/* OpenRockets Shares - Global Design System */
/* Cloudflare-inspired clean, minimal UI */

@import url('https://fonts.googleapis.com/css2?family=Ubuntu:wght@400;500;700&display=swap');

:root {
  /* Brand colors (keep palette intentionally tight) */
  --brand-blue: #0073ff;         /* Zoom-like light blue */
  --brand-blue-dark: #1f6fd6;
  --brand-blue-light: #eff6ff;

  --brand-orange: #000000;       /* Existing OpenRockets orange */
  --brand-orange-dark: #000000;
  --brand-orange-light: #fef3e8;

  /* Primary (UI emphasis) + Accent (sparingly) */
  --primary: var(--brand-blue);
  --primary-dark: var(--brand-blue-dark);
  --primary-light: var(--brand-blue-light);

  --accent: var(--brand-orange);
  --accent-dark: var(--brand-orange-dark);
  --accent-light: var(--brand-orange-light);

  /* RGB helpers (for rgba() usage) */
  --primary-rgb: 45, 140, 255;
  --accent-rgb: 246, 130, 31;
  
  /* Neutral Colors */
  --gray-50: #fafafa;
  --gray-100: #f4f4f5;
  --gray-200: #e4e4e7;
  --gray-300: #d4d4d8;
  --gray-400: #000000;
  --gray-500: #000000;
  --gray-600: #000000;
  --gray-700: #000000;
  --gray-800: #000000;
  --gray-900: #000000;

  /* Borders (except HR lines) */
  --border-color: #000000;
  --hr-color: #e4e4e7;
  
  /* Status Colors (used primarily for borders/icons) */
  --success: #00ff5e;
  --warning: #ff0000;
  --error: #ff0000;
  --info: var(--primary);

  /* Status background tints (avoid heavy use; keep subtle/white-first UI) */
  --success-light: #ffffff;
  --warning-light: #ffffff;
  --error-light: #ffffff;
  --info-light: #ffffff;
  
  /* Layout */
  --sidebar-width: 240px;
  --header-height: 56px;
  --border-radius: 6px;
  --border-radius-lg: 10px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --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);
  
  /* Typography */
  --font-family: 'Ubuntu', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', Menlo, monospace;
  
  /* Transitions */
  --transition: all 0.15s ease;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 15.5px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  color: var(--gray-800);
  background: var(--gray-50);
  line-height: 1.5;
  min-height: 100vh;
}

hr {
  border: 0;
  border-top: 1px solid var(--hr-color);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

button {
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  transition: var(--transition);
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  transition: var(--transition);
}

/* Typography */
h1 { font-size: 1.875rem; font-weight: 600; color: var(--gray-900); }
h2 { font-size: 1.5rem; font-weight: 600; color: var(--gray-900); }
h3 { font-size: 1.25rem; font-weight: 600; color: var(--gray-900); }
h4 { font-size: 1.125rem; font-weight: 500; color: var(--gray-800); }
h5 { font-size: 1rem; font-weight: 500; color: var(--gray-700); }

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-muted { color: var(--gray-500); }
.text-primary { color: var(--primary); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--border-radius);
  font-weight: 500;
  font-size: 0.875rem;
  line-height: 1.5;
  border: 1px solid transparent;
  transition: var(--transition);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-secondary {
  background: #fff;
  color: var(--gray-700);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: var(--gray-50);
  border-color: var(--border-color);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
}

.btn-ghost:hover {
  background: var(--gray-100);
  color: var(--gray-800);
}

.btn-danger {
  background: transparent;
  color: var(--gray-800);
  border-color: var(--error);
  border-width: 1px;
  border-style: solid;
}

.btn-danger:hover {
  background: var(--gray-50);
  border-color: var(--error);
}

.btn-lg {
  padding: 12px 24px;
  font-size: 1rem;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 0.75rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
}

/* Form Elements */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: #fff;
  color: var(--gray-800);
  font-size: 0.875rem;
}

.form-input:focus {
  border-color: var(--border-color);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.12);
}

.form-input::placeholder {
  color: var(--gray-400);
}

.form-select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: #fff;
  color: var(--gray-800);
  font-size: 0.875rem;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23000000' viewBox='0 0 16 16'%3E%3Cpath d='M4.646 6.646a.5.5 0 0 1 .708 0L8 9.293l2.646-2.647a.5.5 0 0 1 .708.708l-3 3a.5.5 0 0 1-.708 0l-3-3a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-select:focus {
  border-color: var(--border-color);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.12);
}

.form-hint {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 4px;
}

.form-error {
  font-size: 0.75rem;
  color: var(--error);
  margin-top: 4px;
}

/* Cards */
.card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
  background: #fff;
  border: 1px solid var(--border-color);
}

.badge-success {
  background: #fff;
  color: var(--gray-800);
  border-color: var(--success);
}

.badge-warning {
  background: #fff;
  color: var(--gray-800);
  border-color: var(--warning);
}

.badge-error {
  background: #fff;
  color: var(--gray-800);
  border-color: var(--error);
}

.badge-info {
  background: #fff;
  color: var(--gray-800);
  border-color: var(--primary);
}

.badge-neutral {
  background: #fff;
  color: var(--gray-600);
  border-color: var(--border-color);
}

/* Layout - App Shell */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: #fff;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;

  min-height: var(--header-height);
}

.sidebar-logo {
  height: 28px;
  width: auto;
}

.sidebar-brand {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-800);
  white-space: nowrap;
  color: #2d8cff;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 8px;
}

.sidebar-section {
  margin-bottom: 20px;
}

.sidebar-section-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-400);
  padding: 0 12px;
  margin-bottom: 4px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--border-radius);
  color: var(--gray-600);
  font-size: 0.875rem;
  font-weight: 400;
  transition: var(--transition);
}

.sidebar-link:hover {
  background: var(--gray-100);
  color: var(--gray-800);
}

.sidebar-link.active {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 500;
}

.sidebar-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--gray-900);
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
}

/* Main Content */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-width: 0;
}

.main-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--border-color);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.main-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.main-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

#sidebar-toggle {
  display: none;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--gray-500);
}

.breadcrumb a {
  color: var(--gray-500);
}

.breadcrumb a:hover {
  color: var(--gray-800);
}

.breadcrumb .separator {
  color: var(--gray-800);
}

.breadcrumb .current {
  color: var(--gray-800);
  font-weight: 500;
}

.page-content {
  padding: 24px;
  max-width: 1200px;
}

.page-title {
  margin-bottom: 24px;
}

.page-title h1 {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.page-title p {
  color: var(--gray-500);
  font-size: 0.875rem;
}

/* Footer */
.site-footer {
  background: #000;
  color: #fff;
}

.site-footer a {
  color: #fff;
}

.site-footer-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 56px 24px;
}

.site-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.site-footer-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-logo {
  width: 180px;
  height: auto;
  object-fit: contain;
  display: block;
}

.site-footer-text {
  font-size: 0.875rem;
  line-height: 1.65;
  max-width: 22rem;
}

.site-footer-text a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.site-footer-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid #fff;
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--border-radius-lg);
  background: transparent;
  text-decoration: none;
  line-height: 1.2;
}

.footer-pill--solid {
  font-weight: 700;
}

.footer-pill-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.site-footer-heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.site-footer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.site-footer-list a {
  font-size: 0.875rem;
  text-decoration: none;
}

.site-footer-list a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.site-footer-bottom {
  border-top: 1px solid #fff;
  padding-top: 24px;
  font-size: 0.75rem;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .site-footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .site-footer-brand {
    grid-column: span 2;
  }
}

/* Tables */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  text-align: left;
  padding: 12px 16px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-500);
  background: #fff;
  border-bottom: 1px solid var(--border-color);
}

tbody td {
  padding: 12px 16px;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border-color);
}

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

tbody tr:hover {
  background: var(--gray-50);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 20px;
}

.stat-card-header svg {
  width: 18px;
  height: 18px;
  color: var(--gray-900);
}

.stat-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.stat-card-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-card-label {
  font-size: 0.75rem;
  color: var(--gray-500);
  font-weight: 500;
}

.stat-card-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
}

.stat-card-change {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 0.75rem;
  font-weight: 500;
  margin-top: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: #fff;
  color: var(--gray-700);
}

.stat-card-change.positive {
  border-color: var(--success);
}

.stat-card-change.negative {
  border-color: var(--error);
}

/* Chart Placeholder */
.chart-container {
  position: relative;
  width: 100%;
  height: 200px;
  display: flex;
  align-items: flex-end;
  gap: 2px;
  padding: 20px 0;
}

.chart-bar {
  flex: 1;
  background: var(--primary);
  border-radius: 2px 2px 0 0;
  opacity: 0.7;
  transition: var(--transition);
  min-height: 4px;
}

.chart-bar:hover {
  opacity: 1;
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
  gap: 0;
}

.tab {
  padding: 12px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-500);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.tab:hover {
  color: var(--gray-700);
}

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: #fff;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
  transform: translateY(10px);
  transition: var(--transition);
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  color: var(--gray-500);
  background: none;
}

.modal-close:hover {
  background: var(--gray-100);
  color: var(--gray-800);
}

/* Notifications / Toasts */
.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 12px 16px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 280px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Progress Bar */
.progress-bar {
  height: 4px;
  background: var(--gray-200);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}

/* Avatar */
.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

.avatar-sm { width: 24px; height: 24px; font-size: 0.7rem; }
.avatar-lg { width: 40px; height: 40px; font-size: 1rem; }

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-state svg {
  width: 64px;
  height: 64px;
  color: var(--gray-300);
  margin-bottom: 16px;
}

.empty-state h3 {
  margin-bottom: 8px;
  color: var(--gray-700);
}

.empty-state p {
  color: var(--gray-500);
  margin-bottom: 20px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }

  #sidebar-toggle {
    display: inline-flex;
  }

  .main-header {
    height: auto;
    padding: 10px 16px;
    flex-wrap: wrap;
    align-items: flex-start;
    row-gap: 8px;
  }

  .main-header-left {
    width: 100%;
    min-width: 0;
  }

  .main-header-right {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .breadcrumb {
    flex-wrap: wrap;
  }

  .site-footer {
    padding: 0;
  }

  .site-footer-container {
    padding: 40px 16px;
  }

  .site-footer-bottom {
    padding-top: 16px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .page-content {
    padding: 16px;
  }
}

/* Utility Classes */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.w-full { width: 100%; }
.hidden { display: none; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }