/* ==========================================================================
   Comepi ERP -- Shell (sidebar, topbar, rodape) e tela de login
   Depende dos tokens definidos em design-system.css.
   ========================================================================== */

body.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ---- Sidebar ---- */

.app-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--color-ink);
  color: var(--color-text-inverse);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 40;
  transition: transform .2s ease;
}

.app-sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-5) var(--space-4);
}
.app-sidebar__brand img { width: 32px; height: 32px; }
.app-sidebar__brand span {
  font-weight: 700;
  font-size: var(--text-lg);
  color: #fff;
  letter-spacing: 0.01em;
}

.app-sidebar__nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-2) var(--space-3) var(--space-4);
  scrollbar-width: thin;
  scrollbar-color: rgba(247, 243, 246, 0.28) transparent;
}
.app-sidebar__nav::-webkit-scrollbar { width: 6px; }
.app-sidebar__nav::-webkit-scrollbar-track { background: transparent; }
.app-sidebar__nav::-webkit-scrollbar-thumb {
  background: rgba(247, 243, 246, 0.28);
  border-radius: var(--radius-pill);
}
.app-sidebar__nav::-webkit-scrollbar-thumb:hover { background: rgba(247, 243, 246, 0.45); }

.app-nav-group__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(247,243,246,0.4);
  padding: var(--space-4) var(--space-3) var(--space-1);
}

.app-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.625rem var(--space-3);
  border-radius: var(--radius-md);
  color: rgba(247,243,246,0.78);
  font-size: var(--text-md);
  font-weight: 500;
  text-decoration: none;
  margin-bottom: 2px;
}
.app-nav-link .ph, .app-nav-link .ph-fill { font-size: 1.15rem; width: 1.25rem; text-align: center; }
.app-nav-link:hover { background: rgba(247,243,246,0.08); color: #fff; }
.app-nav-link.is-active { background: var(--color-brand); color: #fff; }

.app-nav-sub { padding-left: var(--space-5); }

.app-sidebar__user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid rgba(247,243,246,0.12);
}
.app-sidebar__user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--color-brand-soft);
  color: var(--color-brand-strong);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: var(--text-sm);
  flex-shrink: 0;
}
.app-sidebar__user-name { font-size: var(--text-sm); font-weight: 600; color: #fff; }
.app-sidebar__user-role { font-size: var(--text-xs); color: rgba(247,243,246,0.55); }

/* ---- Area principal ---- */

.app-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.app-topbar {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 0 var(--space-5);
  background: var(--color-surface-raised);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 30;
}

.app-topbar__menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.35rem;
  color: var(--color-text);
  cursor: pointer;
}

.app-topbar__actions { display: flex; align-items: center; gap: var(--space-2); }

.app-topbar__icon-btn {
  position: relative;
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 1.15rem;
  cursor: pointer;
}
.app-topbar__icon-btn:hover { background: var(--color-surface); color: var(--color-text); }
.app-topbar__icon-btn .dot {
  position: absolute; top: 6px; right: 7px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-brand);
  border: 2px solid var(--color-surface-raised);
}

.app-content {
  flex: 1;
  padding: var(--space-5);
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.app-footer {
  padding: var(--space-4) var(--space-5);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---- Responsivo: sidebar vira off-canvas ---- */

@media (max-width: 991px) {
  .app-sidebar { transform: translateX(-100%); }
  .app-sidebar.is-open { transform: translateX(0); box-shadow: var(--shadow-float); }
  .app-main { margin-left: 0; }
  .app-topbar__menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
}

.app-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(27,20,32,0.45);
  z-index: 35;
}
.app-sidebar-backdrop.is-open { display: block; }

/* ==========================================================================
   Login (split-screen)
   ========================================================================== */

body.auth-shell {
  min-height: 100vh;
  display: flex;
  background: var(--color-surface);
}

.auth-layout {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

.auth-layout__brand {
  flex: 1 1 46%;
  background: var(--color-ink);
  color: var(--color-text-inverse);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}

.auth-layout__brand-mark {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.auth-layout__brand-mark img { width: 40px; height: 40px; }
.auth-layout__brand-mark span { font-size: var(--text-xl); font-weight: 700; color: #fff; }

.auth-layout__brand-copy {
  max-width: 380px;
}
.auth-layout__brand-copy h2 {
  color: #fff;
  font-size: 1.75rem;
  line-height: 1.25;
  margin-bottom: var(--space-3);
}
.auth-layout__brand-copy p {
  color: rgba(247,243,246,0.7);
  font-size: var(--text-md);
}

.auth-layout__brand-flower {
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 320px;
  height: 320px;
  opacity: 0.14;
}

.auth-layout__brand-foot {
  font-size: var(--text-xs);
  color: rgba(247,243,246,0.45);
}

.auth-layout__form {
  flex: 1 1 54%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.auth-card { width: 100%; max-width: 380px; }
.auth-card--wide { max-width: 760px; }
.auth-card--wide .btn-ds--primary { width: auto; }
.auth-card h1 { font-size: var(--text-2xl); margin-bottom: var(--space-1); }
.auth-card__subtitle { color: var(--color-text-muted); font-size: var(--text-md); margin-bottom: var(--space-5); }

.auth-card .btn-ds--primary { width: 100%; padding: 0.75rem; font-size: var(--text-md); }

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-5) 0;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}
.auth-divider::before, .auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.auth-card__footer {
  margin-top: var(--space-5);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .auth-layout { flex-direction: column; }
  .auth-layout__brand { flex: 0 0 auto; padding: var(--space-5); }
  .auth-layout__brand-copy { display: none; }
  .auth-layout__brand-flower { display: none; }
  .auth-layout__form { padding: var(--space-5); }
}