:root {
  --bg-dark: #07140f;
  --surface: #0c261d;
  --surface-2: #14352a;
  --surface-card: rgba(18, 47, 37, 0.75);
  --border: rgba(255, 255, 255, 0.12);
  --border-light: rgba(255, 255, 255, 0.2);
  
  --forest: #0c261d;
  --olive: #35563c;
  --olive-light: #487252;
  --orange: #ee6b2c;
  --orange-dark: #c84f1b;
  --mint: #5ce39a;
  --mint-bg: rgba(92, 227, 154, 0.12);
  
  --text-main: #f4f1e8;
  --text-muted: #9aa89f;
  --text-dim: #67756c;
  
  --status-paid: #5ce39a;
  --status-paid-bg: rgba(92, 227, 154, 0.15);
  --status-pending: #ffb84d;
  --status-pending-bg: rgba(255, 184, 77, 0.15);
  --status-failed: #ff5c5c;
  --status-failed-bg: rgba(255, 92, 92, 0.15);

  --display-font: "Arial Narrow", Impact, "Segoe UI", sans-serif;
  --body-font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --sidebar-w: 260px;
  --shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
  --radius: 12px;
}

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

.hidden {
  display: none !important;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--body-font);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   AUTHENTICATION SCREEN (DEDICATED FULL SCREEN)
   ========================================================================== */
.auth-wrapper {
  min-height: 100vh;
  width: 100vw;
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: radial-gradient(circle at 50% 30%, #15372b 0%, #07140f 75%);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: rgba(12, 38, 29, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-light);
  border-radius: 18px;
  padding: 44px 36px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7);
  text-align: center;
}

.auth-logo img {
  height: 64px;
  width: auto;
  margin: 0 auto 18px;
}

.auth-title {
  font-family: var(--display-font);
  font-size: 2rem;
  letter-spacing: .02em;
  text-transform: uppercase;
  color: var(--text-main);
  margin-bottom: 6px;
}

.auth-title span {
  color: var(--orange);
}

.auth-subtitle {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 28px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  text-align: left;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
}

.form-input {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 0.95rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}

.form-input:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(238, 107, 44, 0.2);
}

.btn-primary {
  background: var(--orange);
  color: #fff;
  border: none;
  padding: 13px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: .03em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background .2s, transform .1s;
}

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

.btn-primary:active {
  transform: scale(0.99);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all .2s;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-success {
  background: var(--olive);
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background .2s;
}

.btn-success:hover {
  background: var(--olive-light);
}

.btn-outline {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.84rem;
  cursor: pointer;
  transition: all .2s;
}

.btn-outline:hover {
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.35);
}

.auth-hint {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 18px;
  line-height: 1.4;
}

/* ==========================================================================
   APP SHELL / LAYOUT
   ========================================================================== */
.app-container {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  transition: transform .25s ease;
}

.sidebar-brand {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.sidebar-brand img {
  height: 38px;
  width: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--display-font);
  font-size: 1.3rem;
  letter-spacing: .03em;
  text-transform: uppercase;
  line-height: 1.1;
  color: var(--text-main);
}

.brand-badge {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--orange);
  font-weight: 800;
}

.sidebar-nav {
  padding: 20px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all .2s;
  cursor: pointer;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
  color: var(--text-main);
  background: var(--surface-2);
  border-left: 3px solid var(--orange);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.sidebar-footer {
  padding: 16px 14px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
}

.avatar-circle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--olive);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.profile-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.profile-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.profile-role {
  font-size: 0.7rem;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-logout {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  transition: color .2s, background .2s;
  flex-shrink: 0;
}

.btn-logout:hover {
  color: var(--status-failed);
  background: rgba(255, 92, 92, 0.1);
}

/* Main Content Area */
.main-viewport {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Top App Header */
.top-header {
  background: rgba(12, 38, 29, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 18px;
}

.btn-menu-mobile {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  cursor: pointer;
}

.header-title-wrap h1 {
  font-family: var(--display-font);
  font-size: 1.6rem;
  letter-spacing: .02em;
  text-transform: uppercase;
  line-height: 1;
  color: var(--text-main);
}

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

/* ==========================================================================
   DASHBOARD CONTENT
   ========================================================================== */
.content-body {
  padding: 32px;
  flex: 1;
}

/* KPI Summary Cards Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.kpi-card {
  background: var(--surface-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 20px;
  position: relative;
  overflow: hidden;
  transition: transform .2s, border-color .2s;
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-light);
}

.kpi-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.kpi-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
}

.kpi-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  display: grid;
  place-items: center;
  color: var(--orange);
}

.kpi-value {
  font-family: var(--display-font);
  font-size: 2.2rem;
  letter-spacing: .02em;
  line-height: 1;
  color: var(--text-main);
  margin-bottom: 6px;
}

.kpi-sub {
  font-size: 0.76rem;
  color: var(--text-dim);
}

.kpi-sub strong {
  color: var(--mint);
}

/* Category Distribution Bars */
.distribution-panel {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 28px;
}

.distribution-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.distribution-title {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
}

.progress-stacked {
  display: flex;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(0,0,0,0.3);
  margin-bottom: 14px;
}

.progress-bar-segment {
  height: 100%;
  transition: width .4s ease;
}

.segment-men { background: var(--olive); }
.segment-women { background: var(--orange); }
.segment-doubles { background: #60a5fa; }
.segment-mixed { background: #c084fc; }

.legend-grid {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

/* ==========================================================================
   REGISTRATIONS TABLE SECTION
   ========================================================================== */
.table-panel {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.toolbar {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.search-box {
  position: relative;
  min-width: 260px;
  flex: 1;
  max-width: 360px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

.search-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px 9px 36px;
  color: var(--text-main);
  font-size: 0.88rem;
  outline: none;
}

.search-input:focus {
  border-color: var(--orange);
}

.filters-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-select {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-main);
  padding: 8px 12px;
  font-size: 0.84rem;
  outline: none;
  cursor: pointer;
}

.filter-select:focus {
  border-color: var(--orange);
}

/* Data Table */
.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  background: rgba(7, 20, 15, 0.6);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.88rem;
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background .15s;
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* Table Cells */
.athlete-cell {
  display: flex;
  align-items: center;
  gap: 12px;
}

.athlete-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--orange);
  font-weight: 700;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.athlete-meta {
  display: flex;
  flex-direction: column;
}

.athlete-name {
  font-weight: 600;
  color: var(--text-main);
}

.athlete-contact {
  font-size: 0.74rem;
  color: var(--text-muted);
}

.bib-badge {
  font-family: var(--display-font);
  font-size: 1.1rem;
  letter-spacing: .04em;
  color: var(--mint);
  background: rgba(92, 227, 154, 0.1);
  border: 1px solid rgba(92, 227, 154, 0.25);
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
}

.category-tag {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.07);
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.status-badge.paid {
  color: var(--status-paid);
  background: var(--status-paid-bg);
  border: 1px solid rgba(92, 227, 154, 0.3);
}

.status-badge.pending {
  color: var(--status-pending);
  background: var(--status-pending-bg);
  border: 1px solid rgba(255, 184, 77, 0.3);
}

.status-badge.failed {
  color: var(--status-failed);
  background: var(--status-failed-bg);
  border: 1px solid rgba(255, 92, 92, 0.3);
}

.actions-cell {
  display: flex;
  align-items: center;
  gap: 8px;
}

.action-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all .2s;
}

.action-btn:hover {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}

/* Empty State */
.table-empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--text-dim);
}

.table-empty svg {
  margin: 0 auto 12px;
  opacity: 0.5;
}

/* ==========================================================================
   MODALS & DRAWERS
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
}

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

.modal-container {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.7);
  transform: translateY(20px);
  transition: transform .25s ease;
}

.modal-overlay.is-open .modal-container {
  transform: translateY(0);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-family: var(--display-font);
  font-size: 1.4rem;
  letter-spacing: .02em;
  text-transform: uppercase;
  color: var(--text-main);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-main);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  background: rgba(0, 0, 0, 0.2);
}

/* Detail Drawer Rows */
.detail-section {
  margin-bottom: 20px;
}

.detail-section-title {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--orange);
  margin-bottom: 12px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  padding: 14px 16px;
  border-radius: 8px;
}

.detail-item {
  display: flex;
  flex-direction: column;
}

.detail-item-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: .04em;
}

.detail-item-val {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

.medical-alert-box {
  background: rgba(255, 92, 92, 0.12);
  border: 1px solid rgba(255, 92, 92, 0.3);
  border-radius: 8px;
  padding: 12px 16px;
  color: #ff9999;
  font-size: 0.85rem;
  margin-top: 12px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--surface-2);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  padding: 12px 20px;
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn .25s ease forwards;
}

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

/* Print Optimization */
@media print {
  body {
    background: #fff !important;
    color: #000 !important;
  }
  .sidebar, .top-header, .toolbar, .actions-cell, .kpi-grid, .distribution-panel, .btn-primary, .btn-secondary, .btn-success, .modal-footer {
    display: none !important;
  }
  .main-viewport {
    margin-left: 0 !important;
  }
  .table-panel {
    border: none !important;
    background: transparent !important;
  }
  .data-table th, .data-table td {
    color: #000 !important;
    border-bottom: 1px solid #ccc !important;
    font-size: 10pt !important;
  }
  .bib-badge {
    color: #000 !important;
    border: 1px solid #000 !important;
    background: #eee !important;
  }
}

/* Mobile Responsiveness */
@media (max-width: 900px) {
  :root {
    --sidebar-w: 0px;
  }
  .sidebar {
    width: 260px;
    transform: translateX(-100%);
  }
  .sidebar.is-open {
    transform: translateX(0);
  }
  .main-viewport {
    margin-left: 0;
  }
  .btn-menu-mobile {
    display: block;
  }
  .content-body {
    padding: 20px 16px;
  }
  .top-header {
    padding: 14px 16px;
  }
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  .detail-grid {
    grid-template-columns: 1fr;
  }
}