:root {
  --ink: #1f2a37;
  --muted: #64748b;
  --panel: #ffffff;
  --line: #e2e8f0;
  --accent: #1976d2;
  --accent-strong: #0f5ca8;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.15);
}

* {
  box-sizing: border-box;
}

body.auth-body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--ink);
  background: #e6e9ef url("/static/main_vivet/images/bg.png") center / cover no-repeat fixed;
  position: relative;
  overflow: hidden;
}

body.auth-body a,
body.auth-body button,
body.auth-body input[type="button"],
body.auth-body input[type="submit"],
body.auth-body input[type="reset"] {
  cursor: pointer;
}

.auth-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 20px 48px;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  justify-content: center;
  text-align: center;
}

.auth-mark {
  width: 48px;
  height: 48px;
  object-fit: contain;
  filter: drop-shadow(0 10px 22px rgba(15, 23, 42, 0.2));
}

.auth-brand span {
  font-weight: 400;
  font-size: 1.6rem;
  letter-spacing: 0.01em;
  text-transform: none;
  color: #111111;
}

.auth-card {
  background: var(--panel);
  padding: 28px 32px 30px;
  width: min(520px, 92vw);
  border-radius: 5px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(4px);
}

.auth-card h1 {
  margin: 0 0 6px;
  font-size: 1.5rem;
}

.auth-card p.lead {
  margin: 0 0 20px;
  color: var(--muted);
}

.auth-field {
  margin-bottom: 14px;
}

.auth-field label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: #334155;
}

.auth-field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  font-size: 0.95rem;
}

.auth-field select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  font-size: 0.95rem;
  background: #fff;
}

.auth-field textarea {
  width: 100%;
  min-height: 140px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  font-size: 0.95rem;
  font-family: inherit;
}

.auth-field input:focus,
.auth-field select:focus,
.auth-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.15);
}

.auth-check {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 6px 0 14px;
  color: #334155;
  font-size: 0.9rem;
}

.auth-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.auth-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  flex-wrap: wrap;
  gap: 12px;
}

.auth-actions.tight {
  justify-content: flex-start;
  margin-top: 12px;
}

.auth-section {
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 16px;
  margin-top: 16px;
  background: #f8fafc;
}

.auth-section h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.auth-section p {
  margin: 0;
  color: var(--muted);
}

.auth-actions a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
}

.auth-actions a:hover {
  text-decoration: underline;
}

.auth-card a {
  color: var(--accent);
  text-decoration: none;
}

.auth-card a:hover {
  text-decoration: underline;
}

.auth-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: grid;
  gap: 8px;
}

.auth-card ul li a {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #f8fafc;
  color: var(--ink);
  font-size: 0.92rem;
}

.auth-card ul li a:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.auth-card hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 18px 0;
}

.auth-card form p {
  margin: 0 0 14px;
}

.auth-card form p label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: #334155;
}

.auth-choice-group {
  display: grid;
  gap: 10px;
  margin: 12px 0 16px;
}

.auth-choice {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #f8fafc;
}

.auth-choice input[type="radio"],
.auth-choice input[type="checkbox"] {
  margin: 0;
}

.auth-provider-list {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.auth-provider-list a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #f8fafc;
  color: var(--ink);
  font-size: 0.95rem;
}

.auth-provider-list a:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.auth-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 5px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(25, 118, 210, 0.25);
}

.auth-btn:hover {
  background: var(--accent-strong);
}

.auth-panel {
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 16px;
  margin-top: 16px;
  background: #f8fafc;
}

.auth-panel h3 {
  margin: 0 0 8px;
}

.auth-panel table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.auth-panel th,
.auth-panel td {
  text-align: left;
  padding: 8px 6px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.auth-panel th {
  color: #475569;
  font-weight: 600;
}

.auth-panel tr:last-child td {
  border-bottom: none;
}

.auth-btn.secondary {
  background: #eef2f7;
  color: #1f2a37;
  box-shadow: none;
}

.auth-link-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.auth-list {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.auth-code-block {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 12px;
  font-family: "Courier New", monospace;
  font-size: 0.95rem;
  white-space: pre-line;
}

.auth-note {
  margin-top: 18px;
  font-size: 0.9rem;
  color: var(--muted);
}

.auth-errors {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  padding: 10px 12px;
  border-radius: 5px;
  margin-bottom: 16px;
}

.auth-message {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e3a8a;
  padding: 10px 12px;
  border-radius: 5px;
  margin-bottom: 16px;
}

@media (max-width: 520px) {
  .auth-card {
    padding: 24px;
  }
}