/* Global Variables - Analytics Color Scheme */
:root {
  /* Light Theme (Default) */
  --primary-color: #3b82f6;
  --secondary-color: #64748b;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --bg-primary: #ffffff;
  --bg-secondary: #f1f5f9;
  --bg-light: #f8fafc;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --accent-color: #3b82f6;
  --nav-bg: #ffffff;
  --nav-shadow: rgba(0, 0, 0, 0.1);
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --nav-height: 60px;
  --bottom-nav-height: 70px;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --accent-color: #4dabf7;
  --nav-bg: #2d2d2d;
  --nav-shadow: rgba(0, 0, 0, 0.3);
  --card-bg: #2d2d2d;
  --border-color: #404040;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-light);
  color: var(--text-primary);
  line-height: 1.6;
  padding-top: var(--nav-height);
  padding-bottom: var(--bottom-nav-height);
  min-height: 100vh;
}

/* Navigation Styles */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: var(--nav-bg);
  box-shadow: 0 2px 4px var(--nav-shadow);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

header img {
  height: 40px;
  margin-right: 15px;
  transition: transform 0.3s ease;
}

header img:hover {
  transform: scale(1.05);
}

header h1 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

header h1 i {
  font-size: 1.2em;
  color: var(--accent-color);
}

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-height);
  background-color: var(--nav-bg);
  box-shadow: 0 -2px 4px var(--nav-shadow);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.bottom-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  transition: all 0.3s ease;
  padding: 8px 16px;
  border-radius: 12px;
  position: relative;
}

.bottom-nav a:hover, .bottom-nav a.active {
  color: var(--accent-color);
  background: rgba(0, 123, 255, 0.1);
  transform: translateY(-2px);
}

.bottom-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

.bottom-nav a:hover::after, .bottom-nav a.active::after {
  width: 20px;
}

.bottom-nav svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  transition: transform 0.3s ease;
}

.bottom-nav a:hover svg {
  transform: scale(1.1);
}

/* Container Styles */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Card Styles */
.card {
  background-color: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 20px;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.12);
}

/* Button Styles */
.btn {
  padding: 10px 20px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.3s ease;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: white;
}

.btn-secondary:hover {
  background: #475569;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(100, 116, 139, 0.3);
}

/* Form Styles */
input, textarea, select {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  margin-bottom: 16px;
  transition: all 0.3s ease;
  font-size: 14px;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Link Styles */
a {
  color: var(--accent-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Theme Toggle Button */
.theme-toggle {
  position: fixed;
  top: 70px;
  right: 20px;
  z-index: 999;
  padding: 8px 16px;
  background-color: var(--accent-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --nav-height: 50px;
    --bottom-nav-height: 60px;
  }

  header h1 {
    font-size: 1.2rem;
  }

  header img {
    height: 30px;
  }

  .bottom-nav a {
    font-size: 0.7rem;
    padding: 6px 12px;
  }

  .bottom-nav svg {
    width: 20px;
    height: 20px;
  }

  .container {
    padding: 10px;
  }
  
  .card {
    padding: 15px;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-20 {
  margin-top: 20px;
}

.mb-20 {
  margin-bottom: 20px;
}

/* Job Card Specific Styles */
.job-card {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.job-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.12);
  border-color: var(--primary-color);
}

.job-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.job-company {
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.job-salary {
  color: var(--accent-color);
  font-weight: 500;
}

/* Image Styles */
.company-logo {
  max-width: 100px;
  height: auto;
  border-radius: 4px;
}

/* Loading Spinner */
.spinner {
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--accent-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}