/* ─── Reset & Foundation ──────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ─── Keyframe Animations ─────────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-16px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-fade { animation: fadeIn 0.4s ease-out; }
.animate-slide { animation: slideUp 0.5s ease-out; }

/* ─── Layout ──────────────────────────────────────────────────────────────── */
.layout {
  display: flex;
  min-height: 100vh;
}

/* ─── Sidebar (collapsible slide-out) ─────────────────────────────────────── */
:root {
  --sidebar-collapsed: 56px;
}

.sidebar {
  width: var(--sidebar-collapsed);
  background: var(--bg-sidebar);
  box-shadow: 1px 0 8px rgba(45,58,51,0.15);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.sidebar:hover,
.sidebar.pinned {
  width: var(--sidebar-width);
}

.sidebar-header {
  padding: 14px 10px 12px;
  border-bottom: 1px solid rgba(250,247,238,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.sidebar-logo-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #6B8E7F, #3F6B5B);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 0 20px rgba(107,142,127,0.3);
}

.sidebar-logo-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #FAF7EE;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.sidebar:hover .sidebar-logo-text,
.sidebar.pinned .sidebar-logo-text {
  opacity: 1;
}

.sidebar-pin {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 6px;
  border: 1px solid rgba(250,247,238,0.12);
  background: transparent;
  color: rgba(250,247,238,0.4);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  opacity: 0;
  pointer-events: none;
}

.sidebar:hover .sidebar-pin,
.sidebar.pinned .sidebar-pin {
  opacity: 1;
  pointer-events: auto;
}

.sidebar-pin:hover {
  background: rgba(107,142,127,0.2);
  color: rgba(250,247,238,0.8);
}

.sidebar.pinned .sidebar-pin {
  color: var(--primary);
  border-color: rgba(107,142,127,0.4);
}

.sidebar-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: rgba(250,247,238,0.4);
  padding: 16px 16px 6px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.sidebar:hover .sidebar-label,
.sidebar.pinned .sidebar-label {
  opacity: 1;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 4px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 13.5px;
  font-weight: 500;
  color: rgba(250,247,238,0.6);
  position: relative;
  border: 1px solid transparent;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
}

.nav-item:hover {
  background: rgba(107,142,127,0.15);
  color: rgba(250,247,238,0.85);
}

.nav-item.active {
  background: rgba(107,142,127,0.2);
  border-color: rgba(107,142,127,0.3);
  color: #FAF7EE;
  font-weight: 600;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--primary);
  border-radius: 0 3px 3px 0;
}

.nav-icon {
  font-size: 18px;
  width: 24px;
  min-width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.nav-label {
  opacity: 0;
  transition: opacity 0.15s ease;
}

.sidebar:hover .nav-label,
.sidebar.pinned .nav-label {
  opacity: 1;
}

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.sidebar:hover .nav-badge,
.sidebar.pinned .nav-badge {
  opacity: 1;
}

.nav-badge.warning {
  background: var(--warning);
}

.sidebar-footer {
  padding: 12px 10px;
  border-top: 1px solid rgba(250,247,238,0.08);
}

.sidebar-footer-inner {
  opacity: 0;
  transition: opacity 0.15s ease;
  overflow: hidden;
}

.sidebar:hover .sidebar-footer-inner,
.sidebar.pinned .sidebar-footer-inner {
  opacity: 1;
}

.sidebar-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: rgba(250,247,238,0.5);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success-glow);
  animation: pulse-glow 2s ease-in-out infinite;
}

/* ─── Mobile Sidebar Toggle ───────────────────────────────────────────────── */
.mobile-toggle {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 200;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.2);
  z-index: 90;
}

/* ─── Main Content ────────────────────────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-collapsed);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar.pinned ~ .main {
  margin-left: var(--sidebar-width);
}

.header {
  height: var(--header-height);
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: rgba(250,247,238,0.85);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 2px rgba(45,58,51,0.04);
  position: sticky;
  top: 0;
  z-index: 50;
}

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

.header-title {
  font-family: var(--fr-font-display);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-clock {
  font-family: var(--fr-font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  font-weight: 500;
}

.refresh-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--dim);
}

.refresh-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  transition: all 0.3s;
}

.refresh-dot.refreshing {
  animation: spin 1s linear infinite;
  background: var(--primary);
  border-radius: 2px;
}

.content {
  flex: 1;
  padding: 28px 32px;
  width: 100%;
  animation: fadeIn 0.3s ease-out;
}

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-overlay.open {
    display: block;
  }
  .mobile-toggle {
    display: flex;
  }
  .main {
    margin-left: 0;
  }
  .header {
    padding: 0 16px 0 60px;
  }
  .content {
    padding: 20px 16px;
  }
  .kpi-grid { grid-template-columns: 1fr; }
  .conflict-views { grid-template-columns: 1fr; }
  .approval-actions { flex-direction: column; }
}

/* ─── Scrollbar ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--fr-paper-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--fr-ink-4); }