@charset "UTF-8";

/* ==========================================================================
   Design System Tokens & CSS Variables
   ========================================================================== */
:root {
  /* Dark Theme (Default) */
  --bg-base: #090c10;
  --bg-surface: #0f141c;
  --bg-card: rgba(18, 24, 34, 0.75);
  --bg-card-hover: rgba(24, 32, 45, 0.9);
  --bg-input: #121822;
  --bg-tag: rgba(255, 255, 255, 0.05);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.15);
  --border-focus: #38bdf8;

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent-primary: #38bdf8;
  --accent-primary-hover: #0ea5e9;
  --accent-primary-glow: rgba(56, 189, 248, 0.2);
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px 0 rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 30px -4px rgba(0, 0, 0, 0.5);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans JP', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-base: #f8fafc;
  --bg-surface: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-input: #f8fafc;
  --bg-tag: rgba(0, 0, 0, 0.04);

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.15);
  --border-focus: #0284c7;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;

  --accent-primary: #0284c7;
  --accent-primary-hover: #0369a1;
  --accent-primary-glow: rgba(2, 132, 199, 0.15);
  --accent-emerald: #059669;
  --accent-amber: #d97706;
  --accent-rose: #e11d48;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 14px 0 rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 30px -4px rgba(0, 0, 0, 0.12);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(56, 189, 248, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(16, 185, 129, 0.03) 0%, transparent 40%);
  background-attachment: fixed;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

p {
  color: var(--text-muted);
}

code, pre, .mono {
  font-family: var(--font-mono);
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
}

.brand-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 2px 8px var(--accent-primary-glow);
}

.brand-text {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-badge {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  background: var(--bg-tag);
  border: 1px solid var(--border-subtle);
  color: var(--accent-emerald);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
  display: inline-block;
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.live-clock {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  background: var(--bg-tag);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  display: none;
}

@media (min-width: 640px) {
  .live-clock {
    display: inline-block;
  }
}

.btn-icon {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  color: var(--text-main);
  border-color: var(--border-medium);
  background: var(--bg-card-hover);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding: 4.5rem 0 3.5rem;
  text-align: center;
  position: relative;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  background: var(--bg-tag);
  border: 1px solid var(--border-subtle);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.15rem);
  max-width: 680px;
  margin: 0 auto 2.25rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-primary);
  color: #090c10;
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  box-shadow: 0 4px 16px var(--accent-primary-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

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

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Quick Metrics / Status Dashboard Grid
   ========================================================================== */
.metrics-section {
  padding-bottom: 3rem;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  backdrop-filter: blur(12px);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
}

.metric-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.metric-title {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.metric-icon-wrap {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--bg-tag);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
}

.metric-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.metric-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.badge-success {
  color: var(--accent-emerald);
}

/* ==========================================================================
   Interactive Testing Playground Section
   ========================================================================== */
.playground-section {
  padding: 2rem 0 4rem;
}

.section-header {
  margin-bottom: 2rem;
  text-align: left;
}

.section-title {
  font-size: 1.65rem;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 0.95rem;
}

.card-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
  overflow: hidden;
}

/* Tabs Navigation */
.tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.15);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs-nav::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  background: transparent;
  border: none;
  outline: none;
  padding: 1.1rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-main);
  background: var(--bg-tag);
}

.tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
  background: var(--bg-tag);
}

/* Tab Panels */
.tab-content {
  padding: 1.75rem;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.2s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Tool Form & Inputs */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.input-control, .select-control, .textarea-control {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.textarea-control {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  resize: vertical;
  min-height: 120px;
}

.input-control:focus, .select-control:focus, .textarea-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

.input-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.input-row .input-control {
  flex: 1;
  min-width: 200px;
}

/* Console Output / Result Box */
.terminal-box {
  background: #06090e;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 1.25rem;
  position: relative;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.75rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.78rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-content {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #38bdf8;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 280px;
  overflow-y: auto;
  line-height: 1.6;
}

/* ==========================================================================
   Services & Environment Grid
   ========================================================================== */
.services-section {
  padding-bottom: 4rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-lg);
}

.service-card-top {
  margin-bottom: 1.25rem;
}

.service-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  background: var(--bg-tag);
  border: 1px solid var(--border-subtle);
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
}

.service-title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.service-desc {
  font-size: 0.88rem;
  line-height: 1.6;
}

.service-meta {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Specs / Details Table
   ========================================================================== */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.specs-table th, .specs-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.88rem;
}

.specs-table th {
  color: var(--text-dim);
  font-weight: 600;
  width: 35%;
}

.specs-table td {
  color: var(--text-main);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: #1e293b;
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  pointer-events: auto;
  animation: toastIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: 2.5rem 0;
  margin-top: 3rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 768px) {
  .hero {
    padding: 3rem 0 2.5rem;
  }
  .tab-btn {
    padding: 0.85rem 1rem;
    font-size: 0.82rem;
  }
  .tab-content {
    padding: 1.25rem;
  }
  .input-row {
    flex-direction: column;
  }
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

/* ==========================================================================
   Background Animation & Ambient Aurora Orbs
   ========================================================================== */
.bg-animation-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  contain: strict;
}

#ambient-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.7;
  transition: opacity var(--transition-normal);
}

[data-theme="light"] #ambient-canvas {
  opacity: 0.4;
}

.aurora-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  -webkit-filter: blur(110px);
  opacity: 0.45;
  pointer-events: none;
  will-change: transform;
  transition: opacity var(--transition-normal);
}

[data-theme="light"] .aurora-orb {
  opacity: 0.22;
  filter: blur(120px);
  -webkit-filter: blur(120px);
}

.orb-1 {
  width: 550px;
  height: 550px;
  top: -150px;
  left: 10%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.4) 0%, rgba(14, 165, 233, 0.05) 70%, transparent 100%);
  animation: float-orb-1 24s infinite alternate ease-in-out;
}

.orb-2 {
  width: 500px;
  height: 500px;
  top: 40%;
  right: 5%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.35) 0%, rgba(5, 150, 105, 0.05) 70%, transparent 100%);
  animation: float-orb-2 28s infinite alternate-reverse ease-in-out;
}

.orb-3 {
  width: 600px;
  height: 600px;
  bottom: -200px;
  left: 25%;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.3) 0%, rgba(56, 189, 248, 0.04) 70%, transparent 100%);
  animation: float-orb-3 32s infinite alternate ease-in-out;
}

@keyframes float-orb-1 {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(80px, 60px, 0) scale(1.12);
  }
  100% {
    transform: translate3d(-50px, 110px, 0) scale(0.92);
  }
}

@keyframes float-orb-2 {
  0% {
    transform: translate3d(0, 0, 0) scale(0.95);
  }
  50% {
    transform: translate3d(-90px, -70px, 0) scale(1.15);
  }
  100% {
    transform: translate3d(60px, -40px, 0) scale(1.05);
  }
}

@keyframes float-orb-3 {
  0% {
    transform: translate3d(0, 0, 0) scale(1.05);
  }
  50% {
    transform: translate3d(-70px, -80px, 0) scale(0.9);
  }
  100% {
    transform: translate3d(90px, -30px, 0) scale(1.1);
  }
}