/* Custom Premium Dark/Modern Styling for ICC Scholar */
@import url('https://fonts.googleapis.com/css2?family=Elms+Sans:ital,wght@0,100..900;1,100..900&family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --border-color: #e2e8f0;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --color-indigo: #3aa4e4;
  --color-indigo-hover: #1d4ed8;
  --color-teal: #0d9488;
  --color-teal-hover: #0f766e;
  --color-rose: #e11d48;
  --glass-bg: rgba(15, 23, 42, 0.92);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Elms Sans', sans-serif;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  letter-spacing: -0.01em;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.02em;
}

/* Global Link Styling */
a {
  color: var(--color-indigo);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-indigo-hover);
}

/* Glassmorphism Navbar - Mantiene estilo oscuro original */
.navbar {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.75rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 1030;
}

.navbar-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 30%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-brand img {
  height: 40px;
  filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.4));
  transition: transform 0.3s ease;
}

.navbar-brand:hover img {
  transform: rotate(-10deg) scale(1.05);
}

/* Header section below navbar */
#pagetitle-div {
  background: #ffffff !important;
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem 0;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

#pagetitle-div h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #0f172a;
}

#pagetitle-div a {
  color: var(--color-indigo) !important;
  text-decoration: none;
  transition: color 0.2s ease;
}

#pagetitle-div a:hover {
  color: var(--color-teal) !important;
  text-decoration: underline;
}

/* Cards customization */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  color: var(--text-primary);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: #cbd5e1;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 700;
  color: #0f172a;
}

/* Input Fields styling */
.form-control, .form-select {
  background-color: #ffffff !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-primary) !important;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
  border-color: var(--color-indigo) !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15) !important;
  outline: none;
}

.form-control::placeholder {
  color: var(--text-muted);
}

/* Button stylings */
.btn {
  font-weight: 600;
  border-radius: 8px;
  padding: 0.6rem 1.25rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary {
  background-color: #3aa4e4 !important;
  border-color: #3aa4e4 !important;
  color: #ffffff !important;
}

.btn-primary:hover, .btn-primary:focus {
  background-color: #2b8ed0 !important;
  border-color: #2b8ed0 !important;
  color: #ffffff !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(58, 164, 228, 0.35) !important;
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: #e2e8f0;
  border-color: #cbd5e1;
  color: #0f172a;
}

.btn-outline-primary {
  color: #3aa4e4 !important;
  border-color: #3aa4e4 !important;
}

.btn-outline-primary:hover, .btn-outline-primary:focus {
  background-color: #2563eb !important;
  border-color: #2563eb !important;
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2) !important;
}

.btn-outline-teal {
  color: var(--color-teal) !important;
  border-color: var(--color-teal) !important;
  background-color: transparent;
}

.btn-outline-teal:hover, .btn-outline-teal:focus {
  background-color: var(--color-teal) !important;
  border-color: var(--color-teal) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.2);
  transform: translateY(-1px);
}

/* List Groups */
.list-group-item {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
  padding: 1.25rem 1.5rem;
  transition: background-color 0.2s ease;
}

.list-group-item:hover {
  background-color: var(--bg-tertiary);
}

.list-group-item a {
  color: var(--color-indigo);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.list-group-item a:hover {
  color: var(--color-teal);
}

/* Tables styling */
.table {
  color: var(--text-primary) !important;
  border-color: var(--border-color);
}

.table th {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-primary);
  background-color: var(--bg-tertiary) !important;
  border-bottom: 2px solid var(--border-color) !important;
}

.table td {
  background-color: transparent !important;
  border-bottom: 1px solid var(--border-color) !important;
  vertical-align: middle;
}

.table-sm th, .table-sm td {
  padding: 0.5rem 0.75rem;
}

/* Badges */
.badge {
  font-weight: 600;
  padding: 0.35em 0.65em;
  border-radius: 4px;
}

.bg-primary {
  background-color: rgba(37, 99, 235, 0.1) !important;
  color: #2563eb !important;
  border: 1px solid rgba(37, 99, 235, 0.2) !important;
}

/* Layout container adjustments */
#content {
  padding-bottom: 3rem;
}

/* Accent texts and Link Helpers */
.text-muted {
  color: var(--text-secondary) !important;
}

.text-indigo {
  color: #3aa4e4 !important;
}

.hover-teal {
  transition: color 0.2s ease;
}

.hover-teal:hover {
  color: var(--color-teal) !important;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* D3 SVG layout styling */
svg#my_dataviz {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  max-width: 100%;
  height: auto;
}

/* Grid & Utilities */
.gradient-text {
  background: linear-gradient(135deg, #7dd3fc 0%, #3aa4e4 50%, #14b8a6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-card {
  padding: 1.5rem;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border: 1px solid var(--border-color);
  text-align: center;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-teal);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Tabs custom styling */
.nav-tabs {
  border-bottom: 2px solid var(--border-color) !important;
}

.nav-tabs .nav-link {
  color: var(--text-secondary) !important;
  border: none !important;
  border-bottom: 2px solid transparent !important;
  background: transparent !important;
  font-family: var(--font-display);
  font-weight: 600;
  padding: 0.75rem 1.25rem;
  transition: all 0.2s ease;
}

.nav-tabs .nav-link:hover {
  color: var(--text-primary) !important;
  border-bottom-color: var(--text-muted) !important;
}

.nav-tabs .nav-link.active {
  color: var(--color-teal) !important;
  background-color: transparent !important;
  border-bottom: 2px solid var(--color-teal) !important;
}

/* Tooltip styling for D3 charts */
.tooltip {
  position: absolute;
  text-align: left;
  padding: 8px 12px !important;
  font-family: var(--font-sans) !important;
  font-size: 0.8rem !important;
  font-weight: 500 !important;
  background: rgba(17, 24, 39, 0.95) !important;
  color: #ffffff !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 6px !important;
  pointer-events: none;
  box-shadow: var(--shadow-lg) !important;
  max-width: 250px;
  z-index: 1050;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.tooltip u {
  text-decoration: none !important;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--color-teal) !important;
  display: block;
  margin-bottom: 4px;
}

/* D3 network style fixes */
#otracosa svg, #my_dataviz svg {
  max-width: 100%;
  height: auto;
  background: var(--bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}