/* =============================================
   FORM/CHECK - BRUTALIST GYM ZINE AESTHETIC
   NO GRADIENTS. NO CURVES. JUST FACTS.
   ============================================= */

:root {
  /* Brutalist Color Palette */
  --black: #000000;
  --white: #F5F5F0;
  --red: #FF0000;
  --gray: #808080;
  --gray-dark: #404040;
  --gray-light: #CCCCCC;
  
  /* Typography Scale */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Mono', monospace;
  
  /* Spacing (intentionally irregular) */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 96px;
}

/* =============================================
   RESET & BASE
   ============================================= */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  color: var(--black);
  background-color: var(--white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  letter-spacing: -0.02em;
}

main {
  flex: 1;
  padding: var(--space-4) 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* =============================================
   TYPOGRAPHY
   ============================================= */

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(48px, 8vw, 96px);
  margin: 0;
}

h2 {
  font-size: clamp(24px, 4vw, 36px);
  margin-bottom: var(--space-3);
}

.red {
  color: var(--red);
}

a {
  color: var(--black);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--red);
}

/* =============================================
   HEADER
   ============================================= */

header {
  background-color: var(--black);
  color: var(--white);
  padding: var(--space-4) 0;
  border-bottom: 4px solid var(--red);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
}

.title-block {
  flex: 1;
}

.tagline {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.3;
  margin-top: var(--space-2);
  color: var(--gray-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-icon {
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
  padding: var(--space-2);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.15s ease;
}

.btn-icon:hover {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

.icon-text {
  display: block;
}

/* =============================================
   NOTICE BLOCKS
   ============================================= */

.notice-block {
  background: var(--black);
  color: var(--white);
  border: 4px solid var(--red);
  padding: var(--space-3);
  margin-bottom: var(--space-4);
}

.notice-header {
  font-weight: 600;
  font-size: 18px;
  margin-bottom: var(--space-1);
  color: var(--red);
}

/* =============================================
   MAIN GRID LAYOUT (ASYMMETRIC)
   ============================================= */

.main-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

.upload-section {
  /* Intentionally dense */
}

.preview-section {
  position: sticky;
  top: var(--space-3);
  border: 3px solid var(--black);
  background: var(--white);
}

.preview-label {
  background: var(--black);
  color: var(--white);
  padding: var(--space-1) var(--space-2);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.preview-section img,
.preview-section video {
  width: 100%;
  height: auto;
  display: block;
  background: var(--black);
}

/* =============================================
   SECTION HEADERS
   ============================================= */

.section-header {
  margin-bottom: var(--space-4);
  border-bottom: 4px solid var(--black);
  padding-bottom: var(--space-2);
}

.section-number {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  padding: var(--space-1) var(--space-2);
  font-weight: 600;
  font-size: 14px;
  margin-bottom: var(--space-2);
  letter-spacing: 0.1em;
}

.section-header h2 {
  margin: 0;
}

/* =============================================
   FORMS
   ============================================= */

.form-group {
  margin-bottom: var(--space-4);
}

label {
  display: block;
  font-weight: 600;
  font-size: 12px;
  margin-bottom: var(--space-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

input, select, textarea {
  width: 100%;
  padding: var(--space-2);
  font-family: var(--font-body);
  font-size: 14px;
  border: 3px solid var(--black);
  background: var(--white);
  color: var(--black);
  transition: all 0.15s ease;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--red);
  background: var(--white);
}

select {
  cursor: pointer;
  text-transform: uppercase;
}

.help-text {
  display: block;
  margin-top: var(--space-2);
  font-size: 12px;
  color: var(--gray-dark);
  font-weight: 500;
}

/* =============================================
   UPLOAD BOX
   ============================================= */

.upload-box {
  position: relative;
  border: 3px dashed var(--black);
  padding: var(--space-5) var(--space-3);
  text-align: center;
  background: var(--white);
  transition: all 0.15s ease;
  cursor: pointer;
}

.upload-box:hover {
  border-color: var(--red);
  border-style: solid;
}

.upload-box input[type=\"file\"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  border: none;
  padding: 0;
}

.upload-prompt {
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
}

.upload-icon {
  font-size: 48px;
  font-weight: 700;
  color: var(--gray);
}

.upload-prompt span:last-child {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--gray-dark);
}

/* =============================================
   BUTTONS
   ============================================= */

.btn-analyze {
  width: 100%;
  background: var(--red);
  color: var(--white);
  border: none;
  padding: var(--space-3);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.15s ease;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.btn-analyze:hover:not(:disabled) {
  background: var(--black);
  transform: translateX(4px);
}

.btn-analyze:disabled {
  background: var(--gray);
  cursor: not-allowed;
  transform: none;
}

.btn-reset {
  background: transparent;
  border: 3px solid var(--black);
  color: var(--black);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  margin-top: var(--space-3);
}

.btn-reset:hover {
  background: var(--black);
  color: var(--white);
}

/* =============================================
   SPINNER
   ============================================= */

.spinner-sm {
  display: inline-block;
  border: 3px solid var(--white);
  border-top-color: transparent;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  animation: spin 0.6s linear infinite;
}

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

/* =============================================
   RESULTS BLOCK
   ============================================= */

.results-block {
  margin-top: var(--space-5);
  border: 4px solid var(--black);
  background: var(--white);
}

.results-block .section-header {
  background: var(--black);
  color: var(--white);
  padding: var(--space-3);
  margin-bottom: 0;
  border: none;
}

.results-block .section-header .section-number {
  background: var(--red);
}

.results-block .section-header h2 {
  color: var(--white);
  margin: 0;
}

#resultsContent {
  padding: var(--space-4);
}

/* Form Score Display */
.form-score {
  font-family: var(--font-display);
  font-size: clamp(64px, 12vw, 120px);
  font-weight: 700;
  line-height: 1;
  text-align: center;
  margin: var(--space-4) 0;
  color: var(--red);
  letter-spacing: -0.05em;
}

/* Feedback Sections */
.feedback-section {
  margin: var(--space-4) 0;
  padding: var(--space-3);
  border-left: 8px solid;
  background: var(--white);
}

.feedback-section.positive {
  border-color: var(--black);
  background: var(--white);
}

.feedback-section.warning {
  border-color: var(--gray);
  background: repeating-linear-gradient(
    45deg,
    var(--white),
    var(--white) 10px,
    #f8f8f8 10px,
    #f8f8f8 20px
  );
}

.feedback-section.danger {
  border-color: var(--red);
  background: #fff5f5;
}

.feedback-section h4 {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}

.feedback-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feedback-list li {
  padding: var(--space-1) 0;
  padding-left: var(--space-3);
  position: relative;
  font-size: 14px;
  line-height: 1.6;
}

.feedback-list li:before {
  content: \"//\";
  position: absolute;
  left: 0;
  font-weight: 700;
  color: var(--red);
}

.improvement-item {
  background: rgba(0,0,0,0.05);
  padding: var(--space-2);
  margin: var(--space-2) 0;
  border: 2px solid var(--black);
}

.improvement-item strong {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.05em;
}

.priority-badge {
  display: inline-block;
  padding: 4px 8px;
  font-size: 10px;
  font-weight: 700;
  margin-left: var(--space-1);
  letter-spacing: 0.1em;
  border: 2px solid;
}

.priority-high {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}

.priority-medium {
  background: var(--white);
  color: var(--black);
  border-color: var(--black);
}

.priority-low {
  background: var(--gray-light);
  color: var(--black);
  border-color: var(--gray);
}

.disclaimer {
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: var(--black);
  color: var(--white);
  font-size: 11px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* =============================================
   MODAL
   ============================================= */

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--white);
  border: 4px solid var(--black);
  padding: var(--space-5);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-content h2 {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 4px solid var(--black);
}

.modal-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: transparent;
  border: 2px solid var(--black);
  color: var(--black);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  padding: var(--space-1) var(--space-2);
  transition: all 0.15s ease;
}

.modal-close:hover {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

.modal-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.btn-save,
.btn-clear {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 3px solid var(--black);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.btn-save:hover {
  background: var(--red);
  border-color: var(--red);
}

.btn-clear {
  background: transparent;
  color: var(--black);
}

.btn-clear:hover {
  background: var(--black);
  color: var(--white);
}

#settingsMessage {
  margin-top: var(--space-3);
  padding: var(--space-2);
  border: 3px solid;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

#settingsMessage.alert-success {
  border-color: var(--black);
  background: var(--white);
  color: var(--black);
}

#settingsMessage.alert-danger {
  border-color: var(--red);
  background: #fff5f5;
  color: var(--red);
}

/* =============================================
   FOOTER
   ============================================= */

.footer {
  background: var(--black);
  color: var(--white);
  padding: var(--space-4) 0;
  margin-top: var(--space-6);
  border-top: 4px solid var(--red);
}

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

.footer-content p {
  margin: 0;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.footer-tagline {
  color: var(--gray-light);
  margin-top: var(--space-1);
}

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

.hidden {
  display: none !important;
}

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

@media (max-width: 900px) {
  .main-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .preview-section {
    position: static;
    order: -1;
  }

  h1 {
    font-size: 56px;
  }

  .tagline {
    font-size: 14px;
  }

  .header-content {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-icon {
    width: 100%;
  }
}

@media (max-width: 600px) {
  :root {
    --space-4: 24px;
    --space-5: 40px;
    --space-6: 56px;
  }

  header {
    padding: var(--space-3) 0;
  }

  main {
    padding: var(--space-3) 0;
  }

  .container {
    padding: 0 var(--space-2);
  }

  .modal-content {
    padding: var(--space-3);
  }

  .modal-actions {
    flex-direction: column;
  }

  .form-score {
    font-size: 72px;
  }
}

/* =============================================
   PRINT STYLES (KEEP IT BRUTAL)
   ============================================= */

@media print {
  body {
    background: white;
  }

  header, footer, .btn-icon, button {
    display: none;
  }

  .results-block {
    border: 4px solid black;
  }
}