:root {
  --ou-blue: #060645;
  --ou-mid-blue: #1c46c0;
  --ou-yellow: #fff488;
  --ou-light-blue: #66eefa;
  --ink: #060645;
  --line: #d7d9e8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(90deg, rgba(6, 6, 69, 0.055) 1px, transparent 1px),
    linear-gradient(rgba(6, 6, 69, 0.055) 1px, transparent 1px),
    #f6f7fb;
  background-size: 28px 28px;
}

.portal {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 28px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: stretch;
  width: min(1280px, 100%);
  padding: clamp(28px, 6vw, 64px);
  border: 1px solid var(--line);
  border-top: 12px solid var(--ou-blue);
  background: #fff;
  box-shadow: 0 24px 70px rgba(6, 6, 69, 0.14);
}

.hero-copy {
  min-width: 0;
}

.brand {
  display: inline-grid;
  justify-items: center;
  gap: 4px;
  padding: 6px 8px 5px;
  border: 2px solid var(--ou-yellow);
  background: #fff;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.18);
}

.brand img {
  width: 76px;
  height: 76px;
  object-fit: contain;
}

.brand span {
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.eyebrow {
  margin: 24px 0 8px;
  color: var(--ou-mid-blue);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 5.8rem);
  line-height: 0.95;
}

.lead {
  max-width: 720px;
  margin: 18px 0 32px;
  color: #4a4a62;
  font-size: 1.18rem;
  line-height: 1.5;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(170px, 1fr));
  gap: 14px;
  max-width: 880px;
}

.mode-card {
  display: grid;
  aspect-ratio: 1 / 1;
  min-height: 0;
  align-content: space-between;
  gap: 10px;
  padding: 22px;
  border: 3px solid var(--ou-mid-blue);
  color: var(--ink);
  background: linear-gradient(180deg, #eef3ff, #fff);
  text-decoration: none;
}

.mode-card.accent {
  border-color: #11765e;
  background: linear-gradient(180deg, #e9fff8, #fff);
}

.mode-card.workplace {
  border-color: #c75d00;
  background: linear-gradient(180deg, #fff5e8, #fff);
}

.mode-card:hover,
.mode-card:focus-visible {
  outline: 4px solid var(--ou-yellow);
}

.mode-card strong {
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
}

.mode-card span {
  color: #4a4a62;
  line-height: 1.45;
}

.login-panel,
.profile-card-large,
.profile-summary {
  border: 3px solid var(--ou-blue);
  background: #fff;
  box-shadow: 10px 10px 0 var(--ou-yellow);
}

.login-panel {
  align-self: stretch;
  padding: 24px;
}

.login-panel h2,
.profile-card-large h2 {
  margin: 0 0 10px;
  font-size: 1.7rem;
}

.login-panel p {
  margin: 0 0 18px;
  color: #4a4a62;
  line-height: 1.45;
}

form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

input,
textarea {
  width: 100%;
  border: 2px solid var(--line);
  border-radius: 0;
  padding: 12px 13px;
  color: var(--ink);
  font: inherit;
  font-weight: 650;
  background: #fff;
}

textarea {
  min-height: 160px;
  resize: vertical;
  line-height: 1.45;
}

input:focus,
textarea:focus {
  outline: 4px solid var(--ou-yellow);
  border-color: var(--ou-blue);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.button-row.vertical {
  display: grid;
}

.button-row.vertical label {
  margin-bottom: 2px;
}

.admin-menu {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 2px solid var(--line);
}

.admin-menu .eyebrow {
  margin-top: 0;
  margin-bottom: 10px;
}

button,
.link-button {
  min-height: 44px;
  border: 2px solid var(--ou-blue);
  padding: 10px 14px;
  color: var(--ou-blue);
  background: #fff;
  font: inherit;
  font-weight: 950;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.primary {
  color: #fff;
  background: var(--ou-blue);
}

.secondary {
  color: var(--ou-blue);
  background: var(--ou-yellow);
}

.plain {
  border-color: transparent;
  background: transparent;
  text-decoration: underline;
}

button:hover,
button:focus-visible,
.link-button:hover,
.link-button:focus-visible {
  outline: 4px solid var(--ou-light-blue);
}

.hidden {
  display: none !important;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 10;
  max-width: min(420px, calc(100vw - 44px));
  padding: 14px 16px;
  border: 2px solid var(--ou-blue);
  color: var(--ou-blue);
  background: var(--ou-yellow);
  font-weight: 900;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 160ms ease, transform 160ms ease;
  pointer-events: none;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.profile-page {
  min-height: 100vh;
  padding: 22px;
}

.profile-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  width: min(1280px, 100%);
  margin: 0 auto 22px;
  padding: 14px 0;
}

.profile-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.profile-header a,
.home-link {
  color: var(--ou-blue);
  font-weight: 950;
}

.profile-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.55fr) minmax(0, 1fr);
  gap: 22px;
  width: min(1280px, 100%);
  margin: 0 auto;
}

.profile-summary,
.profile-card-large {
  padding: 24px;
}

.profile-summary {
  align-self: start;
}

.profile-summary h1 {
  margin-top: 0;
  font-size: clamp(2rem, 5vw, 4.3rem);
}

.profile-summary p {
  color: #4a4a62;
  font-weight: 800;
}

.profile-card-large {
  min-width: 0;
}

.room-list {
  display: grid;
  gap: 12px;
}

.room-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 14px;
  border: 2px solid var(--line);
}

.room-item div {
  display: grid;
  gap: 4px;
}

.room-item span,
.empty-state {
  color: #4a4a62;
}

.site-footer {
  margin: 18px auto 0;
  color: #4a4a62;
  font-size: 0.82rem;
  font-weight: 800;
  text-align: center;
}

@media (max-width: 720px) {
  .portal {
    padding: 16px;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .mode-grid {
    grid-template-columns: 1fr;
  }

  .profile-header,
  .room-item {
    align-items: stretch;
    flex-direction: column;
  }

  .profile-layout {
    grid-template-columns: 1fr;
  }
}

.version-links {
  display: flex;
  justify-content: flex-start;
  margin: 0 0 18px;
}

.version-links a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 12px;
  border: 2px solid var(--ou-mid-blue);
  color: var(--ink);
  background: #fff;
  font-weight: 900;
  text-decoration: none;
}

.version-links a:hover,
.version-links a:focus-visible {
  outline: 4px solid var(--ou-yellow);
}



.version-section {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.version-label {
  width: fit-content;
  margin: 0;
  padding: 6px 10px;
  color: var(--ink);
  background: var(--ou-yellow);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}


.mode-card.version-two {
  border-color: var(--ou-blue);
  background: linear-gradient(180deg, #eaffff, #fff);
}