/*========================================
  0) CSS Variables (mobile-first)
========================================*/
:root {
  --color-overlay:    rgba(0, 0, 0, 0.5);
  --color-status-text: #fff;
  --color-success-bg: rgba(40, 167, 69, 1);
  --color-error-bg:   rgba(220, 53, 69, 1);

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 8px;
}

/*========================================
  1) Modal & Overlay Base
========================================*/
.modal {
  position:       fixed;
  inset:          0;
  display:        flex;
  justify-content: center;
  align-items:    flex-start;
  padding-top:    4rem;
  background:     var(--color-overlay);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  opacity:        0;
  visibility:     hidden;
  transition:     opacity 0.3s ease, visibility 0.3s ease;
  z-index:        1000;
}
.modal.show {
  opacity:    1;
  visibility: visible;
}

/* Full-viewport modal content on mobile */
.modal-content {
  position:  fixed;
  top:       0;
  left:      0;
  width:     100vw;
  _height:    100vh;
  margin:    0;
  padding:   var(--space-md);
  background: #fff;
  border-radius: 0;
  box-shadow:    none;
  overflow-y:    auto;
}

.modal-close-btn {
  position: absolute;
  top: 0.2rem;
  right: 0.3rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: #333;
}
.modal-close-btn:focus,
.modal-close-btn:focus-visible {
  outline: none;
  color:   var(--color-primary);
}

/* hide top controls under mailForm */
body:has(#modal-mailForm.show) #topControls {
  display: none;
}

/*========================================
  2) Form-Blocker (to disable inputs)
========================================*/
.form-blocker {
  position:       absolute;
  inset:          0;
  background:     rgba(255,255,255,0.6);
  z-index:        1010;
  pointer-events: auto;
}
.form-blocker.hidden {
  display: none;
}

/*========================================
  3) Status Overlay (inside form)
========================================*/
.status-overlay {
  position:     absolute;
  inset:        0;
  display:      flex;
  align-items:  center;
  justify-content: center;
  padding:      var(--space-md);
  border:       1px solid #ddd;
  border-radius: var(--radius-sm);
  box-sizing:   border-box;
  opacity:      0;
  visibility:   hidden;
  transition:   opacity 0.3s ease, visibility 0.3s ease;
  z-index:      1020; /* above blocker */
  background:   var(--color-overlay); /* default sending background */
}
.status-overlay.visible {
  opacity:    1;
  visibility: visible;
  display: flex !important;
}

/* Mode backgrounds */
.status-overlay[data-status="sending"] {
  background: var(--color-overlay);
}
.status-overlay[data-status="success"] {
  background: var(--color-success-bg);
}
.status-overlay[data-status="error"] {
  background: var(--color-error-bg);
}

/* Status text */
.status-text {
  flex:       1;
  font-size:  0.9rem;
  color:      var(--color-status-text);
}

/* Error-only “OK” button */
.status-close {
  display: none;   /* default hidden */
  background: none;
  border:     none;
  cursor:     pointer;
  font-size:  1rem;
  color:      #555;
}
.status-overlay[data-status="error"] .status-close {
  display:        inline-flex;
  background:     #fff;
  color:          #dc3545;
  border:         1px solid #dc3545;
  border-radius:  var(--radius-sm);
  padding:        var(--space-xs) var(--space-sm);
}
.status-overlay[data-status="error"] .status-close:hover,
.status-overlay[data-status="error"] .status-close:focus {
  background: #dc3545;
  color:      #fff;
  outline:    none;
}

/*========================================
  4) Form Controls & Utilities
========================================*/
fieldset {
  border: none;
  margin: 0;
  padding: 0;
}

.inputWrapper {
  position:      relative;
  margin-bottom: var(--space-lg);
}

/* reduce margin above submit if next is .form-actions */
form .inputWrapper:has(+ .form-actions) {
  margin-bottom: 0;
}

.inputWrapper input,
.inputWrapper textarea {
  width:          100%;
  padding:        var(--space-sm);
  padding-right:  2rem;
  border:         1px solid #ccc;
  border-radius:  var(--radius-sm);
  font-size:      1rem;
}

/* focus ring only on keyboard focus */
.inputWrapper input:focus-visible,
.inputWrapper textarea:focus-visible {
  border-color:   #007acc;
  outline:        none;
  box-shadow:     0 0 0 3px rgba(0,122,204,0.3);
}

.inputWrapper textarea {
  min-height: 140px;
  resize:     vertical;
}

/* clear-field button */
.clear-button {
  position:      absolute;
  top:           65%;
  right:         var(--space-sm);
  transform:     translateY(-50%);
  display:       none;
  background:    none;
  border:        none;
  color:         #999;
  cursor:        pointer;
}
.inputWrapper textarea + .clear-button {
  top: 19%;
}
.clear-button.visible {
  display:        inline-flex !important;
  align-items:    center;
  justify-content: center;
}
.clear-button:focus-visible {
  outline:        none;
  color:          #007acc;
}

/* character counter */
.char-counter {
  position:       absolute;
  bottom:         0.3rem;
  right:          var(--space-sm);
  font-size:      0.8rem;
  color:          #666;
  pointer-events: none;
}

/* required-field asterisk */
label.required::after {
  content: '*';
  color:   red;
  margin-left: var(--space-xs);
}

/* submit button */
.form-actions {
  position: relative;
  text-align: left;
}
.submit-button {
  padding:       var(--space-sm) var(--space-lg);
  font-size:     1rem;
  border:        none;
  border-radius: var(--radius-sm);
  background:    #007acc;
  color:         #fff;
  transition:    background-color 0.3s ease;
}
.submit-button:disabled {
  opacity:       0.5;
  cursor:        not-allowed;
}

/*========================================
  5) Desktop Overrides (≥768px)
========================================*/
@media (min-width: 768px) {
  /* center modal vertically & dialog size */
  .modal {
    align-items: center;
    padding-top: 0;
  }
  .modal-content {
    position:      relative;
    width:         min(90vw, 500px);
    max-height:    90vh;
    margin:        0 var(--space-md);
    padding:       var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow:    0 5px 15px rgba(0,0,0,0.3);
    overflow-y:    auto;
  }

  /* grid layout for form fields */
  .inputWrapper {
    display:               grid;
    grid-template-columns: 100px 1fr;
    grid-column-gap:       var(--space-md);
    align-items:           start;
  }
  .inputWrapper label {
    grid-column: 1;
    margin:      0;
    padding-top: var(--space-sm);
  }
  .inputWrapper input,
  .inputWrapper textarea,
  .inputWrapper .clear-button,
  .inputWrapper .char-counter {
    grid-column: 2;
  }
  .inputWrapper .clear-button {
    top: 50% !important;
  }
  .inputWrapper textarea + .clear-button {
    top: 10% !important;
  }

  /* optionally adjust form width */
  #modal-mailForm .modal-content {
    width:      min(70vw, 600px);
    max-width:  none;
  }
}