/* 🐡 Unfish Ecosystem Portal — Homepage Stylesheet */

:root {
  --bg-page: #090d16;
  --bg-section: #0d1322;
  --bg-card: #141c30;
  --bg-card-hover: #1b2642;
  --bg-input: #101728;
  --border: #212e4a;
  --border-focus: #38bdf8;

  --text-title: #f8fafc;
  --text-body: #cbd5e1;
  --text-muted: #64748b;

  --accent-cyan: #38bdf8;
  --accent-cyan-hover: #0ea5e9;
  --accent-purple: #c084fc;
  --accent-green: #34d399;
  --accent-amber: #fbbf24;
  --accent-red: #f87171;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", Menlo, Monaco, Consolas, monospace;
}

[data-theme="light"] {
  --bg-page: #f8fafc;
  --bg-section: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-input: #ffffff;
  --border: #cbd5e1;
  --border-focus: #0284c7;

  --text-title: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;

  --accent-cyan: #0284c7;
  --accent-cyan-hover: #0369a1;
  --accent-purple: #9333ea;
  --accent-green: #16a34a;
  --accent-amber: #d97706;
  --accent-red: #dc2626;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-body);
  line-height: 1.65;
  overflow-x: hidden;
}

/* Header */
.portal-header {
  position: sticky;
  top: 0;
  height: 60px;
  background-color: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  z-index: 50;
}

.portal-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.portal-logo {
  font-size: 1.8rem;
}

.portal-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent-cyan);
  letter-spacing: -0.02em;
}

.portal-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.nav-link:hover {
  color: var(--text-title);
}

.nav-link.active {
  color: var(--accent-cyan);
}

.btn {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-title);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  transform: translateY(-1px);
}

.btn-primary {
  background: #0284c7;
  border-color: #38bdf8;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
}

.btn-primary:hover {
  background: #0369a1;
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.5);
}

.btn-lg {
  padding: 12px 24px;
  font-size: 1.05rem;
  border-radius: 8px;
}

/* Hero */
.hero-section {
  padding: 5rem 2rem 4rem;
  text-align: center;
  max-width: 980px;
  margin: 0 auto;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-title);
  margin-bottom: 1.4rem;
}

.hero-subtitle {
  font-size: 1.22rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 2.5rem;
}

.hero-cta-group {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Interactive Playground on Homepage */
.interactive-showcase {
  max-width: 1040px;
  margin: 0 auto 5rem;
  padding: 0 1.5rem;
}

.showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}

.showcase-header {
  background: var(--bg-section);
  border-bottom: 1px solid var(--border);
  padding: 10px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.showcase-select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-title);
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 0.82rem;
  outline: none;
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 320px;
}

@media (max-width: 768px) {
  .showcase-grid { grid-template-columns: 1fr; }
}

.showcase-editor-pane {
  border-right: 1px solid var(--border);
  background: #080c14;
  position: relative;
}

.showcase-textarea {
  width: 100%;
  height: 100%;
  padding: 14px;
  background: transparent;
  color: var(--text-title);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  border: none;
  outline: none;
  resize: none;
}

.showcase-terminal-pane {
  background: #04060a;
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--accent-green);
  overflow-y: auto;
  white-space: pre-wrap;
}

/* Feature Pillars Grid */
.pillars-section {
  background: var(--bg-section);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 5rem 2rem;
}

.section-container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  font-size: 0.78rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-title);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.8rem;
  transition: all 0.2s ease;
}

.pillar-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.pillar-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.pillar-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 0.6rem;
}

.pillar-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* CLI Quickstart Section */
.quickstart-section {
  padding: 5rem 2rem;
}

.quickstart-box {
  background: #060910;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--text-title);
  overflow-x: auto;
  box-shadow: 0 12px 32px rgba(0,0,0,0.4);
}

.quickstart-comment {
  color: var(--text-muted);
}

.quickstart-cmd {
  color: var(--accent-cyan);
}

/* Footer */
.portal-footer {
  background: var(--bg-section);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
}

.footer-link {
  color: var(--text-body);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--accent-cyan);
}