@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600;700&family=Fira+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #1e40af;
  --primary-hover: #1d4ed8;
  --secondary: #3b82f6;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --bg: #f8fafc;
  --surface: rgba(255, 255, 255, 0.85);
  --text: #0f172a;
  --text-muted: #64748b;
  --border: rgba(226, 232, 240, 0.8);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
  --radius: 12px;
}

* {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: 'Fira Sans', -apple-system, sans-serif;
  background-color: var(--bg);
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(30, 64, 175, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

#app {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem;
  padding-top: 5rem; /* Space for floating header */
}

/* Floating Header */
.header-nav {
  position: fixed;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  max-width: 900px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  box-shadow: var(--glass-shadow);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: transform 0.2s;
}

.logo-container:hover {
  transform: translateY(-1px);
}

.logo-img {
  height: 44px;
  width: auto;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: 'Fira Code', monospace;
  margin-top: 0;
  color: var(--text);
  letter-spacing: -0.02em;
}

h1 { font-size: 2.25rem; font-weight: 700; margin-bottom: 1.5rem; }
h2 { font-size: 1.5rem; font-weight: 600; margin-bottom: 1rem; }
h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.75rem; }

/* Cards & Containers */
.card {
  background: var(--surface);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--glass-shadow);
  margin-bottom: 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  box-shadow: 0 12px 48px 0 rgba(31, 38, 135, 0.1);
}

/* Buttons */
button {
  font-family: 'Fira Sans', sans-serif;
  background-color: var(--primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

button:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
}

button:active {
  transform: translateY(0);
}

button.secondary {
  background-color: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

button.secondary:hover {
  background-color: rgba(0,0,0,0.02);
  border-color: var(--text-muted);
  box-shadow: none;
}

button.danger {
  background-color: var(--danger);
}

button.danger:hover {
  background-color: #dc2626;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

button[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Inputs */
input, select, textarea {
  font-family: 'Fira Sans', sans-serif;
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 1.25rem;
  box-sizing: border-box;
  font-size: 0.9375rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
  background: white;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.text-muted { color: var(--text-muted); }
.font-mono { font-family: 'Fira Code', monospace; }

/* Status Badges */
.badge {
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-draft { background: #f1f5f9; color: #475569; }
.badge-open { background: #dcfce7; color: #166534; }
.badge-closed { background: #fee2e2; color: #991b1b; }
.badge-finalized { background: #ede9fe; color: #5b21b6; }

/* Candidate Item UI */
.candidate-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.candidate-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}

.candidate-item:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.candidate-item.selected {
  border-color: var(--primary);
  background-color: rgba(59, 130, 246, 0.05);
  box-shadow: inset 0 0 0 2px var(--primary);
}

.candidate-number {
  width: 32px;
  height: 32px;
  background: var(--bg);
  color: var(--text-muted);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-family: 'Fira Code', monospace;
}

.selected .candidate-number {
  background: var(--primary);
  color: white;
}

/* Hero & Landing Page */
.hero-card {
  padding: 4rem 2rem;
  border-bottom: 4px solid var(--primary);
  background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.05), transparent);
  text-align: center;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-family: 'Fira Code', monospace;
  font-weight: 700;
}

.hero-description {
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto 2.5rem auto;
  color: var(--text-muted);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.4s ease-out forwards;
}

@media (max-width: 768px) {
  #app { 
    padding: 1rem; 
    padding-top: 5rem; 
  }
  
  .header-nav { 
    padding: 0.6rem 1rem;
    left: 0.75rem;
    right: 0.75rem;
    top: 0.75rem;
  }

  .logo-img {
    height: 36px;
  }

  .hero-card {
    padding: 2.5rem 1.5rem;
  }

  .hero-title {
    font-size: 2.25rem;
    line-height: 1.2;
  }

  .hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
  }

  .card {
    padding: 1.5rem;
  }

  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.35rem; }
}