:root {
  --bingo-bg: #f2f5f9;
  --bingo-ink: #111827;
  --bingo-muted: #647084;
  --bingo-line: #dce4ef;
  --bingo-card: #ffffff;
  --bingo-red: #d83a35;
  --bingo-teal: #008f8c;
  --bingo-blue: #3159b7;
  --bingo-yellow: #f2b230;
  --bingo-green: #247d4f;
  --bingo-gold: #f6c85f;
  --bingo-shadow: 0 18px 55px rgba(17, 24, 39, 0.12);
}

body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--bingo-ink);
  background:
    radial-gradient(circle at top left, rgba(0,143,140,0.10), transparent 32%),
    radial-gradient(circle at bottom right, rgba(216,58,53,0.09), transparent 28%),
    var(--bingo-bg);
}

.bingo-login-page {
  min-height: 100vh;
  margin: 0;
  background: #101722;
}

.bingo-login-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
}

.bingo-login-visual {
  position: relative;
  min-height: 100vh;
  padding: 48px;
  display: flex;
  align-items: end;
  background:
    linear-gradient(90deg, rgba(11, 16, 24, 0.18), rgba(11, 16, 24, 0.74)),
    url("../images/login-bingo-bg.png") left center / cover no-repeat;
}

.bingo-login-copy {
  max-width: 620px;
  color: #fff;
}

.app-pill {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,0.24);
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  font-size: 13px;
  font-weight: 700;
}

.bingo-login-copy h1 {
  margin: 22px 0 10px;
  font: 800 68px/0.95 Poppins, Inter, sans-serif;
  letter-spacing: 0;
}

.bingo-login-copy p {
  margin: 0;
  max-width: 520px;
  color: rgba(255,255,255,0.82);
  font-size: 18px;
  line-height: 1.55;
}

.bingo-login-panel {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: #f7f9fc;
}

.login-card {
  width: 100%;
  max-width: 430px;
  padding: 34px;
  border: 1px solid var(--bingo-line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--bingo-shadow);
}

.login-kicker {
  color: var(--bingo-teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

.login-heading h2 {
  margin: 6px 0;
  font: 700 30px/1.15 Poppins, Inter, sans-serif;
}

.login-heading p,
.login-footnote {
  color: var(--bingo-muted);
}

.btn-bingo {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  color: #fff;
  background: linear-gradient(135deg, #e54b45, #b8202f);
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(216,58,53,0.22);
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}

.btn-bingo:hover,
.btn-bingo:focus {
  color: #fff;
  background: linear-gradient(135deg, #d83a35, #9f1e2b);
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(216,58,53,0.28);
}

.login-footnote {
  margin-top: 18px;
  font-size: 13px;
}

.mobile-menu-toggle,
.mobile-menu-backdrop {
  display: none;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 272px minmax(0, 1fr);
}

.app-sidebar {
  position: sticky;
  top: 0;
  min-height: 100vh;
  padding: 22px 16px;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), transparent 30%),
    #111827;
  box-shadow: 12px 0 40px rgba(17,24,39,0.12);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px 24px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(from 140deg, var(--bingo-red), var(--bingo-yellow), var(--bingo-teal), var(--bingo-red));
  color: #fff;
  font: 800 18px/1 Poppins, Inter, sans-serif;
}

.brand-lockup strong {
  display: block;
  font: 800 18px/1.1 Poppins, Inter, sans-serif;
}

.brand-lockup small {
  color: rgba(255,255,255,0.62);
}

.nav-stack {
  display: grid;
  gap: 4px;
}

.nav-stack a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 9px 11px;
  border-radius: 8px;
  color: rgba(255,255,255,0.78);
  text-decoration: none;
  font-weight: 700;
  transition: background .16s ease, color .16s ease, transform .16s ease;
}

.nav-stack a.active,
.nav-stack a:hover {
  color: #fff;
  background: rgba(255,255,255,0.13);
  transform: translateX(2px);
}

.app-main {
  min-width: 0;
  padding: 24px;
}

.app-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.page-title h1 {
  margin: 0;
  font: 800 28px/1.15 Poppins, Inter, sans-serif;
}

.page-title p {
  margin: 4px 0 0;
  color: var(--bingo-muted);
}

.panel {
  border: 1px solid var(--bingo-line);
  border-radius: 8px;
  background: var(--bingo-card);
  box-shadow: 0 14px 36px rgba(17,24,39,0.07);
  overflow: hidden;
}

.panel-body {
  padding: 18px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric-card {
  padding: 17px;
  border: 1px solid var(--bingo-line);
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, #f9fbff);
  box-shadow: 0 10px 28px rgba(17,24,39,0.06);
}

.metric-card span {
  color: var(--bingo-muted);
  font-size: 13px;
  font-weight: 700;
}

.metric-card strong {
  display: block;
  margin-top: 4px;
  font: 800 30px/1 Poppins, Inter, sans-serif;
}

.bingo-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(44px, 1fr));
  gap: 6px;
}

.bingo-cell,
.bingo-head {
  aspect-ratio: 1;
  min-width: 0;
  display: grid;
  place-items: center;
  border-radius: 8px;
  font-weight: 800;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

.bingo-head {
  aspect-ratio: auto;
  min-height: 36px;
  color: #fff;
  background: #172033;
}

.bingo-cell {
  border: 1px solid var(--bingo-line);
  background: #f8fafc;
}

.bingo-cell.marked {
  color: #fff;
  background: linear-gradient(135deg, var(--bingo-teal), #006f70);
  border-color: var(--bingo-teal);
}

.bingo-cell.winning-cell {
  color: #111827;
  background: linear-gradient(135deg, #ffe08a, #f6b73c);
  border-color: #e3a11f;
  box-shadow: 0 0 0 3px rgba(246,200,95,0.34), 0 10px 26px rgba(246,183,60,0.28);
  transform: scale(1.05);
  animation: winningPulse 1.1s ease-in-out infinite;
}

.bingo-cell.free {
  color: #fff;
  background: var(--bingo-yellow);
  border-color: var(--bingo-yellow);
  font-size: 12px;
}

.card-mini {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--bingo-line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(17,24,39,0.06);
  position: relative;
}

.card-mini.winner-card {
  border-color: rgba(246,183,60,0.9);
  box-shadow: 0 0 0 2px rgba(246,183,60,0.24), 0 22px 50px rgba(216,58,53,0.16);
  animation: winnerLift .9s ease both;
}

.game-page {
  display: grid;
  gap: 18px;
}

.game-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px auto;
  gap: 16px;
  align-items: stretch;
  padding: 20px;
  border: 1px solid rgba(255,255,255,0.72);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(17,24,39,0.98), rgba(22,38,64,0.95)),
    linear-gradient(135deg, rgba(216,58,53,0.18), rgba(0,143,140,0.16));
  color: #fff;
  box-shadow: 0 22px 56px rgba(17,24,39,0.18);
  overflow: hidden;
}

.game-hero-copy h2 {
  margin: 10px 0 6px;
  font: 800 30px/1.08 Poppins, Inter, sans-serif;
}

.game-hero-copy p {
  margin: 0;
  color: rgba(255,255,255,0.72);
}

.last-ball-card {
  display: grid;
  place-items: center;
  min-height: 136px;
  padding: 16px;
  border: 1px solid rgba(246,200,95,0.42);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(246,200,95,0.22), rgba(255,255,255,0.08));
}

.last-ball-card span {
  color: rgba(255,255,255,0.72);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.last-ball-card strong {
  color: #ffe08a;
  font: 800 52px/1 Poppins, Inter, sans-serif;
  letter-spacing: 0;
}

.game-stats {
  display: grid;
  align-content: center;
  gap: 8px;
  min-width: 150px;
}

.game-layout {
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.game-control-stack,
.game-board-stack {
  display: grid;
  gap: 14px;
}

.game-control-panel {
  border-color: rgba(216,58,53,0.20);
}

.control-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.control-heading strong {
  font: 800 18px/1 Poppins, Inter, sans-serif;
}

.ball-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 122px;
  gap: 10px;
  margin-bottom: 10px;
}

.ball-entry input {
  min-height: 58px;
  font: 800 24px/1 Poppins, Inter, sans-serif;
  text-align: center;
}

.control-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.section-title {
  margin: 0 0 12px;
  font: 800 16px/1.15 Poppins, Inter, sans-serif;
}

.board-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.closed-game-panel {
  border-color: rgba(216,58,53,0.22);
  background: linear-gradient(135deg, #fff, #fff8f3);
}

.bingo-swal-popup {
  border-radius: 8px;
  padding: 0;
  overflow: hidden;
}

.bingo-swal-title {
  margin-top: 12px;
  font: 800 40px/1 Poppins, Inter, sans-serif;
  color: #b8202f;
  letter-spacing: 0;
}

.bingo-swal-content {
  display: grid;
  gap: 12px;
  text-align: left;
}

.bingo-swal-victory {
  padding: 16px;
  border: 1px solid rgba(246,183,60,0.62);
  border-radius: 8px;
  background: linear-gradient(135deg, #fff, #fff8e6);
  box-shadow: 0 12px 28px rgba(17,24,39,0.08);
}

.bingo-swal-card-number {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  color: #111827;
  background: linear-gradient(135deg, #ffe08a, #f6b73c);
  font-size: 12px;
  font-weight: 900;
}

.bingo-swal-victory h3 {
  margin: 10px 0 4px;
  font: 800 22px/1.15 Poppins, Inter, sans-serif;
  color: #111827;
}

.bingo-swal-victory p {
  margin: 0 0 10px;
  color: var(--bingo-muted);
}

.bingo-swal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0;
}

.bingo-swal-meta span {
  padding: 5px 9px;
  border-radius: 999px;
  color: #42506a;
  background: #eef2f7;
  font-size: 12px;
  font-weight: 800;
}

.bingo-swal-numbers {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.bingo-swal-numbers strong {
  min-width: 38px;
  min-height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--bingo-teal), #006f70);
  font-size: 14px;
}

.ball-board {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 7px;
}

.ball-chip {
  min-height: 42px;
  border: 1px solid var(--bingo-line);
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #fff;
  font-weight: 800;
}

.ball-chip.drawn {
  color: #fff;
  background: linear-gradient(135deg, var(--bingo-red), #a81f2e);
  border-color: var(--bingo-red);
}

.ball-chip.last-drawn {
  color: #111827;
  background: linear-gradient(135deg, #ffe08a, #f6b73c);
  border-color: #e3a11f;
  box-shadow: 0 0 0 4px rgba(246,200,95,0.26), 0 12px 28px rgba(246,183,60,0.32);
  transform: scale(1.08);
  animation: lastBallPulse 1.1s ease-in-out infinite;
}

.history-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.history-list span {
  padding: 6px 9px;
  border-radius: 999px;
  color: #fff;
  background: #172033;
  font-weight: 800;
  font-size: 12px;
}

.history-list span.last-history {
  color: #111827;
  background: linear-gradient(135deg, #ffe08a, #f6b73c);
  box-shadow: 0 8px 20px rgba(246,183,60,0.28);
}

.winner-alert {
  border-color: rgba(216,58,53,0.32);
  background:
    linear-gradient(135deg, rgba(255,245,244,0.98), rgba(255,249,232,0.98));
  animation: winnerGlow 1.2s ease both;
}

.victory-item {
  padding: 14px;
  margin-bottom: 10px;
  border: 1px solid rgba(246,183,60,0.6);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(17,24,39,0.08);
}

.cards-playing {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 9px;
  border-radius: 999px;
  background: #eef2f7;
  color: #42506a;
  font-size: 12px;
  font-weight: 800;
}

.status-active {
  color: #12623b;
  background: #dcfce7;
}

.status-inactive {
  color: #7f1d1d;
  background: #fee2e2;
}

.row-active {
  border-left: 4px solid var(--bingo-green);
}

.row-inactive {
  border-left: 4px solid #ef4444;
  opacity: .72;
}

.form-control:focus,
.form-select:focus {
  border-color: rgba(0,143,140,0.55);
  box-shadow: 0 0 0 .22rem rgba(0,143,140,0.12);
}

.card-number-input {
  min-height: 48px;
  border-radius: 8px;
}

.card-number-input.is-free-center {
  color: #9a6700;
  background: #fff7d6;
  border-color: #f0c94d;
}

.game-type-form {
  padding: 12px;
  border: 1px solid var(--bingo-line);
  border-radius: 8px;
  background: #f8fafc;
}

@keyframes winnerGlow {
  from { transform: translateY(-8px); box-shadow: 0 0 0 rgba(246,183,60,0); }
  to { transform: translateY(0); box-shadow: 0 18px 44px rgba(246,183,60,0.2); }
}

@keyframes winnerLift {
  0% { transform: scale(.98); }
  55% { transform: scale(1.025); }
  100% { transform: scale(1); }
}

@keyframes winningPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(246,200,95,0.28), 0 10px 26px rgba(246,183,60,0.24); }
  50% { box-shadow: 0 0 0 7px rgba(246,200,95,0.18), 0 14px 34px rgba(246,183,60,0.34); }
}

@keyframes lastBallPulse {
  0%, 100% { transform: scale(1.06); }
  50% { transform: scale(1.12); }
}

@media (max-width: 992px) {
  .bingo-login-shell,
  .app-shell {
    grid-template-columns: 1fr;
  }

  .game-layout {
    grid-template-columns: 1fr;
  }

  .bingo-login-visual {
    min-height: 330px;
  }

  .mobile-menu-toggle {
    position: fixed;
    top: 14px;
    left: 14px;
    z-index: 1060;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 50%;
    color: #fff;
    background: linear-gradient(135deg, #172033, #0b1220);
    box-shadow: 0 14px 34px rgba(17,24,39,0.28);
  }

  .mobile-menu-toggle i {
    font-size: 24px;
  }

  .mobile-menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1040;
    display: block;
    pointer-events: none;
    background: rgba(15,23,42,0);
    transition: background .2s ease;
  }

  body.menu-open .mobile-menu-backdrop {
    pointer-events: auto;
    background: rgba(15,23,42,0.46);
  }

  .app-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1050;
    width: min(86vw, 320px);
    min-height: 100vh;
    padding: 18px 16px;
    transform: translateX(-105%);
    transition: transform .24s ease;
    overflow-y: auto;
  }

  body.menu-open .app-sidebar {
    transform: translateX(0);
  }

  .brand-lockup {
    padding: 58px 10px 22px;
  }

  .nav-stack {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .nav-stack a {
    justify-content: flex-start;
    min-height: 48px;
    padding: 10px 12px;
    font-size: 14px;
  }

  .nav-stack a i {
    font-size: 18px;
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .app-topbar {
    align-items: flex-start;
    padding-left: 48px;
  }

  .game-hero {
    grid-template-columns: 1fr 190px;
  }

  .game-stats {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ball-board {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 576px) {
  .bingo-login-panel,
  .app-main {
    padding: 16px;
  }

  .bingo-login-visual {
    padding: 28px;
  }

  .bingo-login-copy h1 {
    font-size: 46px;
  }

  .login-card {
    padding: 24px;
  }

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

  .app-topbar {
    display: grid;
    gap: 10px;
    padding-left: 50px;
  }

  .app-topbar .text-end {
    text-align: left !important;
  }

  .page-title h1 {
    font-size: 24px;
  }

  .panel-body {
    padding: 14px;
  }

  .table-responsive table,
  .table-responsive thead,
  .table-responsive tbody,
  .table-responsive tr,
  .table-responsive th,
  .table-responsive td {
    white-space: nowrap;
  }

  .game-page,
  .game-layout,
  .game-control-stack,
  .game-board-stack {
    gap: 12px;
  }

  .game-hero {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .game-hero-copy h2 {
    font-size: 24px;
  }

  .last-ball-card {
    min-height: 112px;
  }

  .last-ball-card strong {
    font-size: 46px;
  }

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

  .ball-entry {
    grid-template-columns: 1fr;
  }

  .control-actions {
    grid-template-columns: 1fr;
  }

  .ball-board {
    grid-template-columns: repeat(3, 1fr);
  }

  .ball-chip {
    min-height: 38px;
    font-size: 13px;
  }

  .cards-playing {
    grid-template-columns: 1fr;
  }

  .bingo-grid {
    gap: 5px;
  }

  .bingo-cell,
  .bingo-head {
    border-radius: 7px;
    font-size: 13px;
  }
}