/**
 * Matrix Design System - Form Components (Consolidated)
 * Advanced form styling for Matrix-themed game management interface
 * Following WCAG 2.1 AA accessibility standards and BEM methodology
 * Uses matrix-base.css design tokens
 */

@layer components {
  /* === OPTIMIZED BASE FORM INPUTS === */
  /* Note: Basic inputs now inherit from matrix-base.css */
  
  /* Enhanced Input Variants */
  .input-matrix-glow:focus {
    box-shadow: var(--matrix-glow-sm), 0 0 0 3px var(--matrix-green-20);
    text-shadow: var(--matrix-text-glow-sm);
  }
  
  /* === LEGACY COMPATIBILITY EXTENSIONS === */
  /* Note: Basic inputs (textarea-matrix, select-matrix, checkbox-matrix, etc.) 
     are now available in matrix-base.css with improved design tokens */
  
  /* Advanced Form Input Variants */
  .input-group-matrix {
    position: relative;
  }
  
  .input-icon-left {
    padding-left: var(--matrix-space-10);
  }
  
  .input-icon-right {
    padding-right: var(--matrix-space-10);
  }
  
  .input-group-matrix .icon-left {
    position: absolute;
    left: var(--matrix-space-3);
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--matrix-text-muted);
  }
  
  .input-group-matrix .icon-right {
    position: absolute;
    right: var(--matrix-space-3);
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--matrix-text-muted);
  }
  
  /* Search input with terminal styling */
  .search-matrix {
    padding-left: var(--matrix-space-10);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2300ff41' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M9 9l-4 4m0 0a8 8 0 1 1 8-8 8 8 0 0 1-8 8z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: left 12px center;
    background-size: 16px 16px;
  }
  
  /* Password input with show/hide toggle */
  .password-toggle-matrix {
    position: absolute;
    right: var(--matrix-space-3);
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--matrix-text-muted);
    cursor: pointer;
    transition: color var(--matrix-duration-fast) ease-out;
  }
  
  .password-toggle-matrix:hover {
    color: var(--matrix-text-primary);
  }

  /* ============================================================================
     MATRIX FORM ADVANCED COMPONENTS
     ============================================================================ */

  .form-matrix {
    @apply min-h-screen;
    background: var(--matrix-bg-primary);
    color: var(--matrix-text-primary);
    font-family: var(--matrix-font-mono);
  }

  .form-matrix__container {
    @apply max-w-7xl mx-auto px-4 py-8 space-y-8;
  }

  /* ============================================================================
     FORM WIZARD NAVIGATION
     ============================================================================ */

  .form-wizard {
    @apply relative;
  }

  .form-wizard__nav {
    @apply mb-8 p-4 rounded-lg border;
    background: var(--matrix-bg-secondary);
    border-color: var(--matrix-border-secondary);
  }

  .form-wizard__steps {
    @apply flex items-center justify-between;
    position: relative;
  }

  .form-wizard__step {
    @apply flex items-center space-x-3 px-4 py-2 rounded transition-all duration-300 cursor-pointer;
    background: var(--matrix-bg-tertiary);
    border: 1px solid var(--matrix-border-secondary);
    min-width: 120px;
    z-index: 2;
  }

  .form-wizard__step--active {
    background: rgba(0, 255, 65, 0.2);
    border-color: var(--matrix-green);
    color: var(--matrix-green);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
  }

  .form-wizard__step--completed {
    background: rgba(0, 255, 65, 0.1);
    border-color: var(--matrix-green);
    color: var(--matrix-green);
  }

  .form-wizard__step--disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }

  .form-wizard__step-number {
    @apply w-6 h-6 rounded-full flex items-center justify-center text-xs font-bold;
    background: var(--matrix-bg-primary);
    border: 1px solid var(--matrix-border-secondary);
  }

  .form-wizard__step--active .form-wizard__step-number,
  .form-wizard__step--completed .form-wizard__step-number {
    background: var(--matrix-green);
    color: var(--matrix-black);
    border-color: var(--matrix-green);
  }

  .form-wizard__step-label {
    @apply text-sm font-mono uppercase tracking-wide;
  }

  /* Progress Line */
  .form-wizard__steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--matrix-border-secondary);
    z-index: 1;
  }

  .form-wizard__progress-line {
    position: absolute;
    top: 50%;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--matrix-green), var(--matrix-green-light));
    z-index: 1;
    transition: width 0.5s ease;
    transform: translateY(-50%);
  }

  /* ============================================================================
     FORM SECTION TERMINALS
     ============================================================================ */

  .form-section {
    @apply transition-all duration-500;
    opacity: 0;
    transform: translateY(20px);
  }

  .form-section--active {
    opacity: 1;
    transform: translateY(0);
  }

  .form-section--hidden {
    @apply hidden;
  }

  .form-terminal {
    @apply rounded-lg border transition-all duration-300;
    background: var(--matrix-bg-secondary);
    border-color: var(--matrix-border-secondary);
    position: relative;
    overflow: hidden;
  }

  .form-terminal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--matrix-green), var(--matrix-green-light));
    transform: scaleX(0);
    transition: transform 0.5s ease;
  }

  .form-terminal--focused::before {
    transform: scaleX(1);
  }

  .form-terminal__header {
    @apply p-4 border-b;
    background: linear-gradient(135deg, var(--matrix-bg-tertiary), var(--matrix-bg-secondary));
    border-color: var(--matrix-border-secondary);
  }

  .form-terminal__title {
    @apply flex items-center justify-between;
  }

  .form-terminal__name {
    @apply flex items-center space-x-3;
  }

  .form-terminal__icon {
    @apply text-2xl;
    color: var(--matrix-green);
  }

  .form-terminal__label {
    @apply font-mono font-bold uppercase tracking-wide text-lg;
    color: var(--matrix-text-primary);
  }

  .form-terminal__status {
    @apply flex items-center space-x-2 text-sm font-mono;
  }

  .form-terminal__indicator {
    @apply w-2 h-2 rounded-full;
    background: var(--matrix-green);
  }

  .form-terminal__indicator--processing {
    animation: matrix-pulse 1.5s infinite;
  }

  .form-terminal__body {
    @apply p-6 space-y-6;
  }

  /* ============================================================================
     MATRIX FORM FIELDS
     ============================================================================ */

  .form-field {
    @apply space-y-2;
  }

  .form-field--required .form-field__label::after {
    content: ' *';
    color: var(--matrix-error);
  }

  .form-field__label {
    @apply block text-sm font-mono font-bold uppercase tracking-wide;
    color: var(--matrix-green);
  }

  .form-field__input {
    @apply w-full px-4 py-3 rounded border bg-transparent transition-all duration-300;
    border-color: var(--matrix-border-secondary);
    color: var(--matrix-text-primary);
    font-family: var(--matrix-font-mono);
    font-size: 0.9rem;
    position: relative;
  }

  .form-field__input:focus {
    outline: none;
    border-color: var(--matrix-green);
    box-shadow: 0 0 0 3px rgba(0, 255, 65, 0.2);
  }

  .form-field__input:focus + .form-field__scan-line {
    animation: scanner-sweep 2s ease-in-out;
  }

  .form-field__input--error {
    border-color: var(--matrix-error);
    box-shadow: 0 0 0 3px rgba(255, 0, 64, 0.2);
  }

  .form-field__input--valid {
    border-color: var(--matrix-green);
    box-shadow: 0 0 0 3px rgba(0, 255, 65, 0.1);
  }

  .form-field__scan-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 65, 0.2), transparent);
    transform: translateX(-100%);
  }

  .form-field__textarea {
    @apply min-h-24 resize-y;
  }

  .form-field__select {
    @apply appearance-none cursor-pointer;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300ff41' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
  }

  .form-field__help {
    @apply text-xs font-mono;
    color: var(--matrix-text-muted);
  }

  .form-field__error {
    @apply text-xs font-mono;
    color: var(--matrix-error);
  }

  /* ============================================================================
     TAG INPUT SYSTEM
     ============================================================================ */

  .tag-input {
    @apply space-y-3;
  }

  .tag-input__field {
    @apply relative;
  }

  .tag-input__input {
    @apply w-full px-4 py-3 rounded border bg-transparent transition-all duration-300;
    border-color: var(--matrix-border-secondary);
    color: var(--matrix-text-primary);
    font-family: var(--matrix-font-mono);
  }

  .tag-input__input:focus {
    border-color: var(--matrix-green);
    box-shadow: 0 0 0 3px rgba(0, 255, 65, 0.2);
    outline: none;
  }

  .tag-input__suggestions {
    @apply absolute top-full left-0 right-0 mt-1 bg-black border rounded z-50 max-h-48 overflow-y-auto;
    border-color: var(--matrix-border-secondary);
    display: none;
  }

  .tag-input__suggestion {
    @apply px-4 py-2 cursor-pointer transition-all duration-200 font-mono text-sm;
    color: var(--matrix-text-primary);
  }

  .tag-input__suggestion:hover {
    background: rgba(0, 255, 65, 0.1);
    color: var(--matrix-green);
  }

  .tag-input__display {
    @apply flex flex-wrap gap-2 min-h-12 p-3 rounded border;
    background: var(--matrix-bg-tertiary);
    border-color: var(--matrix-border-secondary);
  }

  .tag-input__tag {
    @apply inline-flex items-center px-3 py-1 rounded-full border transition-all duration-200;
    background: rgba(0, 255, 65, 0.2);
    border-color: var(--matrix-green);
    color: var(--matrix-green);
    font-family: var(--matrix-font-mono);
    font-size: 0.8rem;
  }

  .tag-input__tag:hover {
    background: rgba(0, 255, 65, 0.3);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
  }

  .tag-input__tag-remove {
    @apply ml-2 cursor-pointer font-bold hover:text-white transition-colors;
  }

  /* ============================================================================
     FORM VALIDATION SYSTEM
     ============================================================================ */

  .validation-message {
    @apply fixed top-4 right-4 z-50 p-4 rounded border transition-all duration-300;
    background: var(--matrix-bg-secondary);
    border-color: var(--matrix-border-secondary);
    transform: translateX(100%);
    opacity: 0;
    max-width: 400px;
  }

  .validation-message--show {
    transform: translateX(0);
    opacity: 1;
  }

  .validation-message--success {
    background: rgba(0, 255, 65, 0.2);
    border-color: var(--matrix-green);
    color: var(--matrix-green);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
  }

  .validation-message--error {
    background: rgba(255, 0, 64, 0.2);
    border-color: var(--matrix-error);
    color: var(--matrix-error);
    box-shadow: 0 0 20px rgba(255, 0, 64, 0.3);
  }

  .validation-message--info {
    background: rgba(0, 255, 255, 0.2);
    border-color: #00ffff;
    color: #00ffff;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
  }

  .validation-message__header {
    @apply flex items-center justify-between mb-2;
  }

  .validation-message__icon {
    @apply text-lg mr-2;
  }

  .validation-message__title {
    @apply font-mono font-bold uppercase tracking-wide text-sm;
  }

  .validation-message__close {
    @apply w-6 h-6 rounded cursor-pointer transition-all duration-200 flex items-center justify-center;
    background: transparent;
    border: none;
    color: inherit;
  }

  .validation-message__close:hover {
    background: rgba(255, 255, 255, 0.1);
  }

  .validation-message__content {
    @apply text-sm font-mono;
  }

  /* ============================================================================
     AUTO-SAVE SYSTEM
     ============================================================================ */

  .autosave-indicator {
    @apply fixed bottom-4 right-4 z-50 px-4 py-2 rounded border transition-all duration-300;
    background: var(--matrix-bg-secondary);
    border-color: var(--matrix-border-secondary);
    color: var(--matrix-text-secondary);
    font-family: var(--matrix-font-mono);
    font-size: 0.8rem;
    opacity: 0;
    transform: translateY(100%);
  }

  .autosave-indicator--show {
    opacity: 1;
    transform: translateY(0);
  }

  .autosave-indicator--saving {
    border-color: var(--matrix-warning);
    color: var(--matrix-warning);
    box-shadow: 0 0 15px rgba(255, 193, 7, 0.3);
  }

  .autosave-indicator--saved {
    border-color: var(--matrix-green);
    color: var(--matrix-green);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.3);
  }

  .autosave-indicator--error {
    border-color: var(--matrix-error);
    color: var(--matrix-error);
    box-shadow: 0 0 15px rgba(255, 0, 64, 0.3);
  }

  .autosave-spinner {
    @apply inline-block w-4 h-4 ml-2 border-2 border-current border-t-transparent rounded-full;
    animation: spin 1s linear infinite;
  }

  /* ============================================================================
     ENHANCEMENT TOOLS PANEL
     ============================================================================ */

  .enhancement-panel {
    @apply p-6 rounded-lg border mb-6;
    background: linear-gradient(135deg, var(--matrix-bg-tertiary), var(--matrix-bg-secondary));
    border-color: var(--matrix-border-secondary);
  }

  .enhancement-panel__header {
    @apply flex items-center space-x-3 mb-4;
  }

  .enhancement-panel__icon {
    @apply text-2xl;
    color: var(--matrix-green);
  }

  .enhancement-panel__title {
    @apply font-mono font-bold uppercase tracking-wide text-lg;
    color: var(--matrix-text-primary);
  }

  .enhancement-panel__description {
    @apply text-sm font-mono mb-4;
    color: var(--matrix-text-secondary);
  }

  .enhancement-panel__actions {
    @apply grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-3;
  }

  .enhancement-btn {
    @apply px-4 py-2 rounded border transition-all duration-300 cursor-pointer;
    background: var(--matrix-bg-secondary);
    border-color: var(--matrix-border-secondary);
    color: var(--matrix-text-primary);
    font-family: var(--matrix-font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: bold;
  }

  .enhancement-btn:hover {
    border-color: var(--matrix-green);
    background: rgba(0, 255, 65, 0.1);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.3);
    transform: translateY(-2px);
  }

  .enhancement-btn:disabled,
  .enhancement-btn--loading {
    opacity: 0.7;
    cursor: not-allowed;
    animation: matrix-pulse 1s infinite;
  }

  .enhancement-status {
    @apply mt-4 p-3 rounded border transition-all duration-300;
    font-family: var(--matrix-font-mono);
    font-size: 0.9rem;
    display: none;
  }

  .enhancement-status.info {
    background: rgba(0, 255, 255, 0.1);
    border-color: #00ffff;
    color: #00ffff;
    display: block;
  }

  .enhancement-status.success {
    background: rgba(0, 255, 65, 0.1);
    border-color: var(--matrix-green);
    color: var(--matrix-green);
    display: block;
  }

  .enhancement-status.error {
    background: rgba(255, 0, 64, 0.1);
    border-color: var(--matrix-error);
    color: var(--matrix-error);
    display: block;
  }

  /* ============================================================================
     FORM ACTIONS
     ============================================================================ */

  .form-actions {
    @apply sticky bottom-0 p-6 border-t bg-black/90 backdrop-blur-sm z-40;
    border-color: var(--matrix-border-secondary);
  }

  .form-actions__container {
    @apply flex items-center justify-between max-w-7xl mx-auto;
  }

  .form-actions__buttons {
    @apply flex items-center space-x-4;
  }

  .form-btn {
    @apply px-6 py-3 rounded border transition-all duration-300 cursor-pointer;
    font-family: var(--matrix-font-mono);
    font-weight: bold;
    text-transform: uppercase;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .form-btn--primary {
    background: linear-gradient(135deg, var(--matrix-green), var(--matrix-green-light));
    border-color: var(--matrix-green);
    color: var(--matrix-black);
  }

  .form-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 255, 65, 0.4);
  }

  .form-btn--secondary {
    background: var(--matrix-bg-secondary);
    border-color: var(--matrix-border-secondary);
    color: var(--matrix-text-primary);
  }

  .form-btn--secondary:hover {
    border-color: var(--matrix-green);
    background: rgba(0, 255, 65, 0.1);
  }

  .form-btn--danger {
    background: var(--matrix-bg-secondary);
    border-color: var(--matrix-error);
    color: var(--matrix-error);
  }

  .form-btn--danger:hover {
    background: var(--matrix-error);
    color: var(--matrix-black);
  }

  .form-btn:disabled,
  .form-btn--loading {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
  }

  .form-btn--loading::after {
    content: '';
    @apply ml-2 w-4 h-4 border-2 border-current border-t-transparent rounded-full;
    animation: spin 1s linear infinite;
  }

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

  @media (max-width: 768px) {
    .form-matrix__container {
      @apply px-2 py-4;
    }

    .form-wizard__nav {
      @apply p-2;
    }

    .form-wizard__steps {
      @apply flex-col space-y-2;
    }

    .form-wizard__steps::before {
      display: none;
    }

    .form-wizard__progress-line {
      display: none;
    }

    .form-wizard__step {
      @apply w-full justify-center;
    }

    .form-terminal__body {
      @apply p-4 space-y-4;
    }

    .form-field__input {
      @apply text-base;
      /* Prevent zoom on iOS */
      font-size: 16px;
    }

    .enhancement-panel__actions {
      @apply grid-cols-1 gap-2;
    }

    .form-actions {
      @apply p-4;
    }

    .form-actions__container {
      @apply flex-col space-y-3;
    }

    .form-actions__buttons {
      @apply flex-col w-full space-y-2 space-x-0;
    }

    .form-btn {
      @apply w-full;
    }

    .validation-message {
      @apply left-2 right-2 top-2;
      max-width: none;
    }
  }

  /* ============================================================================
     ACCESSIBILITY ENHANCEMENTS
     ============================================================================ */

  /* High contrast mode */
  @media (prefers-contrast: high) {
    .form-terminal,
    .form-field__input,
    .tag-input__display,
    .enhancement-panel {
      border-width: 3px;
    }

    .form-btn,
    .enhancement-btn {
      border-width: 2px;
      font-weight: bold;
    }
  }

  /* Reduced motion */
  @media (prefers-reduced-motion: reduce) {
    .form-section,
    .form-terminal,
    .form-field__input,
    .validation-message,
    .autosave-indicator,
    .enhancement-btn,
    .form-btn {
      transition: none;
    }

    .form-field__scan-line,
    .form-wizard__progress-line,
    .autosave-spinner {
      animation: none;
    }
  }

  /* Focus indicators */
  .form-wizard__step:focus,
  .form-field__input:focus,
  .tag-input__input:focus,
  .enhancement-btn:focus,
  .form-btn:focus {
    outline: 3px solid var(--matrix-green);
    outline-offset: 2px;
  }

  /* Screen reader only content */
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  /* ============================================================================
     ANIMATIONS
     ============================================================================ */

  @keyframes scanner-sweep {
    0% {
      transform: translateX(-100%);
    }
    50% {
      transform: translateX(100%);
    }
    100% {
      transform: translateX(100%);
    }
  }

  @keyframes matrix-pulse {
    0%, 100% {
      opacity: 1;
    }
    50% {
      opacity: 0.6;
    }
  }

  @keyframes spin {
    from {
      transform: rotate(0deg);
    }
    to {
      transform: rotate(360deg);
    }
  }
}