/* ============================================================
   EUSTANCE TECHNOLOGY — WhatsApp Enquiry System CSS
   File: css/whatsapp-enquiry.css
   Description: Validation states + Toast notifications only.
                Does NOT redesign any existing UI element.
   ============================================================

   Scope:
   ─ .et-input-error   / .et-input-valid  — field validation
   ─ .et-error-message                    — inline error text
   ─ #et-toast-container  .et-toast…      — toast system
   ─ .et-btn-loading   .et-btn-spinner    — submit button state
   ============================================================ */

/* ────────────────────────────────────────────────────────────
   1. VALIDATION STATES
   Applied to <input>, <textarea>, <select> elements
──────────────────────────────────────────────────────────── */

/* Error state */
.et-input-error {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.18) !important;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Valid state */
.et-input-valid {
  border-color: #22c55e !important;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.14) !important;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Inline error message text */
.et-error-message {
  display: block;
  margin-top: 5px;
  font-size: 0.78rem;
  font-weight: 500;
  color: #f87171;
  letter-spacing: 0.01em;
  line-height: 1.4;

  /* Smooth slide-in */
  animation: et-errIn 0.18s ease forwards;
}

@keyframes et-errIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ────────────────────────────────────────────────────────────
   2. SUBMIT BUTTON LOADING STATE
──────────────────────────────────────────────────────────── */

/* Loading state container */
.et-btn-loading {
  position: relative;
  cursor: not-allowed !important;
  opacity: 0.85;
  pointer-events: none;
  display: inline-flex !important;
  align-items: center;
  gap: 10px;
}

/* Spinner element */
.et-btn-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: et-spin 0.7s linear infinite;
  flex-shrink: 0;
}

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

/* ────────────────────────────────────────────────────────────
   3. TOAST NOTIFICATION SYSTEM
──────────────────────────────────────────────────────────── */

/* Toast container — fixed bottom-right */
#et-toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  pointer-events: none;
}

/* Base toast card */
.et-toast {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  min-width: 280px;
  max-width: 360px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);

  /* Glassmorphism card — matches site's dark navy theme */
  background: rgba(10, 22, 48, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.45),
    0 2px 8px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);

  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: #e2e8f0;
  line-height: 1.45;

  pointer-events: all;
  cursor: default;
  user-select: none;

  /* Start hidden — slide up from below */
  opacity: 0;
  transform: translateY(16px) scale(0.96);
  transition:
    opacity 0.28s cubic-bezier(0.34, 1.56, 0.64, 1),
    transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Active (visible) state */
.et-toast--active {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Exit (hiding) state */
.et-toast--exit {
  opacity: 0;
  transform: translateY(8px) scale(0.95);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
  pointer-events: none;
}

/* ── Toast Icon ── */
.et-toast__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 1px;
}

.et-toast__icon svg {
  width: 18px;
  height: 18px;
}

/* ── Toast Message text ── */
.et-toast__message {
  flex: 1;
  padding-top: 1px;
}

/* ── Close Button ── */
.et-toast__close {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  padding: 0;
  margin-left: 4px;
  margin-top: 1px;

  background: transparent;
  border: none;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}

.et-toast__close:hover {
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.08);
}

.et-toast__close:focus-visible {
  outline: 2px solid rgba(50, 136, 217, 0.7);
  outline-offset: 2px;
}

.et-toast__close svg {
  width: 14px;
  height: 14px;
}

/* ── Toast Type Variants ── */

/* Success — green left border + icon */
.et-toast--success {
  border-left: 3px solid #22c55e;
}
.et-toast--success .et-toast__icon {
  color: #4ade80;
}

/* Error — red left border + icon */
.et-toast--error {
  border-left: 3px solid #ef4444;
}
.et-toast--error .et-toast__icon {
  color: #f87171;
}

/* Warning — amber left border + icon */
.et-toast--warning {
  border-left: 3px solid #f59e0b;
}
.et-toast--warning .et-toast__icon {
  color: #fbbf24;
}

/* Info — blue left border + icon (matches site's accent #3288d9) */
.et-toast--info {
  border-left: 3px solid #3288d9;
}
.et-toast--info .et-toast__icon {
  color: #60a5fa;
}

/* ────────────────────────────────────────────────────────────
   4. RESPONSIVE ADJUSTMENTS
──────────────────────────────────────────────────────────── */

@media (max-width: 480px) {
  #et-toast-container {
    bottom: 16px;
    right: 12px;
    left: 12px;
    align-items: stretch;
  }

  .et-toast {
    min-width: unset;
    max-width: 100%;
  }
}