:root {
  --primary: #0a1628;
  --primary-light: #1a3a6b;
  --primary-deep: #030810;
  --accent: #ff8c00;
  --accent-bright: #ffb347;
  --accent-dark: #e67e00;
  --accent-soft: #ffd699;
  --accent-glow: rgba(255, 140, 0, 0.35);
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #38bdf8;
  --bg: #050d1a;
  --bg-soft: #0c1a2e;
  --card: rgba(12, 26, 48, 0.88);
  --card-hover: rgba(16, 34, 62, 0.92);
  --card-solid: #ffffff;
  --text: #f0f6ff;
  --text-light: #94a8c4;
  --border: rgba(255, 255, 255, 0.09);
  --shadow-lg: 0 28px 64px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.28);
  --shadow-accent: 0 8px 32px var(--accent-glow);
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
  --nav-height: 72px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --logo-size: clamp(88px, 22vw, 112px);
  --logo-login: clamp(120px, 32vw, 160px);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI Variable', 'Segoe UI', system-ui, sans-serif;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(255, 140, 0, 0.14), transparent 55%),
    radial-gradient(circle at 85% 15%, rgba(56, 189, 248, 0.08), transparent 35%),
    linear-gradient(180deg, #030810 0%, var(--bg) 50%, #061018 100%);
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh;
  padding-bottom: calc(var(--nav-height) + var(--safe-bottom) + 12px);
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.35), transparent 78%);
}
.app-header {
  background: linear-gradient(180deg, rgba(8, 18, 36, 0.97) 0%, rgba(5, 13, 26, 0.92) 100%);
  color: white;
  padding: max(12px, env(safe-area-inset-top)) 16px 18px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.35);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
}
.header-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}
.header-top-actions {
  width: 100%;
  display: flex;
  justify-content: flex-end;
  min-height: 32px;
}
.logo-container {
  width: var(--logo-size);
  height: var(--logo-size);
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(255,255,255,0.12), rgba(255,255,255,0.04));
  border: 2px solid rgba(255, 140, 0, 0.35);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-accent), 0 0 0 8px rgba(255, 140, 0, 0.06);
  position: relative;
  transition: transform 280ms var(--ease-out);
}
.logo-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.logo-fallback {
  font-size: clamp(2.4rem, 8vw, 3rem);
  display: none;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}
.header-text {
  text-align: center;
  width: 100%;
}
.app-header h1 {
  font-size: clamp(1.15rem, 4.5vw, 1.45rem);
  font-weight: 800;
  letter-spacing: 1.2px;
  line-height: 1.2;
  text-transform: uppercase;
  background: linear-gradient(135deg, #fff 30%, var(--accent-soft) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.header-subtitle-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.header-status-icon {
  display: inline-block;
  margin-left: 6px;
  font-size: 1rem;
  vertical-align: middle;
  opacity: 0;
  transform: translateY(-1px) scale(0.96);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.header-status-icon.active {
  opacity: 1;
  transform: translateY(-1px) scale(1);
  animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: translateY(-1px) scale(1); }
  50% { transform: translateY(-1px) scale(1.12); }
}
.app-header p {
  font-size: 0.78rem;
  color: var(--text-light);
  letter-spacing: 0.2px;
}
.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 14px 16px 8px;
}
.section { display: none; animation: fadeIn 0.25s ease; }
.section.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.card {
  background: var(--card);
  color: var(--text);
  border-radius: 20px;
  padding: 18px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: background-color 200ms var(--ease-out);
}
.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #f7fbff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 18px;
  border-radius: 12px;
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 160ms var(--ease-out), box-shadow 160ms var(--ease-out), background-color 160ms var(--ease-out), color 160ms var(--ease-out), border-color 160ms var(--ease-out);
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-bright), var(--accent));
  color: #1a0f00;
  width: 100%;
  box-shadow: var(--shadow-accent);
  font-weight: 700;
  min-height: 48px;
}
.btn-primary:active { transform: scale(0.97); filter: brightness(0.95); }
.btn-accent {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: white;
  width: 100%;
  margin-top: 8px;
  min-height: 48px;
}
.btn-accent:active { transform: scale(0.97); }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-info { background: var(--info); color: white; }
.btn-sm { padding: 8px 12px; font-size: 0.85rem; }
.btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.16);
  color: #eef6ff;
}
.btn-outline:hover { background: rgba(255,255,255,0.08); color: white; }
.btn-whatsapp { background: #25D366; color: white; }
.btn-call { background: var(--info); color: white; }
.form-group { margin-bottom: 14px; }
.alert-banner {
  margin-bottom: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(46, 204, 113, 0.15);
  border: 1px solid rgba(46, 204, 113, 0.4);
  color: #eafff3;
  font-size: 0.9rem;
  line-height: 1.5;
}
.alert-banner strong { color: #6ee7a8; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 12px;
  font-size: 1rem;
  font-family: inherit;
  background: rgba(255,255,255,0.96);
  color: #16233b;
  transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #8a95a8;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow);
}
.form-group textarea { min-height: 80px; resize: vertical; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.search-box {
  position: relative;
  margin-bottom: 14px;
}
.search-bar {
  width: 100%;
  padding: 12px 40px 12px 16px;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 12px;
  font-size: 1rem;
  background: rgba(255,255,255,0.94);
  color: #16233b;
}
.search-bar::placeholder { color: #8a95a8; }
.search-bar:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-glow); }
.clear-search {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text-light);
  cursor: pointer;
}
.athlete-card {
  background: var(--card);
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  backdrop-filter: blur(16px);
  transition: transform 180ms var(--ease-out), background-color 180ms var(--ease-out);
}
.athlete-card:active { transform: scale(0.985); background: var(--card-hover); }
.athlete-card.inactive { opacity: 0.72; border-left-color: var(--text-light); }
.athlete-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}
.athlete-info h3 { font-size: 1.05rem; color: #f7fbff; margin-bottom: 2px; }
.athlete-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 10px;
}
.athlete-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.athlete-actions .btn { flex: 1; min-width: 80px; }
.attendance-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px;
  background: var(--card);
  border-radius: 14px;
  margin-bottom: 10px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.attendance-row .name { font-weight: 600; color: #f7fbff; }
.attendance-row .category { font-size: 0.75rem; color: var(--text-light); }
.attendance-toggle {
  display: flex;
  gap: 8px;
}
.attendance-toggle button {
  padding: 8px 14px;
  border-radius: 10px;
  border: 2px solid var(--border);
  background: rgba(255,255,255,0.96);
  color: #16233b;
  font-weight: 600;
  cursor: pointer;
  min-width: 65px;
  font-size: 0.85rem;
}
.attendance-toggle button.present {
  background: var(--success);
  color: white;
  border-color: var(--success);
}
.attendance-toggle button.absent {
  background: var(--danger);
  color: white;
  border-color: var(--danger);
}
.payment-card {
  background: var(--card);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.payment-amount { font-size: 1.2rem; font-weight: 700; color: var(--accent-bright); }
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}
.stat-box {
  background: var(--card);
  border-radius: 18px;
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  backdrop-filter: blur(16px);
}
.stat-box .number {
  font-size: clamp(1.75rem, 6vw, 2.25rem);
  font-weight: 800;
  color: var(--accent-bright);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-box .label {
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 600;
}
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-light);
}
.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 12px;
  opacity: 0.5;
}
.modal {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  padding: 20px;
  align-items: center;
  justify-content: center;
}
.modal.active { display: flex; }
.modal-content {
  background: rgba(11, 24, 45, 0.92);
  border-radius: 20px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 20px;
  animation: slideUp 0.25s ease;
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(18px);
}
@keyframes slideUp { from { transform: translateY(30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.modal-header h2 { color: #f7fbff; font-size: 1.25rem; }
.close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--accent-soft);
  cursor: pointer;
}
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(5, 13, 26, 0.94);
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  padding: 8px 8px calc(8px + var(--safe-bottom));
  box-shadow: 0 -8px 40px rgba(0,0,0,0.4);
  z-index: 100;
  border-top: 1px solid rgba(255,255,255,0.07);
  backdrop-filter: blur(24px) saturate(1.3);
  -webkit-backdrop-filter: blur(24px) saturate(1.3);
  gap: 4px;
}
.nav-item {
  flex: 1;
  text-align: center;
  padding: 8px 4px;
  cursor: pointer;
  color: var(--text-light);
  transition: color 180ms var(--ease-out), transform 180ms var(--ease-out), background-color 180ms var(--ease-out);
  border-radius: 14px;
  min-height: 52px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  -webkit-user-select: none;
  user-select: none;
}
.nav-item:active { transform: scale(0.94); }
.nav-item.active {
  color: var(--accent-bright);
  background: rgba(255, 140, 0, 0.12);
}
.nav-item .icon { font-size: 1.35rem; display: block; margin-bottom: 3px; line-height: 1; }
.nav-item .label { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.2px; }
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}
.badge-success { background: #d4edda; color: #155724; }
.badge-danger { background: #f8d7da; color: #721c24; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-info { background: #d1ecf1; color: #0c5460; }
.badge-dark { background: #e2e3e5; color: #383d41; }
.hidden { display: none !important; }
.detail-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.detail-row:last-child { border-bottom: none; }
.detail-label { font-weight: 600; color: var(--text-light); }
.detail-value { color: #f7fbff; font-weight: 500; }
.export-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}
.toast {
  position: fixed;
  bottom: calc(var(--nav-height) + var(--safe-bottom) + 16px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(8, 17, 30, 0.96);
  color: white;
  padding: 14px 22px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 300;
  display: none;
  animation: fadeIn 0.3s ease;
  border: 1px solid rgba(255,140,0,0.25);
  box-shadow: var(--shadow-md);
  max-width: calc(100% - 32px);
  text-align: center;
}
.birthday-alert {
  position: fixed;
  top: 78px;
  left: 16px;
  right: 16px;
  z-index: 250;
  display: none;
  background: linear-gradient(135deg, #fff7cc 0%, #ffe08a 100%);
  color: #5a4300;
  border: 1px solid #f1c24b;
  border-radius: 16px;
  box-shadow: 0 10px 28px rgba(0,0,0,0.14);
  padding: 14px 16px;
  animation: fadeIn 0.3s ease;
  cursor: pointer;
}
.birthday-alert.active { display: block; }
.birthday-alert-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.birthday-alert-text {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.35;
  white-space: pre-line;
}
.birthday-alert-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.birthday-alert-name {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(90, 67, 0, 0.18);
  background: rgba(255, 255, 255, 0.5);
  color: #5a4300;
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
}
.birthday-alert-name:active { transform: scale(0.98); }
.birthday-alert-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.birthday-alert .btn {
  white-space: nowrap;
}
.birthday-alert-close {
  background: transparent;
  border: none;
  color: #5a4300;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
}
.risk-alert {
  position: fixed;
  top: 78px;
  left: 16px;
  right: 16px;
  z-index: 249;
  display: none;
  background: linear-gradient(135deg, #fff0d6 0%, #ffd48a 100%);
  color: #6a3a00;
  border: 1px solid #efb35c;
  border-radius: 16px;
  box-shadow: 0 10px 28px rgba(0,0,0,0.14);
  padding: 14px 16px;
  animation: fadeIn 0.3s ease;
}
.risk-alert.active { display: block; }
.storage-warning {
  background: linear-gradient(135deg, #241601 0%, #3d2500 100%);
  color: #ffd18a;
  padding: 10px 16px;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 209, 138, 0.2);
}
.filter-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.filter-bar select {
  flex: 1;
  min-width: 120px;
  padding: 10px;
  border-radius: 10px;
  border: 2px solid var(--border);
  font-size: 0.9rem;
  background: rgba(255,255,255,0.96);
  color: #16233b;
}
.progress-bar {
  width: 100%;
  height: 8px;
  background: #e9ecef;
  border-radius: 4px;
  overflow: hidden;
  margin-top: 6px;
}
.progress-fill {
  height: 100%;
  background: var(--success);
  border-radius: 4px;
  transition: width 0.3s;
}
.progress-fill.warning { background: var(--warning); }
.progress-fill.danger { background: var(--danger); }
.recent-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.recent-item:last-child { border-bottom: none; }

/* ========== LOGIN SCREEN ========== */
.login-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 90% 60% at 50% 0%, rgba(255, 140, 0, 0.22), transparent 55%),
    radial-gradient(circle at 15% 80%, rgba(56, 189, 248, 0.1), transparent 40%),
    linear-gradient(165deg, #020508 0%, #050d1a 45%, #030810 100%);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(20px, env(safe-area-inset-top)) 20px max(20px, env(safe-area-inset-bottom));
  animation: fadeIn 0.3s ease;
  overflow-y: auto;
}
.login-overlay.hidden { display: none; }
.login-card {
  background: rgba(10, 22, 40, 0.94);
  border-radius: 32px;
  padding: clamp(28px, 6vw, 40px) clamp(24px, 5vw, 32px);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.45s var(--ease-out);
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(28px) saturate(1.2);
  -webkit-backdrop-filter: blur(28px) saturate(1.2);
  position: relative;
}
.login-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(145deg, rgba(255,255,255,0.18), rgba(255,140,0,0.25), rgba(255,255,255,0.04));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 24px;
}
.login-logo-wrap {
  position: relative;
  margin-bottom: 18px;
}
.login-logo-wrap::before {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  animation: logoPulse 3s ease-in-out infinite;
}
@keyframes logoPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}
.login-logo {
  width: var(--logo-login);
  height: var(--logo-login);
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(255,255,255,0.14), rgba(255,255,255,0.04));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  box-shadow: var(--shadow-accent), 0 0 0 10px rgba(255,140,0,0.08);
  border: 2px solid rgba(255, 140, 0, 0.4);
  overflow: hidden;
  position: relative;
  z-index: 1;
}
.login-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.login-card h1 {
  text-align: center;
  color: #f7fbff;
  font-size: clamp(1.35rem, 5vw, 1.65rem);
  font-weight: 800;
  letter-spacing: 1.5px;
  margin-bottom: 6px;
  text-transform: uppercase;
  background: linear-gradient(135deg, #fff 20%, var(--accent-soft) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.login-card p.sub {
  text-align: center;
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 0;
}
.login-tabs {
  display: flex;
  background: rgba(255,255,255,0.04);
  border-radius: 16px;
  padding: 5px;
  margin: 22px 0 20px;
  border: 1px solid rgba(255,255,255,0.07);
}
.login-tab {
  flex: 1;
  padding: 12px 8px;
  border: none;
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  background: transparent;
  color: var(--text-light);
  transition: transform 160ms var(--ease-out), background-color 160ms var(--ease-out), color 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
  min-height: 44px;
}
.login-tab.active {
  background: linear-gradient(135deg, var(--accent-bright), var(--accent));
  color: #1a0f00;
  box-shadow: var(--shadow-accent);
}
.login-tab:active { transform: scale(0.97); }
.login-form .form-group { margin-bottom: 16px; }
.login-form .form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.login-form .form-group input {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  font-size: 1.05rem;
  min-height: 50px;
  transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
  background: rgba(255,255,255,0.97);
  color: #16233b;
}
.login-form .form-group input::placeholder {
  color: #8a95a8;
}
.login-form .form-group input:focus {
  outline: none;
  border-color: var(--accent);
  background: white;
  box-shadow: 0 0 0 4px var(--accent-glow);
}
.login-form .btn { margin-top: 4px; }
.login-error {
  color: var(--danger);
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  margin-top: 10px;
  display: none;
}
.login-error.active { display: block; }
.login-loading {
  display: none;
  text-align: center;
  padding: 10px;
}
.login-loading.active { display: block; }
.login-loading .spinner {
  width: 28px;
  height: 28px;
  border: 3px solid rgba(255,255,255,0.12);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.login-card .footer-text {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 18px;
}

/* ========== ATHLETE VIEW ========== */
.athlete-home-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.athlete-avatar {
  width: clamp(64px, 16vw, 72px);
  height: clamp(64px, 16vw, 72px);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #1a0f00;
  flex-shrink: 0;
  box-shadow: var(--shadow-accent);
  border: 2px solid rgba(255,255,255,0.15);
}
.athlete-home-header h2 {
  font-size: clamp(1.1rem, 4vw, 1.3rem);
  color: #f7fbff;
  margin-bottom: 2px;
}
.athlete-home-header p {
  font-size: 0.85rem;
  color: var(--text-light);
}
.athlete-stat-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}
.athlete-stat-item {
  flex: 1;
  background: var(--card);
  border-radius: 14px;
  padding: 14px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(16px);
}
.athlete-stat-item .num {
  font-size: clamp(1.4rem, 5vw, 1.75rem);
  font-weight: 800;
  color: var(--accent-bright);
  line-height: 1.1;
}
.athlete-stat-item .lbl {
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 600;
}
.athlete-attendance-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: var(--card);
  border-radius: 12px;
  margin-bottom: 8px;
  border-left: 4px solid var(--success);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}
.athlete-attendance-item.absent {
  border-left-color: var(--danger);
}
.athlete-payment-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: var(--card);
  border-radius: 12px;
  margin-bottom: 8px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}
.logout-btn {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  padding: 8px 14px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 36px;
  transition: transform 160ms var(--ease-out), background-color 160ms var(--ease-out);
}
.logout-btn:active { transform: scale(0.95); background: rgba(239, 68, 68, 0.2); }
.header-session { display: flex; align-items: center; gap: 8px; }
.header-session .role-badge,
.role-badge {
  background: rgba(255, 140, 0, 0.15);
  color: var(--accent-bright);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border: 1px solid rgba(255, 140, 0, 0.25);
}

/* ========== SETUP / CONFIG SCREEN ========== */
.setup-overlay {
  position: fixed;
  inset: 0;
  z-index: 499;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg);
}
.setup-overlay.active { display: flex; }
.setup-card {
  max-width: 400px;
  text-align: center;
  padding: 32px 24px;
  background: var(--card);
  border-radius: 24px;
  border: 1px solid var(--border);
}
.setup-card h2 { margin-bottom: 12px; font-size: 1.2rem; }
.setup-card p { color: var(--text-light); font-size: 0.9rem; line-height: 1.5; margin-bottom: 16px; }
.setup-card code {
  display: block;
  background: rgba(0,0,0,0.3);
  padding: 12px;
  border-radius: 10px;
  font-size: 0.8rem;
  word-break: break-all;
  color: var(--accent-soft);
}

/* ========== RESPONSIVE ========== */
@media (min-width: 520px) {
  :root {
    --logo-size: 100px;
    --logo-login: 150px;
  }
  .header-content {
    flex-direction: row;
    text-align: left;
    gap: 18px;
  }
  .header-text { text-align: left; }
  .header-subtitle-row { justify-content: flex-start; }
  .header-top-actions { position: absolute; top: 0; right: 0; width: auto; }
  .container { max-width: 560px; padding: 18px 20px; }
  .stat-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 380px) {
  .row-2, .row-3 { grid-template-columns: 1fr; }
  .export-buttons { grid-template-columns: 1fr; }
  .nav-item .label { font-size: 0.6rem; }
}

/* ── Attendance summary cards ── */
.att-summary-card {
  border-radius: 12px;
  padding: 10px 8px;
  text-align: center;
  border: 1px solid var(--border);
}
.att-card-present { background: rgba(46,204,113,0.12); border-color: rgba(46,204,113,0.3); }
.att-card-absent  { background: rgba(231,76,60,0.12);  border-color: rgba(231,76,60,0.3);  }
.att-card-pending { background: rgba(243,156,18,0.12); border-color: rgba(243,156,18,0.3); }
.att-card-num { font-size: 1.6rem; font-weight: 800; line-height: 1; }
.att-card-lbl { font-size: 0.72rem; opacity: 0.8; margin-top: 2px; }

/* ── Circular attendance toggle buttons ── */
.att-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: rgba(255,255,255,0.08);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.15s;
  display: flex; align-items: center; justify-content: center;
  color: var(--text);
}
.att-btn:hover { transform: scale(1.12); }
.att-btn.present { background: rgba(46,204,113,0.25); border-color: var(--success); box-shadow: 0 0 0 3px rgba(46,204,113,0.2); }
.att-btn.absent  { background: rgba(231,76,60,0.22);  border-color: var(--danger);  box-shadow: 0 0 0 3px rgba(231,76,60,0.2); }

/* ── Report tabs ── */
.report-tab {
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  background: none;
  color: var(--text-light);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
}
.report-tab-active { color: var(--accent); border-bottom-color: var(--accent) !important; }
.report-day-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 10px;
}
.report-day-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:8px; }
.report-day-title  { font-weight:700; font-size:0.95rem; }
.report-day-rate   { font-size:0.82rem; color:var(--text-light); }
.report-day-lists  { display:grid; grid-template-columns:1fr 1fr; gap:8px; font-size:0.82rem; }
.report-day-present { color: #6ee7a8; }
.report-day-absent  { color: #ff8080; }
.report-athlete-row {
  display:grid;
  grid-template-columns: 1fr 56px 48px 48px 56px;
  gap:6px; align-items:center;
  padding:8px 4px;
  border-bottom:1px solid var(--border);
  font-size:0.83rem;
}
.report-athlete-row.header {
  font-weight:700; font-size:0.75rem; text-transform:uppercase;
  letter-spacing:0.4px; color:var(--text-light); padding-bottom:6px;
}
@media print {
  .modal { position:static !important; background:none !important; }
  .modal-content { box-shadow:none !important; border:none !important; }
  .close-btn,.btn,.report-tab,select,input[type="date"] { display:none !important; }
  body { background:white !important; color:#000 !important; }
  .report-day-card { border:1px solid #ccc !important; background:#f8f8f8 !important; }
  .report-day-present { color:#27ae60 !important; }
  .report-day-absent  { color:#c0392b !important; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Self-Registration ── */
.register-link {
  text-align: center;
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--text-light);
}
.register-link a {
  color: var(--accent);
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}
.register-form {
  display: none;
  animation: fadeIn 0.25s var(--ease-out);
}
.register-form.active { display: block; }
.register-success {
  padding: 14px;
  background: rgba(46,204,113,0.10);
  border: 1px solid rgba(46,204,113,0.35);
  border-left: 4px solid var(--success);
  border-radius: 14px;
  color: #eafff3;
  font-size: 0.88rem;
  line-height: 1.6;
}
.register-success strong { color: #6ee7a8; }

/* ── Reg PIN Admin Box ── */
.reg-pin-box {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.reg-pin-display {
  font-family: monospace;
  font-size: 1.6rem;
  letter-spacing: 6px;
  font-weight: 800;
  color: var(--accent);
  flex: 1;
  min-width: 120px;
}
.reg-pin-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-light);
  margin-bottom: 4px;
}

/* ── Athlete card quick actions (Edit / Toggle / Delete) ── */
.athlete-card { position: relative; overflow: hidden; }
.athlete-card-main { display: flex; flex-direction: column; gap: 0; }
.card-quick-actions {
  display: flex;
  gap: 6px;
  padding: 8px 14px 10px;
  background: rgba(0,0,0,0.18);
  border-top: 1px solid var(--border);
}
.card-quick-actions .btn { flex: 1; font-size: 0.78rem; padding: 7px 4px; }

/* ── Detail modal action buttons ── */
.detail-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 16px;
}
.detail-actions .btn { justify-content: center; }
.btn-danger-outline {
  background: rgba(231,76,60,0.12);
  border: 2px solid var(--danger);
  color: var(--danger);
  font-weight: 700;
}
.btn-toggle-active { background: rgba(46,204,113,0.15); border: 2px solid var(--success); color: #6ee7a8; font-weight:700; }
.btn-toggle-inactive { background: rgba(149,165,166,0.15); border: 2px solid #95a5a6; color: #bdc3c7; font-weight:700; }

/* ── Mobile scroll & overscroll ── */
.modal-content { overscroll-behavior: contain; }
.modal { overscroll-behavior: contain; }


/* ── Athlete photo upload preview ── */
#athletePhotoPreview {
  transition: border-color 0.2s, box-shadow 0.2s;
}
#athletePhotoPreview:hover {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 4px var(--accent-glow);
}