:root { font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--arx-charcoal); background: var(--arx-gray-light); font-synthesis: none; --ink: var(--arx-charcoal); --muted: var(--arx-text-muted); --accent: var(--arx-blue-ink); }
* { box-sizing: border-box; }
body { margin: 0; }
.hidden, [hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button, summary { cursor: pointer; }
button { font: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--arx-blue-ink); outline-offset: 5px; }
.topbar { min-height: 82px; padding: 20px clamp(24px, 4vw, 72px); display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--arx-border); background: var(--arx-white); gap: 20px; }
.brand { display: flex; align-items: center; gap: 24px; font-size: 14px; font-weight: 500; }
.brand span { border-left: 1px solid var(--arx-border); padding-left: 24px; }
.account-menu { position: relative; font-size: 13px; }
.account-menu summary { display: flex; align-items: center; gap: 10px; list-style: none; }
.account-menu summary::-webkit-details-marker { display: none; }
.avatar { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--arx-blue-soft); color: var(--arx-blue-ink); font-weight: 600; }
.account-dropdown { position: absolute; top: 45px; right: 0; z-index: 2; display: grid; gap: 16px; padding: 20px; background: var(--arx-white); border: 1px solid var(--arx-border); border-radius: 12px; box-shadow: 0 12px 30px rgba(34, 34, 34, 0.08); }
main { max-width: 1440px; margin: 0 auto; padding: 64px clamp(24px, 4vw, 72px) 24px; }
.eyebrow { font-size: 11px; letter-spacing: .14em; font-weight: 700; color: var(--accent); margin: 0 0 20px; }
h1 { color:var(--arx-blue); font-size: clamp(32px, 3.3vw, 48px); line-height: 1.12; letter-spacing: -.04em; font-weight: 500; margin: 0 0 18px; }
.intro-copy { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.6; }
.access-state { color: var(--muted); font-size: 13px; margin-top: 22px; }
.modules { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 40px; }
.module { min-height: 386px; display: flex; flex-direction: column; padding: 30px; border: 1px solid var(--arx-border); border-radius: 18px; background: var(--arx-white); }
.module-mind { background: var(--arx-blue-soft); border-color: var(--arx-blue-border); border-top: 3px solid var(--arx-blue); color: var(--arx-charcoal); }
.module-mind h2 { color: var(--arx-blue); }
.module-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; min-height: 26px; }
.module-number { font-size: 10px; letter-spacing: .12em; font-weight: 600; color: var(--muted); }
.module-mind .module-number { color: var(--arx-text-secondary); }
.module-symbol { font-size: 23px; color: var(--accent); line-height: 1; }
.module-mind .module-symbol { color: var(--arx-blue); }
.module-body { margin: 32px 0 26px; }
.module h2 { margin: 0 0 12px; font-size: 32px; letter-spacing: -.035em; font-weight: 500; }
.module-body > p { font-size: 14px; line-height: 1.5; margin: 0; }
.module-body .module-description { color: var(--muted); margin-top: 16px; font-size: 13px; line-height: 1.7; }
.module-mind .module-description { color: var(--arx-text-secondary); }
.module-output { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--arx-border); }
.module-output > span { font-size: 9px; font-weight: 600; letter-spacing: .12em; color: var(--muted); }
.module-output p { font-size: 12px; line-height: 1.5; margin: 8px 0 22px; }
.module-mind .module-output { border-color: var(--arx-blue-border); }
.module-mind .module-output > span { color: var(--arx-text-secondary); }
.module-link { display: flex; align-items: center; justify-content: space-between; border-radius: 8px; background: var(--arx-blue-soft); color: var(--arx-blue-ink); font-size: 13px; font-weight: 600; padding: 13px 16px; }
.module-link:hover { background: var(--arx-blue-border); }
.module-mind .module-link { background: var(--arx-blue-ink); color: var(--arx-white); }
.module-mind .module-link:hover { background: var(--arx-blue-hover); }
.module-access { font-size: 12px; line-height: 1.5; margin: 0; padding: 12px 0; color: var(--muted); }
.module-mind .module-access { color: var(--arx-text-secondary); }
.module-purchasing { background: var(--arx-gray-light); }
.planned { font-size: 10px; padding: 5px 8px; border: 1px solid var(--arx-border-strong); border-radius: 20px; color: var(--arx-text-secondary); }
.workspace-tools { margin-top: 42px; display: flex; align-items: center; gap: 24px; justify-content: space-between; padding: 26px 0; border-top: 1px solid var(--arx-border); }
.workspace-tools h2 { font-size: 14px; margin: 0 0 8px; font-weight: 600; }
.workspace-tools p { color: var(--muted); font-size: 12px; margin: 0; }
.workspace-tools nav { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.tool-link { padding: 10px 13px; font-size: 12px; border: 1px solid var(--arx-border); background: var(--arx-white); border-radius: 7px; }
.tool-link:hover { color: var(--accent); border-color: var(--arx-blue); }
footer { display: flex; justify-content: space-between; gap: 12px; padding-top: 26px; color: var(--arx-text-muted); font-size: 10px; }
.login-screen { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(100%, 500px); background: var(--arx-white); border: 1px solid var(--arx-border); border-radius: 22px; padding: 48px; }
.login-card .eyebrow { margin-top: 44px; }
.login-card > p:not(.eyebrow) { color: var(--muted); line-height: 1.6; font-size: 14px; }
.primary-button { display: flex; justify-content: space-between; gap: 24px; width: 100%; border: 0; border-radius: 8px; padding: 16px 20px; margin-top: 30px; background: var(--arx-blue-ink); color: var(--arx-white); font-size: 13px; font-weight: 600; }
.primary-button:hover { background: var(--arx-blue-hover); }
.text-button { color: var(--accent); background: none; border: 0; padding: 0; text-align: left; font-size: 13px; }
#dev-login-wrap { margin-top: 20px; }
@media (max-width: 960px) { .module { padding: 22px; } .modules { gap: 14px; } .workspace-tools { align-items: flex-start; } }
@media (max-width: 720px) { main { padding-top: 38px; } .modules { grid-template-columns: 1fr; gap: 18px; margin-top: 30px; } .module { min-height: auto; padding: 28px; } .module-body { margin-top: 24px; } .workspace-tools { flex-direction: column; } .workspace-tools nav { justify-content: flex-start; } footer { flex-direction: column; } .topbar { padding: 16px 24px; } #user-name { display: none; } .brand { gap: 14px; } .brand span { padding-left: 14px; } .login-card { padding: 32px; } }
@media (prefers-reduced-motion: no-preference) { .module-link, .tool-link { transition: background .15s, border-color .15s; } }