/*
 * This is a manifest file that'll be compiled into application.css, which will include all the files
 * listed below.
 *
 * Any CSS (and SCSS, if configured) file within this directory, lib/assets/stylesheets, or any plugin's
 * vendor/assets/stylesheets directory can be referenced here using a relative path.
 *
 * You're free to add application-wide styles to this file and they'll appear at the bottom of the
 * compiled file so the styles you add here take precedence over styles defined in any other CSS
 * files in this directory. Styles in this file should be added after the last require_* statement.
 * It is generally better to create a new file per style scope.
 *


 */

/* ============================================
   CSS DESIGN SYSTEM - Tennis Hub Tournament
   Modern / Minimal / Clean / Light Theme
   ============================================ */

/* --------------------------------------------
   1. CSS Variables (Design Tokens)
   -------------------------------------------- */
:root {
  /* Colors - Light Theme */
  --color-bg: #ffffff;
  --color-surface: #f8fafc;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  /* Text Colors */
  --color-text-primary: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;

  /* Brand Colors */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #dbeafe;

  /* Semantic Colors */
  --color-success: #16a34a;
  --color-success-light: #dcfce7;
  --color-warning: #d97706;
  --color-warning-light: #fef3c7;
  --color-danger: #dc2626;
  --color-danger-light: #fee2e2;

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* Container */
  --container-max: 1200px;
}

/* --------------------------------------------
   2. Base Styles
   -------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --------------------------------------------
   3. Layout
   -------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-md) var(--space-md) var(--space-2xl);
}

@media (min-width: 640px) {
  .container {
    padding: var(--space-lg) var(--space-xl) var(--space-2xl);
  }
}

/* --------------------------------------------
   4. Navigation
   -------------------------------------------- */
.navbar {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm) var(--space-md);
  max-width: var(--container-max);
  margin: 0 auto;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-primary);
  text-decoration: none;
  margin-right: auto;
}

.navbar-brand:hover {
  color: var(--color-primary-hover);
}

.navbar-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm) var(--space-md);
}

.navbar a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.15s ease;
}

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

.navbar .admin-badge {
  display: inline-block;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-left: var(--space-xs);
}

/* --------------------------------------------
   5. Typography
   -------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-md);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text-primary);
}

h1 {
  font-size: 2rem;
  font-weight: 700;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0 0 var(--space-md);
}

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

a:hover {
  text-decoration: underline;
}

.text-secondary {
  color: var(--color-text-secondary);
}

.text-muted {
  color: var(--color-text-muted);
}

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

/* --------------------------------------------
   6. Page Header
   -------------------------------------------- */
.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.page-header h1 {
  margin: 0;
}

.page-subtitle {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-top: var(--space-xs);
}

/* --------------------------------------------
   7. Cards
   -------------------------------------------- */
.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

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

.card-header h2,
.card-header h3 {
  margin: 0;
}

.info-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-md);
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.info-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.info-value {
  font-size: 1rem;
  color: var(--color-text-primary);
}

/* Group Card */
.group-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  overflow: hidden;
}

.group-card-header {
  background-color: var(--color-surface);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.group-card-header h3 {
  margin: 0;
  font-size: 1.125rem;
}

.group-card-body {
  padding: 0;
}

/* --------------------------------------------
   8. Tables
   -------------------------------------------- */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 calc(-1 * var(--space-md));
  padding: 0 var(--space-md);
}

@media (min-width: 640px) {
  .table-wrapper {
    margin: 0;
    padding: 0;
  }
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th,
.data-table td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  font-weight: 600;
  color: var(--color-text-secondary);
  background-color: var(--color-surface);
  white-space: nowrap;
}

.data-table tbody tr:hover {
  background-color: var(--color-surface);
}

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

/* Compact table for standings */
.data-table--compact th,
.data-table--compact td {
  padding: var(--space-xs) var(--space-sm);
}

.data-table--compact th:first-child,
.data-table--compact td:first-child {
  padding-left: var(--space-lg);
}

.data-table--compact th:last-child,
.data-table--compact td:last-child {
  padding-right: var(--space-lg);
}

/* Numeric columns */
.data-table .col-num {
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* Checkbox column */
.data-table .col-checkbox {
  width: 40px;
  text-align: center;
}

.data-table input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Action links in tables */
.table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-sm);
  font-size: 0.875rem;
}

.table-actions a {
  white-space: nowrap;
}

/* --------------------------------------------
   9. Score Display
   -------------------------------------------- */
.score-display {
  font-size: 1.25rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.score-display--large {
  font-size: 1.5rem;
}

.score-vs {
  color: var(--color-text-muted);
  font-weight: 400;
  font-size: 0.875rem;
}

.winner-highlight {
  color: var(--color-success);
  font-weight: 600;
}

/* --------------------------------------------
   10. Badges
   -------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: capitalize;
}

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

.badge--in-progress {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.badge--completed {
  background-color: var(--color-success-light);
  color: var(--color-success);
}

.badge--category {
  background-color: var(--color-warning-light);
  color: var(--color-warning);
  font-size: 0.6875rem;
  padding: 0.0625rem 0.375rem;
}

/* --------------------------------------------
   11. Buttons
   -------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.5rem 1rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-primary);
  color: white;
}

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

.btn--secondary {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  background-color: var(--color-surface);
  border-color: var(--color-text-muted);
}

.btn--danger {
  background-color: var(--color-danger);
  color: white;
}

.btn--danger:hover {
  background-color: #b91c1c;
}

.btn--success {
  background-color: var(--color-success);
  color: white;
}

.btn--success:hover {
  background-color: #15803d;
}

.btn--sm {
  padding: 0.25rem 0.75rem;
  font-size: 0.8125rem;
}

.btn--lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

/* Button group */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* --------------------------------------------
   12. Forms
   -------------------------------------------- */
.form-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  max-width: 500px;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.form-input,
.form-select {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

/* Error states */
.form-errors {
  background-color: var(--color-danger-light);
  border: 1px solid var(--color-danger);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
}

.form-errors h2 {
  color: var(--color-danger);
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
}

.form-errors ul {
  margin: 0;
  padding-left: var(--space-lg);
}

.form-errors li {
  color: var(--color-danger);
  font-size: 0.875rem;
}

/* Step indicator */
.step-indicator {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-lg);
}

.step-indicator strong {
  color: var(--color-primary);
}

/* --------------------------------------------
   13. Flash Messages
   -------------------------------------------- */
.flash {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  font-size: 0.875rem;
}

.flash--notice {
  background-color: var(--color-success-light);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.flash--alert {
  background-color: var(--color-danger-light);
  color: var(--color-danger);
  border: 1px solid var(--color-danger);
}

/* --------------------------------------------
   14. Player List
   -------------------------------------------- */
.player-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.player-list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.player-list li:last-child {
  border-bottom: none;
}

/* --------------------------------------------
   15. Actions Bar
   -------------------------------------------- */
.actions-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.actions-bar--bottom {
  margin-top: var(--space-lg);
  margin-bottom: 0;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* --------------------------------------------
   16. Selection Info
   -------------------------------------------- */
.selection-info {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-lg);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md) var(--space-lg);
}

.selection-info strong {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.selection-count {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* --------------------------------------------
   17. Empty State
   -------------------------------------------- */
.empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  color: var(--color-text-secondary);
}

.empty-state p {
  margin-bottom: var(--space-lg);
}

/* --------------------------------------------
   18. Utility Classes
   -------------------------------------------- */
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.hidden {
  display: none !important;
}

@media (max-width: 639px) {
  .hidden-mobile {
    display: none !important;
  }
}

@media (min-width: 640px) {
  .hidden-desktop {
    display: none !important;
  }
}

/* --------------------------------------------
   19. Section Divider
   -------------------------------------------- */
.section-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-xl) 0;
}

/* --------------------------------------------
   20. Matches Section
   -------------------------------------------- */
.matches-section {
  margin-top: var(--space-xl);
}

.matches-section h2 {
  margin-bottom: var(--space-md);
}

/* --------------------------------------------
   21. Language Switcher
   -------------------------------------------- */
.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-left: var(--space-md);
  padding-left: var(--space-md);
  border-left: 1px solid var(--color-border);
  font-size: 0.875rem;
}

.lang-link {
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.125rem 0.25rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, background-color 0.15s ease;
}

.lang-link:hover {
  color: var(--color-primary);
}

.lang-link.active {
  color: var(--color-primary);
  font-weight: 600;
  background-color: var(--color-primary-light);
}

/* --------------------------------------------
   22. Tabs
   -------------------------------------------- */
.tabs {
  margin-top: var(--space-xl);
}

.tabs-header {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.tab-btn {
  padding: var(--space-sm) var(--space-lg);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.tab-btn:hover {
  color: var(--color-primary);
}

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

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.tab-section {
  margin-bottom: var(--space-lg);
}

.tab-section h4 {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

/* --------------------------------------------
   23. Match Edit Form
   -------------------------------------------- */
.match-players {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
}

.match-player {
  text-align: center;
}

.match-player-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.match-vs {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.score-input-group {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.score-input-group .form-group {
  margin-bottom: 0;
  flex: 1;
  max-width: 120px;
}

.score-input {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  padding: var(--space-md);
}

.score-separator {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  padding-bottom: var(--space-sm);
}

/* Inline score editing in tournament table */
.inline-score-cell {
  white-space: nowrap;
}

.inline-score-input {
  width: 50px;
  padding: 0.25rem 0.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-variant-numeric: tabular-nums;
  font-family: inherit;
}

.inline-score-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.inline-score-separator {
  display: inline-block;
  margin: 0 0.25rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}