/* =====================================================
   layout.css
   App shell layout: sidebar navigation + top navbar.
   ===================================================== */

/* ── App shell: sidebar + main side by side ── */
#screen-app {
  display: none;
  flex-direction: row;
  min-height: 100vh;
}

#screen-app.active { display: flex; }

/* ════════════════════════════════════════
   SIDEBAR
════════════════════════════════════════ */
.sidebar {
  width: var(--sidebar-w);
  background: var(--white);
  border-right: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
}

/* ── Logo block ── */
.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo-icon {
  width: 30px;
  height: 30px;
  background: var(--blue);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-d);
  flex-shrink: 0;
}

.sidebar-logo-name {
  font-family: var(--font-d);
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
}

/* ── Navigation ── */
.sidebar-nav {
  flex: 1;
  padding: 12px;
  overflow-y: auto;
}

.nav-group        { margin-bottom: 4px; }

.nav-group-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--gray-400);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 8px 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.15s;
  margin-bottom: 1px;
  user-select: none;
}

.nav-link:hover  { background: var(--gray-100); color: var(--gray-900); }

.nav-link.active {
  background: var(--blue-light);
  color: var(--blue);
  font-weight: 600;
}

.nav-icon { width: 18px; text-align: center; font-size: 15px; flex-shrink: 0; }

/* Notification badge on nav item */
.nav-badge {
  margin-left: auto;
  background: var(--blue);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 20px;
}

/* ── Bottom: user info + logout ── */
.sidebar-bottom {
  padding: 16px;
  border-top: 1px solid var(--gray-100);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s;
}

.sidebar-user:hover { background: var(--gray-100); }

.sidebar-user-info .name {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-900);
}

.sidebar-user-info .role {
  font-size: 11px;
  color: var(--gray-400);
}

/* ── User avatar circle ── */
.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), #7C3AED);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

/* ════════════════════════════════════════
   MAIN CONTENT AREA
════════════════════════════════════════ */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Top navbar ── */
.topbar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 0 28px;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left  { display: flex; align-items: center; gap: 16px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }

.topbar-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
  font-family: var(--font-d);
}

/* ── Search box ── */
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  width: 240px;
}

.search-box input {
  background: none;
  border: none;
  outline: none;
  font-size: 13px;
  color: var(--gray-700);
  width: 100%;
}

.search-box input::placeholder { color: var(--gray-400); }
.search-icon { color: var(--gray-400); font-size: 14px; }

/* ── Icon buttons (bell, etc.) ── */
.icon-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--gray-100);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
}

.icon-btn:hover { background: var(--gray-200); }

/* Red notification dot */
.notif-dot {
  position: absolute;
  top: 6px; right: 6px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--red);
  border: 2px solid var(--white);
}

/* Hide hamburger on desktop */
.hamburger { display: none; }

/* ── Mobile responsive ── */
@media (max-width: 768px) {
  .sidebar {
    width: 280px;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main {
    margin-left: 0;
  }

  .topbar {
    padding: 0 20px;
    height: 60px;
  }

  .topbar-title {
    font-size: 16px;
  }

  .search-box {
    width: 200px;
    padding: 10px 16px;
  }

  .search-box input {
    font-size: 14px;
  }

  /* Hamburger menu button */
  .hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 24px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    margin-right: 16px;
  }

  .hamburger span {
    width: 24px;
    height: 3px;
    background: var(--gray-600);
    border-radius: 2px;
    transition: all 0.3s ease;
  }

  /* Overlay for mobile sidebar */
  .sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
  }

  .sidebar-overlay.active {
    display: block;
  }
}