/**
 * Pauper Spezl Registry - Light Modern Flat Theme
 */

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

:root {
  /* Light flat palette */
  --color-primary: #2563EB;
  --color-primary-dark: #1D4ED8;
  --color-primary-light: #3B82F6;
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F1F5F9;
  --color-text: #0F172A;
  --color-text-secondary: #475569;
  --color-text-muted: #94A3B8;
  --color-border: #E2E8F0;
  --color-success: #16A34A;
  --color-success-bg: #F0FDF4;
  --color-warning: #D97706;
  --color-warning-bg: #FFFBEB;
  --color-error: #DC2626;
  --color-error-bg: #FEF2F2;
  --color-info-bg: #EFF6FF;

  /* Semantic mappings */
  --primary: var(--color-primary);
  --primary-dark: var(--color-primary-dark);
  --primary-light: var(--color-primary-light);
  --bg-dark: var(--color-bg);
  --bg-darker: var(--color-surface-alt);
  --bg-card: var(--color-surface);
  --text-light: var(--color-text);
  --text-muted: var(--color-text-muted);
  --success: var(--color-success);
  --danger: var(--color-error);
  --warning: var(--color-warning);
  --info: var(--color-primary);
  --border: var(--color-border);

  /* Typography */
  --font-family-headline: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;

  /* Spacing */
  --spacing-xs: 6px;
  --spacing-sm: 10px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 40px;
  --spacing-2xl: 56px;

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  /* Flat shadows - subtle only */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 4px 12px rgba(15, 23, 42, 0.08);

  /* Opacity variants (legacy references) */
  --alpha-05: 0.05;
  --alpha-08: 0.08;
  --alpha-1: 0.1;
  --alpha-15: 0.15;
  --alpha-2: 0.2;
  --alpha-3: 0.3;
  --alpha-5: 0.5;
  --alpha-8: 0.8;
  --alpha-95: 0.95;
}

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

html {
  scroll-behavior: smooth;
  background: var(--color-bg);
}

body {
  font-family: var(--font-family-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  font-weight: 400;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Navigation Bar */
.navbar {
  background: var(--color-surface);
  color: var(--color-text);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-shrink: 0;
}

.brand-logo {
  height: 32px;
  width: auto;
  display: block;
}

.navbar-brand .brand-text h1 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
  font-family: var(--font-family-headline);
  color: var(--color-text);
}

.navbar-brand .brand-text .subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Hamburger Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  gap: 5px;
  padding: var(--spacing-sm);
  z-index: 101;
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
  transition: all 0.2s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Navigation Links */
.nav-links {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
}

.nav-links p {
  color: var(--color-border);
  margin: 0;
}

.nav-menu {
  display: none;
}

.nav-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  background-color: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  font-size: var(--font-size-sm);
}

.nav-link:hover {
  background-color: var(--color-surface-alt);
  color: var(--color-text);
}

.nav-link.active {
  color: var(--color-primary);
  background-color: var(--color-info-bg);
}

/* Main Content */
.main-content {
  padding: var(--spacing-xl) 0;
  margin-bottom: var(--spacing-xl);
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  font-size: 1.75rem;
  margin-bottom: 0;
  color: var(--color-text);
  font-family: var(--font-family-headline);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-top: var(--spacing-sm);
}

/* Forms */
.form-container {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  border: 1px solid var(--color-border);
  max-width: 640px;
  margin: 0 auto;
}

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

.form-group:last-child {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-family-sans);
  font-size: 0.95rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  min-height: 44px;
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-surface);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

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

.form-group small {
  display: block;
  margin-top: var(--spacing-xs);
  color: var(--color-text-muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

.form-section {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.form-section h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
  font-family: var(--font-family-headline);
  font-weight: 600;
}

.help-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
}

/* Generic form input (used in modals) */
.form-input {
  width: 100%;
  padding: 12px 14px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-family-sans);
  font-size: 0.95rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

/* Input Tabs */
.input-tabs {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.tab-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s ease;
  margin-bottom: -1px;
}

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

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

.input-tab-content {
  display: none;
}

.input-tab-content.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Buttons */
.btn {
  padding: 10px 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  min-height: 42px;
  font-family: var(--font-family-sans);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
}

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

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-surface-alt);
  border-color: var(--color-text-muted);
}

.form-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  justify-content: center;
}

.btn-small {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  background-color: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-small:hover {
  background-color: var(--color-surface-alt);
}

/* Preview Section */
.preview-section {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  border: 1px solid var(--color-border);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

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

.preview-header h3 {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  font-weight: 700;
}

.tournament-banner {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.tournament-banner img {
  max-width: 100%;
  max-height: 300px;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.tournament-name {
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

.close-btn {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.close-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-alt);
}

.preview-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.stat-item {
  background: var(--color-surface-alt);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  text-align: center;
  border: 1px solid var(--color-border);
}

.stat-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
}

.stat-value.valid {
  color: var(--color-success);
}

.stat-value.invalid {
  color: var(--color-error);
}

/* Deck List */
.deck-list {
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--color-border);
}

.deck-list h4 {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  font-weight: 600;
}

.deck-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
}

.deck-card:last-child {
  border-bottom: none;
}

.deck-card.sideboard-card {
  background: var(--color-warning-bg);
}

.card-quantity {
  font-weight: 700;
  color: var(--color-primary);
  min-width: 40px;
}

.deck-card.sideboard-card .card-quantity {
  color: var(--color-warning);
}

.card-name {
  flex: 1;
  color: var(--color-text);
}

/* Warnings */
.warnings {
  background: var(--color-warning-bg);
  border-left: 3px solid var(--color-warning);
  padding: var(--spacing-lg);
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-lg);
}

.warning-header {
  font-weight: 700;
  color: var(--color-warning);
  margin-bottom: var(--spacing-md);
}

.warning-item {
  color: var(--color-text);
  padding: var(--spacing-xs) 0;
}

.legality-status {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-left: var(--spacing-sm);
}

.unfound-cards {
  background: var(--color-error-bg);
  border-left: 3px solid var(--color-error);
  padding: var(--spacing-lg);
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-lg);
}

.unfound-cards h4 {
  color: var(--color-error);
  margin-bottom: var(--spacing-md);
}

.unfound-item {
  color: var(--color-text);
  padding: var(--spacing-xs) 0;
}

/* Loading Spinner */
.loading {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-muted);
}

.loading.hidden {
  display: none;
}

.spinner {
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--spacing-md);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Alerts */
.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-lg);
  animation: slideDown 0.2s ease;
  border-left: 3px solid var(--color-primary);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.alert-error {
  background-color: var(--color-error-bg);
  color: var(--color-error);
  border-left-color: var(--color-error);
}

.alert-success {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border-left-color: var(--color-success);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Success Section */
.success-section {
  max-width: 700px;
  margin: 0 auto;
}

.success-container {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  border: 1px solid var(--color-border);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.success-icon {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-success);
}

.success-container h2 {
  color: var(--color-text);
  font-weight: 700;
}

.success-subtitle {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.verification-code-box,
.qr-code-box {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.verification-code-box .label,
.qr-code-box .label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.code-display {
  font-family: 'Courier New', monospace;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 2px;
  margin: var(--spacing-md) 0;
}

#qrCodeContainer {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

#qrCodeContainer img,
#qrCodeContainer canvas {
  max-width: 200px;
}

.deck-info-box {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  text-align: left;
}

.deck-info-box h4 {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.info-row {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
}

.info-row:last-child {
  border-bottom: none;
}

.info-row span:first-child {
  color: var(--color-text-muted);
}

.info-row span:last-child {
  color: var(--color-text);
  font-weight: 500;
}

.info-row .valid {
  color: var(--color-success);
  font-weight: 700;
}

.info-row .invalid {
  color: var(--color-error);
  font-weight: 700;
}

.info-row.banned {
  background: var(--color-warning-bg);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-md);
}

.success-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-xl);
  flex-wrap: wrap;
}

.success-actions .btn {
  flex: 1;
  min-width: 150px;
}

.success-actions a {
  text-decoration: none;
  display: inline-flex;
}

/* Check Status Page */
.check-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.input-with-button {
  display: flex;
  gap: var(--spacing-md);
}

.input-with-button .form-input {
  flex: 1;
  min-width: 0;
}

.input-with-button .btn-primary {
  flex-shrink: 0;
  white-space: nowrap;
}

.check-result {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  max-width: 800px;
  margin: 0 auto;
}

.result-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.result-section h2 {
  font-size: 1.35rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  font-weight: 700;
}

.result-section h3 {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-md);
}

.detail-item {
  background: var(--color-surface-alt);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.detail-item.full-width {
  grid-column: 1 / -1;
}

.detail-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.detail-value {
  display: block;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
}

.detail-value.valid {
  color: var(--color-success);
}

.detail-value.invalid {
  color: var(--color-error);
}

/* Deck List Items (check status / admin) */
.deck-card-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  transition: background 0.15s ease;
}

.deck-card-item:hover {
  background: var(--color-surface-alt);
}

.deck-card-item:last-child {
  border-bottom: none;
}

.deck-card-item.sideboard-card-item {
  background: var(--color-warning-bg);
}

.deck-card-item.sideboard-card-item:hover {
  background: #FEF3C7;
}

.deck-card-qty {
  font-weight: 700;
  color: var(--color-primary);
  min-width: 40px;
}

.deck-card-item.sideboard-card-item .deck-card-qty {
  color: var(--color-warning);
}

.deck-card-name {
  flex: 1;
  margin-left: var(--spacing-md);
}

/* Mode Toggle */
.mode-toggle {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

/* Results Actions */
.result-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  flex-wrap: wrap;
}

.result-actions .btn {
  flex: 1;
  min-width: 150px;
  justify-content: center;
}

/* Admin Page */
.login-section {
  max-width: 480px;
  margin: 0 auto;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  border: 1px solid var(--color-border);
}

.login-container {
  margin-top: var(--spacing-lg);
}

.admin-section {
  padding: var(--spacing-lg) 0;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  text-align: center;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
}

.stat-card.valid {
  border-top-color: var(--color-success);
}

.stat-card.invalid {
  border-top-color: var(--color-error);
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.stat-card .stat-label {
  margin-top: var(--spacing-sm);
}

.stat-card .stat-value {
  font-weight: 500;
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-sm);
}

.admin-filters {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.filter-input {
  flex: 1;
  min-width: 200px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  background-color: var(--color-surface);
  color: var(--color-text);
}

.filter-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.admin-deck-list {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow-x: auto;
  border: 1px solid var(--color-border);
}

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

.admin-table thead {
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
}

.admin-table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

.admin-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

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

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

.admin-table tbody tr.invalid-row {
  background-color: var(--color-error-bg);
}

.code-cell {
  font-family: 'Courier New', monospace;
}

.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.status-badge.valid {
  background-color: var(--color-success-bg);
  color: var(--color-success);
}

.status-badge.invalid {
  background-color: var(--color-error-bg);
  color: var(--color-error);
}

.no-data {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-muted);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-md);
}

.modal-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  max-width: 700px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.25s ease;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0;
}

.modal-header h3,
.modal-header h2 {
  margin: 0;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.35rem;
}

.modal-header p {
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal.hidden {
  display: none;
}

.detail-section {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.detail-section:last-child {
  border-bottom: none;
}

.detail-section h4 {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  font-weight: 600;
}

.detail-section.warning {
  background: var(--color-warning-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-sm);
  border-bottom: none;
}

.banned-list {
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
}

.banned-item {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-error);
  font-weight: 500;
}

.banned-item:last-child {
  border-bottom: none;
}

/* Tournament Selector */
.tournament-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.tournament-item {
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
  background: var(--color-surface);
}

.tournament-item:hover {
  border-color: var(--color-primary);
  background: var(--color-info-bg);
}

.tournament-item h3 {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--color-text);
  font-weight: 600;
}

.tournament-item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.tournament-item .loading {
  padding: var(--spacing-xl);
  color: var(--color-text-muted);
  font-style: italic;
}

/* Visibility */
.hidden {
  display: none !important;
}

/* Progress Overlay */
.progress-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.progress-overlay.hidden {
  display: none;
}

.progress-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 480px;
  width: 90%;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.25s ease;
}

.progress-header {
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.progress-header h3 {
  font-size: var(--font-size-xl);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-family-headline);
  font-weight: 700;
}

.progress-warning {
  color: var(--color-warning);
  font-size: var(--font-size-sm);
  margin: 0;
}

.progress-bar-container {
  background: var(--color-surface-alt);
  border-radius: var(--radius-full);
  height: 8px;
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--color-border);
}

.progress-bar {
  height: 100%;
  background: var(--color-primary);
  width: 0%;
  transition: width 0.3s ease;
  border-radius: var(--radius-full);
}

.progress-stats {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.progress-text {
  text-align: center;
  color: var(--color-text);
  font-weight: 500;
  font-size: var(--font-size-base);
}

.progress-text span {
  color: var(--color-primary);
  font-weight: 700;
}

.progress-current {
  background: var(--color-surface-alt);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-style: italic;
  word-break: break-word;
}

/* Admin Page - Players List */
.players-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.player-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

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

.player-status {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.player-status.valid {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 2px solid var(--color-success);
}

.player-status.invalid {
  background: var(--color-error-bg);
  color: var(--color-error);
  border: 2px solid var(--color-error);
}

.player-info {
  flex: 1;
}

.player-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.player-email {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.player-code {
  font-family: 'Courier New', monospace;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 600;
}

.banned-badges {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

.badge {
  background: var(--color-error-bg);
  color: var(--color-error);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border: 1px solid var(--color-error);
}

/* Admin Tabs */
.admin-tabs {
  display: flex;
  gap: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.admin-tab-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

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

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

.admin-tab-content {
  display: none;
}

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

/* Ban List Management */
.banlist-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.banlist-form {
  background: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.banlist-form h3 {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
  font-family: var(--font-family-headline);
  font-weight: 600;
}

.banlist-display {
  background: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.banlist-display h3 {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
  font-family: var(--font-family-headline);
  font-weight: 600;
}

.banlist-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-height: 800px;
  min-height: 100px;
  overflow-y: auto;
  padding: var(--spacing-sm);
}

.banlist-card-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-surface-alt);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  transition: all 0.15s ease;
}

.banlist-card-item:hover {
  border-color: var(--color-primary);
}

.banlist-card-name {
  flex: 1;
  color: var(--color-text);
  font-weight: 500;
}

.banlist-card-remove {
  background: var(--color-error-bg);
  color: var(--color-error);
  border: 1px solid var(--color-error);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: all 0.15s ease;
}

.banlist-card-remove:hover {
  background: var(--color-error);
  color: #FFFFFF;
}

/* Player Card Actions */
.player-card-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.player-card-action-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: all 0.15s ease;
  white-space: nowrap;
}

.player-card-action-btn:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-primary);
}

.player-card-action-btn.delete {
  color: var(--color-error);
  border-color: var(--color-error);
}

.player-card-action-btn.delete:hover {
  background: var(--color-error-bg);
}

/* Tournament Selector */
.tournament-selector {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.tournament-select-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 1;
  min-width: 250px;
}

.tournament-select-wrapper label {
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.tournament-select-wrapper select {
  flex: 1;
  padding: 12px 14px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all 0.15s ease;
}

.tournament-select-wrapper select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.tournament-select-wrapper select option {
  background-color: var(--color-surface);
  color: var(--color-text);
  padding: var(--spacing-md);
}

.tournament-actions {
  display: flex;
  gap: var(--spacing-md);
}

.btn-new-tournament {
  background: var(--color-primary);
  color: #FFFFFF;
  padding: 10px 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  min-height: 42px;
}

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

.btn-edit-tournament {
  background-color: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  min-height: 42px;
}

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

/* Tournament Modal */
.tournament-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  padding: var(--spacing-md);
}

.tournament-modal.hidden {
  display: none;
}

.tournament-modal-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.25s ease;
}

.tournament-modal-header {
  margin-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing-lg);
}

.tournament-modal-header h2 {
  font-size: 1.5rem;
  color: var(--color-text);
  margin: 0;
  font-weight: 700;
}

.tournament-modal-body {
  margin-bottom: var(--spacing-xl);
}

.tournament-modal-footer {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

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

.tournament-form label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.tournament-form input,
.tournament-form textarea {
  width: 100%;
  padding: 12px 14px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  transition: all 0.15s ease;
}

.tournament-form input:focus,
.tournament-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.tournament-form textarea {
  min-height: 100px;
  resize: vertical;
}

.tournament-info {
  background: var(--color-info-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-lg);
  border-left: 3px solid var(--color-primary);
}

.tournament-info h4 {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-base);
  font-weight: 600;
}

.tournament-info p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* Deck Modal - Fullscreen */
.deck-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  z-index: 2000;
  overflow-y: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--spacing-xl);
}

.deck-modal.hidden {
  display: none;
}

.deck-modal-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 900px;
  width: 100%;
  padding: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  position: relative;
  box-shadow: var(--shadow-lg);
}

.modal-close-btn {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all 0.15s ease;
  z-index: 10;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.modal-close-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-alt);
}

.deck-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing-lg);
}

.deck-modal-header h2 {
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
}

.deck-modal-header p {
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
}

.modal-deck-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.deck-section {
  background: var(--color-surface-alt);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.deck-section h3 {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.deck-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.stat-box {
  background: var(--color-surface);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  text-align: center;
  border: 1px solid var(--color-border);
}

.stat-box-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.stat-box-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text);
}

.deck-cards {
  max-height: 500px;
  overflow-y: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --font-size-2xl: 1.25rem;
    --font-size-xl: 1.125rem;
    --spacing-2xl: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-lg: 1.5rem;
  }

  .input-with-button {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .input-with-button .form-input {
    width: 100%;
  }

  .input-with-button .btn {
    width: 100%;
  }

  .navbar {
    padding: var(--spacing-sm) 0;
  }

  .navbar .container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .navbar-brand {
    gap: var(--spacing-sm);
  }

  .navbar-brand .brand-text h1 {
    font-size: 1.1rem;
    letter-spacing: 0;
  }

  .navbar-brand .brand-text .subtitle {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    z-index: 100;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu .nav-link {
    padding: var(--spacing-md);
    width: 100%;
    text-align: left;
  }

  .nav-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
  }

  .form-container {
    padding: var(--spacing-lg);
  }

  .form-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .check-input-group {
    flex-direction: column;
  }

  .check-input-group .btn {
    width: 100%;
  }

  .details-grid {
    grid-template-columns: 1fr;
  }

  .admin-table {
    font-size: var(--font-size-sm);
  }

  .admin-table th,
  .admin-table td {
    padding: var(--spacing-sm);
  }

  .admin-filters {
    flex-direction: column;
  }

  .filter-input {
    width: 100%;
    min-width: unset;
  }

  .deck-list {
    max-height: 300px;
  }

  .success-actions {
    flex-direction: column;
  }

  .success-actions .btn {
    width: 100%;
    min-width: unset;
  }

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

  .modal-content {
    max-height: 85vh;
  }

  .result-actions {
    flex-direction: column;
  }

  .result-actions .btn {
    width: 100%;
  }

  .banlist-container {
    grid-template-columns: 1fr;
  }

  .player-card {
    flex-direction: column;
    text-align: center;
  }

  .tournament-selector {
    flex-direction: column;
    align-items: stretch;
  }

  .tournament-select-wrapper {
    width: 100%;
  }

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

  .tournament-actions button {
    width: 100%;
  }

  .deck-modal {
    padding: var(--spacing-md);
  }

  .deck-modal-content {
    padding: var(--spacing-lg);
    margin-top: var(--spacing-md);
  }

  .modal-close-btn {
    top: var(--spacing-md);
    right: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .navbar-brand {
    flex-direction: column;
    text-align: center;
  }

  .form-container,
  .check-container,
  .login-section {
    padding: var(--spacing-md);
  }

  .deck-list {
    max-height: 250px;
    padding: var(--spacing-md);
  }

  .admin-table {
    display: block;
    overflow-x: auto;
  }

  .verification-code-box .code-display {
    font-size: var(--font-size-lg);
    letter-spacing: 1px;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .preview-stats {
    grid-template-columns: 1fr;
  }

  .details-grid {
    grid-template-columns: 1fr;
  }

  .admin-stats {
    grid-template-columns: 1fr;
  }

  .players-list {
    grid-template-columns: 1fr;
  }

  .tournament-list {
    grid-template-columns: 1fr;
  }
}