/* Global Design Tokens & Variables - Inspired by The Paper "美数课" Data Journalism Style */
:root {
  /* Core Color Palette */
  --bg-canvas: #ffffff;
  --bg-card: #f4f5f7;
  --bg-card-hover: #ebeef2;
  --color-primary-text: #111111;
  --color-secondary-text: #555555;
  --color-muted-text: #888888;
  --border-color: #dddddd;

  /* Accent Colors */
  --color-header-pill: #1a1a1a;
  --color-badge-gold: #ffb800;
  --color-badge-gold-hover: #e0a300;
  --color-bar-red: #b22a22;
  --color-bar-red-hover: #9c211a;

  /* Status Colors */
  --color-safety-bg: #e1f5fe;
  --color-safety-text: #0288d1;
  --color-target-bg: #efebe9;
  --color-target-text: #5d4037;
  --color-dream-bg: #fbe9e7;
  --color-dream-text: #d84315;

  /* Layout and Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 36px;
  
  /* Fonts */
  --font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

body {
  font-family: var(--font-family-sans);
  background-color: var(--bg-canvas);
  color: var(--color-primary-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: var(--spacing-xl);
}

/* Layout Grid Container */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

/* Brand Header Style */
.brand-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--color-primary-text);
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.brand-title {
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--color-primary-text);
  line-height: 1.2;
}

.brand-badge {
  background-color: var(--color-badge-gold);
  color: var(--color-primary-text);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.5px;
  border: 1px solid var(--color-primary-text);
}

/* Inputs & Form Panels */
.profile-card {
  border: 2px solid var(--color-primary-text);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  background-color: var(--bg-canvas);
}

.form-title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  border-left: 5px solid var(--color-bar-red);
  padding-left: var(--spacing-sm);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-secondary-text);
}

.form-select, .form-input {
  padding: 10px;
  border: 2px solid var(--color-primary-text);
  font-size: 15px;
  font-weight: 600;
  outline: none;
  background-color: var(--bg-canvas);
  transition: border-color 0.2s ease;
}

.form-select:focus, .form-input:focus {
  border-color: var(--color-bar-red);
}

.btn-primary {
  width: 100%;
  padding: 14px;
  background-color: var(--color-primary-text);
  color: var(--bg-canvas);
  font-size: 16px;
  font-weight: 800;
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background-color: var(--color-bar-red);
  color: var(--bg-canvas);
}

/* Visual Infographics School Comparison Columns */
.schools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  align-items: end; /* Dynamic vertical heights aligned at base */
}

/* Individual Column Card styled after "美数课" */
.school-column {
  background: var(--bg-card);
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-md) 0 0 0;
  transition: transform 0.3s ease, background-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.school-column:hover {
  transform: translateY(-8px);
  background-color: var(--bg-card-hover);
}

/* Column Header: Pill shape on top */
.school-header-pill {
  background-color: var(--color-header-pill);
  color: var(--bg-canvas);
  font-weight: 800;
  font-size: 14px;
  padding: 6px var(--spacing-md);
  border-radius: 20px;
  margin-bottom: var(--spacing-lg);
  text-align: center;
  max-width: 90%;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.school-name {
  font-size: 22px;
  font-weight: 900;
  color: var(--color-primary-text);
  margin-bottom: var(--spacing-xs);
}

.school-meta {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-muted-text);
  margin-bottom: var(--spacing-lg);
}

/* Yellow Badge Indicator Circle */
.gold-badge-circle {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background-color: var(--color-badge-gold);
  color: var(--bg-canvas);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-weight: 900;
  font-size: 18px;
  margin-bottom: var(--spacing-xs);
  transition: background-color 0.2s ease;
  position: relative;
}

.gold-badge-circle:hover {
  background-color: var(--color-badge-gold-hover);
}

.gold-badge-icon {
  font-size: 14px;
  font-weight: 800;
  margin-bottom: -2px;
}

.gold-badge-label {
  font-size: 14px;
  font-weight: 800;
  color: var(--color-primary-text);
  margin-bottom: var(--spacing-lg);
}

/* Red Value Highlight Block at Bottom */
.red-bar-block {
  width: 100%;
  background-color: var(--color-bar-red);
  color: var(--bg-canvas);
  text-align: center;
  padding: var(--spacing-md) 0;
  font-size: 24px;
  font-weight: 900;
  margin-top: auto;
  transition: background-color 0.2s ease;
}

.red-bar-block:hover {
  background-color: var(--color-bar-red-hover);
}

.red-bar-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.85;
  margin-bottom: 2px;
}

/* Suitability Badge Positioned on Top Right */
.suitability-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
}

.suitability-safety {
  background-color: var(--color-safety-bg);
  color: var(--color-safety-text);
}

.suitability-target {
  background-color: var(--color-target-bg);
  color: var(--color-target-text);
}

.suitability-dream {
  background-color: var(--color-dream-bg);
  color: var(--color-dream-text);
}

/* Markdown AI Report Panel */
.report-panel {
  border: 2px solid var(--color-primary-text);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  background-color: var(--bg-canvas);
}

.report-panel h2 {
  font-size: 24px;
  font-weight: 900;
  margin-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-primary-text);
  padding-bottom: var(--spacing-xs);
}

.report-panel h3 {
  font-size: 18px;
  font-weight: 800;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.report-panel p {
  font-size: 15px;
  color: var(--color-secondary-text);
  margin-bottom: var(--spacing-md);
}

.report-panel ul, .report-panel ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.report-panel li {
  font-size: 15px;
  color: var(--color-secondary-text);
  margin-bottom: var(--spacing-xs);
}

.report-panel blockquote {
  border-left: 4px solid var(--color-badge-gold);
  background-color: var(--bg-card);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 14px;
  font-weight: 600;
}

/* Footer elements */
.footnote {
  margin-top: var(--spacing-xl);
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-md);
  font-size: 12px;
  color: var(--color-muted-text);
  line-height: 1.6;
}

/* Responsive Rules */
@media (max-width: 600px) {
  .brand-title {
    font-size: 24px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .schools-grid {
    grid-template-columns: 1fr;
  }
}