/* Overlive — Professional CSS Framework */
/* Clean, modern design system for tournament management */

/* === CSS Variables (Design System) === */
:root {
  /* Primary Colors - Professional Blue Palette */
  --primary: #2563eb;
  --primary-light: #3b82f6;
  --primary-dark: #1e40af;
  --primary-foreground: #ffffff;

  /* Secondary Colors - Slate Gray */
  --secondary: #475569;
  --secondary-light: #64748b;
  --secondary-dark: #334155;
  --secondary-foreground: #ffffff;

  /* Accent Colors - Professional oranges/browns */
  --tertiary: #f59e0b;
  --tertiary-light: #fbbf24;
  --tertiary-dark: #d97706;
  --tertiary-foreground: #ffffff;

  /* Status Colors */
  --success: #10b981;
  --success-light: #34d399;
  --success-dark: #059669;
  --success-foreground: #ffffff;

  --warning: #f59e0b;
  --warning-light: #fbbf24;
  --warning-dark: #d97706;
  --warning-foreground: #ffffff;

  --danger: #ef4444;
  --danger-light: #f87171;
  --danger-dark: #dc2626;
  --danger-foreground: #ffffff;

  --info: #3b82f6;
  --info-light: #60a5fa;
  --info-dark: #2563eb;
  --info-foreground: #ffffff;

  /* Neutral Colors */
  --background: #ffffff;
  --background-dark: #f8fafc;
  --surface: #f1f5f9;
  --surface2: #e2e8f0;
  --surface3: #cbd5e1;
  --border: #e2e8f0;
  --border-dark: #94a3b8;
  --text: #1e293b;
  --text-dim: #64748b;
  --text-muted: #94a3b8;

  /* Typography */
  --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Orbitron', monospace;
  --font-body: 'Rajdhani', sans-serif;

  /* Spacing */
  --spacing-3xs: 2px;
  --spacing-2xs: 4px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;

  /* Border Radius */
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;
}

/* === Reset & Base Styles === */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background-color: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: var(--spacing-md);
  min-height: 100vh;
  font-family: var(--font-primary);
  overflow-x: hidden;
}

/* === Layout Components === */
.app-container {
  max-width: 1400px;
  margin: 0 auto;
  background: var(--background-dark);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 90vh;
}

.header {
  background: var(--background);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-md) var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  font-size: 20px;
  color: var(--primary);
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
}

.nav {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  background: var(--surface2);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.nav-link.active {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-connected {
  background: rgba(16,185,129,0.1);
  color: var(--success);
  border: 1px solid rgba(16,185,129,0.2);
}

.status-disconnected {
  background: rgba(239,68,68,0.1);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.2);
}

.status-pending {
  background: rgba(245,158,11,0.1);
  color: var(--warning);
  border: 1px solid rgba(245,158,11,0.2);
}

.content-wrapper {
  padding: var(--spacing-xl);
  flex: 1;
}

/* === Components === */
.config-section {
  margin-bottom: var(--spacing-xl);
}

.config-card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.config-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.config-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.config-card-title {
  font-size: 18px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-full {
  grid-column: 1 / -1;
}

label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

input, select, textarea {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  font-size: 14px;
  font-family: var(--font-primary);
  background: var(--background);
  color: var(--text);
  transition: all var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

input[type="color"] {
  width: 50px;
  height: 40px;
  padding: 2px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border);
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn:before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transition: width 0.6s, height 0.6s;
}

.btn:active:before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  border: 1px solid var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background: var(--surface2);
  transform: translateY(-1px);
}

.btn-success {
  background: var(--success);
  color: var(--success-foreground);
  border: 1px solid var(--success);
}

.btn-success:hover {
  background: var(--success-dark);
  border-color: var(--success-dark);
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--danger);
  color: var(--danger-foreground);
  border: 1px solid var(--danger);
}

.btn-danger:hover {
  background: var(--danger-dark);
  border-color: var(--danger-dark);
  transform: translateY(-1px);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 12px;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 16px;
}

/* Cards */
.card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* Grid Systems */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Utilities */
.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-large { font-size: 18px; }
.font-medium { font-size: 16px; }
.font-small { font-size: 14px; }
.font-xs { font-size: 12px; }

.font-weight-bold { font-weight: 700; }
.font-weight-semibold { font-weight: 600; }
.font-weight-normal { font-weight: 400; }

.color-primary { color: var(--primary); }
.color-secondary { color: var(--secondary); }
.color-tertiary { color: var(--tertiary); }
.color-success { color: var(--success); }
.color-warning { color: var(--warning); }
.color-danger { color: var(--danger); }
.color-info { color: var(--info); }

/* === Mobile Responsive === */
@media (max-width: 768px) {
  body {
    padding: var(--spacing-xs);
  }

  .app-container {
    border-radius: 0;
    min-height: 100vh;
  }

  .header {
    padding: var(--spacing-sm);
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    width: 100%;
    flex-direction: column;
  }

  .nav-link {
    justify-content: center;
  }

  .content-wrapper {
    padding: var(--spacing-md);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  } }

/* === Animations === */
@keyframes spin {
  to { transform: rotate(360deg); }
}

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

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.3s ease;
}

.slide-up {
  animation: slideUp 0.3s ease;
}

/* === Special Components === */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.on {
  background: var(--success);
  box-shadow: 0 0 8px rgba(16,185,129,0.5);
}

.status-dot.off {
  background: var(--danger);
}

.loading {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: var(--spacing-xs);
}

.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-muted);
}

.empty-state i {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  opacity: 0.3;
}

.toast {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  background: var(--background);
  border-left: 4px solid var(--primary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(10px);
  transform: translateX(100%);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: var(--z-toast);
  pointer-events: all;
  max-width: 400px;
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast.success {
  border-left-color: var(--success);
}

.toast.error {
  border-left-color: var(--danger);
}

.toast.warning {
  border-left-color: var(--warning);
}

.toast.info {
  border-left-color: var(--info);
}

/* === Custom Scrollbar === */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--surface);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--border-dark);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* === Typography Enhancements === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
  margin: 0 0 var(--spacing-md) 0;
}

h1 { font-size: 32px; }
h2 { font-size: 28px; }
h3 { font-size: 24px; }
h4 { font-size: 20px; }
h5 { font-size: 18px; }
h6 { font-size: 16px; }

p {
  margin: 0 0 var(--spacing-md) 0;
  line-height: 1.6;
  color: var(--text);
}

strong {
  font-weight: 600;
  color: var(--text);
}

/* === Overlay Components === */
.preview-container {
  background: #000;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--border);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.preview-container:hover {
  border-color: var(--primary);
  background: rgba(37,99,235,0.02);
}

.overlay-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
}

.overlay-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
  background: var(--background);
}

.overlay-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-sm) auto;
  font-size: 24px;
  color: white;
}

.overlay-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text);
  font-size: 15px;
}

.overlay-desc {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.5;
}

/* === Preview Specifics === */
.ol-lbl {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
  display: block;
}

.ui {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  transition: all var(--transition-fast);
}

.ui:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
}

.uc {
  display: block;
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 11px;
  color: var(--text);
  background: var(--background-dark);
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-xs);
  word-break: break-all;
  cursor: text;
}

.uc:hover {
  background: var(--surface);
}

.ub {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
  margin-top: var(--spacing-xs);
}

/* === Special Elements === */
.cr {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.cpw {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.api-key-input {
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 12px;
  letter-spacing: 1px;
  background: var(--background-dark);
  color: var(--primary);
  font-weight: 600;
}

/* === Page Transitions === */
.page {
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
  transform: translateY(10px);
}

.page.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* === Responsive Overlays === */
@media (max-width: 1200px) {
  .content-wrapper {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 992px) {
  .grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .preview-container {
    min-height: 200px;
    padding: var(--spacing-md);
  }

  .overlay-icon {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }

  .toast {
    bottom: var(--spacing-sm);
    right: var(--spacing-sm);
    left: var(--spacing-sm);
    max-width: none;
  }
}

/* === High Contrast Mode Support === */
@media (prefers-contrast: high) {
  :root {
    --border: #000000;
    --text: #000000;
    --background: #ffffff;
  }

  .config-card {
    border-width: 2px;
  }

  .nav-link {
    border-width: 2px;
  }
}