:root {
  color-scheme: light;
  --ink: #112333;
  --muted: #607383;
  --line: #dbe5e8;
  --surface: #ffffff;
  --canvas: #f4f8f7;
  --accent: #0b9585;
  --accent-dark: #087466;
  --soft: #e4f5f1;
  --danger: #b54444;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: var(--canvas); color: var(--ink); }
button, input { font: inherit; }
button { cursor: pointer; }
.shell { min-height: 100vh; }
.login-page { min-height: 100vh; display: grid; grid-template-columns: minmax(280px, .8fr) minmax(360px, 1.2fr); }
.login-intro { padding: clamp(2rem, 6vw, 6rem); display: flex; flex-direction: column; justify-content: space-between; background: #0d1826; color: white; }
.brand { display: flex; align-items: center; gap: .75rem; font-weight: 800; letter-spacing: -.02em; }
.brand-mark { width: 2.5rem; height: 2.5rem; border-radius: .8rem; background: var(--accent); display: grid; place-items: center; font-size: 1.35rem; }
.eyebrow { color: #70dbc8; text-transform: uppercase; font-weight: 800; letter-spacing: .12em; font-size: .76rem; }
.login-intro h1 { max-width: 22rem; margin: 1rem 0; font-size: clamp(2.3rem, 5vw, 4.5rem); line-height: .98; letter-spacing: -.055em; }
.login-intro p { max-width: 30rem; color: #b7cbd0; font-size: 1.05rem; line-height: 1.6; }
.login-note { color: #91abb0; font-size: .88rem; }
.login-panel { display: grid; place-items: center; padding: 2rem; }
.card { width: min(100%, 33rem); background: var(--surface); border: 1px solid var(--line); border-radius: 1.5rem; padding: clamp(1.5rem, 4vw, 2.75rem); box-shadow: 0 1.5rem 4rem rgba(28, 67, 74, .08); }
.card h2 { margin: 0 0 .5rem; font-size: 1.7rem; letter-spacing: -.03em; }
.subtle { color: var(--muted); line-height: 1.5; }
.field { display: grid; gap: .45rem; margin-top: 1.15rem; }
.field label { font-size: .88rem; font-weight: 700; }
.field input { width: 100%; border: 1px solid var(--line); border-radius: .75rem; padding: .85rem .95rem; color: var(--ink); background: #fbfdfd; }
.field input:focus { outline: 3px solid rgba(11, 149, 133, .18); border-color: var(--accent); }
.button { border: 0; border-radius: .8rem; padding: .9rem 1.1rem; font-weight: 800; transition: transform .15s, background .15s; }
.button:hover { transform: translateY(-1px); }
.button-primary { width: 100%; margin-top: 1.5rem; background: var(--accent); color: white; }
.button-primary:hover { background: var(--accent-dark); }
.button-quiet { background: transparent; color: var(--muted); padding-inline: 0; }
.status { margin-top: 1rem; border-radius: .75rem; padding: .8rem .9rem; font-size: .9rem; line-height: 1.4; }
.status.error { color: var(--danger); background: #fff1f1; }
.status.success { color: #126a5e; background: var(--soft); }
.dashboard { min-height: 100vh; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.1rem clamp(1rem, 4vw, 4rem); background: #0d1826; color: white; }
.topbar .button-quiet { color: #b7cbd0; }
.content { max-width: 1180px; margin: 0 auto; padding: clamp(1.25rem, 4vw, 4rem); }
.hero { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 2rem; }
.hero h1 { margin: .35rem 0 0; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1; letter-spacing: -.06em; }
.grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); gap: 1.25rem; }
.form-card h2 { font-size: 1.2rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
.tenant-code { margin-top: 1.5rem; padding: 1.3rem; border-radius: 1rem; background: var(--soft); border: 1px solid #b8e8df; }
.tenant-code strong { display: block; margin-top: .5rem; font: 800 1.8rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; color: #086e62; }
.tenant-code .button { margin-top: .8rem; background: white; color: var(--accent-dark); border: 1px solid #b8e8df; }
.info-card { background: #122333; color: white; border: 0; }
.info-card .subtle { color: #b7cbd0; }
.steps { display: grid; gap: 1rem; margin-top: 1.7rem; }
.step { display: grid; grid-template-columns: 2rem 1fr; gap: .8rem; align-items: start; }
.step-number { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: #2b4653; color: #70dbc8; font-weight: 800; }
.step strong { display: block; margin-bottom: .2rem; }
.step span { color: #b7cbd0; font-size: .9rem; line-height: 1.4; }

@media (max-width: 800px) {
  .login-page { grid-template-columns: 1fr; }
  .login-intro { min-height: 19rem; padding: 2rem; }
  .login-intro h1 { font-size: 2.7rem; }
  .login-note { margin-top: 2rem; }
  .grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .form-grid { grid-template-columns: 1fr; }
  .hero { display: block; }
  .topbar { padding-inline: 1rem; }
  .content { padding: 1rem; }
}