/* Dash-Host — Global Styles */
/* Light theme variables */
:root {
  --primary:        #7c3aed;
  --primary-dark:   #5b21b6;
  --primary-light:  #a78bfa;
  --primary-text:   #fff;
  --bg:             #f3f4f6;
  --bg-card:        #ffffff;
  --bg-sidebar:     #1e1b4b;
  --text:           #111827;
  --text-muted:     #6b7280;
  --border:         #e5e7eb;
  --input-bg:       #ffffff;
  --input-border:   #d1d5db;
  --shadow:         0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-lg:      0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
  --radius:         8px;
  --radius-sm:      4px;
  --transition:     0.2s ease;
  /* badges */
  --badge-success-bg:    #d1fae5; --badge-success-text:    #065f46;
  --badge-warning-bg:    #fef3c7; --badge-warning-text:    #92400e;
  --badge-danger-bg:     #fee2e2; --badge-danger-text:     #991b1b;
  --badge-info-bg:       #dbeafe; --badge-info-text:       #1e40af;
  --badge-secondary-bg:  #f3f4f6; --badge-secondary-text:  #374151;
  --badge-dark-bg:       #374151; --badge-dark-text:       #f9fafb;
}

[data-theme="dark"] {
  --primary:        #8b5cf6;
  --primary-dark:   #7c3aed;
  --primary-light:  #a78bfa;
  --primary-text:   #fff;
  --bg:             #0f0f1a;
  --bg-card:        #1a1a2e;
  --bg-sidebar:     #13131f;
  --text:           #e5e7eb;
  --text-muted:     #9ca3af;
  --border:         #2d2d42;
  --input-bg:       #1f1f35;
  --input-border:   #3d3d5c;
  --shadow:         0 1px 3px rgba(0,0,0,.4);
  --shadow-lg:      0 10px 15px rgba(0,0,0,.4);
  --badge-success-bg:    #064e3b; --badge-success-text:    #6ee7b7;
  --badge-warning-bg:    #78350f; --badge-warning-text:    #fde68a;
  --badge-danger-bg:     #7f1d1d; --badge-danger-text:     #fca5a5;
  --badge-info-bg:       #1e3a8a; --badge-info-text:       #93c5fd;
  --badge-secondary-bg:  #374151; --badge-secondary-text:  #d1d5db;
  --badge-dark-bg:       #1f2937; --badge-dark-text:       #e5e7eb;
}

*, *::before, *::after { box-sizing: border-box; }

html { font-size: 16px; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Layout ────────────────────────────────────────────────── */
.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  padding: 1.5rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  color: var(--text);
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition), opacity var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-primary   { background: var(--primary);   color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary { background: var(--border); color: var(--text); }
.btn-secondary:hover { opacity: 0.8; }

.btn-danger    { background: #dc2626; color: #fff; }
.btn-danger:hover { background: #b91c1c; }

.btn-success   { background: #059669; color: #fff; }
.btn-success:hover { background: #047857; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }

.btn-sm { padding: 0.25rem 0.6rem; font-size: 0.8rem; }
.btn-lg { padding: 0.6rem 1.5rem; font-size: 1rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Tables ─────────────────────────────────────────────────── */
.table-responsive { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th {
  text-align: left;
  padding: 0.6rem 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
th:hover { color: var(--primary); }
th.sorted-asc::after  { content: ' ↑'; color: var(--primary); }
th.sorted-desc::after { content: ' ↓'; color: var(--primary); }

td {
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg); }

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.2em 0.6em;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-success   { background: var(--badge-success-bg);   color: var(--badge-success-text); }
.badge-warning   { background: var(--badge-warning-bg);   color: var(--badge-warning-text); }
.badge-danger    { background: var(--badge-danger-bg);    color: var(--badge-danger-text); }
.badge-info      { background: var(--badge-info-bg);      color: var(--badge-info-text); }
.badge-secondary { background: var(--badge-secondary-bg); color: var(--badge-secondary-text); }
.badge-dark      { background: var(--badge-dark-bg);      color: var(--badge-dark-text); }

/* ── Alerts ─────────────────────────────────────────────────── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.875rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.alert-success { background: var(--badge-success-bg); color: var(--badge-success-text); border: 1px solid currentColor; }
.alert-error   { background: var(--badge-danger-bg);  color: var(--badge-danger-text);  border: 1px solid currentColor; }
.alert-warning { background: var(--badge-warning-bg); color: var(--badge-warning-text); border: 1px solid currentColor; }
.alert-info    { background: var(--badge-info-bg);    color: var(--badge-info-text);    border: 1px solid currentColor; }

/* ── Modal ──────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.modal-backdrop.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  width: 90%;
  max-width: 500px;
  transform: scale(0.95);
  transition: transform var(--transition);
}
.modal-backdrop.open .modal { transform: scale(1); }

.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem;
}
.modal-title { font-size: 1.1rem; font-weight: 600; margin: 0; }
.modal-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 1.25rem; padding: 0.2rem;
}
.modal-close:hover { color: var(--text); }

.modal-footer {
  display: flex; justify-content: flex-end; gap: 0.5rem;
  margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--border);
}

/* ── Utility ────────────────────────────────────────────────── */
.text-muted  { color: var(--text-muted); }
.text-danger { color: #dc2626; }
.text-success{ color: #059669; }
.text-right  { text-align: right; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.gap-1 { gap: 0.5rem; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* ── Page title ─────────────────────────────────────────────── */
.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 1.5rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ── Tabs ───────────────────────────────────────────────────── */
.tab-nav {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 1.5rem;
  overflow-x: auto;
}
.tab-btn {
  padding: 0.6rem 1.2rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition);
}
.tab-btn:hover   { color: var(--primary); }
.tab-btn.active  { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Spinner ────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 1rem; height: 1rem;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Empty state ────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}
.empty-state svg { width: 3rem; height: 3rem; margin-bottom: 1rem; opacity: .4; }
.empty-state p { margin: 0.25rem 0 1rem; }

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

/* ── Toast notifications ────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 1.5rem; right: 1.5rem;
  z-index: 9999;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.toast {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  max-width: 350px;
  animation: slideIn 0.3s ease;
}
.toast.toast-success { background: #059669; color: #fff; }
.toast.toast-error   { background: #dc2626; color: #fff; }
.toast.toast-info    { background: var(--primary); color: #fff; }
.toast.toast-warning { background: #d97706; color: #fff; }
@keyframes slideIn {
  from { transform: translateX(110%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}