/* apps/files/frontend/css/layout.css */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  height: 100vh;
  max-width: 1600px;
  margin: 0 auto;
  position: relative;
}

/* ── Top Header ─────────────────────────────────────────── */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.75rem;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 40;
  gap: 1.25rem;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  box-shadow: var(--shadow-glow);
}

.brand-title {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 40%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Search Bar in Header ──────────────────────────────── */
.search-wrapper {
  flex: 1;
  max-width: 520px;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.6rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  font-size: 0.9rem;
  font-family: inherit;
  transition: all var(--trans-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.25);
}

.search-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 0.95rem;
  pointer-events: none;
}

.search-shortcut {
  position: absolute;
  right: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  font-size: 0.7rem;
  font-family: var(--font-mono);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  pointer-events: none;
}

/* ── Header Right Tools ────────────────────────────────── */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.storage-badge {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.9rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.storage-badge strong {
  color: var(--accent-secondary);
}

/* ── Secondary Navigation / Toolbar ───────────────────── */
.app-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.75rem;
  background: rgba(15, 23, 42, 0.5);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 0.85rem;
  flex-shrink: 0;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.breadcrumb-item {
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: all var(--trans-fast);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.breadcrumb-item:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.06);
}

.breadcrumb-item.active {
  color: var(--text-main);
  font-weight: 700;
  pointer-events: none;
}

.breadcrumb-sep {
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* Toolbar Action Buttons */
.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ── Filter Pills Bar ──────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  padding: 0.65rem 1.75rem;
  gap: 0.5rem;
  background: rgba(15, 23, 42, 0.3);
  border-bottom: 1px solid var(--border-subtle);
  overflow-x: auto;
  flex-shrink: 0;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--trans-fast);
}

.filter-pill:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
}

.filter-pill.active {
  color: #fff;
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.3);
}

/* ── Main Scroll Viewport ──────────────────────────────── */
.main-viewport {
  flex: 1;
  overflow-y: auto;
  min-height: 0; /* Required for nested flex child scrolling */
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ── Bottom Status Bar ─────────────────────────────────── */
.app-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1.75rem;
  background: var(--bg-glass);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-dim);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .app-header {
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
  }
  .search-wrapper {
    order: 3;
    max-width: 100%;
    width: 100%;
  }
  .storage-badge {
    display: none;
  }
  .app-toolbar, .filter-bar, .main-viewport, .app-statusbar {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}