body { font-family: sans-serif; margin: 0; padding: 1rem; background: #f5f5f5; color: #222; }
h1 { font-size: 1.2rem; }
.banner { background: #fff3cd; border: 1px solid #ffe69c; padding: 0.5rem; margin-bottom: 1rem; }
.task { background: #fff; border: 1px solid #ddd; border-radius: 4px; padding: 0.75rem; margin-bottom: 0.5rem; }
.task.overdue { border-color: #dc3545; }
.task button { margin-top: 0.5rem; }
section { display: none; padding-bottom: 4rem; }
section.active { display: block; }
.checklist-item { background: #fff; border: 1px solid #ddd; border-radius: 4px; padding: 0.5rem; margin-bottom: 0.5rem; }
.checklist-item textarea { width: 100%; margin-top: 0.25rem; }
#reading-form input, #reading-form select, #reading-form textarea,
#meter-create-form input, #meter-create-form select {
  width: 100%; margin-top: 0.5rem; box-sizing: border-box;
}
#bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: none;
  justify-content: space-around;
  background: #fff;
  border-top: 1px solid #ddd;
  padding: 0.5rem 0;
}
#bottom-nav button { background: none; border: none; font-size: 0.9rem; padding: 0.25rem 0.5rem; }
#bottom-nav button.active { font-weight: bold; color: #2c3e50; }
#logout-button, #manager-logout-button { margin-top: 1rem; }

/* Экран входа: сплит-макет (брендовая панель + карточка входа через Bitrix24) */
#login-screen {
  margin: -1rem -1rem 0;
  min-height: 100dvh;
  padding-bottom: 0;
}
#login-screen.active { display: flex; flex-direction: column; }

.login-layout {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.login-brand {
  background: linear-gradient(160deg, #0f172a 0%, #1e293b 55%, #0369a1 130%);
  color: #fff;
  padding: 2.5rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
}
.login-brand-logo { display: flex; align-items: center; gap: 0.6rem; font-size: 1.15rem; font-weight: 700; }
.login-brand-tagline { margin: 1rem 0 1.5rem; color: rgba(255,255,255,0.82); line-height: 1.5; max-width: 34ch; }
.login-brand-features { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.9rem; }
.login-brand-features li { display: flex; align-items: center; gap: 0.7rem; color: rgba(255,255,255,0.92); }
.login-brand-features svg { flex-shrink: 0; }
.login-brand-illustration { display: block; width: 100%; height: 70px; }

.login-card { display: flex; justify-content: center; padding: 2rem 1.25rem 2.5rem; background: #f8fafc; }
.login-card-inner { width: 100%; max-width: 360px; }
.login-card-inner h2 { margin: 0 0 0.5rem; font-size: 1.35rem; color: #0f172a; }
.login-card-subtitle { margin: 0 0 1.75rem; color: #475569; line-height: 1.5; }

.login-bitrix-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: linear-gradient(135deg, #2fc7f7, #0092e4);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  box-sizing: border-box;
  transition: filter 200ms ease-out, transform 150ms ease-out;
}
.login-bitrix-button:hover { filter: brightness(1.08); }
.login-bitrix-button:active { transform: scale(0.98); }
.login-bitrix-button:focus-visible { outline: 3px solid #0369a1; outline-offset: 2px; }

.login-security-note {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 1.1rem 0 0;
  color: #64748b;
  font-size: 0.85rem;
  line-height: 1.4;
}
.login-security-note svg { flex-shrink: 0; }

.login-footer { text-align: center; color: #94a3b8; font-size: 0.8rem; padding: 0 1rem 1.25rem; background: #f8fafc; margin: 0; }

@media (min-width: 768px) {
  .login-layout { flex-direction: row; }
  .login-brand { flex: 1 1 50%; padding: 3.5rem 3rem; }
  .login-brand-tagline { font-size: 1.05rem; }
  .login-card { flex: 1 1 50%; align-items: center; padding: 3rem; }
  .login-footer { background: #f8fafc; }
}