:root {
  --color-primary: #059669; /* Emerald 600 */
  --color-primary-dark: #047857; /* Emerald 700 */
  --color-text-main: #0f172a; /* Slate 900 */
  --glass-bg: rgba(255, 255, 255, 0.95);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

html, body {
  min-height: 100vh;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

body {
  overflow-x: hidden;
  background-color: #f8fafc; /* Slate 50 */
  color: var(--color-text-main);
  background-image: url("../img/background.jpg");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

/* Header Glassmorphism */
.app-header {
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(6, 78, 59, 0.85); /* Emerald 900 */
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
}

.app-main {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1rem;
}

.app-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 767px) {
  .app-container {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
}

@media (min-width: 768px) {
  .app-container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

@media (min-width: 1200px) {
  .app-container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Glass Panels & Cards */
.card, .glass-panel {
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
  box-shadow: var(--glass-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Nav Link Styles in Header */
.nav-link {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #f1f5f9; /* Slate 100 */
  border-radius: 0.5rem; /* Rounded corners for chips */
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  transform: translateY(-1px);
}

.nav-link i {
  color: #a7f3d0; /* Emerald 200 */
}

.nav-link:hover i {
  color: #ffffff;
}

.nav-link-active {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  color: #ffffff;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.nav-link-active i {
  color: #ffffff;
}

/* Table Styles */
.table-wrapper {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-radius: 0.5rem;
  border: 1px solid rgba(203, 213, 225, 0.5);
}

/* State Badges - Improved Contrast */
.state-A {
  background-color: #dcfce7;
  color: #14532d;
  border: 1px solid #86efac;
}
.state-T {
  background-color: #fef3c7;
  color: #78350f;
  border: 1px solid #fcd34d;
}
.state-F {
  background-color: #ffe4e6;
  color: #881337;
  border: 1px solid #fda4af;
}

/* Buttons */
.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 6px -1px rgba(5, 150, 105, 0.3);
  transition: all 0.2s;
}
.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 8px -1px rgba(5, 150, 105, 0.4);
}

/* Form Inputs */
.input-focus {
  transition: all 0.2s ease;
  background-color: #ffffff;
  border: 1px solid #cbd5e1;
}

.input-focus:focus {
  background-color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
  outline: none;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
}
::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.3);
}

/* 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;
}