/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: 10px var(--sp-md);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-body);
  transition: transform var(--t-fast) var(--ease-spring),
              background var(--t-fast),
              box-shadow var(--t-fast);
  cursor: pointer;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--clr-accent);
  color: #0d1117;
}
.btn-primary:hover {
  background: var(--clr-accent-2);
  box-shadow: var(--shadow-accent);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-text-muted);
  border: 1px solid var(--clr-border-2);
}
.btn-ghost:hover {
  background: var(--clr-surface);
  color: var(--clr-text);
  border-color: var(--clr-border-2);
}

.btn-danger {
  background: var(--clr-danger-bg);
  color: var(--clr-danger);
  border: 1px solid rgba(239,68,68,0.25);
}
.btn-danger:hover { background: rgba(239,68,68,0.20); }

.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }

/* ===== CARDS ===== */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
}

/* ===== KPI CARD ===== */
.kpi-card {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.kpi-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
}

.kpi-value {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--clr-text);
}

.kpi-value.large { font-size: 44px; }

.kpi-sub {
  font-size: 13px;
  color: var(--clr-text-muted);
}

.kpi-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 99px;
}

.kpi-trend.up   { background: var(--clr-success-bg); color: var(--clr-success); }
.kpi-trend.down { background: var(--clr-danger-bg);  color: var(--clr-danger); }
.kpi-trend.mid  { background: var(--clr-warn-bg);    color: var(--clr-warn); }

/* ===== PROGRESS BAR ===== */
.progress-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.progress-track {
  height: 6px;
  background: var(--clr-surface-2);
  border-radius: 99px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 99px;
  background: var(--clr-accent);
  transition: width var(--t-slow) var(--ease-out);
}

.progress-fill.over-target { background: var(--clr-success); }
.progress-fill.danger      { background: var(--clr-danger); }
.progress-fill.warn        { background: var(--clr-warn); }

.progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--clr-text-muted);
}

/* ===== DATA TABLE ===== */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
}

.data-table {
  width: 100%;
  font-size: 13px;
}

.data-table thead tr {
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border-2);
}

.data-table th {
  padding: 12px var(--sp-md);
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: color var(--t-fast);
}

.data-table th:hover { color: var(--clr-text); }

.data-table th.sort-asc::after  { content: ' ↑'; color: var(--clr-accent); }
.data-table th.sort-desc::after { content: ' ↓'; color: var(--clr-accent); }

.data-table tbody tr {
  border-bottom: 1px solid var(--clr-border);
  transition: background var(--t-fast);
}

.data-table tbody tr:last-child { border-bottom: none; }

.data-table tbody tr:hover {
  background: rgba(255,255,255,0.025);
  cursor: pointer;
}

.data-table td {
  padding: 11px var(--sp-md);
  color: var(--clr-text);
  white-space: nowrap;
}

.data-table td.num { text-align: right; font-variant-numeric: tabular-nums; }

.data-table td.code {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--clr-text-muted);
}

/* HG% colored cell */
.hg-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 700;
}
.hg-badge.good   { background: var(--clr-success-bg); color: var(--clr-success); }
.hg-badge.mid    { background: var(--clr-warn-bg);    color: var(--clr-warn); }
.hg-badge.poor   { background: var(--clr-danger-bg);  color: var(--clr-danger); }

/* ===== BADGE ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 600;
}
.badge-active   { background: var(--clr-success-bg); color: var(--clr-success); }
.badge-inactive { background: var(--clr-danger-bg);  color: var(--clr-danger); }
.badge-pending  { background: var(--clr-warn-bg);    color: var(--clr-warn); }
.badge-info     { background: var(--clr-info-bg);    color: var(--clr-info); }

.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ===== FORMS ===== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-text-muted);
  letter-spacing: 0.02em;
}

.form-input {
  background: var(--clr-bg-alt);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--clr-text);
  font-size: 14px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(245,158,11,0.12);
}

.form-input::placeholder { color: var(--clr-text-dim); }

/* ===== MODAL ===== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-mid);
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }

.modal {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-xl);
  padding: var(--sp-xl);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-card);
  transform: scale(0.96) translateY(8px);
  transition: transform var(--t-mid) var(--ease-spring);
}
.modal-backdrop.open .modal { transform: scale(1) translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-lg);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.modal-close {
  width: 32px; height: 32px;
  border-radius: var(--radius-md);
  background: var(--clr-surface-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-text-muted);
  transition: background var(--t-fast), color var(--t-fast);
}
.modal-close:hover { background: var(--clr-danger-bg); color: var(--clr-danger); }

/* ===== UPLOAD ZONE ===== */
.upload-zone {
  border: 2px dashed var(--clr-border-2);
  border-radius: var(--radius-xl);
  padding: var(--sp-2xl);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--t-mid), background var(--t-mid);
  position: relative;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--clr-accent);
  background: var(--clr-accent-muted);
}

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

/* ===== PERIOD SELECTOR ===== */
.period-selector {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 6px var(--sp-sm);
}

.period-selector select {
  background: transparent;
  border: none;
  color: var(--clr-text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 6px;
}

.period-selector select option { background: var(--clr-surface); }

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: var(--sp-2xl) var(--sp-md);
  color: var(--clr-text-muted);
}

.empty-state svg {
  margin: 0 auto var(--sp-md);
  opacity: 0.3;
}

.empty-state h3 {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--clr-text);
  margin-bottom: var(--sp-sm);
}

/* ===== LOADING SPINNER ===== */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--clr-border-2);
  border-top-color: var(--clr-accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== TOAST NOTIFICATIONS ===== */
#toast-container {
  position: fixed;
  bottom: var(--sp-lg);
  right: var(--sp-lg);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.toast {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-md);
  padding: 14px var(--sp-md);
  font-size: 14px;
  max-width: 320px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-sm);
  animation: slideInRight var(--t-mid) var(--ease-spring) forwards;
}

.toast.success { border-left: 3px solid var(--clr-success); }
.toast.error   { border-left: 3px solid var(--clr-danger); }
.toast.info    { border-left: 3px solid var(--clr-info); }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  padding: var(--sp-md) 0;
}

.pagination button {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  font-size: 14px;
  transition: background var(--t-fast), color var(--t-fast);
}

.pagination button:hover { background: var(--clr-surface-2); color: var(--clr-text); }
.pagination button.active { background: var(--clr-accent); color: #0d1117; border-color: var(--clr-accent); font-weight: 700; }
.pagination button:disabled { opacity: 0.3; cursor: not-allowed; }

/* ===== SEARCH INPUT ===== */
.search-box {
  position: relative;
}

.search-box svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--clr-text-dim);
}

.search-box input {
  padding-left: 38px;
  width: 100%;
}