/* ============================================================
   ChampionTracker — Shared Design System
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;600&display=swap');

/* --- Design Tokens --- */
:root {
  /* Colors */
  --color-primary:          #2569EF;
  --color-primary-subdued:  #F5F8FF;
  --color-primary-border:   #2569EF;

  --color-text-default:     #202020;
  --color-text-secondary:   #767676;
  --color-text-on-primary:  #FFFFFF;

  --color-bg-default:       #FFFFFF;
  --color-bg-surface:       #F9F9F9;

  --color-border-default:   #E9E9EB;
  --color-border-secondary: #9A9A9C;

  --color-success:          #17B530;
  --color-success-text:     #202020;  /* dark text on green for WCAG contrast */
  --color-error:            #D93025;
  --color-warning:          #F5A623;

  --color-icon-default:     #202020;
  --color-icon-secondary:   #767676;
  --color-icon-primary:     #2569EF;

  /* Typography */
  --font-family:            'Roboto', sans-serif;
  --font-size-xs:           12px;
  --font-size-sm:           14px;
  --font-size-base:         16px;
  --font-size-lg:           18px;
  --font-size-xl:           24px;
  --font-size-2xl:          28px;
  --font-weight-regular:    400;
  --font-weight-medium:     500;
  --font-weight-semibold:   600;
  --line-height-base:       1.4;

  /* Spacing */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;

  /* Border radius */
  --radius-sm:   4px;
  --radius-md:   6px;
  --radius-lg:   8px;
  --radius-xl:   12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-card: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-dropdown: 0 4px 12px rgba(0,0,0,0.12);
}

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

html { font-size: 16px; }

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  color: var(--color-text-default);
  background: var(--color-bg-default);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:hover { opacity: 0.85; }
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

img { display: block; max-width: 100%; }

/* --- Focus styles (global) --- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ============================================================
   Layout: App Shell (sidebar + main)
   ============================================================ */
.app-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* --- Sidebar --- */
.sidebar {
  width: 260px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-default);
  border-right: 1px solid var(--color-border-default);
  height: 100vh;
}

.sidebar-logo {
  padding: var(--space-6) var(--space-6) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

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

.sidebar-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1);
  color: var(--color-icon-secondary);
  margin-left: auto;
  display: flex;
  align-items: center;
  border-radius: var(--radius-sm);
}
.sidebar-toggle:hover { background: var(--color-bg-surface); }

.sidebar-nav {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  list-style: none;
}

.nav-item { border-radius: var(--radius-md); overflow: hidden; }

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-default);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: background 0.15s;
}
.nav-link:hover { background: var(--color-primary-subdued); }
.nav-link.active {
  background: var(--color-primary-subdued);
  color: var(--color-primary);
}
.nav-link.active svg { color: var(--color-primary); }
.nav-link svg { width: 20px; height: 20px; flex-shrink: 0; }

.sidebar-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border-default);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: #F5A623;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  flex-shrink: 0;
}
.user-avatar img { width: 100%; height: 100%; border-radius: var(--radius-full); object-fit: cover; }

.user-info { flex: 1; min-width: 0; }
.user-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-email {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* --- Main content area --- */
.main-content {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* --- Top navigation bar --- */
.topbar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 0 var(--space-8);
  height: 64px;
  border-bottom: 1px solid var(--color-border-default);
  background: var(--color-bg-default);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-search {
  position: relative;
  flex: 0 0 300px;
}
.topbar-search svg {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-icon-secondary);
  width: 16px;
  height: 16px;
  pointer-events: none;
}
.topbar-search input {
  width: 100%;
  padding: 7px 12px 7px 34px;
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text-default);
  background: var(--color-bg-default);
}
.topbar-search input::placeholder { color: var(--color-text-secondary); }

.topbar-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-icon-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon-btn:hover { background: var(--color-bg-surface); color: var(--color-icon-default); }

/* --- Page content padding --- */
.page-content { padding: var(--space-8); flex: 1; }

/* --- Page header --- */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}
.page-title {  font-weight: var(--font-weight-medium); }

/* ============================================================
   Components
   ============================================================ */

/* --- Cards --- */
.card {
  background: var(--color-bg-default);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* --- Stats card --- */
.stats-grid {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.stat-card {
  flex: 1;
  min-width: 160px;
  padding: var(--space-4);
  background: var(--color-bg-default);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.stat-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.stat-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary-subdued);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
}
.stat-icon svg { width: 22px; height: 22px; }

.stat-label { font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); }
.stat-sublabel { font-size: var(--font-size-xs); color: var(--color-text-secondary); }
.stat-value { font-size: var(--font-size-xl); font-weight: var(--font-weight-medium); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px var(--space-5);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: opacity 0.15s, background 0.15s;
}
.btn:hover { opacity: 0.9; }
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

.btn-primary { background: var(--color-primary); color: var(--color-text-on-primary); }
.btn-outline {
  background: var(--color-bg-default);
  color: var(--color-text-default);
  border: 1px solid var(--color-border-secondary);
}
.btn-sm { padding: 6px var(--color-3); font-size: var(--font-size-xs); }
.btn-full { width: 100%; }

/* --- Form controls --- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-default);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
select {
  width: 100%;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text-default);
  background: var(--color-bg-default);
  transition: border-color 0.15s, box-shadow 0.15s;
}
input::placeholder { color: var(--color-text-secondary); }
input:focus-visible, select:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 105, 239, 0.15);
}
input.error { border-color: var(--color-error); }
.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: 2px;
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}
.input-with-icon input { padding-right: 40px; width: 100%; }
.input-with-icon .toggle-password {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-icon-secondary);
  padding: 2px;
  display: flex;
  align-items: center;
  border-radius: var(--radius-sm);
}

/* Checkbox */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  min-width: 16px;
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-sm);
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1.6;
  white-space: nowrap;
}
.badge-success { background: var(--color-success); color: #ffffff; }
.badge-primary { background: var(--color-primary); color: white; }
.badge-warning { background: var(--color-warning); color: var(--color-text-default); }
.badge-cancelled { background: var(--color-error); color: white; }
.badge-progress { background: var(--color-primary); color: white; }

/* --- Table --- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-default);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}
thead th {
  padding: 10px 16px;
  text-align: left;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-default);
  background: var(--color-bg-default);
  border-bottom: 1px solid var(--color-border-default);
  white-space: nowrap;
}
thead th[aria-sort] { cursor: pointer; }
thead th[aria-sort]:hover { background: var(--color-bg-surface); }

tbody tr {
  border-bottom: 1px solid var(--color-border-default);
  transition: background 0.1s;
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--color-bg-surface); }

td {
  padding: 12px 16px;
  vertical-align: middle;
}

td input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-sm);
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* --- Person cell --- */
.person-cell { display: flex; align-items: center; gap: var(--space-3); }
.avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
}
.person-name { font-weight: var(--font-weight-medium); }
.person-title { font-size: var(--font-size-xs); color: var(--color-text-secondary); }

/* --- Table toolbar --- */
.table-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border-default);
}
.table-toolbar .search-input-wrapper {
  position: relative;
  flex: 0 0 300px;
}
.table-toolbar .search-input-wrapper svg {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--color-icon-secondary);
  pointer-events: none;
}
.table-toolbar input[type="search"] {
  padding-left: 34px;
  height: 38px;
  width: 100%;
}
.table-toolbar-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* --- Pagination --- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border-default);
  flex-wrap: wrap;
  gap: var(--space-3);
}
.pagination-controls { display: flex; align-items: center; gap: var(--space-1); }
.page-btn {
  min-width: 32px;
  height: 32px;
  padding: 0 var(--space-2);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  background: var(--color-bg-default);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text-default);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}
.page-btn:hover { background: var(--color-bg-surface); }
.page-btn.active { background: var(--color-primary); color: white; border-color: var(--color-primary); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.per-page-select {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.per-page-select select { width: auto; height: 32px; padding: 0 28px 0 10px; }

/* --- Toast / Alert --- */
.toast {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}
.toast-success { background: #E6F9E9; color: #0D6E1F; border: 1px solid #A3DFAb; }
.toast-close {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  opacity: 0.7;
  font-size: 18px;
  line-height: 1;
  padding: 0 2px;
}
.toast-close:hover { opacity: 1; }

/* --- LinkedIn icon link --- */
.linkedin-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: #0A66C2;
  color: white;
  text-decoration: none;
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
}
.linkedin-link:hover { opacity: 0.85; }

/* --- Edit action link --- */
.action-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  text-decoration: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  border-radius: var(--radius-sm);
}
.action-link:hover { text-decoration: underline; }

/* --- Progress bar --- */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--color-border-default);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-bar-fill { height: 100%; border-radius: var(--radius-full); }
.progress-bar-fill.green { background: var(--color-success); }
.progress-bar-fill.blue { background: var(--color-primary); }

/* --- Trend indicator --- */
.trend { display: inline-flex; align-items: center; gap: 2px; font-size: var(--font-size-xs); font-weight: var(--font-weight-medium); }
.trend.up { color: var(--color-success); }
.trend.down { color: var(--color-error); }

/* ============================================================
   Logo — always proportionate, never stretched
   ============================================================ */
.sidebar-logo img,
.auth-logo img {
  object-fit: contain;
  flex-shrink: 0;
}

/* ============================================================
   Responsive — App layout (dashboard, champions)
   ============================================================ */
@media (max-width: 768px) {
  /* App shell: stack sidebar on top */
  .app-layout {
    flex-direction: column;
    height: auto;
    min-height: 100vh;
    overflow: visible;
  }

  /* Sidebar becomes a top nav bar */
  .sidebar {
    width: 100%;
    height: auto;
    flex-direction: column;
    border-right: none;
    border-bottom: 1px solid var(--color-border-default);
  }

  .sidebar-logo {
    padding: var(--space-3) var(--space-4);
  }

  .sidebar-nav {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: var(--space-1) var(--space-2) var(--space-2);
    gap: var(--space-1);
    -webkit-overflow-scrolling: touch;
  }

  .nav-item { flex-shrink: 0; }

  .sidebar-footer { display: none; }

  /* Main content */
  .main-content {
    overflow-y: visible;
    height: auto;
  }

  /* Topbar */
  .topbar {
    padding: 0 var(--space-4);
    gap: var(--space-2);
  }

  .topbar-search {
    flex: 1 1 0;
    min-width: 0;
  }

  /* Page content */
  .page-content { padding: var(--space-4); }

  .page-header {
    flex-wrap: wrap;
    gap: var(--space-3);
  }

  /* Stats cards */
  .stats-grid { flex-direction: column; }
  .stat-card { min-width: unset; }

  /* Table toolbar */
  .table-toolbar { flex-wrap: wrap; }
  .table-toolbar .search-input-wrapper {
    flex: 1 1 0;
    min-width: 0;
  }
  .table-toolbar-actions {
    width: 100%;
    justify-content: flex-end;
  }

  /* Pagination */
  .pagination { flex-direction: column; align-items: flex-start; }
}