:root {
  --aa-bg: #f4f5f7;
  --aa-card: #ffffff;
  --aa-text: #1f2937;
  --aa-muted: #6b7280;
  --aa-border: #e5e7eb;
  --aa-primary: #f27435;
  --aa-primary-dark: #d95f28;
  --aa-success: #166534;
  --aa-danger: #b91c1c;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: "Inter", Arial, sans-serif;
  background: radial-gradient(circle at top right, #fff6f1, var(--aa-bg) 60%);
  color: var(--aa-text);
  display: grid;
  place-items: center;
  padding: 20px;
}

.auth-shell {
  width: min(440px, 100%);
  background: var(--aa-card);
  border: 1px solid var(--aa-border);
  border-radius: 14px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.07);
  overflow: hidden;
}

.auth-topbar {
  background: var(--aa-primary);
  color: #fff;
  padding: 11px 16px;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-align: center;
}

.auth-main { padding: 24px; }
.auth-title { margin: 0; font-size: 28px; font-weight: 900; letter-spacing: -.02em; }
.auth-sub { margin: 8px 0 20px; color: var(--aa-muted); font-size: 14px; }

.auth-row { margin-bottom: 14px; }
.auth-row label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--aa-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.auth-row input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--aa-border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
}

.auth-row input:focus {
  outline: 2px solid rgba(242, 116, 53, 0.25);
  border-color: var(--aa-primary);
}

.auth-actions { display: flex; gap: 10px; margin-top: 18px; }
.auth-btn {
  border: 0;
  border-radius: 10px;
  min-height: 42px;
  padding: 10px 14px;
  font-weight: 800;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.auth-btn.primary { background: var(--aa-primary); color: #fff; flex: 1; }
.auth-btn.primary:hover { background: var(--aa-primary-dark); }
.auth-btn.secondary { background: #fff; color: var(--aa-text); border: 1px solid var(--aa-border); }

.auth-foot {
  margin-top: 16px;
  font-size: 13px;
  color: var(--aa-muted);
}

.auth-foot a { color: var(--aa-primary-dark); font-weight: 700; text-decoration: none; }
.auth-foot a:hover { text-decoration: underline; }

.auth-note {
  margin-top: 18px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.4;
  background: #f9fafb;
  border: 1px solid var(--aa-border);
  color: var(--aa-muted);
}

.auth-msg {
  margin-top: 8px;
  font-size: 13px;
  min-height: 18px;
}

.auth-msg.ok { color: var(--aa-success); }
.auth-msg.err { color: var(--aa-danger); }