-mix(in srgb, var(--live) 20%, var(--border-subtle)); background: var(--live-dim); }
.preview-message--team > div > span { color: var(--live); }
.preview-message--team i { background: color-mix(in srgb, var(--live) 24%, transparent); }
.preview-footer { display: flex; align-items: center; gap: 8px; padding: 11px 16px; border-top: 1px solid var(--border-subtle); color: var(--text-faint); font-size: 9px; }
.preview-footer-mark { color: var(--live); font-size: 14px; }
.intro-caption { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 22px; color: var(--text-faint); font-size: 10px; }
.intro-caption > span { display: inline-flex; align-items: center; gap: 7px; }
.intro-caption > span::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--live); }
.login-card { min-width: 0; padding: 32px; background: var(--surface); color: var(--text); border: 1px solid var(--border-subtle); border-radius: 16px; box-shadow: var(--card-shadow); }
.login-card-icon { display: grid; place-items: center; width: 43px; height: 43px; margin-bottom: 22px; border: 1px solid color-mix(in srgb, var(--live) 20%, transparent); border-radius: 12px; background: var(--live-dim); color: var(--live); }
.login-header { margin-bottom: 25px; }
.login-kicker { margin-bottom: 8px; color: var(--live); text-transform: uppercase; letter-spacing: .09em; font-size: 9px; font-weight: 600; }
.login-header h1 { margin-bottom: 10px; font: 600 29px/1.2 var(--font-ui); letter-spacing: -.9px; }
.login-header h1 em { font-style: normal; color: var(--live); }
.login-header > p:last-child { max-width: 320px; color: var(--text-dim); font-size: 12px; line-height: 1.75; }
.auth-tabs { display: flex; gap: 3px; padding: 3px; border: 1px solid var(--border-subtle); border-radius: 9px; background: var(--surface-2); margin-bottom: 24px; }
.auth-tab { flex: 1; min-height: 36px; padding: 7px 10px; border: 1px solid transparent; border-radius: 6px; background: transparent; color: var(--text-dim); font-size: 11px; font-weight: 500; }
.auth-tab:hover { color: var(--text); }
.auth-tab.is-active { color: var(--text); background: var(--surface); border-color: var(--border-subtle); box-shadow: 0 1px 3px #00000012; }
.input-group { margin-bottom: 18px; }
.input-group label { display: block; margin-bottom: 7px; color: var(--text-dim); font-size: 11px; font-weight: 500; }
.auth-input, .password-field { position: relative; }
.auth-input > svg, .password-field > svg { position: absolute; left: 13px; top: 50%; translate: 0 -50%; color: var(--text-faint); pointer-events: none; }
.input-group input { display: block; width: 100%; min-height: 46px; padding: 12px 13px; border: 1px solid var(--border-subtle); border-radius: 9px; background: var(--bg); color: var(--text); font: 13px var(--font-ui); }
.auth-input input, .password-field input { padding-left: 40px; }
.input-group input::placeholder { color: var(--text-faint); opacity: 1; }
.input-group input:focus { outline: none; border-color: var(--live); box-shadow: 0 0 0 3px var(--live-dim); }
.auth-input:focus-within > svg, .password-field:focus-within > svg { color: var(--live); }
.input-group input:-webkit-autofill { -webkit-text-fill-color: var(--text); box-shadow: 0 0 0 100px var(--bg) inset; caret-color: var(--text); }
.input-group input:-webkit-autofill:focus { box-shadow: 0 0 0 100px var(--bg) inset, 0 0 0 3px var(--live-dim); }
.password-field input { padding-right: 48px; }
.password-field button { position: absolute; display: grid; place-items: center; top: 4px; bottom: 4px; right: 5px; width: 36px; padding: 0; border: 0; border-radius: 6px; background: transparent; color: var(--text-faint); }
.password-field button:hover { background: var(--surface-2); color: var(--text); }
.remember-login { margin: 0 0 20px; }
.remember-toggle { display: inline-flex; align-items: center; gap: 9px; min-height: 38px; padding: 0; border: 0; border-radius: 6px; background: transparent; color: var(--text-dim); font-size: 11px; font-weight: 500; }
.remember-toggle:disabled { opacity: .65; cursor: wait; }
.remember-track { display: inline-flex; align-items: center; width: 33px; height: 19px; padding: 2px; border: 1px solid var(--border); border-radius: 20px; background: var(--surface-3); }
.remember-track > span { width: 13px; height: 13px; border-radius: 50%; background: var(--text-dim); box-shadow: 0 1px 3px #0002; }
.remember-toggle[aria-checked="true"] .remember-track { border-color: var(--live); background: var(--live); }
.remember-toggle[aria-checked="true"] .remember-track > span { transform: translateX(14px); background: var(--brand-ink); }
#rememberLoginHint { margin-top: 2px; color: var(--text-faint); font-size: 10px; line-height: 1.7; }
.login-btn { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; min-height: 46px; margin-top: 4px; padding: 12px 14px; border: 1px solid var(--action); border-radius: 9px; background: var(--action); color: var(--on-action); box-shadow: inset 0 1px 0 #ffffff18, 0 2px 4px #0000000a; font-size: 12px; font-weight: 600; }
.login-btn:hover { filter: brightness(1.06); box-shadow: inset 0 1px 0 #ffffff18, 0 4px 12px #00000016; }
.login-btn.is-loading, .login-btn:disabled { opacity: .65; cursor: wait; }
.error-msg { margin-top: 16px; padding: 11px 12px; border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent); border-radius: 8px; background: color-mix(in srgb, var(--danger) 7%, transparent); color: var(--danger); font-size: 11px; line-height: 1.7; }
.login-footnote { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border-subtle); color: var(--text-faint); font-size: 9px; }
.login-footnote > svg { color: var(--live); flex-shrink: 0; }
.auth-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 20px; border-top: 1px solid var(--border-subtle); color: var(--text-faint); font-size: 10px; }
@media (prefers-reduced-motion: no-preference) {
  .auth-topbar, .auth-footer { animation: motion-fade 450ms var(--motion-ease); }
  .login-intro { animation: motion-enter 480ms var(--motion-ease); }
  .login-card { animation: motion-enter 420ms var(--motion-ease) 50ms backwards; }
  .auth-input > svg, .password-field > svg, .login-btn > svg { transition: color 180ms ease, transform 200ms var(--motion-ease); }
  .input-group input, .remember-track { transition: background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease; }
  .remember-track > span { transition: transform 180ms var(--motion-ease), background-color 180ms ease; }
}
@media (hover: hover) and (prefers-reduced-motion: no-preference) { .login-btn:not(:disabled):hover > svg { transform: translateX(3px); } }
@media (max-width: 1000px) { .auth-layout { gap: 40px; } .login-card { padding: 28px; } .login-intro h2 { font-size: 40px; } }
@media (min-width: 761px) and (max-height: 780px) { body { padding-block: 20px; } .auth-shell { min-height: calc(100dvh - 40px); } .auth-layout { padding-block: 28px; } .login-card { padding: 26px; } .login-card-icon { margin-bottom: 16px; width: 38px; height: 38px; } .login-header { margin-bottom: 20px; } .login-preview { margin-top: 26px; } }
@media (max-width: 760px) {
  body { padding: 20px 20px 24px; }
  .auth-shell { min-height: calc(100dvh - 44px); max-width: 450px; margin-inline: auto; }
  .auth-topbar { min-height: 38px; }
  .login-wordmark { font-size: 19px; }
  .login-symbol { width: 34px; height: 34px; border-radius: 9px; }
  .wordmark-note { display: none; }
  .auth-layout { flex: 1; grid-template-columns: minmax(0, 1fr); gap: 26px; align-content: center; padding: 32px 0; }
  .intro-kicker { margin-bottom: 12px; font-size: 8px; }
  .login-intro h2 { font-size: clamp(28px, 7.7vw, 35px); letter-spacing: -1.2px; }
  .login-intro h2 br { display: none; }
  .login-intro h2 > span::before { content: ' '; }
  .intro-description, .login-preview, .intro-caption { display: none; }
  .login-card { padding: 25px 23px; border-radius: 14px; }
  .login-card-icon { width: 38px; height: 38px; margin-bottom: 18px; border-radius: 10px; }
  .login-header h1 { font-size: 27px; }
  .input-group input { min-height: 48px; font-size: 16px; }
  .auth-tab { min-height: 40px; }
  .login-btn { min-height: 48px; }
  .password-field button { width: 40px; }
  .remember-toggle { min-height: 44px; }
  .auth-footer { padding-top: 14px; justify-content: center; font-size: 9px; }
  .auth-footer > span:last-child { display: none; }
}
@media (max-width: 360px) { body { padding-inline: 14px; } .login-card { padding-inline: 20px; } .auth-layout { gap: 22px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }