/* ─── HEADER ─── */
.header {
  grid-column: 1 / -1;
  background: var(--linen);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 2px solid var(--pitch);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-left { display: flex; align-items: center; gap: 16px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span { display: block; width: 18px; height: 2px; background: var(--pitch); border-radius: 1px; }

.logo { font-family: var(--font-display); font-size: 13px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--pitch); }
.logo span { color: var(--forge); margin: 0 4px; }

.header-date { font-family: var(--font-mono); font-size: 10px; color: var(--pitch); opacity: 0.3; }
.header-right { display: flex; align-items: center; gap: 8px; }

.status-pill {
  display: flex; align-items: center; gap: 5px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  padding: 4px 11px;
  font-family: var(--font-mono); font-size: 9px;
  color: var(--pitch); opacity: 0.45;
}

.status-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--forge); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.25} }

.planning-btn {
  display: flex; align-items: center; gap: 7px;
  padding: 7px 18px;
  background: var(--pitch); border: 2px solid var(--pitch); border-radius: var(--r-lg);
  color: var(--linen); font-family: var(--font-display); font-size: 10px;
  font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  cursor: pointer; transition: all 0.15s;
}
.planning-btn:hover { background: var(--forge); border-color: var(--forge); }

/* ─── SIDEBAR ─── */
.sidebar {
  background: var(--linen);
  border-right: 2px solid var(--pitch);
  display: flex; flex-direction: column;
  overflow-y: auto; overflow-x: hidden;
  position: sticky; top: var(--header-h);
  height: calc(100vh - var(--header-h));
}

.nav-group { border-bottom: 1px solid var(--border); }

.nav-group-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px 10px 14px;
  cursor: pointer; user-select: none; transition: background 0.12s;
}

.nav-group-header:hover { background: var(--sand); }
.nav-group-header-left { display: flex; align-items: center; gap: 8px; }
.nav-group-icon { font-size: 11px; width: 14px; text-align: center; opacity: 0.5; }
.nav-group-label { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--pitch); opacity: 0.45; font-weight: 700; }
.nav-chevron { font-size: 9px; color: var(--pitch); opacity: 0.3; transition: transform 0.2s; }
.nav-group.open .nav-chevron { transform: rotate(180deg); }
.nav-items { display: none; padding: 2px 0 6px; }
.nav-group.open .nav-items { display: block; }

.nav-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 16px 7px 36px;
  cursor: pointer; transition: all 0.12s;
  border-left: 2px solid transparent;
  color: var(--pitch); opacity: 0.5;
  font-size: 12px; letter-spacing: 0.02em;
}

.nav-item:hover { opacity: 0.85; background: rgba(30,30,30,0.03); }
.nav-item.active { opacity: 1; color: var(--forge); border-left-color: var(--forge); background: rgba(192,63,39,0.05); }

.nav-badge { margin-left: auto; background: var(--pitch); color: var(--linen); font-family: var(--font-mono); font-size: 8px; padding: 1px 6px; border-radius: var(--r-lg); }
.nav-item.active .nav-badge { background: var(--forge); }

/* ─── NAV SUB-LABEL (Planning sub-section etc.) ─── */
.nav-sub-label {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pitch);
  opacity: 0.3;
  padding: 10px 16px 3px 36px;
  margin-top: 2px;
  border-top: 1px solid var(--border);
}

/* TOGGL WIDGET */
.toggl-widget {
  margin: 12px 12px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--r-md);
  padding: 12px;
  background: var(--white);
  flex-shrink: 0;
}

.toggl-label { font-family: var(--font-mono); font-size: 8px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--pitch); opacity: 0.35; margin-bottom: 6px; }
.toggl-timer { font-family: var(--font-mono); font-size: 22px; color: var(--pitch); line-height: 1; margin-bottom: 3px; letter-spacing: 0.02em; }
.toggl-timer.running { color: var(--forge); }
.toggl-entry { font-family: var(--font-mono); font-size: 9px; color: var(--pitch); opacity: 0.35; margin-bottom: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.toggl-btn { width: 100%; padding: 6px; background: transparent; border: 1.5px solid var(--border-strong); border-radius: var(--r-sm); color: var(--pitch); font-family: var(--font-mono); font-size: 9px; cursor: pointer; transition: all 0.15s; opacity: 0.55; }
.toggl-btn:hover { opacity: 1; border-color: var(--pitch); }
.toggl-btn.running { border-color: var(--forge); color: var(--forge); opacity: 1; }

/* ─── MOBILE OVERLAY ─── */
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(30,30,30,0.4); z-index: 90; backdrop-filter: blur(2px); }

/* ─── MAIN ─── */
.main { background: var(--linen); overflow-y: auto; min-width: 0; }

.tab-content { display: none; padding: 28px 28px 60px; animation: fadeUp 0.18s ease; max-width: 1100px; }
.tab-content.active { display: block; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

/* ─── MOBILE ─── */
@media (max-width: 768px) {
  .app { grid-template-columns: 1fr; }
  .hamburger { display: flex; }
  .header-date { display: none; }
  /* Full-page nav panel — slides in below the sticky header */
  .sidebar {
    position: fixed;
    top: var(--header-h);
    left: -100vw;
    width: 100vw;
    height: calc(100vh - var(--header-h));
    z-index: 95;
    padding: 8px 0 32px;
    border-right: none;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transition: left 0.25s ease;
  }
  .sidebar.open { left: 0; }
  /* Overlay sits in the same zone (below header) so it doesn't dim the header/hamburger */
  .sidebar-overlay { top: var(--header-h); }
  .sidebar-overlay.open { display: block; }
  /* Larger touch targets for all nav elements */
  .nav-group-header { padding: 14px 16px 14px 14px; }
  .nav-item { padding: 12px 16px 12px 22px; font-size: 14px; }
  .nav-sub-label { padding: 10px 16px 4px 22px; }
  .main { overflow-x: hidden; }
  .tab-content { padding: 20px 16px 60px; }

  /* ── Single-column everything ──
     Named grid classes + attribute selector catches inline style="...grid-template-columns..." */
  .grid-2,
  .grid-3,
  .grid-4,
  .week-grid,
  [style*="grid-template-columns"] { grid-template-columns: 1fr !important; }

  /* Tables: horizontal scroll rather than overflow */
  table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; }

  /* Sub-tab bars: slide horizontally, don't wrap */
  .page-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; scrollbar-width: none; }
  .page-tabs::-webkit-scrollbar { display: none; }
  .page-tab { flex-shrink: 0; }
}

@media (max-width: 480px) {
  .header { padding: 0 12px; }
  .header-right > div:not(.status-pill) { display: none; }
  .header-right > a { display: none; }
}