:root {
  --bg: #07111f;
  --panel: rgba(12, 22, 39, 0.84);
  --line: rgba(126, 168, 255, 0.22);
  --text: #e9f1ff;
  --muted: #a4b4d7;
  --accent: #6bd2ff;
  --accent-2: #89f0a2;
  --warn: #ffd166;
  --danger: #ff7b72;
  --shadow: 0 32px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Outfit", "Avenir Next", "Segoe UI", sans-serif;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(107, 210, 255, 0.16), transparent 28%),
    radial-gradient(circle at bottom right, rgba(137, 240, 162, 0.12), transparent 24%),
    linear-gradient(145deg, #07111f, #0c1a2d 45%, #112846 100%);
}

.auth-shell {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.auth-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, rgba(107, 210, 255, 0.22), rgba(255, 255, 255, 0.05));
  border: 1px solid var(--line);
}

.top-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ghost-link,
.primary-link {
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 14px;
}

.primary-link {
  background: linear-gradient(145deg, rgba(107, 210, 255, 0.18), rgba(107, 210, 255, 0.08));
}

.auth-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
}

.workflow-strip {
  margin-bottom: 22px;
  padding: 18px 20px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(12, 22, 39, 0.74);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.workflow-title {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.workflow-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.workflow-link {
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 14px;
  background: rgba(255, 255, 255, 0.04);
}

.workflow-link.active {
  background: linear-gradient(145deg, rgba(107, 210, 255, 0.2), rgba(107, 210, 255, 0.08));
  border-color: rgba(107, 210, 255, 0.36);
}

.context-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.context-card {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.context-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 6px;
}

.context-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.panel,
.tile,
.form-card,
.info-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  overflow: visible;
}

.panel,
.form-card,
.info-card {
  padding: 26px;
}

.eyebrow {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(107, 210, 255, 0.1);
  border: 1px solid rgba(107, 210, 255, 0.18);
}

h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 0.95;
  margin: 18px 0 16px;
}

.lead {
  color: var(--muted);
  line-height: 1.65;
  max-width: 60ch;
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.tile {
  padding: 18px;
}

.tile h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.tile p {
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 12px;
}

.tile-demo {
  border-color: rgba(137, 240, 162, 0.26);
  background:
    linear-gradient(145deg, rgba(137, 240, 162, 0.14), rgba(107, 210, 255, 0.06)),
    var(--panel);
}

.tile-demo .button-primary {
  width: 100%;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.stack {
  display: grid;
  gap: 16px;
}

.form-card h2,
.info-card h2 {
  margin-bottom: 12px;
}

.muted {
  color: var(--muted);
}

label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.field {
  position: relative;
  margin-bottom: 16px;
  z-index: 1;
}

.field:focus-within {
  z-index: 40;
}

input,
select,
textarea {
  width: 100%;
  padding: 13px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font: inherit;
}

textarea {
  min-height: 110px;
  resize: vertical;
}

.checkbox-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
  margin: 4px 0 18px;
  color: var(--muted);
  line-height: 1.45;
}

.checkbox-row input {
  width: auto;
  margin-top: 3px;
}

input::placeholder,
textarea::placeholder {
  color: #90a3ca;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

button,
.button {
  appearance: none;
  border: 0;
  cursor: pointer;
  padding: 12px 16px;
  border-radius: 14px;
  font: inherit;
  font-weight: 700;
}

.button-primary {
  background: linear-gradient(145deg, #1f8ef1, #1667d8);
  color: white;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border: 1px solid var(--line);
}

button:disabled {
  opacity: 0.58;
  cursor: wait;
}

.helper,
.feedback {
  font-size: 13px;
  margin-top: 8px;
}

.helper {
  color: var(--muted);
}

.search-results {
  display: none;
  position: absolute;
  top: calc(100% - 2px);
  left: 0;
  right: 0;
  z-index: 999;
  max-height: 240px;
  overflow-y: auto;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(8, 18, 31, 0.98);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.28);
  margin-top: 6px;
}

.search-results.open {
  display: block;
}

.search-option {
  width: 100%;
  padding: 12px 14px;
  text-align: left;
  background: transparent;
  color: var(--text);
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
  font: inherit;
}

.search-option:last-child {
  border-bottom: 0;
}

.search-option:hover,
.search-option:focus {
  background: rgba(107, 210, 255, 0.1);
  outline: none;
}

.feedback.good {
  color: var(--accent-2);
}

.feedback.warn {
  color: var(--warn);
}

.feedback.bad {
  color: var(--danger);
}

.code-box,
.list-box {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

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

.student-manager-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 0.5fr) minmax(220px, 0.44fr) minmax(0, 1fr);
  gap: 14px;
  align-items: end;
  margin-bottom: 18px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
}

.student-manager-toolbar p {
  margin-bottom: 0;
}

.generated-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.generated-item strong {
  display: block;
  margin-bottom: 4px;
}

.student-manager-item {
  align-items: stretch;
}

.student-manager-item.is-inactive {
  opacity: 0.78;
}

.student-manager-main {
  min-width: 0;
}

.student-manager-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 8px 0;
}

.student-manager-status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  font-size: 12px;
  font-weight: 700;
}

.student-manager-status.good {
  color: var(--accent-2);
  border-color: rgba(137, 240, 162, 0.28);
}

.student-manager-status.warn {
  color: var(--warn);
  border-color: rgba(255, 209, 102, 0.3);
}

.student-manager-status.bad {
  color: var(--danger);
  border-color: rgba(255, 123, 114, 0.32);
}

.student-manager-actions {
  width: min(100%, 360px);
  display: grid;
  align-content: start;
  gap: 10px;
}

.student-manager-actions label {
  margin-bottom: 0;
}

.student-manager-actions .button-row {
  margin-top: 0;
}

.student-manager-actions input {
  border-radius: 10px;
}

.button-danger {
  background: rgba(255, 123, 114, 0.12);
  border: 1px solid rgba(255, 123, 114, 0.32);
  color: #ffd4d1;
}

.button-warning {
  background: rgba(255, 209, 102, 0.12);
  border: 1px solid rgba(255, 209, 102, 0.3);
  color: #ffe8a8;
}

.small-note {
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .auth-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .auth-shell {
    width: min(100% - 20px, 1160px);
  }

  .student-manager-toolbar,
  .generated-item {
    grid-template-columns: 1fr;
  }

  .generated-item {
    display: grid;
  }

  .student-manager-actions {
    width: 100%;
  }

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

  .top-links {
    width: 100%;
  }
}