/**
 * FormInput Component - Heiwa Edition
 * Larger border radius, teal focus color, softer shadows
 */

/* ===== CSS VARIABLES ===== */
:root {
  /* Typography */
  --fi-font-size: 0.875rem;           /* 14px */
  --fi-font-weight: 400;              /* Regular weight */
  --fi-line-height: 1.5;              /* Standard line height */
  --fi-label-font-weight: 500;        /* Medium weight for labels */

  /* Spacing System */
  --fi-spacing-xs: 0.25rem;           /* 4px */
  --fi-spacing-sm: 0.375rem;          /* 6px */
  --fi-spacing-md: 0.5rem;            /* 8px */
  --fi-spacing-lg: 0.75rem;           /* 12px */
  --fi-spacing-xl: 1rem;              /* 16px */

  /* Input Dimensions - Heiwa: Larger radius */
  --fi-input-height: 2.75rem;         /* 44px - touch-friendly */
  --fi-input-padding-x: var(--fi-spacing-lg);
  --fi-input-padding-y: var(--fi-spacing-md);
  --fi-border-radius: 12px;           /* Heiwa: 12px radius */
  --fi-border-width: 1px;

  /* Colors - Light Theme */
  --fi-bg: #ffffff;
  --fi-text: #111827;
  --fi-border: #d1d5db;
  --fi-border-focus: #00bbb3;         /* Heiwa teal */
  --fi-placeholder: #9ca3af;

  /* Label Colors */
  --fi-label-text: #374151;
  --fi-required-text: #00bbb3;        /* Heiwa teal */

  /* State Colors */
  --fi-error-border: #ef4444;
  --fi-error-text: #dc2626;
  --fi-error-bg: #fef2f2;

  --fi-success-border: #008270;
  --fi-success-text: #008270;
  --fi-success-bg: #d9f2f0;

  /* Helper Text */
  --fi-helper-text: #6b7280;
  --fi-helper-size: 0.75rem;

  /* Transitions */
  --fi-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows - Heiwa: Softer focus glow */
  --fi-shadow-focus: 0 0 0 3px rgba(0, 187, 179, 0.15);
  --fi-shadow-error: none;
  --fi-shadow-success: none;
}

/* ===== BASE COMPONENT ===== */
.form-input-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--fi-spacing-sm);
  width: 100%;
  margin-bottom: 1.5rem !important;
}

.form-input-wrapper:last-child {
  margin-bottom: 0 !important;
}

/* ===== LABEL ===== */
.form-label {
  display: flex;
  align-items: center;
  gap: var(--fi-spacing-xs);
  font-size: var(--fi-font-size);
  font-weight: var(--fi-label-font-weight);
  color: var(--fi-label-text);
  line-height: var(--fi-line-height);
  margin: 0;
}

.label-text {
  flex: 0 0 auto;
}

.required-indicator {
  color: var(--fi-required-text);
  font-weight: 600;
  line-height: 1;
  margin-left: 0.15rem;
}

/* ===== INPUT CONTAINER ===== */
.input-container {
  position: relative;
  display: block;
}

/* ===== INPUT FIELD ===== */
.form-input {
  /* Layout */
  display: block;
  width: 100%;
  min-height: var(--fi-input-height);
  padding: var(--fi-input-padding-y) var(--fi-input-padding-x);

  /* Typography */
  font-size: var(--fi-font-size);
  font-weight: var(--fi-font-weight);
  line-height: var(--fi-line-height);
  color: var(--fi-text);

  /* Appearance - Heiwa: 12px radius */
  background-color: var(--fi-bg);
  border: var(--fi-border-width) solid var(--fi-border);
  border-radius: var(--fi-border-radius);
  box-shadow: none;

  /* Remove default styling */
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;

  /* Smooth transitions */
  transition: var(--fi-transition);
}

.form-input::placeholder {
  color: var(--fi-placeholder);
  opacity: 1;
}

/* ===== INPUT STATES ===== */

/* Focus State - Heiwa teal */
.form-input:focus {
  border-color: var(--fi-border-focus);
  box-shadow: var(--fi-shadow-focus);
  outline: none;
}

/* Keyboard-only focus ring (accessibility) */
.form-input:focus-visible {
  outline: 2px solid #00bbb3;
  outline-offset: 2px;
}

/* Disabled State */
.form-input:disabled {
  background-color: #ffffff;
  color: #9ca3af;
  cursor: not-allowed;
  opacity: 0.6;
}

/* ===== SUCCESS STATE ===== */
.form-input-wrapper.success .form-input {
  border-color: var(--fi-success-border);
  box-shadow: var(--fi-shadow-success);
  padding-right: calc(var(--fi-input-padding-x) + 2rem); /* Space for icon */
}

.form-input-wrapper.success .form-input:focus {
  border-color: var(--fi-success-border);
  box-shadow: 0 0 0 3px rgba(0, 130, 112, 0.15);
  outline: none;
}

.form-input-wrapper.success .form-input:focus-visible {
  outline: 2px solid var(--fi-success-border);
  outline-offset: 2px;
}

.form-input-wrapper.success .success-indicator {
  position: absolute;
  top: 50%;
  right: var(--fi-input-padding-x);
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fi-success-text);
  pointer-events: none;
}

/* ===== ERROR STATE ===== */
.form-input-wrapper.error .form-input {
  border-color: var(--fi-error-border);
  box-shadow: var(--fi-shadow-error);
}

.form-input-wrapper.error .form-input:focus {
  border-color: var(--fi-error-border);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
  outline: none;
}

.form-input-wrapper.error .form-input:focus-visible {
  outline: 2px solid var(--fi-error-border);
  outline-offset: 2px;
}

/* ===== HELPER TEXT ===== */
.helper-text {
  font-size: var(--fi-helper-size);
  color: var(--fi-helper-text);
  line-height: 1.4;
  margin: 0;
}

.helper-message {
  display: block;
}

/* ===== ERROR MESSAGE ===== */
.error-message {
  display: none;
  align-items: flex-start;
  gap: var(--fi-spacing-sm);
  font-size: var(--fi-helper-size);
  color: var(--fi-error-text);
  line-height: 1.4;
  margin: 0;
}

.form-input-wrapper.error .error-message {
  display: flex;
}

.error-icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  margin-top: 0.125rem; /* Align with text */
}

.error-text {
  flex: 1;
}

/* ===== SUCCESS INDICATOR ===== */
.success-indicator {
  display: none;
}

.form-input-wrapper.success .success-indicator {
  display: flex !important;
}

.success-icon {
  width: 1rem;
  height: 1rem;
}

/* ===== ERROR INDICATOR ===== */
.error-indicator {
  display: none;
}

.form-input-wrapper.error .error-indicator {
  display: flex !important;
  position: absolute;
  top: 50%;
  right: var(--fi-input-padding-x);
  transform: translateY(-50%);
  align-items: center;
  justify-content: center;
  color: var(--fi-error-text);
  pointer-events: none;
}

.form-input-wrapper.error .form-input {
  padding-right: calc(var(--fi-input-padding-x) + 2rem); /* Space for X icon */
}

.error-indicator-icon {
  width: 1rem;
  height: 1rem;
}

/* ===== INPUT SIZES ===== */
.form-input-sm {
  min-height: 2.25rem; /* 36px */
  padding: 0.375rem 0.5rem;
  font-size: 0.75rem;
}

.form-input-md {
  min-height: var(--fi-input-height);
  padding: var(--fi-input-padding-y) var(--fi-input-padding-x);
  font-size: var(--fi-font-size);
}

.form-input-lg {
  min-height: 3rem; /* 48px */
  padding: 0.75rem 1rem;
  font-size: 1rem;
}

/* Adjust icon spacing for different sizes */
.form-input-wrapper.success .form-input-sm {
  padding-right: 2rem;
}

.form-input-wrapper.success .form-input-lg {
  padding-right: 3rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 640px) {
  :root {
    --fi-input-height: 3rem; /* Larger touch targets on mobile */
    --fi-font-size: 1rem; /* Prevent zoom on iOS */
  }

  .form-input-sm {
    min-height: 2.5rem;
    font-size: 0.875rem;
  }

  .helper-text,
  .error-message {
    font-size: 0.8125rem;
  }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  .form-input {
    transition: none;
  }
}

@media (prefers-contrast: high) {
  .form-input {
    border-width: 2px;
  }

  .form-input:focus {
    box-shadow: none;
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .form-input {
    border: 1px solid #000 !important;
    background: #fff !important;
    color: #000 !important;
    box-shadow: none !important;
  }

  .error-message,
  .helper-text {
    display: none !important;
  }
}

/* ===== Dark Mode ===== */
html.dark-mode {
  --fi-bg: #1a1f26;
  --fi-text: #f5f5f5;
  --fi-border: #2d3640;
  --fi-border-focus: #00bbb3;
  --fi-placeholder: #6b7684;
  --fi-label-text: #a8b2bd;
  --fi-required-text: #00bbb3;
  --fi-error-border: #f87171;
  --fi-error-text: #fca5a5;
  --fi-error-bg: rgba(239, 68, 68, 0.1);
  --fi-success-border: #4ade80;
  --fi-success-text: #86efac;
  --fi-success-bg: rgba(34, 197, 94, 0.1);
  --fi-helper-text: #6b7684;
}