/* Premium Dark SaaS Design System for Public Pages (/test and /docx) */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-dark: #0b0f19;
  --surface-dark: #111827;
  --surface-card: #1f293d;
  --surface-input: #0f172a;
  --border-dark: rgba(255, 255, 255, 0.1);
  --border-focus: #6366f1;
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.3);
  
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.2);
  
  --warning: #f59e0b;
  --error: #f43f5e;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

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

body {
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 100% 100%, rgba(168, 85, 247, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Top Navigation Bar */
.public-navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  background: rgba(11, 15, 25, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #ffffff;
  font-weight: 700;
  font-size: 1.1rem;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

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

.nav-item {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.nav-item:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
  color: #ffffff;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.btn-admin {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-dark);
  color: var(--text-main);
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-admin:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Page Layout Container */
.page-container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.hero-section {
  margin-bottom: 2.5rem;
  text-align: center;
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Playground Card */
.main-card {
  background: var(--surface-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Mode Selection Cards */
.mode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

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

.mode-card {
  background: var(--surface-card);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.mode-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}

.mode-card.active {
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.12) 0%, rgba(17, 24, 39, 0.8) 100%);
  border-color: var(--primary);
  box-shadow: 0 0 25px rgba(99, 102, 241, 0.25);
}

.mode-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: #ffffff;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mode-desc {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Upload Dropzones */
.upload-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin-bottom: 1.75rem;
}

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

.upload-box {
    background: var(--surface-input);
    border-radius: var(--radius-lg);
    padding: 0;
    text-align: center;
    cursor: pointer;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.upload-box:hover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.05);
}

.upload-box img {
    max-width: 100%;
    max-height: 150px;
    object-fit: contain;
}

/* Control Action Bar */
.action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--surface-input);
  border: 1px solid var(--border-dark);
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.key-input-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 280px;
}

.custom-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 9px 14px;
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transition: border-color 0.2s;
}

.custom-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #ffffff;
  border: none;
  padding: 10px 22px;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-dark);
  padding: 10px 18px;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* Results Display Panel */
.result-panel {
  background: #090d16;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.metric-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  text-align: center;
}

.metric-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
}

/* Code Snippet Box */
.json-box {
  background: #05080e;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #a5b4fc;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Toast Notifications */
#toastContainer {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--surface-card);
  border: 1px solid var(--border-dark);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast-success { border-left: 4px solid var(--success); }
.toast-error { border-left: 4px solid var(--error); }
.toast-warning { border-left: 4px solid var(--warning); }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}