/* ============================================
   MOBILE-OPTIMIZED TABLES & FORMS
   Responsive design for data displays and inputs
   ============================================ */

/* Base Form Styles - Mobile-First */
.form-group,
.mb-3 {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.form-control,
.form-select,
textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem; /* Prevents zoom on iOS */
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus,
.form-select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 106, 136, 0.1);
}

/* Touch target sizing (44px minimum) */
.form-control,
.form-select,
.btn {
  min-height: 44px;
}

/* Checkbox and Radio buttons - Touch-friendly */
input[type="checkbox"],
input[type="radio"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  margin-right: 0.5rem;
}

.form-check {
  display: flex;
  align-items: center;
  padding: 0.5rem 0;
  min-height: 44px;
}

.form-check-label {
  margin-bottom: 0;
  cursor: pointer;
  flex: 1;
}

/* Mobile-First Media Queries */

/* Mobile: 320px - 479px */
@media (max-width: 479px) {
  .form-group,
  .mb-3 {
    margin-bottom: 1.25rem;
  }

  label {
    font-size: 0.9rem;
    margin-bottom: 0.6rem;
  }

  .form-control,
  .form-select,
  textarea {
    padding: 0.75rem;
    font-size: 16px; /* Prevents zoom on iOS */
    line-height: 1.5;
  }

  textarea {
    min-height: 120px;
    resize: vertical;
  }

  /* Stack form groups */
  .row > [class*="col"] {
    flex-basis: 100%;
    max-width: 100%;
  }

  /* Full-width buttons */
  .btn {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    min-height: 44px;
    font-size: 1rem;
    font-weight: 600;
  }

  .btn-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .btn-group .btn {
    flex: 1;
  }

  /* Help text */
  .form-text,
  small {
    font-size: 0.85rem;
    display: block;
    margin-top: 0.3rem;
  }

  /* Error messages */
  .invalid-feedback,
  .error {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.85rem;
    color: var(--color-danger);
  }

  /* Success messages */
  .valid-feedback,
  .success {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.85rem;
    color: var(--color-success);
  }

  /* Fieldset */
  fieldset {
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-bottom: 1.5rem;
  }

  legend {
    padding: 0 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
  }
}

/* Tablet: 480px - 767px */
@media (max-width: 767px) {
  .form-control,
  .form-select,
  textarea {
    padding: 0.75rem;
    font-size: 15px;
  }

  .btn {
    min-height: 42px;
  }

  /* Two-column layout on tablet */
  .row.row-cols-2 > [class*="col"] {
    flex-basis: calc(50% - 0.5rem);
  }

  /* Keep single column for forms on tablet */
  .form-row > [class*="col"] {
    flex-basis: 100%;
    max-width: 100%;
  }
}

/* Desktop: 768px+ */
@media (min-width: 768px) {
  .form-control,
  .form-select,
  textarea {
    padding: 0.75rem;
    font-size: 1rem;
  }

  /* Multi-column layouts on desktop */
  .row.row-cols-2 > [class*="col"] {
    flex-basis: calc(50% - 0.75rem);
  }

  .row.row-cols-3 > [class*="col"] {
    flex-basis: calc(33.333% - 0.75rem);
  }

  /* Horizontal button groups */
  .btn-group {
    flex-direction: row;
    gap: 0.5rem;
  }

  .btn-group .btn {
    flex: 1;
  }

  /* Inline forms */
  .form-inline {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
  }

  .form-inline .form-group {
    flex: 1;
    margin-bottom: 0;
  }
}

/* ============================================
   TABLE RESPONSIVE DESIGN
   ============================================ */

/* Base table styles */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}

thead {
  background: var(--color-bg-light);
  border-bottom: 2px solid var(--color-border);
}

th {
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.95rem;
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
}

tbody tr:hover {
  background: var(--color-bg-lighter);
}

/* Mobile Table Design - Card Layout (opt-in via .table-mobile-cards) */
@media (max-width: 767px) {
  .table-mobile-cards {
    display: block;
    width: 100%;
    border: none;
    margin-bottom: 1.5rem;
  }

  .table-mobile-cards thead {
    display: none;
  }

  .table-mobile-cards tbody {
    display: block;
  }

  .table-mobile-cards tbody tr {
    display: block;
    margin-bottom: 1.5rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    padding: 0;
  }

  .table-mobile-cards tbody td {
    display: block;
    padding: 0.75rem;
    border: none;
    border-bottom: 1px solid var(--color-border-light);
    text-align: right;
  }

  .table-mobile-cards tbody td:last-child {
    border-bottom: none;
  }

  .table-mobile-cards tbody td::before {
    content: attr(data-label);
    display: block;
    font-weight: 600;
    float: left;
    text-align: left;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
  }

  .table-mobile-cards tbody td::after {
    content: "";
    display: table;
    clear: both;
  }

  .table-mobile-cards tbody tr > td:first-child {
    background: var(--color-bg-light);
    font-weight: 600;
    font-size: 1.05rem;
  }

  .table-mobile-cards tbody tr > td:first-child::before {
    display: none;
  }
}


/* Horizontal scroll table - Alternative for mobile */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 1.5rem;
}

.table-responsive table {
  min-width: 600px;
}

@media (max-width: 479px) {
  .table-responsive {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  }

  .table-responsive table {
    min-width: 500px;
  }

  th, td {
    padding: 0.75rem 0.5rem;
    font-size: 0.9rem;
  }
}

/* Sticky table headers on scroll */
thead th {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-bg-light);
}

/* ============================================
   FORM VALIDATION STYLES
   ============================================ */

/* Input validation states */
.form-control.is-invalid,
.form-control.is-invalid:focus {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-control.is-valid,
.form-control.is-valid:focus {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Loading state */
.form-control:disabled,
.form-select:disabled {
  background-color: var(--color-bg-light);
  color: var(--color-text-muted);
  cursor: not-allowed;
  opacity: 0.7;
}

/* ============================================
   SPECIAL FORM ELEMENTS
   ============================================ */

/* Select dropdown */
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px 12px;
  padding-right: 2.5rem;
}

.form-select::-ms-expand {
  display: none;
}

/* File input */
.form-control[type="file"] {
  padding: 0.5rem;
}

.form-control[type="file"]::file-selector-button {
  padding: 0.5rem 1rem;
  margin-right: 0.75rem;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  min-height: 40px;
}

/* Range input */
input[type="range"] {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--color-bg-light);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

/* ============================================
   TOUCH-FRIENDLY ENHANCEMENTS
   ============================================ */

@media (hover: none) and (pointer: coarse) {
  /* Larger touch targets */
  .form-control,
  .form-select,
  .btn,
  input[type="checkbox"],
  input[type="radio"] {
    min-height: 48px;
  }

  .form-check {
    min-height: 48px;
  }

  /* Better spacing for touch */
  .form-group {
    margin-bottom: 2rem;
  }

  .btn {
    padding: 0.85rem;
  }

  /* Remove hover effects */
  table tbody tr:hover {
    background: inherit;
  }

  /* Active state for touch */
  .btn:active {
    opacity: 0.8;
  }

  input:active,
  textarea:active,
  select:active {
    box-shadow: 0 0 0 3px rgba(255, 106, 136, 0.15);
  }
}

/* ============================================
   LANDSCAPE MODE OPTIMIZATIONS
   ============================================ */

@media (max-height: 500px) {
  .form-group,
  .mb-3 {
    margin-bottom: 0.75rem;
  }

  .form-control,
  .form-select,
  .btn {
    padding: 0.6rem;
    font-size: 0.95rem;
  }

  label {
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.form-row > * {
  flex: 1;
  min-width: 200px;
}

@media (max-width: 767px) {
  .form-row > * {
    flex: 1 1 100%;
    min-width: 100%;
  }
}

.form-group.required label::after {
  content: " *";
  color: var(--color-danger);
}

.form-help {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}