/* =============================================================
   Advanced Search Filter — Widget Styles v1.3.0
   v1.3.0  +  Subscribe row (v2.7.0 plugin feature)
   ============================================================= */

:root {
  --asf-primary:        #1a3a5c;
  --asf-primary-hover:  #0f2540;
  --asf-accent:         #e8a020;
  --asf-surface:        #ffffff;
  --asf-surface-2:      #f4f7fa;
  --asf-border:         #dce4ed;
  --asf-border-focus:   #1a3a5c;
  --asf-text:           #1e2a38;
  --asf-text-muted:     #6b7a8d;
  --asf-shadow-focus:   0 0 0 3px rgba(26,58,92,0.18);
  --asf-radius-sm:      5px;
  --asf-transition:     0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --asf-accordion-dur:  0.36s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Widget wrapper ─────────────────────────────────────────── */
.asf-widget-wrap {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 13px;
  color: var(--asf-text);
  background: transparent;
  border: none;
  box-shadow: none;
  /* Float above all page layers when accordion expands */
  position: relative;
  z-index: 9999;
  overflow: visible;
}

/* ── Form layout ────────────────────────────────────────────── */
.asf-form {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: visible;
}

/* ── Field group ────────────────────────────────────────────── */
.asf-field-group {
  padding: 6px 0;
  background: transparent;
}

/* ── Custom Select ──────────────────────────────────────────── */
.asf-select-wrap {
  position: relative;
}

.asf-select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  padding: 8px 32px 8px 10px;
  background: var(--asf-surface-2);
  border: 1px solid var(--asf-border);
  border-radius: var(--asf-radius-sm);
  color: var(--asf-text);
  /* Explicit Verdana on the select element itself */
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 12.5px;
  cursor: pointer;
  outline: none;
  transition:
    border-color var(--asf-transition),
    box-shadow   var(--asf-transition),
    background   var(--asf-transition);
}

/* Force Verdana into the native dropdown option list */
.asf-select option {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 12.5px;
  color: var(--asf-text);
  background: var(--asf-surface);
}

.asf-select:hover {
  border-color: #b0bfcf;
  background: #edf2f8;
}

.asf-select:focus {
  border-color: var(--asf-border-focus);
  background: var(--asf-surface);
  box-shadow: var(--asf-shadow-focus);
}

/* Custom arrow */
.asf-select-arrow {
  pointer-events: none;
  position: absolute;
  right: 11px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left:  5px solid transparent;
  border-right: 5px solid transparent;
  border-top:   6px solid var(--asf-text-muted);
  transition: transform var(--asf-transition);
}

.asf-select:focus ~ .asf-select-arrow {
  transform: translateY(-50%) rotate(180deg);
  border-top-color: var(--asf-primary);
}

/* ── Loading spinner on select ──────────────────────────────── */
.asf-select.asf-loading {
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 50 50'%3E%3Ccircle cx='25' cy='25' r='20' fill='none' stroke='%231a3a5c' stroke-width='5' stroke-linecap='round' stroke-dasharray='80 30'%3E%3CanimateTransform attributeName='transform' type='rotate' from='0 25 25' to='360 25 25' dur='0.8s' repeatCount='indefinite'/%3E%3C/circle%3E%3C/svg%3E");
  background-repeat:   no-repeat;
  background-position: right 10px center;
  background-size:     16px 16px;
  opacity: 0.7;
  pointer-events: none;
}

/* ── Text Input ─────────────────────────────────────────────── */
.asf-input-wrap { position: relative; }

.asf-input {
  display: block;
  width: 100%;
  padding: 8px 10px;
  background: var(--asf-surface-2);
  border: solid 1px #527293 !important;
  border-radius: var(--asf-radius-sm);
  color: var(--asf-text);
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 12.5px;
  outline: none;
  box-sizing: border-box;
  transition:
    border-color var(--asf-transition),
    box-shadow   var(--asf-transition),
    background   var(--asf-transition);
}

.asf-input::placeholder { color: #a0aab4; }

.asf-input:hover {
  border-color: #b0bfcf;
  background: #edf2f8;
}

.asf-input:focus {
  border-color: var(--asf-border-focus);
  background: var(--asf-surface);
  box-shadow: var(--asf-shadow-focus);
}

/* ── Accordion rows ─────────────────────────────────────────── */
.asf-accordion-row {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--asf-accordion-dur);
  background: linear-gradient(135deg, #f0f6ff00 0%, #fafcff00 100%);
  /* Ensure expanded rows paint over content below the widget */
  position: relative;
  z-index: 9999;
}

/* PHP pre-rendered open state — skip the CSS transition on load */
.asf-accordion-row.asf-preopen {
  transition: none;
}

.asf-accordion-row.asf-open {
  max-height: 120px;
}

.asf-accordion-inner {
  padding: 2px 0 4px 8px;
  border-left: 3px solid #4990c3;
}

.asf-accordion-row .asf-field-group {
  padding: 3px 0;
  background: transparent;
}

/* ── Subscribe row (v2.7.0) ─────────────────────────────────── */
.asf-subscribe-row {
  padding: 8px 2px 4px;
  background: transparent;
}

.asf-subscribe-label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 12px;
  line-height: 1.4;
  color: var(--asf-text);
  padding: 4px 2px;
  border-radius: var(--asf-radius-sm);
  transition: background var(--asf-transition), color var(--asf-transition);
}

.asf-subscribe-label:hover {
  background: rgba(26, 58, 92, 0.04);
  color: var(--asf-primary);
}

.asf-subscribe-checkbox {
  /* Compact, square, themed to widget palette */
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  margin: 1px 0 0 0;
  padding: 0;
  background: var(--asf-surface);
  border: 1.5px solid #b0bfcf;
  border-radius: 3px;
  cursor: pointer;
  outline: none;
  position: relative;
  transition:
    background var(--asf-transition),
    border-color var(--asf-transition),
    box-shadow var(--asf-transition);
}

.asf-subscribe-checkbox:hover {
  border-color: var(--asf-primary);
}

.asf-subscribe-checkbox:focus-visible {
  border-color: var(--asf-primary);
  box-shadow: var(--asf-shadow-focus);
}

.asf-subscribe-checkbox:checked {
  background: var(--asf-primary);
  border-color: var(--asf-primary);
}

/* Custom checkmark for the checked state — pure CSS so no asset loads. */
.asf-subscribe-checkbox:checked::after {
  content: '';
  position: absolute;
  top: 1px;
  left: 4px;
  width: 4px;
  height: 8px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.asf-subscribe-text {
  /* Right of the checkbox, as specified */
  flex: 1 1 auto;
  text-align: left;
}

/* Gentle "noticed" pulse when the box becomes checked (e.g. after page-
   prefill from saved subscription) — purely decorative, fades fast. */
@keyframes asf-sub-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(26, 58, 92, 0.32); }
  70%  { box-shadow: 0 0 0 6px rgba(26, 58, 92, 0);  }
  100% { box-shadow: 0 0 0 0 rgba(26, 58, 92, 0);    }
}

/* Apply pulse briefly on initial render when the box arrives already-
   checked from the server (small UX cue that the form has been restored
   from a saved subscription). The animation runs once and is unobtrusive. */
.asf-subscribe-checkbox:checked {
  animation: asf-sub-pulse 0.9s ease-out 1;
}

/* ── Buttons ────────────────────────────────────────────────── */
.asf-buttons {
  display: flex;
  gap: 6px;
  padding: 8px 0 0;
  background: transparent;
}

/* Reset button — text-link style, always transparent */
.asf-btn-reset {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
  border: none;
  background: transparent !important;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 14px;
  color: var(--asf-text-muted);
  cursor: pointer;
  outline: none;
  white-space: nowrap;
  transition: color var(--asf-transition);
}

.asf-btn-reset:hover,
.asf-btn-reset:focus {
  background: transparent !important;
  color: var(--asf-text);
}

.asf-btn-reset:active { transform: translateY(1px); }

/* Submit button — inherits theme, explicit padding applied */
.asf-btn-submit {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 5px 10px;
  cursor: pointer;
}

.asf-btn-icon { font-size: 12px; line-height: 1; }

/* ── Submit busy state ──────────────────────────────────────── */
.asf-form.asf-submitting .asf-btn-submit {
  opacity: 0.7;
  pointer-events: none;
}

.asf-form.asf-submitting .asf-btn-submit::after {
  content: '';
  display: inline-block;
  width: 11px;
  height: 11px;
  margin-left: 5px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: asf-spin 0.7s linear infinite;
  vertical-align: middle;
}

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

/* ── Select pulse on AJAX populate ─────────────────────────── */
@keyframes asf-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(26,58,92,0.35); }
  70%  { box-shadow: 0 0 0 7px rgba(26,58,92,0);  }
  100% { box-shadow: 0 0 0 0 rgba(26,58,92,0);    }
}

.asf-select.asf-pulse { animation: asf-pulse 0.5s ease-out; }

/* ── Responsive ─────────────────────────────────────────────── */
@media ( max-width: 320px ) {
  .asf-buttons { flex-direction: column; }
}