/* ==========================================================================
   Band Manager — HubSpot-inspired design system
   See .docs/design-guide.md
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700&display=swap');

:root {
  --color-nav-bg: #2d3e50;
  --color-sidebar-bg: #ffffff;
  --color-page-bg: #f5f8fa;
  --color-surface: #ffffff;
  --color-border: #e5e8eb;
  --color-border-strong: #cbd6e2;
  --color-primary: #ff7a59;
  --color-primary-hover: #ff5c35;
  --color-primary-light: #fff1ee;
  --color-link: #0091ae;
  --color-link-hover: #007a8c;
  --color-focus: #0091ae;
  --color-text-primary: #33475b;
  --color-text-secondary: #516f90;
  --color-text-muted: #7c98b6;
  --color-text-inverse: #ffffff;
  --color-success: #00bda5;
  --color-success-light: #e5f8f6;
  --color-warning: #f5a623;
  --color-warning-light: #fef9ee;
  --color-danger: #f2545b;
  --color-danger-light: #fde8e9;
  --color-info: #0091ae;
  --color-info-light: #e5f5f8;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --topnav-height: 44px;
  --sidebar-width: 220px;
  --bs-body-font-family: Lexend, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --bs-body-color: var(--color-text-primary);
  --bs-body-bg: var(--color-page-bg);
  --bs-primary: #ff7a59;
  --bs-primary-rgb: 255, 122, 89;
  --bs-link-color: var(--color-link);
  --bs-link-hover-color: var(--color-link-hover);
  --bs-border-color: var(--color-border);
  --bs-border-radius: 3px;
}

html { font-size: 14px; }

body {
  margin: 0;
  color: var(--color-text-primary);
  background: var(--color-page-bg);
  font-family: var(--bs-body-font-family);
}

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

.app-shell { min-height: 100vh; display: flex; flex-direction: column; }

.app-topnav {
  height: var(--topnav-height);
  background: var(--color-nav-bg);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  padding: 0 var(--space-4);
  gap: var(--space-4);
  flex-shrink: 0;
  z-index: 1030;
}

.app-topnav-brand {
  color: var(--color-text-inverse);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.app-topnav-brand:hover { color: var(--color-text-inverse); opacity: 0.9; }
.app-topnav-spacer { flex: 1; }

.app-topnav-group .dropdown-toggle {
  color: var(--color-text-inverse);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 3px;
  padding: 4px 10px;
}

.app-topnav-group .dropdown-toggle:hover,
.app-topnav-group .dropdown-toggle:focus {
  color: var(--color-text-inverse);
  background: rgba(255, 255, 255, 0.08);
}

.app-topnav-user { display: flex; align-items: center; gap: var(--space-2); font-size: 13px; }
.app-topnav-user a, .app-topnav-user button {
  color: rgba(255, 255, 255, 0.9) !important;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  padding: 4px 8px;
  border: none;
  background: transparent;
}
.app-topnav-user a:hover, .app-topnav-user button:hover { color: #fff !important; }

.app-topnav-toggle {
  color: var(--color-text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: transparent;
  border-radius: 3px;
  padding: 4px 8px;
}

.app-body { display: flex; flex: 1; min-height: 0; }

.app-sidebar {
  width: var(--sidebar-width);
  background: var(--color-sidebar-bg);
  border-right: 1px solid var(--color-border);
  flex-shrink: 0;
  padding: var(--space-4) 0;
  overflow-y: auto;
}

.app-sidebar-section { padding: 0 var(--space-3); margin-bottom: var(--space-4); }

.app-sidebar-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-1);
}

.app-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 8px var(--space-3);
  margin: 2px 0;
  border-radius: 3px;
  color: var(--color-text-primary);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  border-left: 3px solid transparent;
}

.app-nav-link i { font-size: 16px; color: var(--color-text-secondary); width: 20px; text-align: center; }
.app-nav-link:hover { background: var(--color-page-bg); color: var(--color-text-primary); }
.app-nav-link.active { background: var(--color-primary-light); border-left-color: var(--color-primary); }
.app-nav-link.active i { color: var(--color-primary); }

.app-nav-group { margin: 2px 0; }

.app-nav-toggle {
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.app-nav-toggle .app-nav-chevron {
  font-size: 12px;
  color: var(--color-text-muted);
  transition: transform 0.15s ease;
}

.app-nav-toggle[aria-expanded="true"] .app-nav-chevron {
  transform: rotate(180deg);
}

.app-nav-submenu {
  padding: 2px 0 4px 0;
}

.app-nav-sublink {
  display: block;
  padding: 6px var(--space-3) 6px calc(var(--space-3) + 20px + var(--space-3));
  margin: 1px 0;
  border-radius: 3px;
  border-left: 3px solid transparent;
  color: var(--color-text-secondary);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
}

.app-nav-sublink:hover {
  background: var(--color-page-bg);
  color: var(--color-text-primary);
}

.app-nav-sublink.active {
  background: var(--color-primary-light);
  border-left-color: var(--color-primary);
  color: var(--color-text-primary);
}

.app-nav-group--nested {
  margin: 0;
}

.app-nav-sublink.app-nav-toggle {
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.app-nav-submenu--nested {
  padding-left: 0;
}

.app-nav-sublink--nested {
  padding-left: calc(var(--space-3) + 20px + var(--space-3) + var(--space-4));
  font-size: 12px;
}

.app-main { flex: 1; padding: var(--space-6); overflow-x: auto; min-width: 0; }
.app-main--anonymous { padding: var(--space-6); max-width: 960px; margin: 0 auto; }

@media (max-width: 991.98px) {
  .app-sidebar.offcanvas-lg { width: var(--sidebar-width); }
}

.app-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.app-page-title { font-size: 20px; font-weight: 600; color: var(--color-text-primary); margin: 0; }
.app-page-subtitle { font-size: 12px; color: var(--color-text-secondary); margin-top: var(--space-1); }
.app-page-actions { display: flex; align-items: center; gap: var(--space-2); flex-shrink: 0; }

.app-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.app-card--link {
  color: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.app-card--link:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.app-card-header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
  font-weight: 600;
}

.app-card-body { padding: var(--space-5) var(--space-6); }
.app-card-body--flush { padding: 0; }

.app-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.app-stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
  padding: var(--space-5) var(--space-4);
  text-align: center;
}

.app-stat-value { font-size: 28px; font-weight: 600; line-height: 1.2; }
.app-stat-label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.app-table { width: 100%; margin-bottom: 0; border-collapse: collapse; }
.app-table thead th {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-text-secondary);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
}
.app-table tbody td {
  font-size: 14px;
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
.app-table tbody tr:hover { background: var(--color-page-bg); }
.app-table tbody tr:last-child td { border-bottom: none; }
.app-table .text-end-actions { white-space: nowrap; text-align: right; }

.app-badge { display: inline-block; border-radius: 3px; padding: 2px 8px; font-size: 11px; font-weight: 600; }
.app-badge--success { background: var(--color-success-light); color: var(--color-success); }
.app-badge--neutral { background: var(--color-page-bg); color: var(--color-text-secondary); }
.app-badge--danger { background: var(--color-danger-light); color: var(--color-danger); }
.app-badge--info { background: var(--color-info-light); color: var(--color-info); }

.app-alert { padding: var(--space-3) var(--space-4); margin-bottom: var(--space-4); font-size: 14px; border-radius: 3px; border-left: 3px solid transparent; }
.app-alert--info { background: var(--color-info-light); border-left-color: var(--color-info); }
.app-alert--warning { background: var(--color-warning-light); border-left-color: var(--color-warning); }
.app-alert--danger { background: var(--color-danger-light); border-left-color: var(--color-danger); }

.app-form-card { max-width: 720px; }
.app-form-card .form-label { font-size: 12px; color: var(--color-text-secondary); margin-bottom: var(--space-1); }
.app-form-card .form-control, .app-form-card .form-select {
  border: 1px solid var(--color-border-strong);
  border-radius: 3px;
  padding: 8px 12px;
  font-size: 14px;
}
.app-form-card .form-control:focus, .app-form-card .form-select:focus {
  border-color: var(--color-focus);
  box-shadow: 0 0 0 3px rgba(0, 145, 174, 0.15);
}
.app-form-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.btn { border-radius: 3px; font-size: 14px; font-weight: 500; padding: 7px 16px; }
.btn-primary {
  --bs-btn-bg: var(--color-primary);
  --bs-btn-border-color: var(--color-primary);
  --bs-btn-hover-bg: var(--color-primary-hover);
  --bs-btn-hover-border-color: var(--color-primary-hover);
}
.btn-secondary, .btn-outline-secondary {
  --bs-btn-color: var(--color-text-primary);
  --bs-btn-bg: #ffffff;
  --bs-btn-border-color: var(--color-border-strong);
  --bs-btn-hover-bg: var(--color-page-bg);
}
.btn-danger { --bs-btn-bg: var(--color-danger); --bs-btn-border-color: var(--color-danger); }
.btn-link { color: var(--color-link); text-decoration: none; font-weight: 500; }
.btn-link:hover { color: var(--color-link-hover); text-decoration: underline; }
.btn-sm { padding: 4px 12px; font-size: 13px; }

@media (min-width: 992px) {
  .app-sidebar.offcanvas-lg {
    position: static;
    transform: none !important;
    visibility: visible !important;
    height: calc(100vh - var(--topnav-height));
    top: 0;
  }

  .app-sidebar.offcanvas-lg .offcanvas-header {
    display: none;
  }
}

.hero { min-height: 60vh; background: linear-gradient(135deg, #1f2937 0%, #4b2e83 100%); }
.hero .next-event { background: rgba(255, 255, 255, 0.1); max-width: 28rem; }

.set-build-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: start;
}

@media (max-width: 991.98px) {
  .set-build-columns {
    grid-template-columns: 1fr;
  }
}

.set-build-column {
  min-height: 420px;
}

.set-build-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.set-build-column-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
}

.set-build-print-btn {
  line-height: 1;
  padding: 0.125rem 0.375rem;
  color: var(--color-text-secondary);
}

.set-build-print-btn:hover {
  color: var(--color-text-primary);
}

.set-build-group-duration {
  font-size: 12px;
  font-weight: 500;
  flex-shrink: 0;
}

.set-build-filters {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-page-bg);
}

.set-build-search-wrap {
  grid-column: 1 / -1;
}

.set-build-search-wrap .form-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

.set-build-filter .form-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

.set-build-filter-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-primary);
  background: var(--color-surface);
  border-color: var(--color-border-strong);
}

.set-build-filter-toggle::after {
  margin-left: auto;
}

.set-build-filter-menu {
  max-height: 240px;
  overflow-y: auto;
  padding: var(--space-2);
}

.set-build-filter-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px var(--space-2);
  border-radius: 3px;
}

.set-build-filter-option:hover {
  background: var(--color-page-bg);
}

.set-build-filter-option .form-check-input {
  margin-top: 0;
  flex-shrink: 0;
}

.set-build-filter-option .form-check-label {
  font-size: 13px;
  cursor: pointer;
}

@media (max-width: 991.98px) {
  .set-build-filters {
    grid-template-columns: 1fr;
  }
}

.set-build-list {
  min-height: 360px;
  max-height: 70vh;
  overflow-y: auto;
  padding: var(--space-3);
}

.set-build-empty {
  padding: var(--space-4);
  margin: 0;
  text-align: center;
  font-size: 13px;
}

.set-build-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3);
  margin-bottom: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  cursor: grab;
}

.set-build-card:active {
  cursor: grabbing;
}

.set-build-card.sortable-ghost {
  opacity: 0.45;
  background: var(--color-primary-light);
}

.set-build-card-body {
  flex: 1;
  min-width: 0;
}

.set-build-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.set-build-card-meta {
  font-size: 12px;
  margin-top: 2px;
}

.set-build-card-remove {
  flex-shrink: 0;
  line-height: 1;
  padding: 0 4px;
  font-size: 18px;
}

.set-build-status {
  font-size: 13px;
  font-weight: 500;
}