/* ================================================================
   PQD Admin UI — Modern SaaS Dashboard
   Design: Refined Minimal · Professional · Clean
   ================================================================ */

/* ── CSS Custom Properties ── */
:root {
  --pqd-font:          'DM Sans', -apple-system, sans-serif;
  --pqd-mono:          'DM Mono', ui-monospace, monospace;

  --pqd-bg:            #f4f6f9;
  --pqd-surface:       #ffffff;
  --pqd-surface-2:     #f8fafc;
  --pqd-border:        #e2e8f0;
  --pqd-border-focus:  #6366f1;

  --pqd-brand:         #6366f1;
  --pqd-brand-dark:    #4f46e5;
  --pqd-brand-light:   #eef2ff;
  --pqd-brand-glow:    rgba(99,102,241,.18);

  --pqd-accent:        #10b981;
  --pqd-danger:        #ef4444;
  --pqd-warning:       #f59e0b;

  --pqd-text:          #0f172a;
  --pqd-text-2:        #475569;
  --pqd-text-3:        #94a3b8;
  --pqd-text-inv:      #ffffff;

  --pqd-r-sm:          6px;
  --pqd-r-md:          10px;
  --pqd-r-lg:          16px;

  --pqd-sh-xs:         0 1px 2px rgba(15,23,42,.05);
  --pqd-sh-sm:         0 2px 8px rgba(15,23,42,.07);
  --pqd-sh-md:         0 4px 20px rgba(15,23,42,.09);
  --pqd-sh-lg:         0 8px 40px rgba(15,23,42,.12);

  --pqd-ease:          cubic-bezier(.4,0,.2,1);
  --pqd-t-fast:        150ms var(--pqd-ease);
  --pqd-t-base:        220ms var(--pqd-ease);
}

/* ── Scoped reset ── */
#pqd-admin-root,
#pqd-admin-root * {
  box-sizing: border-box;
}

#pqd-admin-root {
  font-family: var(--pqd-font);
  font-size: 14px;
  color: var(--pqd-text);
  background: var(--pqd-bg);
  min-height: 100vh;
}

/* ── Page Wrapper ── */
.pqd-page {
  max-width: 1060px;
  padding: 28px 20px 64px;
  margin: 0 auto;
  animation: pqd-fade-in 340ms var(--pqd-ease) both;
}

@keyframes pqd-fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* ── Page Header ── */
.pqd-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.pqd-page-header__left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.pqd-page-header__icon {
  width: 44px;
  height: 44px;
  background: var(--pqd-brand);
  border-radius: var(--pqd-r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px var(--pqd-brand-glow);
  flex-shrink: 0;
}

.pqd-page-header__title {
  font-size: 20px !important;
  font-weight: 700 !important;
  letter-spacing: -.4px;
  color: var(--pqd-text) !important;
  line-height: 1.2 !important;
  margin: 0 !important;
  padding: 0 !important;
}

.pqd-page-header__sub {
  font-size: 13px;
  color: var(--pqd-text-3);
  margin-top: 3px;
  font-weight: 400;
}

.pqd-page-header__actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}

/* ── Buttons ── */
.pqd-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--pqd-font);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--pqd-text-inv);
  background: var(--pqd-brand);
  border: none;
  border-radius: var(--pqd-r-sm);
  padding: 9px 20px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 2px 10px var(--pqd-brand-glow);
  transition: background var(--pqd-t-fast), box-shadow var(--pqd-t-fast), transform var(--pqd-t-fast);
  letter-spacing: -.1px;
}

.pqd-btn:hover {
  background: var(--pqd-brand-dark);
  box-shadow: 0 4px 16px var(--pqd-brand-glow);
  transform: translateY(-1px);
  color: var(--pqd-text-inv);
  text-decoration: none;
}

.pqd-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--pqd-font);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--pqd-text);
  background: var(--pqd-surface);
  border: 1.5px solid var(--pqd-border);
  border-radius: var(--pqd-r-sm);
  padding: 8px 18px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--pqd-sh-xs);
  transition: all var(--pqd-t-fast);
  letter-spacing: -.1px;
}

.pqd-btn-secondary:hover {
  background: var(--pqd-surface-2);
  border-color: var(--pqd-text-3);
  transform: translateY(-1px);
  color: var(--pqd-text);
  text-decoration: none;
}

/* ── Section Card ── */
.pqd-card {
  background: var(--pqd-surface);
  border: 1px solid var(--pqd-border);
  border-radius: var(--pqd-r-lg);
  box-shadow: var(--pqd-sh-sm);
  margin-bottom: 20px;
  overflow: hidden;
  transition: box-shadow var(--pqd-t-base);
}

.pqd-card:hover { box-shadow: var(--pqd-sh-md); }

.pqd-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 22px 14px;
  border-bottom: 1px solid var(--pqd-border);
  border-left: 4px solid var(--pqd-brand);
}

.pqd-card__header-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--pqd-r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--pqd-brand-light);
  flex-shrink: 0;
}

.pqd-card__title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--pqd-text);
  letter-spacing: -.2px;
}

.pqd-card__desc {
  font-size: 12px;
  color: var(--pqd-text-3);
  margin-top: 2px;
}

.pqd-card__body {
  padding: 20px 22px;
}

/* ── Field Rows ── */
.pqd-field-row {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 14px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--pqd-border);
  transition: background var(--pqd-t-fast);
}

.pqd-field-row:last-child { border-bottom: none; }

.pqd-field-row:hover {
  background: var(--pqd-surface-2);
  margin: 0 -22px;
  padding: 11px 22px;
  border-radius: var(--pqd-r-sm);
}

.pqd-field-row--toggle { align-items: center; }
.pqd-field-row--radio  { align-items: flex-start; padding-top: 14px; }

.pqd-field-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--pqd-text);
  line-height: 1.4;
}

.pqd-field-hint {
  font-size: 11.5px;
  color: var(--pqd-text-3);
  font-weight: 400;
  margin-top: 2px;
}

.pqd-field-control { width: 100%; }

/* ── TextInput ── */
.pqd-input {
  font-family: var(--pqd-font);
  font-size: 13.5px;
  color: var(--pqd-text);
  background: var(--pqd-surface);
  border: 1.5px solid var(--pqd-border);
  border-radius: var(--pqd-r-sm);
  padding: 8px 12px;
  height: 38px;
  width: 100%;
  max-width: 420px;
  outline: none;
  transition: border-color var(--pqd-t-fast), box-shadow var(--pqd-t-fast);
  box-shadow: var(--pqd-sh-xs);
  /* Remove number spinners on number inputs */
  -moz-appearance: textfield;
}

.pqd-input::-webkit-outer-spin-button,
.pqd-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.pqd-input:hover { border-color: var(--pqd-text-3); }
.pqd-input:focus {
  border-color: var(--pqd-border-focus);
  box-shadow: 0 0 0 3px var(--pqd-brand-glow);
}

/* ── Toggle ── */
.pqd-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.pqd-toggle__track {
  position: relative;
  width: 40px;
  height: 22px;
  background: var(--pqd-border);
  border-radius: 999px;
  transition: background var(--pqd-t-base);
  flex-shrink: 0;
  outline: none;
}

.pqd-toggle__track:focus-visible { box-shadow: 0 0 0 3px var(--pqd-brand-glow); }
.pqd-toggle__track--on { background: var(--pqd-brand); }

.pqd-toggle__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0,0,0,.18);
  transition: transform var(--pqd-t-base);
}

.pqd-toggle__track--on .pqd-toggle__thumb { transform: translateX(18px); }

.pqd-toggle__label {
  font-size: 13px;
  font-weight: 500;
  color: var(--pqd-text-3);
  transition: color var(--pqd-t-fast);
}

.pqd-toggle__label--on { color: var(--pqd-brand); }

/* ── RadioGroup ── */
.pqd-radio-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.pqd-radio-option {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1.5px solid var(--pqd-border);
  border-radius: var(--pqd-r-sm);
  background: var(--pqd-surface);
  cursor: pointer;
  transition: all var(--pqd-t-fast);
  font-size: 13px;
  font-weight: 500;
  color: var(--pqd-text-2);
  user-select: none;
}

.pqd-radio-option:hover {
  border-color: var(--pqd-brand);
  color: var(--pqd-brand);
  background: var(--pqd-brand-light);
}

.pqd-radio-option--active {
  border-color: var(--pqd-brand);
  background: var(--pqd-brand-light);
  color: var(--pqd-brand);
  font-weight: 600;
}

.pqd-radio-option__input {
  display: none !important;
}

.pqd-radio-option__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid currentColor;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color var(--pqd-t-fast);
}

.pqd-radio-option--active .pqd-radio-option__dot::after {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--pqd-brand);
  border-radius: 50%;
}

/* ── Select2 field wrapper ── */
.pqd-specific-fields {
  margin-top: 14px;
  border: 1px solid var(--pqd-border);
  border-radius: var(--pqd-r-md);
  overflow: hidden;
  animation: pqd-fade-in .2s var(--pqd-ease) both;
}

.pqd-specific-fields__label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: #fffbeb;
  border-bottom: 1px solid #fde68a;
  font-size: 12.5px;
  font-weight: 500;
  color: #92400e;
}

.pqd-specific-fields__icon { font-size: 14px; flex-shrink: 0; }

.pqd-specific-fields .pqd-field-row {
  padding: 11px 16px;
  margin: 0;
}

.pqd-specific-fields .pqd-field-row:hover {
  margin: 0;
  padding: 11px 16px;
  border-radius: 0;
}

.pqd-field-control--select2 {
  min-height: 38px;
}

/* Select2 override to match design system */
.pqd-select2-target + .select2-container {
  max-width: 420px !important;
}

.pqd-select2-target + .select2-container .select2-selection--multiple {
  font-family: var(--pqd-font) !important;
  font-size: 13.5px !important;
  border: 1.5px solid var(--pqd-border) !important;
  border-radius: var(--pqd-r-sm) !important;
  min-height: 38px !important;
  background: var(--pqd-surface) !important;
  box-shadow: var(--pqd-sh-xs) !important;
  padding: 2px 6px !important;
  transition: border-color var(--pqd-t-fast) !important;
}

.pqd-select2-target + .select2-container--focus .select2-selection--multiple,
.pqd-select2-target + .select2-container--open .select2-selection--multiple {
  border-color: var(--pqd-border-focus) !important;
  box-shadow: 0 0 0 3px var(--pqd-brand-glow) !important;
}

.pqd-select2-target + .select2-container .select2-selection__choice {
  background: var(--pqd-brand-light) !important;
  border-color: rgba(99,102,241,.2) !important;
  color: var(--pqd-brand-dark) !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  border-radius: 999px !important;
  padding: 1px 10px !important;
}

/* ── Loader ── */
.pqd-overlay-loader {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,.55);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
}

.pqd-spinner-wrap {
  background: var(--pqd-surface);
  border: 1px solid var(--pqd-border);
  border-radius: var(--pqd-r-lg);
  padding: 28px 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  box-shadow: var(--pqd-sh-lg);
}

.pqd-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--pqd-border);
  border-top-color: var(--pqd-brand);
  border-radius: 50%;
  animation: pqd-spin .65s linear infinite;
}

.pqd-spinner-label { font-size: 12.5px; font-weight: 600; color: var(--pqd-text-3); }

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

/* ── Save Bar ── */
.pqd-save-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  background: var(--pqd-surface);
  border: 1px solid var(--pqd-border);
  border-radius: var(--pqd-r-lg);
  box-shadow: var(--pqd-sh-md);
  margin-top: 8px;
  position: sticky;
  bottom: 24px;
}

.pqd-save-bar__hint {
  font-size: 12.5px;
  color: var(--pqd-text-3);
  font-weight: 500;
  margin: 0;
}

.pqd-save-bar__hint strong { color: var(--pqd-warning); }
.pqd-save-bar__actions { display: flex; gap: 10px; align-items: center; }

/* ── Toast System ── */
.pqd-toast-container {
  position: fixed;
  top: 48px;
  right: 24px;
  z-index: 999999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  max-width: 380px;
  width: 100%;
}

.pqd-toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--pqd-surface);
  border: 1px solid var(--pqd-border);
  border-left: 4px solid var(--pqd-brand);
  border-radius: var(--pqd-r-md);
  padding: 13px 14px;
  box-shadow: var(--pqd-sh-lg);
  pointer-events: all;
  animation: pqd-toast-in 280ms var(--pqd-ease) both;
  font-size: 13.5px;
  line-height: 1.4;
}

@keyframes pqd-toast-in {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0);    }
}

.pqd-toast--success { border-left-color: var(--pqd-accent); }
.pqd-toast--error   { border-left-color: var(--pqd-danger); }
.pqd-toast--warning { border-left-color: var(--pqd-warning); }
.pqd-toast--info    { border-left-color: var(--pqd-brand); }

.pqd-toast__icon { font-size: 15px; line-height: 1; flex-shrink: 0; margin-top: 1px; }
.pqd-toast--success .pqd-toast__icon { color: var(--pqd-accent); }
.pqd-toast--error   .pqd-toast__icon { color: var(--pqd-danger); }
.pqd-toast--warning .pqd-toast__icon { color: var(--pqd-warning); }
.pqd-toast--info    .pqd-toast__icon { color: var(--pqd-brand); }

.pqd-toast__msg  { flex: 1; color: var(--pqd-text); font-weight: 500; }

.pqd-toast__close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 12px;
  color: var(--pqd-text-3);
  padding: 0;
  line-height: 1;
  flex-shrink: 0;
  transition: color var(--pqd-t-fast);
}

.pqd-toast__close:hover { color: var(--pqd-text); }

/* ── Responsive ── */
@media (max-width: 860px) {
  .pqd-page { padding: 16px 12px 48px; }
  .pqd-page-header { flex-direction: column; }
  .pqd-field-row { grid-template-columns: 1fr; gap: 6px; }
  .pqd-field-row:hover { margin: 0; padding: 11px 0; }
  .pqd-input { max-width: 100%; }
  .pqd-radio-group { flex-direction: column; }
  .pqd-save-bar { flex-direction: column; align-items: stretch; bottom: 0; border-radius: 0; }
}