:root {
  --ink: #1f2933;
  --muted: #68717d;
  --paper: #f7f8fa;
  --panel: #ffffff;
  --line: #d9dee6;
  --accent: #1f6f59;
  --error: #9a3412;
  --success-bg: #edf7f2;
  --error-bg: #fff2ec;
  color-scheme: light;
  font-family: "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.verify-page {
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--paper);
}

.verify-shell {
  width: min(100%, 440px);
}

.verify-panel {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
  padding: 32px;
}

.verify-panel h1 {
  margin: 0 0 18px;
  font-size: clamp(1.8rem, 8vw, 2.5rem);
  line-height: 1.1;
}

.code-form {
  display: grid;
  gap: 12px;
}

.code-form label {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.code-form input {
  width: 100%;
  min-height: 68px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  font-size: clamp(2rem, 12vw, 3rem);
  font-weight: 800;
  letter-spacing: 0.2em;
  text-align: center;
  outline: none;
}

.code-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 111, 89, 0.16);
}

.code-form button,
.code-card button {
  min-height: 48px;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
}

.status-message {
  margin: 0 0 18px;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 14px 16px;
  background: #fff;
  color: var(--muted);
  font-weight: 700;
}

.status-message.success {
  border-color: rgba(18, 106, 90, 0.24);
  background: var(--success-bg);
  color: var(--accent);
}

.status-message.error {
  border-color: rgba(167, 51, 47, 0.22);
  background: var(--error-bg);
  color: var(--error);
}

.portal-page {
  background: var(--paper);
}

.app-frame {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  padding: 26px 18px;
}

.brand-mark {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  font-weight: 900;
}

.sidebar nav {
  display: grid;
  gap: 8px;
  margin-top: 36px;
}

.nav-item {
  border-radius: 4px;
  color: var(--muted);
  padding: 12px 14px;
  text-decoration: none;
  font-weight: 800;
}

.nav-item.active {
  background: var(--paper);
  color: var(--ink);
}

.workspace {
  display: grid;
  grid-template-rows: 78px 1fr;
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: #fff;
  padding: 0 30px;
}

.topbar strong {
  font-size: 1.08rem;
}

.profile-chip {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 900;
}

.portal-main {
  display: grid;
  align-content: start;
  justify-items: stretch;
  gap: 20px;
  padding: 36px;
}

.login-alert {
  display: flex;
  gap: 8px;
  align-items: center;
  width: min(100%, 760px);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 4px;
  background: #fff;
  padding: 12px 14px;
  color: var(--muted);
}

.login-alert strong {
  color: var(--ink);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 320px));
  align-items: start;
  gap: 18px;
}

.code-card {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
  padding: 22px;
  text-align: left;
}

.card-label {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
}

.current-code {
  margin: 12px 0 20px;
  color: var(--accent);
  font-size: clamp(2.8rem, 10vw, 4.2rem);
  font-weight: 900;
  letter-spacing: 0.08em;
}

.code-updated {
  min-height: 20px;
  margin: -8px 0 20px;
  color: var(--muted);
  font-size: 0.88rem;
}

.code-card button {
  width: 100%;
}

@media (max-width: 760px) {
  .app-frame {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .topbar {
    padding: 0 18px;
  }

  .portal-main {
    padding: 28px 18px;
  }

  .login-alert {
    display: grid;
  }
}