:root {
  --color-primary: #7c3aed;
  --color-primary-dark: #5b21b6;
  --color-secondary: #6366f1;
  --color-background: #faf5ff;
  --color-surface: #ffffff;
  --color-foreground: #0f172a;
  --color-muted-text: #526075;
  --color-border: #e7def8;
  --color-error: #b91c1c;
  --color-success: #166534;
  --color-ring: #7c3aed;
  --shadow-card: 0 24px 70px rgba(76, 29, 149, .14);
  font-family: "Plus Jakarta Sans", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--color-foreground);
  background: var(--color-background);
}

* { box-sizing: border-box; }

html { min-width: 320px; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background:
    radial-gradient(circle at 8% 12%, rgba(124, 58, 237, .12), transparent 34rem),
    radial-gradient(circle at 90% 88%, rgba(99, 102, 241, .12), transparent 30rem),
    var(--color-background);
}

button, input { font: inherit; }

button { cursor: pointer; touch-action: manipulation; }

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 10;
  padding: 10px 14px;
  color: #fff;
  background: var(--color-primary-dark);
  border-radius: 8px;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.shell {
  width: min(1120px, calc(100% - 40px));
  min-height: calc(100dvh - 64px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  align-items: center;
  gap: 80px;
  padding: 48px 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 36px;
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(124, 58, 237, .24);
}

.brand-mark svg { width: 28px; fill: currentColor; }

.eyebrow, .kicker, .status-label {
  margin: 0 0 12px;
  color: var(--color-primary-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
}

h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1.08;
  letter-spacing: -.04em;
}

.lead {
  max-width: 620px;
  margin: 24px 0 32px;
  color: var(--color-muted-text);
  font-size: 18px;
  line-height: 1.75;
}

.benefits {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.benefits li {
  display: flex;
  align-items: center;
  gap: 14px;
  line-height: 1.55;
}

.benefits span {
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 800;
}

.domain { margin-top: 32px; color: var(--color-muted-text); font-size: 13px; }

.auth-card {
  padding: 38px;
  background: rgba(255, 255, 255, .94);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(20px);
}

.mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  margin-bottom: 34px;
  background: #f3effb;
  border-radius: 12px;
}

.tab {
  min-height: 44px;
  padding: 8px 14px;
  color: var(--color-muted-text);
  background: transparent;
  border: 0;
  border-radius: 9px;
  font-weight: 700;
}

.tab.active {
  color: var(--color-primary-dark);
  background: var(--color-surface);
  box-shadow: 0 2px 8px rgba(76, 29, 149, .08);
}

.heading h2, .signed-in h2 { margin: 0; font-size: 28px; letter-spacing: -.02em; }
.heading > p:last-child { margin: 10px 0 28px; color: var(--color-muted-text); line-height: 1.6; }

.field { margin-bottom: 18px; }
.field label { display: block; margin-bottom: 8px; font-size: 14px; font-weight: 700; }

.field input {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  color: var(--color-foreground);
  background: #fff;
  border: 1px solid #cfc6df;
  border-radius: 10px;
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.field input:focus {
  border-color: var(--color-ring);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, .16);
}

.password-wrap { position: relative; }
.password-wrap input { padding-right: 66px; }

.password-toggle {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 54px;
  min-height: 44px;
  color: var(--color-primary-dark);
  background: transparent;
  border: 0;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
}

.hint { margin: 7px 0 0; color: var(--color-muted-text); font-size: 12px; line-height: 1.5; }
.form-message { min-height: 24px; margin: 4px 0 12px; color: var(--color-error); font-size: 14px; line-height: 1.5; }

.primary-button {
  width: 100%;
  min-height: 48px;
  padding: 11px 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border: 0;
  border-radius: 10px;
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(124, 58, 237, .22);
  transition: filter 180ms ease, opacity 180ms ease;
}

.primary-button:hover { filter: brightness(.95); }
.primary-button:active { filter: brightness(.88); }
.primary-button:disabled { cursor: wait; opacity: .55; }

.secondary-auth-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 10px;
  color: var(--color-primary-dark);
  border-radius: 9px;
  font-weight: 700;
  text-decoration: none;
}

.secondary-auth-link:hover { background: #f5f1fc; }

.text-button {
  width: 100%;
  min-height: 44px;
  margin-top: 10px;
  color: var(--color-muted-text);
  background: transparent;
  border: 0;
  border-radius: 8px;
}

button:focus-visible { outline: 3px solid rgba(124, 58, 237, .35); outline-offset: 2px; }

.signed-in dl { margin: 28px 0; }
.signed-in dl div { display: grid; grid-template-columns: 72px 1fr; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--color-border); }
.signed-in dt { color: var(--color-muted-text); }
.signed-in dd { margin: 0; overflow-wrap: anywhere; font-weight: 700; }
.hidden { display: none !important; }

body.workspace-mode .shell {
  display: block;
  width: min(1440px, calc(100% - 32px));
  padding-top: 20px;
}

body.workspace-mode .intro { display: none; }
body.workspace-mode .skip-link { display: none; }

body.workspace-mode .auth-card {
  width: 100%;
  min-height: calc(100dvh - 108px);
  padding: 0;
  overflow: hidden;
}

.workspace-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--color-border);
}

.workspace-header h2 { margin: 0; font-size: 26px; }
.workspace-identity { display: flex; align-items: center; gap: 12px; font-weight: 700; }
.text-button.compact { width: auto; min-width: 54px; margin: 0; padding: 0 10px; }

.workspace-nav {
  display: grid;
  grid-template-columns: repeat(5, minmax(110px, 1fr));
  gap: 6px;
  padding: 10px 16px;
  overflow-x: auto;
  background: #faf8fe;
  border-bottom: 1px solid var(--color-border);
}

.workspace-nav-button {
  min-height: 44px;
  padding: 8px 14px;
  color: var(--color-muted-text);
  background: transparent;
  border: 0;
  border-radius: 9px;
  font-weight: 750;
  white-space: nowrap;
}

.workspace-nav-button[aria-current="page"] {
  color: var(--color-primary-dark);
  background: #fff;
  box-shadow: 0 3px 14px rgba(76, 29, 149, .1);
}

.workspace-content { padding: 30px; }
.workspace-view { animation: view-in 180ms ease-out; }

@keyframes view-in {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.view-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.view-heading h3 { margin: 0; font-size: clamp(24px, 3vw, 34px); letter-spacing: -.025em; }
.compact-primary { width: auto; min-width: 148px; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.metric-grid article {
  min-height: 116px;
  padding: 20px;
  background: linear-gradient(145deg, #fff, #faf7ff);
  border: 1px solid var(--color-border);
  border-radius: 16px;
}

.metric-grid span { display: block; color: var(--color-muted-text); font-size: 13px; }
.metric-grid strong { display: block; margin-top: 14px; font-size: 27px; font-variant-numeric: tabular-nums; }

.module-list {
  display: grid;
  gap: 10px;
}

.module-list article {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

.module-list span { color: var(--color-muted-text); text-align: right; }
.feature-grid { grid-template-columns: repeat(2, 1fr); }
.feature-grid article { display: block; min-height: 104px; }
.feature-grid span { display: block; margin-top: 10px; text-align: left; line-height: 1.55; }

.inline-form {
  display: grid;
  grid-template-columns: 1.6fr .8fr auto;
  align-items: end;
  gap: 12px;
  margin-top: 22px;
  padding: 18px;
  background: #faf8fe;
  border: 1px solid var(--color-border);
  border-radius: 14px;
}

.inline-form label { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 700; }
.inline-form input {
  width: 100%;
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid #cfc6df;
  border-radius: 9px;
}
.assistant-form { grid-template-columns: 1fr auto; }

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 22px;
  padding: 10px 20px;
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 10px;
  font-weight: 800;
  text-decoration: none;
}

footer {
  min-height: 64px;
  padding: 20px;
  color: var(--color-muted-text);
  text-align: center;
  font-size: 12px;
}

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; gap: 44px; padding-top: 40px; }
  .intro { text-align: center; }
  .brand-mark { margin-inline: auto; }
  .lead, .benefits { margin-inline: auto; }
  .benefits { width: fit-content; text-align: left; }
  .auth-card { width: min(520px, 100%); margin-inline: auto; }
}

@media (max-width: 720px) {
  .shell { width: min(100% - 28px, 520px); gap: 28px; padding: 24px 0; }
  .intro { text-align: left; }
  .brand-mark { width: 44px; height: 44px; margin: 0 0 24px; }
  h1 { font-size: clamp(34px, 11vw, 48px); }
  .lead { margin: 18px 0 24px; font-size: 16px; }
  .benefits { width: auto; margin: 0; }
  .domain { margin-top: 24px; }
  .auth-card { padding: 24px 20px; border-radius: 18px; }
  .heading h2, .signed-in h2 { font-size: 24px; }
  body.workspace-mode .shell { width: 100%; padding: 0; }
  body.workspace-mode .auth-card { min-height: 100dvh; border-radius: 0; }
  .workspace-header { padding: 18px 16px; }
  .workspace-header h2 { font-size: 21px; }
  .workspace-identity > span { display: none; }
  .workspace-nav { grid-template-columns: repeat(5, minmax(96px, 1fr)); padding-inline: 10px; }
  .workspace-content { padding: 22px 14px 40px; }
  .view-heading { align-items: flex-start; flex-direction: column; }
  .compact-primary { width: 100%; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .metric-grid article { min-height: 100px; padding: 16px; }
  .feature-grid { grid-template-columns: 1fr; }
  .module-list article { display: block; }
  .module-list span { display: block; margin-top: 8px; text-align: left; }
  .inline-form, .assistant-form { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

.admin-body { min-height: 100dvh; }
.admin-shell { width: min(1280px, calc(100% - 32px)); margin: 0 auto; padding: 32px 0; }
.admin-login {
  width: min(480px, 100%);
  margin: 8vh auto 0;
  padding: 38px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 22px;
  box-shadow: var(--shadow-card);
}
.admin-login h1 { font-size: 38px; }
.admin-login .lead { margin-bottom: 26px; font-size: 16px; }
.admin-dashboard {
  min-height: calc(100dvh - 64px);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.admin-content { padding: 28px; }
.admin-grid { display: grid; grid-template-columns: 1.5fr .7fr; gap: 20px; }
.admin-grid > section, .admin-grid > aside {
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
}
.admin-grid h3 { margin-top: 0; }
.tenant-list { display: grid; gap: 8px; }
.tenant-list article {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px;
  background: #faf8fe;
  border-radius: 10px;
}
.tenant-list article div { display: grid; gap: 5px; min-width: 0; }
.tenant-list article span { color: var(--color-muted-text); overflow-wrap: anywhere; }
.tenant-status { padding: 5px 9px; border-radius: 999px; font-size: 12px; font-weight: 800; }
.tenant-status.enabled { color: #166534; background: #dcfce7; }
.tenant-status.disabled { color: #991b1b; background: #fee2e2; }
.admin-capabilities { padding-left: 20px; line-height: 2; }

@media (max-width: 720px) {
  .admin-shell { width: 100%; padding: 0; }
  .admin-login { margin: 0; min-height: 100dvh; padding: 28px 20px; border-radius: 0; }
  .admin-dashboard { min-height: 100dvh; border-radius: 0; }
  .admin-content { padding: 20px 14px; }
  .admin-grid { grid-template-columns: 1fr; }
}