/**
 * GFS Components — Pre-built classes for every GFS dashboard
 * Requires gfs-tokens (the :root block from the design system)
 *
 * Usage: <link rel="stylesheet" href="css/gfs-components.css">
 */

/* ═══ CARDS ═══ */
.gfs-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  position: relative;
}
.gfs-card:hover { border-color: var(--border-hover); }
.gfs-card h2 {
  font-size: 15px; font-weight: 600;
  color: var(--text-heading);
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 12px; margin-bottom: 16px;
  letter-spacing: -.1px;
}

/* ═══ KPI STRIP ═══ */
.gfs-kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.gfs-kpi {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px; text-align: center;
}
.gfs-kpi-label {
  font-size: 11px; font-weight: 500;
  color: var(--text-label);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.gfs-kpi-value {
  font-size: 24px; font-weight: 700;
  color: var(--primary-dark);
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
}
.gfs-kpi-value.danger { color: var(--danger); }
.gfs-kpi-trend {
  display: inline-flex; align-items: center; gap: 3px;
  font-size: 11px; font-weight: 600; margin-top: 4px;
}
.gfs-kpi-trend.up { color: var(--success); }
.gfs-kpi-trend.down { color: var(--danger); }
.gfs-kpi-trend.flat { color: var(--text-muted); }

/* ═══ TABLES ═══ */
.gfs-table {
  width: 100%; border-collapse: collapse; font-size: 14px;
}
.gfs-table th {
  text-align: left; padding: 10px 12px;
  font-size: 11px; font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .5px;
  background: var(--bg-sunken);
  border-bottom: 1px solid var(--border-light);
}
.gfs-table th[data-sort] { cursor: pointer; }
.gfs-table th[data-sort]:hover { color: var(--text-heading); }
.gfs-table th.sorted { color: var(--primary); }
.gfs-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-row);
  vertical-align: top;
}
.gfs-table td:first-child { font-weight: 500; color: var(--text-heading); }
.gfs-table tr:last-child td { border-bottom: none; }
.gfs-table tr:hover { background: var(--bg-sunken); }
.gfs-table .num {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.gfs-table .neg { color: var(--danger); }

/* ═══ BUTTONS ═══ */
.gfs-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 6px;
  font-size: 13px; font-weight: 600;
  cursor: pointer; border: none;
  transition: all .15s; font-family: inherit;
}
.gfs-btn-primary { background: var(--primary); color: #fff; }
.gfs-btn-primary:hover { background: #155a8a; }
.gfs-btn-dark { background: #111; color: #fff; }
.gfs-btn-dark:hover { background: #2b2b2b; }
.gfs-btn-secondary { background: var(--bg-card); color: var(--text-heading); border: 1px solid var(--border); }
.gfs-btn-secondary:hover { background: var(--bg-sunken); }
.gfs-btn-danger { background: var(--danger); color: #fff; }
.gfs-btn-success { background: var(--success); color: #fff; }
.gfs-btn:disabled { opacity: .4; cursor: not-allowed; }

/* ═══ BADGES ═══ */
.gfs-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 10px; font-weight: 600;
  padding: 2px 8px; border-radius: 8px;
}
.gfs-badge-success { background: var(--success-bg); color: var(--success-text); }
.gfs-badge-warning { background: var(--warning-bg); color: var(--warning-text); }
.gfs-badge-danger  { background: var(--danger-bg);  color: var(--danger-text); }
.gfs-badge-info    { background: var(--info-bg);    color: var(--info-text); }
.gfs-badge-purple  { background: var(--purple-bg);  color: var(--purple-text); }
.gfs-badge-neutral { background: var(--neutral-bg); color: var(--neutral-text); }
.gfs-badge-teal    { background: var(--teal-bg);    color: var(--teal-text); }
.gfs-badge-orange  { background: var(--orange-bg);  color: var(--orange-text); }

/* ═══ ALERTS ═══ */
.gfs-alert {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 16px; border-radius: 8px;
  font-size: 13px; line-height: 1.5; margin-bottom: 10px;
}
.gfs-alert-info    { background: var(--info-bg);    color: var(--info-text);    border: 1px solid rgba(70,139,230,.15); }
.gfs-alert-success { background: var(--success-bg); color: var(--success-text); border: 1px solid rgba(16,185,129,.15); }
.gfs-alert-warning { background: var(--warning-bg); color: var(--warning-text); border: 1px solid rgba(245,158,11,.15); }
.gfs-alert-danger  { background: var(--danger-bg);  color: var(--danger-text);  border: 1px solid rgba(239,68,68,.15); }
.gfs-alert svg { flex-shrink: 0; margin-top: 1px; }

/* ═══ FORM INPUTS ═══ */
.gfs-input {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px; font-size: 13px;
  font-family: inherit; color: var(--text-heading);
  background: var(--bg-card); outline: none;
  transition: border-color .15s;
}
.gfs-input:focus { border-color: var(--primary-mid); }
.gfs-input::placeholder { color: var(--text-placeholder); }

/* ═══ FILTER PILLS ═══ */
.gfs-filter-bar { display: flex; gap: 6px; flex-wrap: wrap; }
.gfs-filter {
  padding: 5px 12px; border: 1px solid var(--border);
  border-radius: 20px; font-size: 12px; font-weight: 500;
  cursor: pointer; background: var(--bg-card); color: var(--text-muted);
  transition: all .15s; font-family: inherit;
}
.gfs-filter:hover { border-color: var(--primary); color: var(--primary); }
.gfs-filter.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ═══ EMPTY STATE ═══ */
.gfs-empty {
  text-align: center; padding: 40px 24px;
  border: 1px dashed var(--border);
  border-radius: 10px; background: var(--bg-card);
}
.gfs-empty h4 { font-size: 15px; font-weight: 600; color: var(--text-heading); margin-bottom: 4px; }
.gfs-empty p { font-size: 13px; color: var(--text-muted); margin: 0; }

/* ═══ SKELETON LOADING ═══ */
@keyframes gfs-shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}
.gfs-skeleton {
  background: linear-gradient(90deg, var(--bg-hover) 25%, var(--bg-sunken) 50%, var(--bg-hover) 75%);
  background-size: 800px 100%;
  animation: gfs-shimmer 1.5s infinite;
  border-radius: 6px;
}

/* ═══ COPY BUTTON ═══ */
.gfs-copy-btn {
  background: #111; color: #fff; border: none;
  padding: 5px 12px; border-radius: 6px;
  font-size: 11px; font-weight: 600;
  cursor: pointer; font-family: inherit;
  display: inline-flex; align-items: center; gap: 4px;
  transition: all .15s;
}
.gfs-copy-btn:hover { background: #2b2b2b; }

/* ═══ PROGRESS BAR ═══ */
.gfs-progress {
  height: 8px; background: var(--bg-hover);
  border-radius: 4px; overflow: hidden;
}
.gfs-progress-fill {
  height: 100%; border-radius: 4px;
  transition: width .3s ease;
}

/* ═══ TOAST ═══ */
.gfs-toast {
  position: fixed; bottom: 24px; right: 24px;
  background: #1F1F1F; color: #fff;
  padding: 10px 20px; border-radius: 8px;
  font-size: 13px; font-weight: 500;
  box-shadow: 0 4px 16px rgba(9,47,100,.08);
  z-index: 200;
  opacity: 0; transform: translateY(8px);
  transition: all .2s;
}
.gfs-toast.show {
  opacity: 1; transform: translateY(0);
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
  .gfs-kpi-strip { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .gfs-card { padding: 16px; }
}
@media (max-width: 480px) {
  .gfs-kpi-strip { grid-template-columns: 1fr; }
}

/* ═══ TEXT OVERFLOW UTILITIES ═══ */
.gfs-truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.gfs-line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.gfs-line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.gfs-break-all { word-break: break-all; }
.gfs-break-word { overflow-wrap: break-word; word-wrap: break-word; }
.gfs-nowrap { white-space: nowrap; }