/* ============================================
   MODERN DESIGN SYSTEM - League Tracker
   ============================================ */

:root {
  /* Color Palette - Modern & Vibrant */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #ec4899;
  --accent: #f59e0b;
  --success: #10b981;
  --danger: #ef4444;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-dark: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
  --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.9) 100%);
  
  /* Backgrounds */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-glass: rgba(255, 255, 255, 0.1);
  
  /* Text */
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
  --shadow-glow-hover: 0 0 30px rgba(99, 102, 241, 0.5);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

/* Disable text selection and change cursor outside inputs */
body {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  cursor: default;
}

/* Enable text selection only in inputs, textareas, and content areas */
input, textarea, select, [contenteditable="true"] {
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  cursor: text;
}

/* Links and buttons should have pointer cursor */
a, button, [role="button"], input[type="submit"], input[type="button"], input[type="checkbox"], input[type="radio"], label {
  cursor: pointer;
}

/* Summary should have pointer cursor */
details summary {
  cursor: pointer;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  color: var(--text-primary);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #4facfe 75%, #00f2fe 100%);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl);
}

/* ============================================
   HEADER / TOPBAR
   ============================================ */

.topbar {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding: var(--spacing-md) var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.brand {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 2px 10px rgba(255, 255, 255, 0.3);
  letter-spacing: -0.5px;
}

.topbar nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.topbar nav a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.topbar nav a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: left var(--transition-base);
}

.topbar nav a:hover::before {
  left: 0;
}

.topbar nav a:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.topbar .muted {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

/* ============================================
   CARDS - Glassmorphism Design
   ============================================ */

.card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl) calc(var(--spacing-xl) + 12px);
  margin: var(--spacing-xl) 0;
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover::before {
  opacity: 1;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  border-color: rgba(99, 102, 241, 0.3);
}

/* ============================================
   LINKS
   ============================================ */

a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-fast);
  position: relative;
}

a.link {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

a.link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

a.link:hover::after {
  width: 80%;
}

a.link:hover {
  color: var(--primary-dark);
  background: rgba(99, 102, 241, 0.1);
  transform: translateX(4px);
}

/* ============================================
   FORMS - Modern Design
   ============================================ */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-lg);
}

/* Labels */
label {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
  position: relative;
}

label::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

label:has(input:focus)::before,
label:has(textarea:focus)::before,
label:has(select:focus)::before {
  opacity: 1;
}

/* All Input Types - Modern Styling */
input[type="text"],
input[type="date"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="url"],
input[type="search"],
textarea,
select {
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-md);
  font: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-base);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text-primary);
  width: 100%;
  box-shadow: var(--shadow-sm);
  position: relative;
}

input[type="text"]:hover,
input[type="date"]:hover,
input[type="email"]:hover,
input[type="password"]:hover,
input[type="number"]:hover,
textarea:hover,
select:hover {
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

input[type="text"]:focus,
input[type="date"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15), var(--shadow-md);
  background: rgba(255, 255, 255, 1);
  transform: translateY(-2px);
}

input[type="text"]::placeholder,
input[type="date"]::placeholder,
input[type="email"]::placeholder,
textarea::placeholder {
  color: var(--text-light);
  opacity: 0.7;
}

/* Textarea Specific */
textarea {
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
  line-height: 1.6;
}

textarea:focus {
  min-height: 140px;
}

/* Date Input - Custom Styling */
input[type="date"] {
  position: relative;
  color-scheme: light;
}

input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  opacity: 0.8;
  transition: all var(--transition-base);
}

input[type="date"]::-webkit-calendar-picker-indicator:hover {
  opacity: 1;
  transform: scale(1.1);
}

/* Checkbox - Custom Modern Design */
input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  min-width: 24px;
  border: 2px solid rgba(99, 102, 241, 0.3);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.95);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  margin-right: var(--spacing-sm);
}

input[type="checkbox"]:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: scale(1.05);
}

input[type="checkbox"]:checked {
  background: var(--gradient-primary);
  border-color: var(--primary);
  box-shadow: var(--shadow-md), 0 0 0 4px rgba(99, 102, 241, 0.1);
}

input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 14px;
  font-weight: 900;
  line-height: 1;
}

input[type="checkbox"]:focus {
  outline: none;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2), var(--shadow-md);
}

/* Checkbox Label Alignment */
label:has(input[type="checkbox"]) {
  flex-direction: row;
  align-items: center;
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

label:has(input[type="checkbox"]):hover {
  background: rgba(99, 102, 241, 0.05);
}

/* File Input - Modern Design */
input[type="file"] {
  padding: var(--spacing-lg) !important;
  border: 2px dashed rgba(99, 102, 241, 0.3) !important;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  font-size: 0.9rem;
  color: transparent !important;
  text-align: center;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

input[type="file"]:hover {
  border-color: var(--primary) !important;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

input[type="file"]:focus {
  outline: none;
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15), var(--shadow-md);
}

input[type="file"]::-webkit-file-upload-button {
  visibility: hidden;
  width: 0;
  height: 0;
}

label:has(input[type="file"]) {
  position: relative;
}

label:has(input[type="file"]) span {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  z-index: 1;
  transition: all var(--transition-base);
}

label:has(input[type="file"]:hover) span {
  color: var(--primary-dark);
  transform: translate(-50%, -50%) scale(1.05);
}

input[type="file"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15), var(--shadow-md);
}

input[type="file"]::-webkit-file-upload-button {
  visibility: hidden;
}

/* Select Dropdown - Modern Design */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236366f1' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-md) center;
  background-size: 16px;
  padding-right: calc(var(--spacing-xl) + 20px);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

select:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234f46e5' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

select option {
  padding: var(--spacing-sm);
  background: white;
  color: var(--text-primary);
}

/* Buttons - All Types */
button,
input[type="submit"],
input[type="button"] {
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  background: var(--gradient-primary);
  color: var(--text-white);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  font-family: inherit;
}

button::before,
input[type="submit"]::before,
input[type="button"]::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

button:hover::before,
input[type="submit"]:hover::before,
input[type="button"]:hover::before {
  width: 300px;
  height: 300px;
}

button:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

button:active,
input[type="submit"]:active,
input[type="button"]:active {
  transform: translateY(0);
}

button:focus,
input[type="submit"]:focus,
input[type="button"]:focus {
  outline: none;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.3), var(--shadow-lg);
}

/* Danger Button - Red */
.btn-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
  color: var(--text-white) !important;
}

.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%) !important;
  box-shadow: var(--shadow-lg), 0 0 20px rgba(239, 68, 68, 0.4) !important;
}

.btn-danger:focus {
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.3), var(--shadow-lg) !important;
}

/* Form without grid class - ensure all inputs are styled */
form:not(.grid) {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

form:not(.grid) label {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

form:not(.grid) input[type="text"],
form:not(.grid) input[type="email"],
form:not(.grid) input[type="password"],
form:not(.grid) input[type="date"],
form:not(.grid) input[type="number"],
form:not(.grid) textarea,
form:not(.grid) select {
  /* Inherits from base input styles */
}

form:not(.grid) button {
  /* Inherits from base button styles */
  align-self: flex-start;
}

/* Grid Specific Overrides */
.grid input,
.grid textarea,
.grid select {
  /* Inherits from base styles above */
}

.grid button {
  /* Inherits from base button styles above */
}

.check {
  align-items: center;
  flex-direction: row;
  gap: var(--spacing-sm) !important;
  font-weight: 600;
}

/* ============================================
   TABLES - Modern Design
   ============================================ */

.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: white;
}

.table thead {
  background: var(--gradient-primary);
  color: var(--text-white);
}

.table th {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  letter-spacing: 0.05em;
}

.table td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--transition-fast);
}

.table tbody tr {
  transition: all var(--transition-fast);
}

.table tbody tr:hover {
  background: rgba(99, 102, 241, 0.05);
  transform: scale(1.01);
  box-shadow: var(--shadow-sm);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--primary);
}

.table tbody tr:nth-child(even) {
  background: rgba(0, 0, 0, 0.02);
}

.table tbody tr:nth-child(even):hover {
  background: rgba(99, 102, 241, 0.08);
}

/* User Row Highlight */
.table tbody tr.user-row {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(236, 72, 153, 0.15) 100%);
  border-left: 4px solid var(--primary);
  font-weight: 600;
}

.table tbody tr.user-row:hover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25) 0%, rgba(236, 72, 153, 0.25) 100%);
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

/* ============================================
   TABS / NAVIGATION
   ============================================ */

.tabs {
  display: flex;
  gap: var(--spacing-sm);
  margin: var(--spacing-lg) 0;
  flex-wrap: wrap;
}

.tablink {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-md);
  color: var(--primary);
  font-weight: 600;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.tablink::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  transition: left var(--transition-base);
  z-index: -1;
}

.tablink:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.tablink.active {
  background: var(--gradient-primary);
  color: var(--text-white);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.tablink.active::before {
  left: 0;
}

.tab {
  display: none;
}

.tab.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

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

/* ============================================
   UTILITY CLASSES
   ============================================ */

.muted {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.list {
  margin: 0;
  padding-left: var(--spacing-xl);
  list-style: none;
}

.list li {
  padding: var(--spacing-sm) 0;
  position: relative;
  padding-left: var(--spacing-lg);
}

.list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
}

/* ============================================
   DETAILS / SUMMARY (Accordion) - Enhanced
   ============================================ */

details {
  margin-bottom: var(--spacing-lg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 2px solid rgba(99, 102, 241, 0.2);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

details:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

details summary {
  padding: var(--spacing-lg) var(--spacing-xl);
  cursor: pointer;
  font-weight: 700;
  color: var(--primary);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(236, 72, 153, 0.08) 100%);
  transition: all var(--transition-base);
  user-select: none;
  list-style: none;
  position: relative;
  display: flex;
  align-items: center;
  font-size: 1.05rem;
}

/* Padding per i form dentro i details */
details form {
  padding: var(--spacing-lg) var(--spacing-xl);
}

details summary::-webkit-details-marker {
  display: none;
}

details summary::before {
  content: '▶';
  position: absolute;
  right: var(--spacing-xl);
  font-size: 0.9rem;
  transition: transform var(--transition-base);
  color: var(--primary);
}

details summary::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

details summary:hover::after {
  opacity: 1;
}

details[open] summary::before {
  transform: rotate(90deg);
}

details[open] summary {
  background: var(--gradient-primary);
  color: var(--text-white);
  border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

details[open] summary::after {
  opacity: 1;
  background: rgba(255, 255, 255, 0.3);
}

details[open] {
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

details[open] form {
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   CODE / SMALL TEXT
   ============================================ */

code {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(236, 72, 153, 0.15) 100%);
  padding: 3px 8px;
  border-radius: 6px;
  font-family: 'Monaco', 'Courier New', 'Fira Code', monospace;
  font-size: 0.85em;
  color: var(--primary-dark);
  border: 1px solid rgba(99, 102, 241, 0.2);
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}

small {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

small code {
  font-size: 0.9em;
  padding: 2px 6px;
}

/* ============================================
   HR / DIVIDERS
   ============================================ */

hr {
  border: none;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.3), transparent);
  margin: var(--spacing-xl) 0;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .container {
    padding: var(--spacing-md);
  }
  
  .card {
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
  }
  
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .topbar nav {
    margin-left: 0;
    flex-wrap: wrap;
  }
  
  .grid {
    grid-template-columns: 1fr;
  }
  
  .table {
    font-size: 0.875rem;
  }
  
  .table th,
  .table td {
    padding: var(--spacing-sm);
  }
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* ============================================
   SPECIAL EFFECTS
   ============================================ */

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Badge / Status indicators */
strong {
  font-weight: 700;
  color: var(--primary);
}

/* Form sections */
form {
  position: relative;
}

/* Button groups */
button[type="submit"] {
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}