:root {
  --bg: #07111f;
  --bg-soft: #0f1d2e;
  --panel: rgba(12, 20, 32, 0.88);
  --panel-strong: rgba(15, 23, 38, 1);
  --panel-alt: rgba(18, 31, 47, 1);
  --text: #eaf2ff;
  --text-soft: #b8c5dd;
  --muted: #8fa6c7;
  --primary: #67a0ff;
  --primary-soft: rgba(103, 160, 255, 0.14);
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --border: rgba(148, 163, 184, 0.2);
  --shadow: 0 22px 56px rgba(2, 6, 23, 0.42);
}

body.light-theme {
  --bg: #edf4ff;
  --bg-soft: #f8faff;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-strong: rgba(255, 255, 255, 1);
  --panel-alt: #eef4ff;
  --text: #101828;
  --text-soft: #52607a;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-soft: rgba(37, 99, 235, 0.12);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --border: rgba(148, 163, 184, 0.28);
  --shadow: 0 18px 48px rgba(15, 23, 42, 0.12);
}

body.dark-theme {
  --bg: #07111f;
  --bg-soft: #0f1d2e;
  --panel: rgba(12, 20, 32, 0.88);
  --panel-strong: rgba(15, 23, 38, 1);
  --panel-alt: rgba(18, 31, 47, 1);
  --text: #eaf2ff;
  --text-soft: #b8c5dd;
  --muted: #8fa6c7;
  --primary: #67a0ff;
  --primary-soft: rgba(103, 160, 255, 0.14);
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --border: rgba(148, 163, 184, 0.2);
  --shadow: 0 22px 56px rgba(2, 6, 23, 0.42);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Inter", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 30%),
    radial-gradient(circle at bottom right, rgba(16, 185, 129, 0.08), transparent 30%),
    var(--bg);
  color: var(--text);
  transition: background 0.2s ease, color 0.2s ease;
}

body {
  font-weight: 500;
}

.app-shell {
  max-width: 1500px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-shell-wide {
  max-width: 100%;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
}

.glass-panel,
.dashboard-card,
.auth-card,
.stat-tile,
.product-card,
.list-group-item,
.table,
.form-control,
.form-select,
.btn,
.badge,
.feature-card,
.landing-panel,
.feature-stat {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.navbar.glass-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 0.9rem 1.1rem;
  box-shadow: var(--shadow);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: white;
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.35);
}

.brand-home-btn {
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0;
}

.brand-title {
  font-weight: 800;
  letter-spacing: -0.04em;
  text-align: left;
}

.brand-subtitle {
  color: var(--text-soft);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Shared collapsible header navigation */
.app-navbar {
  border-radius: 1.25rem;
}

.app-navbar .navbar-brand {
  color: var(--text);
  margin-right: 0;
}

.app-navbar .navbar-toggler {
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 0.75rem;
  padding: 0.4rem 0.6rem;
}

.app-navbar .navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(103, 160, 255, 0.25);
}

.app-navbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28234, 242, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.app-navbar .btn {
  border-radius: 0.75rem;
  font-weight: 600;
}

.app-navbar .btn-outline-primary {
  --bs-btn-color: var(--primary);
  --bs-btn-border-color: rgba(148, 163, 184, 0.35);
  --bs-btn-hover-bg: rgba(103, 160, 255, 0.14);
  --bs-btn-hover-border-color: var(--primary);
  --bs-btn-hover-color: #ffffff;
  --bs-btn-active-bg: rgba(103, 160, 255, 0.2);
  --bs-btn-active-border-color: var(--primary);
  --bs-btn-active-color: #ffffff;
  --bs-btn-focus-shadow-rgb: 103, 160, 255;
}

.app-navbar .btn.app-nav-link.active {
  color: #ffffff;
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  border-color: transparent;
}

@media (max-width: 991.98px) {
  .app-navbar .navbar-collapse {
    padding-top: 0.75rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--border);
  }

  .app-navbar .nav-item {
    padding: 0.15rem 0;
  }

  .app-navbar .navbar-collapse .btn {
    width: 100%;
  }
}

.landing-shell {
  width: 100%;
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 0 2rem;
}

.hero-row {
  min-height: 420px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.landing-kicker {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 800;
  margin-bottom: 1rem;
}

.landing-shell h1 {
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  line-height: 0.96;
  letter-spacing: -0.08em;
  margin: 0 auto 1rem auto;
  max-width: 620px;
  text-align: center;
}

.landing-copy {
  color: var(--text-soft);
  font-size: 1.06rem;
  max-width: 560px;
  margin: 0 auto 1.5rem auto;
  text-align: center;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}

.feature-stat {
  padding: 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
}

.feature-stat span {
  display: block;
  color: var(--text-soft);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.feature-stat strong {
  display: block;
  margin-top: 0.3rem;
  font-size: 1.6rem;
  letter-spacing: -0.06em;
}

.landing-panel,
.feature-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
}

.panel-header h3 {
  letter-spacing: -0.04em;
}

.mini-scoreboard {
  display: grid;
  gap: 0.9rem;
}

.score-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.02);
}

.score-rank {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #1f2937;
}

.gold { background: linear-gradient(135deg, #facc15, #f59e0b); }
.silver { background: linear-gradient(135deg, #e5e7eb, #94a3b8); }
.bronze { background: linear-gradient(135deg, #fbbf24, #c084fc); }

.score-item strong,
.score-item small {
  display: block;
}

.score-item small {
  color: var(--text-soft);
}

.panel-callout {
  padding: 0.9rem 1rem;
  border-radius: 0.9rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(16, 185, 129, 0.08));
  color: var(--text-soft);
  font-size: 0.88rem;
}

.feature-card {
  padding: 1.3rem;
  height: 100%;
}

.feature-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(16, 185, 129, 0.12));
  border-radius: 1rem;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-soft);
  margin-bottom: 0;
}

.auth-shell {
  width: 100%;
  min-height: calc(100vh - 130px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.8));
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 1.75rem;
  box-shadow: 0 24px 60px rgba(2, 6, 23, 0.48);
}

.auth-form-panel {
  background: rgba(15, 23, 42, 0.38);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.auth-header {
  padding-top: 0.5rem;
}

.auth-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.06em;
  color: var(--text);
}

.auth-subtitle {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.96rem;
}

.auth-side-panel {
  display: none;
}

.eyebrow,
.section-overline {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 700;
}

.auth-side-panel h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.06em;
  margin-bottom: 1rem;
}

.auth-side-panel p {
  color: var(--text-soft);
  max-width: 26rem;
}

.mini-metrics {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.mini-metric {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  padding: 1rem;
}

.mini-metric span {
  display: block;
  color: var(--text-soft);
  font-size: 0.75rem;
  margin-bottom: 0.25rem;
}

.dashboard-card {
  background: rgba(12, 19, 30, 0.96);
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
  color: var(--text);
}

.dashboard-card .card-body,
.dashboard-card .table-responsive,
.dashboard-card .table,
.dashboard-card .list-group,
.dashboard-card .section-header,
.dashboard-card h3,
.dashboard-card h4,
.dashboard-card h5 {
  color: var(--text);
}

.table,
.table thead th,
.table tbody td,
.list-group-item,
.leaderboard-person strong,
.leaderboard-person small,
.text-muted,
.small.text-muted,
.section-overline {
  color: var(--text) !important;
}

.stat-tile {
  border-radius: 1.2rem;
  padding: 1.25rem 1.1rem;
  border: 1px solid var(--border);
}

.stat-primary {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.18), rgba(14, 165, 233, 0.08));
}

.stat-secondary {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.18), rgba(6, 95, 70, 0.08));
}

.stat-label {
  color: var(--text-soft);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat-value {
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.07em;
  margin: 0.5rem 0 0.15rem;
  color: var(--text);
  text-shadow: 0 0 24px rgba(37, 99, 235, 0.25);
}

.stat-trend {
  color: var(--text-soft);
  font-size: 0.8rem;
}

#leaderboardList {
  max-height: 360px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

#leaderboardList::-webkit-scrollbar {
  width: 8px;
}

#leaderboardList::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.45);
  border-radius: 999px;
}

.leaderboard-toggle .btn {
  border-radius: 0.55rem;
  font-weight: 600;
  border-color: rgba(148, 163, 184, 0.35);
}

.leaderboard-toggle .btn-outline-primary {
  --bs-btn-color: var(--primary);
  --bs-btn-border-color: rgba(148, 163, 184, 0.35);
  --bs-btn-hover-bg: rgba(103, 160, 255, 0.14);
  --bs-btn-hover-border-color: var(--primary);
  --bs-btn-hover-color: #ffffff;
  --bs-btn-active-bg: rgba(103, 160, 255, 0.2);
  --bs-btn-active-border-color: var(--primary);
  --bs-btn-active-color: #ffffff;
}

.leaderboard-card .list-group-item {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border);
  padding: 0.8rem 0;
}

.leaderboard-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.leaderboard-rank {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.8rem;
}

.podium-gold {
  background: linear-gradient(135deg, #facc15, #f59e0b);
  color: #1f2937;
}

.podium-silver {
  background: linear-gradient(135deg, #e5e7eb, #94a3b8);
  color: #0f172a;
}

.podium-bronze {
  background: linear-gradient(135deg, #fbbf24, #c084fc);
  color: #1f2937;
}

.leaderboard-person {
  flex: 1;
}

.leaderboard-person strong {
  display: block;
  font-size: 0.95rem;
}

.leaderboard-person small {
  color: var(--text-soft);
}

.leaderboard-card .badge,
.badge.bg-primary,
.badge.bg-light,
.badge.bg-primary-subtle {
  color: #f8fbff !important;
  background: rgba(96, 165, 250, 0.18) !important;
  border: 1px solid rgba(148, 163, 184, 0.24);
}

.product-card {
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 1rem;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
}

.product-image {
  height: 88px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.22), rgba(14, 165, 233, 0.08));
  display: grid;
  place-items: center;
  font-size: 2rem;
  color: var(--primary);
}

.product-body {
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
}

.product-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.product-description {
  color: var(--text-soft);
  font-size: 0.82rem;
  flex: 1 1 auto;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.product-meta .inventory-pill,
.product-meta .redeem-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.4rem 0.55rem;
  border-radius: 0.55rem;
  white-space: nowrap;
}

.product-meta .inventory-pill {
  background: rgba(103, 160, 255, 0.14);
  color: var(--primary);
  border: 1px solid rgba(103, 160, 255, 0.25);
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  border: 0;
}

.btn-success {
  background: linear-gradient(135deg, #10b981, #16a34a);
  border: 0;
}

.btn-warning {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  border: 0;
}

table {
  color: var(--text);
}

.table {
  background: rgba(12, 19, 30, 0.96);
  color: var(--text);
}

.table thead th {
  color: var(--text-soft);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  border-bottom-color: var(--border);
  background: rgba(15, 23, 38, 0.96);
}

.table tbody td,
.table tbody th,
.table td,
.table th {
  border-bottom-color: var(--border);
  color: var(--text);
  background: rgba(12, 19, 30, 0.96);
}

.table .text-muted,
.text-muted,
.small.text-muted {
  color: var(--text-soft) !important;
}

.form-control,
.form-select,
.form-control:focus,
.form-select:focus {
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: none;
}

.form-control:disabled,
.form-select:disabled {
  background: rgba(15, 23, 42, 0.7);
  color: var(--text-soft);
  opacity: 1;
}

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

.form-label {
  color: var(--text-soft);
  font-weight: 600;
}

#appShell .card,
#appShell .dashboard-card,
#appShell .table,
#appShell .list-group-item,
#appShell .stat-tile,
#appShell .product-card {
  background-color: rgba(12, 19, 30, 0.96);
  color: var(--text);
}

#appShell .table thead th,
#appShell .table tbody td,
#appShell .leaderboard-person small,
#appShell .product-description,
#appShell .stat-trend,
#appShell .text-muted,
#appShell .small.text-muted {
  color: var(--text-soft) !important;
}

#appShell .badge {
  color: var(--text) !important;
}

#customTaskInput {
  background: rgba(15, 23, 42, 0.82) !important;
  color: var(--text) !important;
}

#globalOrdersTableBody td,
#inventoryTableBody td,
#transactionTableBody td,
#myOrdersTableBody td {
  background: rgba(12, 19, 30, 0.96) !important;
  color: var(--text) !important;
}

#globalOrdersTableBody tr,
#inventoryTableBody tr,
#transactionTableBody tr,
#myOrdersTableBody tr {
  background: rgba(12, 19, 30, 0.96);
}

#adminPanelView .table-responsive {
  max-height: 420px;
  overflow-y: auto;
}

#adminPanelView .table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: rgba(15, 23, 38, 0.96);
}

.config-block .section-header {
  margin-bottom: 1rem;
}

.config-block .section-header h4 {
  margin-bottom: 0.25rem;
}

.config-divider {
  border: 0;
  border-top: 1px solid rgba(148, 163, 184, 0.22);
  opacity: 1;
  margin: 1.5rem 0;
}

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

.auth-tabs {
  gap: 0.65rem;
}

.auth-tabs .nav-link {
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  padding: 0.55rem 0.9rem;
  font-size: 0.86rem;
  font-weight: 600;
}

.auth-tabs .nav-link.active {
  color: #ffffff;
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  border-color: transparent;
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.28);
}

.btn-outline-secondary {
  color: var(--text);
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border);
}

#loginForm,
#signupForm {
  padding-top: 0.35rem;
}

#loginForm .form-control,
#signupForm .form-control,
#loginForm .form-select,
#signupForm .form-select {
  border-radius: 0.8rem;
  padding: 0.7rem 0.8rem;
  font-size: 0.92rem;
}

#loginForm .btn,
#signupForm .btn {
  padding: 0.7rem 1rem;
  font-size: 0.92rem;
  border-radius: 0.8rem;
}

.form-label {
  font-size: 0.82rem;
  margin-bottom: 0.45rem;
}

.alert-secondary {
  background: rgba(148, 163, 184, 0.12);
  color: var(--text-soft);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.eyebrow {
  color: var(--primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.7rem;
  font-weight: 800;
}

.badge {
  font-weight: 700;
}

.badge-fulfilled {
  background: rgba(16, 185, 129, 0.18);
  color: var(--success);
}

.badge-pending {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

#productGrid .col-md-6,
#productGrid .col-xl-4,
#productGrid .col-lg-4 {
  min-width: 0;
}

.modal-content {
  background: rgba(12, 19, 30, 0.96);
  border: 1px solid rgba(148, 163, 184, 0.22);
  color: var(--text);
}

.modal-header {
  background: rgba(15, 23, 38, 0.96);
  border-bottom: 1px solid rgba(148, 163, 184, 0.22);
}

.modal-title {
  color: var(--text);
}

.btn-close {
  filter: brightness(1.2);
}

.modal-body {
  background: rgba(12, 19, 30, 0.96);
}

.modal-footer {
  background: rgba(12, 19, 30, 0.96);
  border-top: 1px solid rgba(148, 163, 184, 0.22);
}

#changePasswordForm .form-control {
  background: rgba(15, 23, 42, 0.82);
  border: 1px solid rgba(148, 163, 184, 0.2);
  color: var(--text);
}

#changePasswordForm .form-control::placeholder {
  color: var(--muted);
}

#changePasswordForm .form-label {
  color: var(--text-soft);
}

@media (max-width: 767.98px) {
  .landing-shell h1 {
    font-size: 2.6rem;
  }

  .auth-side-panel {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .auth-card {
    border-radius: 1.2rem;
  }

  .navbar .container-fluid {
    flex-wrap: wrap;
    gap: 0.75rem;
  }
}