/* ============================================
   UTILITIES CSS — Buttons, Forms, Badges,
   Modals, Toasts, Tags, Alerts
   ============================================ */

/* ============== BUTTONS ============== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1;
  text-decoration: none;
  font-family: var(--font-family);
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}
.btn svg { width: 14px; height: 14px; flex-shrink: 0; }

/* Primary */
.btn--primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}
.btn--primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }

/* Secondary */
.btn--secondary {
  background: var(--page-bg);
  color: var(--text-primary);
  border-color: var(--border-color);
}
.btn--secondary:hover { background: var(--border-color); }

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-color);
}
.btn--ghost:hover { background: var(--page-bg); color: var(--text-primary); }

/* Danger */
.btn--danger {
  background: var(--color-danger);
  color: white;
  border-color: var(--color-danger);
}
.btn--danger:hover { background: #dc2626; border-color: #dc2626; }

/* Success */
.btn--success {
  background: var(--color-success);
  color: white;
  border-color: var(--color-success);
}
.btn--success:hover { background: #059669; border-color: #059669; }

/* Warning */
.btn--warning {
  background: var(--color-warning);
  color: white;
  border-color: var(--color-warning);
}
.btn--warning:hover { background: #d97706; }

/* Outline */
.btn--outline-primary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline-primary:hover { background: var(--color-primary-light); }

/* Sizes */
.btn--sm { padding: 5px 12px; font-size: 12px; }
.btn--sm svg { width: 12px; height: 12px; }
.btn--lg { padding: 10px 22px; font-size: 14px; }
.btn--icon { padding: 7px; }
.btn--icon svg { width: 16px; height: 16px; }
.btn--icon-sm { padding: 5px; }
.btn--icon-sm svg { width: 14px; height: 14px; }
.btn--full { width: 100%; }

/* ============== FORM ELEMENTS ============== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.form-label .required { color: var(--color-danger); margin-left: 2px; }

.form-control {
  width: 100%;
  padding: 9px 12px;
  font-size: 13px;
  color: var(--text-primary);
  background: var(--input-bg);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  font-family: var(--font-family);
  appearance: none;
}
.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(99 102 241 / 0.12);
}
.form-control:disabled {
  background: var(--page-bg);
  color: var(--text-muted);
  cursor: not-allowed;
}
.form-control::placeholder { color: var(--text-muted); }
.form-control--error { border-color: var(--color-danger); }
.form-control--error:focus { box-shadow: 0 0 0 3px rgb(239 68 68 / 0.12); }

.item-product-select {
  font-size: 12px;
  padding: 6px 32px 6px 10px;
  margin-bottom: 6px;
  color: var(--color-primary);
  background-color: rgb(99 102 241 / 0.06);
  border-color: rgb(99 102 241 / 0.3);
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
}

.form-hint {
  font-size: 11px;
  color: var(--text-muted);
}

.form-error {
  font-size: 11px;
  color: var(--color-danger);
  font-weight: 500;
}

/* Form grid */
.form-row {
  display: grid;
  gap: 14px;
}
.form-row-2 { grid-template-columns: 1fr 1fr; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }

/* ============== BADGES / STATUS ============== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-full);
  white-space: nowrap;
  letter-spacing: 0.2px;
}
.badge::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.badge--success { background: var(--color-success-light); color: var(--color-success-text); }
.badge--warning { background: var(--color-warning-light); color: var(--color-warning-text); }
.badge--danger { background: var(--color-danger-light); color: var(--color-danger-text); }
.badge--info { background: var(--color-info-light); color: var(--color-info-text); }
.badge--primary { background: var(--color-primary-light); color: var(--color-primary); }
.badge--secondary { background: #e2e8f0; color: #475569; }
.badge--muted { background: #f1f5f9; color: var(--text-secondary); }
.badge--no-dot::before { display: none; }

/* ============== MODAL ============== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgb(15 23 42 / 0.6);
  z-index: 500;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  backdrop-filter: blur(4px);
}
.modal-overlay--visible {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgb(0 0 0 / 0.05);
  width: 100%;
  max-width: 560px;
  transform: translateY(-12px) scale(0.98);
  transition: transform var(--transition);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 80px);
}
.modal-box--lg { max-width: 760px; }
.modal-box--xl { max-width: 960px; }
.modal-box--sm { max-width: 400px; }
.modal-box--md { max-width: 560px; }
.modal-box--full { max-width: min(1200px, calc(100vw - 32px)); }
.modal-overlay--visible .modal-box { transform: translateY(0) scale(1); }

/* BizFinance secondary window standard (bfp-window-*) */
.bfp-window-header {
  align-items: flex-start;
  gap: 12px;
}
.bfp-window-header__main {
  flex: 1;
  min-width: 0;
}
.bfp-window-context {
  font-size: var(--font-size-xs, 11px);
  font-weight: var(--font-weight-semibold, 600);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted, #64748b);
  margin: 0 0 4px;
}
.bfp-window-subtitle {
  font-size: var(--font-size-sm, 13px);
  color: var(--text-secondary, #64748b);
  margin: 4px 0 0;
  line-height: 1.4;
}
.bfp-window-header__meta {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.bfp-window-body {
  font-size: var(--font-size-sm, 13px);
  line-height: 1.5;
}
.bfp-window-body .form-group {
  margin-bottom: 12px;
}
.bfp-window-body .form-label {
  font-size: var(--font-size-sm, 13px);
  font-weight: var(--font-weight-medium, 500);
}
.bfp-window-section {
  margin-bottom: 16px;
}
.bfp-window-section__title {
  font-size: var(--font-size-sm, 13px);
  font-weight: var(--font-weight-semibold, 600);
  margin: 0 0 8px;
  color: var(--text-primary, #0f172a);
}
.bfp-window-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px 16px;
}
.bfp-window-detail-field__label {
  display: block;
  font-size: var(--font-size-xs, 11px);
  color: var(--text-muted, #64748b);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.bfp-window-detail-field__value {
  font-size: var(--font-size-sm, 13px);
}
.bfp-window-footer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
  width: 100%;
}
.bfp-window--letter .bfp-window-body .book-el-preview-banner,
.bfp-window-body .book-el-preview-banner {
  margin-bottom: 12px;
}
.bfp-confirm-box {
  text-align: center;
}
.bfp-confirm-icon--primary { background: var(--color-primary-light, #dbeafe); color: var(--color-primary, #2563eb); }
.bfp-confirm-icon--warning { background: var(--color-warning-light, #fef3c7); color: var(--color-warning-text, #b45309); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px 16px;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  color: var(--text-muted);
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.modal-close:hover { background: var(--page-bg); color: var(--text-primary); }

.modal-body {
  padding: 20px 22px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-shrink: 0;
  background: #fafafa;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.modal-footer:empty { display: none; }

/* ============== TOAST ============== */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  background: #1e293b;
  color: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  min-width: 240px;
  max-width: 360px;
  pointer-events: all;
  transform: translateX(calc(100% + 24px));
  transition: transform var(--transition-slow), opacity var(--transition-slow);
  border-left: 3px solid var(--color-primary);
}
.toast--visible { transform: translateX(0); }
.toast--success { border-left-color: var(--color-success); }
.toast--error { border-left-color: var(--color-danger); }
.toast--warning { border-left-color: var(--color-warning); }

.toast-icon { flex-shrink: 0; margin-top: 1px; }
.toast-content { flex: 1; }
.toast-title { font-weight: 600; font-size: 13px; }
.toast-message { font-size: 12px; color: #94a3b8; margin-top: 2px; }

/* ============== CONFIRM DIALOG ============== */
.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgb(15 23 42 / 0.6);
  z-index: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  backdrop-filter: blur(4px);
}
.confirm-overlay--visible { opacity: 1; visibility: visible; }

.confirm-box {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 28px 28px 22px;
  max-width: 380px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  text-align: center;
}
.confirm-icon {
  width: 52px; height: 52px;
  background: var(--color-danger-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-danger);
  margin: 0 auto 16px;
}
.confirm-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.confirm-message { font-size: 13px; color: var(--text-secondary); margin-bottom: 22px; line-height: 1.6; }
.confirm-actions { display: flex; justify-content: center; gap: 10px; }

/* ============== FILTER BAR ============== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  min-height: 56px;
}

.search-wrapper {
  position: relative;
  flex: 1;
  min-width: 180px;
  max-width: 320px;
}
.search-wrapper svg {
  position: absolute;
  left: 10px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  width: 14px; height: 14px;
}
.search-input {
  width: 100%;
  padding: 7px 12px 7px 32px;
  font-size: 13px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  outline: none;
  background: var(--page-bg);
  font-family: var(--font-family);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
  background: var(--input-bg);
}
:root[data-theme="dark"] .search-input:focus {
  background: var(--input-bg);
}

:root[data-theme="dark"] .modal-footer {
  background: var(--page-bg-subtle);
}

:root[data-theme="dark"] .card-footer {
  background: var(--page-bg-subtle);
}

:root[data-theme="dark"] .activity-item:hover {
  background: var(--page-bg-subtle);
}
.search-input::placeholder { color: var(--text-muted); }

.filter-select {
  padding: 7px 28px 7px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--page-bg);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  font-family: var(--font-family);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  min-width: 100px;
}
.filter-select:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgb(99 102 241 / 0.1); }

.filter-date { padding: 6px 10px; font-size: 12px; }

/* ============== DATE RANGE FILTER ============== */
.date-filter-group {
  display: flex;
  align-items: center;
  gap: 6px;
}
.date-filter-group .form-control { padding: 6px 10px; font-size: 12px; }
.date-filter-group span { font-size: 12px; color: var(--text-muted); }

/* ============== PERIOD FILTER ============== */
.period-filter {
  display: flex;
  align-items: center;
  background: var(--page-bg);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.period-btn {
  padding: 6px 12px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
  border-right: 1px solid var(--border-color);
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}
.period-btn:last-child { border-right: none; }
.period-btn:hover { background: var(--border-color); }
.period-btn.active { background: var(--color-primary); color: white; }

/* ============== STAT MINI ============== */
.stat-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--page-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}
.stat-inline-label { font-size: 11px; color: var(--text-muted); font-weight: 500; }
.stat-inline-value { font-size: 13px; font-weight: 700; color: var(--text-primary); }

/* ============== DIVIDER ============== */
.divider {
  height: 1px;
  background: var(--border-color);
  margin: 16px 0;
}

/* ============== TEXT UTILITIES ============== */
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.text-lg { font-size: 15px; }
.text-xl { font-size: 17px; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

/* ============== SPACING ============== */
.mb-0  { margin-bottom: 0; }
.mb-4  { margin-bottom: 4px; }
.mb-8  { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-14 { margin-bottom: 14px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-14 { margin-top: 14px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mt-24 { margin-top: 24px; }
.p-0   { padding: 0; }
.px-16 { padding-left: 16px; padding-right: 16px; }
.py-8  { padding-top: 8px; padding-bottom: 8px; }

/* ============== FLEX ============== */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-4 { gap: 4px; }
.gap-6 { gap: 6px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }

/* ============== ALERTS ============== */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  line-height: 1.5;
}
.alert svg { flex-shrink: 0; width: 16px; height: 16px; margin-top: 1px; }
.alert--info { background: var(--color-info-light); color: #1e40af; }
.alert--success { background: var(--color-success-light); color: #065f46; }
.alert--warning { background: var(--color-warning-light); color: #92400e; }
.alert--danger { background: var(--color-danger-light); color: #991b1b; }

/* ============== PROGRESS ============== */
.progress-bar {
  height: 6px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  transition: width 0.5s ease;
}
.progress-fill--success { background: var(--color-success); }
.progress-fill--warning { background: var(--color-warning); }
.progress-fill--danger { background: var(--color-danger); }

/* ============== TAB SYSTEM ============== */
.tab-list {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 20px;
  border-bottom: 2px solid var(--border-color);
  background: var(--card-bg);
}

.tab-btn {
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

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

/* ============== RESPONSIVE MODAL ============== */
@media (max-width: 600px) {
  .modal-overlay { padding: 0; align-items: flex-end; }
  .modal-box { border-radius: var(--radius-lg) var(--radius-lg) 0 0; max-height: 92vh; }
  .form-row-2, .form-row-3 { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; align-items: flex-start; }
  .search-wrapper { max-width: 100%; width: 100%; }
}

/* ============== BACKUP REMINDER NOTIFICATION ============== */
.backup-reminder {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 900;
  width: 320px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgb(0 0 0 / 0.18), 0 0 0 1px var(--border-color);
  border-left: 4px solid var(--color-warning);
  transform: translateY(calc(100% + 32px));
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
  pointer-events: none;
}
.backup-reminder--visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.backup-reminder-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 10px;
  gap: 10px;
}
.backup-reminder-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.backup-reminder-icon {
  width: 32px;
  height: 32px;
  background: rgb(245 158 11 / 0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-warning);
  flex-shrink: 0;
}
.backup-reminder-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}
.backup-reminder-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 2px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}
.backup-reminder-close:hover { color: var(--text-primary); }
.backup-reminder-body {
  padding: 0 16px 14px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.backup-reminder-body p { margin: 0 0 8px; }
.backup-reminder-body p:last-child { margin-bottom: 0; }
.backup-reminder-note {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
}
.backup-reminder-actions {
  display: flex;
  gap: 8px;
  padding: 0 16px 16px;
}
.backup-reminder-actions .btn { flex: 1; font-size: 12px; padding: 7px 10px; }