/**
 * Cultural Activities Report - Styles
 *
 * Professional, clean styling for the J-1 Teacher report form
 */

/* ========================================
   CSS Variables & Reset
   ======================================== */

:root {
  /* Colors */
  --color-primary: #1e4d8c;
  --color-primary-dark: #153a6a;
  --color-primary-light: #2d6bc4;
  --color-secondary: #666666;
  --color-accent: #2d7a47;
  --color-accent-light: #3d9a5a;

  --color-success: #28a745;
  --color-error: #dc3545;
  --color-warning: #ffc107;

  --color-bg: #f5f7fa;
  --color-bg-white: #ffffff;
  --color-bg-light: #f8f9fa;
  --color-border: #dee2e6;
  --color-border-light: #e9ecef;

  --color-text: #212529;
  --color-text-secondary: #6c757d;
  --color-text-muted: #adb5bd;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-xs: 12px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --font-size-xxl: 32px;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

/* ========================================
   App Container & Layout
   ======================================== */

.app-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========================================
   Organization Header
   ======================================== */

.org-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.org-logo {
  height: 60px;
  width: auto;
}

.org-name {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
}

/* ========================================
   Header
   ======================================== */

.app-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--color-primary);
}

.app-header .instructor-name-header {
  margin: 0 0 var(--spacing-md);
  color: var(--color-primary);
  font-size: var(--font-size-xxl);
  font-weight: 700;
  min-height: 40px;
}

.app-header h2 {
  margin: 0 0 var(--spacing-xs);
  color: var(--color-primary);
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.app-header .school-year-display {
  margin: var(--spacing-sm) 0 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  font-weight: 500;
}

.app-header .subtitle {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
}

/* ========================================
   Progress Indicator
   ======================================== */

.wizard-progress {
  margin-bottom: var(--spacing-xl);
}

.progress-steps {
  display: flex;
  justify-content: space-between;
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.progress-steps::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 10%;
  right: 10%;
  height: 2px;
  background-color: var(--color-border);
  z-index: 0;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
  flex: 1;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-bg-white);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: var(--transition-normal);
}

.step-label {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: center;
  transition: var(--transition-normal);
}

.progress-step.active .step-number {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.progress-step.active .step-label {
  color: var(--color-primary);
  font-weight: 600;
}

.progress-step.completed .step-number {
  background-color: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

.progress-step.completed .step-number::after {
  content: '✓';
}

/* ========================================
   Wizard Content
   ======================================== */

.wizard-content {
  flex: 1;
  background-color: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.wizard-step {
  display: none;
  animation: fadeIn var(--transition-normal);
}

.wizard-step.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.wizard-step h2 {
  margin: 0 0 var(--spacing-sm);
  color: var(--color-primary);
  font-size: var(--font-size-xl);
}

.step-description {
  margin: 0 0 var(--spacing-lg);
  color: var(--color-text-secondary);
}

/* ========================================
   Form Elements
   ======================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--color-text);
}

.required {
  color: var(--color-error);
}

.tooltip {
  display: inline-block;
  width: 18px;
  height: 18px;
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  cursor: help;
}

.field-hint {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.field-error {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-error);
  min-height: 20px;
}

input[type="text"],
input[type="date"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg-white);
  transition: var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 77, 140, 0.1);
}

input.invalid,
select.invalid,
textarea.invalid {
  border-color: var(--color-error);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

/* Auto-expanding textarea */
textarea.auto-expand {
  overflow: hidden;
  resize: none;
  min-height: 100px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   Buttons
   ======================================== */

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
}

.btn-primary:disabled {
  background-color: var(--color-text-muted);
  cursor: not-allowed;
}

.btn-secondary {
  background-color: var(--color-bg-light);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-border-light);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

.btn-icon-only {
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-white);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.btn-icon-only:hover:not(:disabled) {
  background-color: var(--color-bg-light);
}

.btn-icon-only:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-remove-activity {
  color: var(--color-error);
}

/* ========================================
   Image Upload
   ======================================== */

.image-upload-area,
.photos-upload-area {
  position: relative;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  text-align: center;
  cursor: pointer;
  transition: var(--transition-fast);
  background-color: var(--color-bg-light);
}

.image-upload-area:hover,
.photos-upload-area:hover {
  border-color: var(--color-primary);
  background-color: rgba(30, 77, 140, 0.05);
}

.file-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
}

.upload-icon {
  font-size: 48px;
}

.image-preview-container {
  position: relative;
}

.image-preview {
  max-width: 50%;
  margin: 0 auto;
  border-radius: var(--radius-md);
  display: block;
}

.image-info {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.btn-remove-image {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background-color: var(--color-error);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  cursor: pointer;
  opacity: 0;
  transition: var(--transition-fast);
}

.image-preview-container:hover .btn-remove-image {
  opacity: 1;
}

/* Photos grid for activities */
.photos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

@media (max-width: 600px) {
  .photos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.photo-preview-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-light);
}

.photo-thumbnail {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}

.photo-info {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  background-color: var(--color-bg-light);
  display: flex;
  justify-content: space-between;
}

.btn-remove-photo {
  position: absolute;
  top: var(--spacing-xs);
  right: var(--spacing-xs);
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background-color: var(--color-error);
  color: white;
  font-size: var(--font-size-xs);
  cursor: pointer;
  opacity: 0;
  transition: var(--transition-fast);
}

.photo-preview-item:hover .btn-remove-photo {
  opacity: 1;
}

/* Processing indicator */
.processing-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  color: var(--color-text-secondary);
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.spinner.large {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

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

/* ========================================
   Student Distribution
   ======================================== */

.distribution-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

@media (max-width: 600px) {
  .distribution-container {
    grid-template-columns: 1fr;
  }
}

.distribution-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  gap: var(--spacing-md);
}

.distribution-row label {
  flex: 1;
  margin: 0;
  font-weight: 500;
}

.distribution-row.custom {
  position: relative;
}

.distribution-row .btn-remove-category {
  margin-left: var(--spacing-sm);
}

.input-with-suffix {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.input-with-suffix input {
  width: 80px;
  text-align: right;
}

.input-with-suffix .suffix {
  color: var(--color-text-secondary);
}

.add-category-container {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.add-category-container input {
  flex: 1;
}

.distribution-total {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  font-weight: 600;
}

.total-value {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
}

.distribution-total.valid .total-value {
  color: var(--color-success);
}

.distribution-total.invalid .total-value {
  color: var(--color-error);
}

.total-status {
  font-weight: normal;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.distribution-total.valid .total-status {
  color: var(--color-success);
}

.distribution-total.invalid .total-status {
  color: var(--color-error);
}

/* ========================================
   Activities
   ======================================== */

.activities-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.activity-count {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.activities-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.activity-card {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border-light);
}

.activity-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.activity-title-display {
  margin: 0;
  color: var(--color-primary);
  font-size: var(--font-size-lg);
}

.activity-controls {
  display: flex;
  gap: var(--spacing-xs);
}

.activity-prompt-box {
  background-color: var(--color-bg-white);
  border-left: 4px solid var(--color-primary);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.activity-prompt {
  margin: 0;
  font-style: italic;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.activity-extra-fields {
  background-color: var(--color-bg-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--color-border-light);
}

.activity-form .form-group {
  margin-bottom: var(--spacing-md);
}

.review-prompt {
  margin: 0 0 var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-bg-light);
  border-left: 3px solid var(--color-primary);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ========================================
   Review Section
   ======================================== */

.review-container {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.review-section {
  margin-bottom: var(--spacing-xl);
}

.review-section:last-child {
  margin-bottom: 0;
}

.review-section h3 {
  margin: 0 0 var(--spacing-md);
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
}

.review-field {
  display: flex;
  margin-bottom: var(--spacing-sm);
}

.review-label {
  font-weight: 500;
  color: var(--color-text-secondary);
  min-width: 150px;
}

.review-value {
  flex: 1;
}

.review-value.multiline {
  white-space: pre-wrap;
}

.review-image {
  max-width: 100%;
  max-height: 200px;
  border-radius: var(--radius-md);
}

.review-photos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.review-photo {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.review-activity {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.review-activity h4 {
  margin: 0 0 var(--spacing-md);
  color: var(--color-primary-dark);
}

.generate-section {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

/* ========================================
   Navigation Footer
   ======================================== */

.wizard-navigation {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-lg) 0;
}

/* ========================================
   Progress Overlay
   ======================================== */

.progress-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.progress-modal {
  background-color: var(--color-bg-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.progress-modal p {
  margin: var(--spacing-md) 0 0;
  color: var(--color-text-secondary);
}

/* ========================================
   Utility Classes
   ======================================== */

.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.text-error {
  color: var(--color-error);
}

.text-success {
  color: var(--color-success);
}

/* ========================================
   Responsive Adjustments
   ======================================== */

@media (max-width: 600px) {
  .app-container {
    padding: var(--spacing-md);
  }

  .wizard-content {
    padding: var(--spacing-lg);
  }

  .app-header .instructor-name-header {
    font-size: var(--font-size-xl);
  }

  .app-header h2 {
    font-size: var(--font-size-lg);
  }

  .image-preview {
    max-width: 70%;
  }

  .progress-steps::before {
    left: 5%;
    right: 5%;
  }

  .step-label {
    font-size: var(--font-size-xs);
  }

  .step-number {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-sm);
  }

  .review-field {
    flex-direction: column;
  }

  .review-label {
    min-width: auto;
    margin-bottom: var(--spacing-xs);
  }

  .review-photos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}