/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width var(--transition);
  overflow: hidden;
}

.sidebar.collapsed { width: var(--sidebar-w-c); }

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
  min-height: 64px;
}

.sidebar-logo {
  flex-shrink: 0;
  width: 36px; height: 36px;
  background: var(--accent);
  color: #000;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: -0.02em;
}

.sidebar-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  white-space: nowrap;
  opacity: 1;
  transition: opacity var(--transition);
}

.sidebar.collapsed .sidebar-brand,
.sidebar.collapsed .sidebar-label {
  opacity: 0;
  pointer-events: none;
  width: 0;
  overflow: hidden;
}

.sidebar-toggle {
  margin-left: auto;
  flex-shrink: 0;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  color: var(--text-3);
  font-size: 1.1rem;
  transition: all var(--transition);
}
.sidebar-toggle:hover { background: var(--bg-4); color: var(--text); }

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 0.75rem 0.5rem;
  gap: 2px;
  overflow-y: auto;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius);
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.sidebar-link:hover {
  background: var(--bg-3);
  color: var(--text);
  text-decoration: none;
}

.sidebar-link.active {
  background: var(--accent-glow);
  color: var(--accent);
}

.sidebar-icon {
  flex-shrink: 0;
  width: 20px;
  text-align: center;
  font-size: 1rem;
}

.sidebar-footer {
  padding: 0.75rem 0.5rem;
  border-top: 1px solid var(--border);
}

/* ── Toast Notifications ─────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 1.5rem; right: 1.5rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  max-width: 320px;
  pointer-events: all;
  transform: translateX(120%);
  opacity: 0;
  transition: all 0.3s cubic-bezier(.34,1.56,.64,1);
}

.toast.toast-visible {
  transform: translateX(0);
  opacity: 1;
}

.toast-success { border-left: 3px solid var(--green); }
.toast-error   { border-left: 3px solid var(--red); }
.toast-warning { border-left: 3px solid var(--yellow); }
.toast-info    { border-left: 3px solid var(--accent); }

.toast-close {
  margin-left: auto;
  color: var(--text-3);
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
}
.toast-close:hover { color: var(--text); }

/* ── Modal ───────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 500;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-overlay.modal-visible { opacity: 1; }

.modal-box {
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s cubic-bezier(.34,1.56,.64,1);
}

.modal-overlay.modal-visible .modal-box {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute; top: 1rem; right: 1rem;
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  color: var(--text-3);
  font-size: 1.2rem;
  transition: all var(--transition);
}
.modal-close-btn:hover { background: var(--bg-4); color: var(--text); }

.modal-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

/* ── Tabs ────────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  gap: 0;
  background: var(--bg-3);
  border-radius: var(--radius);
  padding: 3px;
  margin-bottom: 1.5rem;
  width: fit-content;
}

.tab-btn {
  padding: 0.5rem 1.25rem;
  border-radius: calc(var(--radius) - 3px);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-2);
  transition: all var(--transition);
}

.tab-btn.active {
  background: var(--bg);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Stat Cards ──────────────────────────────────────────── */
.stat-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  transition: border-color var(--transition);
}
.stat-card:hover { border-color: var(--border-2); }

.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-3);
  margin-bottom: 0.4rem;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.progress-bar-wrap {
  height: 5px;
  background: var(--bg-4);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 0.75rem;
}

.progress-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.6s cubic-bezier(.34,1.56,.64,1);
}