:root {
  --bg: #070b16;
  --bg-2: #0f1630;
  --panel: rgba(13, 19, 40, 0.72);
  --panel-border: rgba(159, 175, 255, 0.12);
  --text: #f1f5ff;
  --text-soft: #a8b3d9;
  --accent: #7c8cff;
  --accent-2: #47e5ff;
  --success: #38d39f;
  --danger: #ff6488;
  --warning: #ffc46b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(124, 140, 255, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(71, 229, 255, 0.12), transparent 24%),
    linear-gradient(160deg, #050811 0%, #091021 40%, #060913 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  position: relative;
  overflow-x: hidden;
}

.hidden {
  display: none !important;
}

.aurora {
  position: fixed;
  inset: auto;
  width: 38rem;
  height: 38rem;
  filter: blur(70px);
  opacity: 0.28;
  pointer-events: none;
  z-index: 0;
  animation: float 18s ease-in-out infinite;
}

.aurora-a {
  top: -6rem;
  left: -6rem;
  background: radial-gradient(circle, rgba(124, 140, 255, 0.9), transparent 70%);
}

.aurora-b {
  top: 12rem;
  right: -6rem;
  background: radial-gradient(circle, rgba(71, 229, 255, 0.8), transparent 70%);
  animation-delay: -6s;
}

.aurora-c {
  bottom: -10rem;
  left: 28%;
  background: radial-gradient(circle, rgba(255, 100, 136, 0.55), transparent 70%);
  animation-delay: -11s;
}

@keyframes float {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(1rem, -1rem, 0) scale(1.08); }
}

.glass-card,
.panel,
.ticket-card,
.login-card,
.meta-card,
.session-card,
.info-chip,
.ticket-bubble,
.admin-card,
.toast,
.stat-card,
.metric-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.login-screen {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.login-card {
  width: min(100%, 460px);
  padding: 2rem;
  border-radius: var(--radius-xl);
}

.brand-block h1 {
  margin: 0.4rem 0 0.6rem;
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.brand-block p,
.login-footer p,
.muted,
.panel p,
.ticket-card small,
.metric-card span,
.stat-card small,
.meta-card span,
.info-chip span,
.ticket-bubble time,
.admin-card small,
.ticket-detail-meta {
  color: var(--text-soft);
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  background: rgba(124, 140, 255, 0.14);
  color: #dbe2ff;
  border: 1px solid rgba(124, 140, 255, 0.24);
  font-size: 0.9rem;
}

.brand-badge.small {
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
}

.login-form,
.stack-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.6rem;
}

label {
  display: grid;
  gap: 0.55rem;
}

label span {
  font-size: 0.92rem;
  color: #d3dbff;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid rgba(167, 180, 255, 0.18);
  background: rgba(8, 12, 27, 0.62);
  color: var(--text);
  border-radius: 14px;
  padding: 0.95rem 1rem;
  font: inherit;
  resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: rgba(124, 140, 255, 0.58);
  box-shadow: 0 0 0 4px rgba(124, 140, 255, 0.14);
  transform: translateY(-1px);
}

.primary-btn,
.ghost-btn,
.danger-btn,
.nav-item,
.count-badge {
  border: none;
  cursor: pointer;
  font: inherit;
}

.primary-btn,
.ghost-btn,
.danger-btn {
  padding: 0.9rem 1.15rem;
  border-radius: 14px;
  transition: transform var(--transition), opacity var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.primary-btn:hover,
.ghost-btn:hover,
.danger-btn:hover,
.nav-item:hover,
.ticket-card:hover,
.admin-card:hover,
.tree-node:hover {
  transform: translateY(-2px);
}

.primary-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: 0 16px 40px rgba(71, 229, 255, 0.14);
}

.primary-btn.big-btn {
  padding-block: 1rem;
}

.ghost-btn {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.09);
}

.danger-btn {
  background: rgba(255, 100, 136, 0.14);
  color: #ffd5df;
  border: 1px solid rgba(255, 100, 136, 0.28);
}

.app-shell {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1.25rem;
}

.sidebar,
.topbar,
.panel {
  border-radius: var(--radius-xl);
}

.sidebar {
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  position: sticky;
  top: 1.25rem;
  height: calc(100vh - 2.5rem);
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.sidebar-header h2,
.topbar h1,
.panel h3,
.ticket-detail-head h3 {
  margin: 0.2rem 0 0;
}

.role-pill,
.count-badge,
.ticket-status,
.tag-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
}

.role-pill {
  background: rgba(56, 211, 159, 0.16);
  border: 1px solid rgba(56, 211, 159, 0.24);
  color: #bff7df;
}

.sidebar-nav {
  display: grid;
  gap: 0.75rem;
}

.nav-item {
  display: grid;
  gap: 0.2rem;
  padding: 1rem;
  border-radius: 18px;
  text-align: left;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.nav-item span {
  font-weight: 700;
}

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

.nav-item.active {
  background: linear-gradient(135deg, rgba(124, 140, 255, 0.22), rgba(71, 229, 255, 0.14));
  border-color: rgba(124, 140, 255, 0.3);
}

.sidebar-footer {
  margin-top: auto;
  display: grid;
  gap: 0.75rem;
}

.session-card,
.meta-card,
.info-chip,
.metric-card,
.stat-card {
  padding: 0.95rem 1rem;
  border-radius: 18px;
}

.session-card .label,
.eyebrow {
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #93a2d7;
}

.session-card .value,
.meta-card strong,
.info-chip strong,
.metric-card strong,
.stat-card strong {
  display: block;
  margin-top: 0.35rem;
}

.main-layout {
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 1.2rem;
}

.topbar {
  padding: 1.25rem 1.4rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.topbar-meta {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.meta-card {
  min-width: 148px;
}

.section-view {
  display: none;
}

.section-view.active {
  display: block;
}

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

.stat-card {
  padding: 1.2rem;
  border-radius: 24px;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: "";
  position: absolute;
  width: 10rem;
  height: 10rem;
  border-radius: 999px;
  right: -4rem;
  bottom: -5rem;
  background: radial-gradient(circle, rgba(124, 140, 255, 0.18), transparent 70%);
}

.stat-card strong {
  font-size: 2rem;
  margin: 0.45rem 0 0.35rem;
}

.dashboard-columns,
.split-layout,
.tickets-layout,
.ticket-info-grid,
.two-col-form,
.form-actions {
  display: grid;
  gap: 1rem;
}

.dashboard-columns {
  margin-top: 1rem;
  grid-template-columns: 1.4fr 0.8fr;
}

.panel {
  padding: 1.2rem;
}

.wide-panel {
  min-height: 260px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.panel-header.compact {
  margin-bottom: 0.7rem;
}

.metrics-ribbon {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.metric-card {
  border-radius: 22px;
  padding: 1.2rem;
}

.metric-card strong {
  font-size: 1.7rem;
  margin-top: 0.5rem;
}

.leaderboard,
.admins-list,
.ticket-list,
.menu-tree {
  display: grid;
  gap: 0.8rem;
}

.leader-item,
.admin-card,
.ticket-card,
.tree-node {
  border-radius: 18px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.leader-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tickets-layout {
  grid-template-columns: 1.28fr 0.92fr;
  align-items: start;
}

.tickets-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.board-column {
  min-height: calc(100vh - 12rem);
}

.ticket-list {
  max-height: calc(100vh - 18rem);
  overflow: auto;
  padding-right: 0.3rem;
}

.ticket-card {
  cursor: pointer;
}

.ticket-card.active {
  border-color: rgba(124, 140, 255, 0.34);
  background: linear-gradient(180deg, rgba(124, 140, 255, 0.12), rgba(255, 255, 255, 0.03));
}

.ticket-card h4,
.admin-card h4,
.tree-node-title {
  margin: 0;
}

.ticket-card p,
.tree-node p {
  margin: 0.45rem 0 0.8rem;
  color: var(--text-soft);
}

.ticket-card-footer,
.tree-node-footer,
.admin-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.ticket-detail-panel {
  min-height: calc(100vh - 12rem);
  position: sticky;
  top: 6.9rem;
}

.detail-empty {
  min-height: 40rem;
  display: grid;
  place-content: center;
  text-align: center;
  gap: 0.4rem;
}

.empty-icon {
  font-size: 2.5rem;
  color: #d2dcff;
}

.ticket-detail-content {
  display: grid;
  gap: 1rem;
}

.ticket-detail-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.detail-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.ticket-status {
  width: fit-content;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
  font-weight: 700;
}

.ticket-status-new {
  background: rgba(255, 196, 107, 0.12);
  border: 1px solid rgba(255, 196, 107, 0.24);
  color: #ffd99f;
}

.ticket-status-open {
  background: rgba(71, 229, 255, 0.12);
  border: 1px solid rgba(71, 229, 255, 0.24);
  color: #c5f9ff;
}

.ticket-status-closed {
  background: rgba(56, 211, 159, 0.12);
  border: 1px solid rgba(56, 211, 159, 0.24);
  color: #bbf3de;
}

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

.ticket-messages {
  display: grid;
  gap: 0.8rem;
  max-height: 26rem;
  overflow: auto;
  padding-right: 0.3rem;
}

.ticket-bubble {
  padding: 1rem;
  border-radius: 18px;
}

.ticket-bubble.user {
  border-left: 3px solid rgba(124, 140, 255, 0.58);
}

.ticket-bubble.admin {
  border-left: 3px solid rgba(71, 229, 255, 0.58);
}

.ticket-bubble.system {
  border-left: 3px solid rgba(56, 211, 159, 0.58);
}

.ticket-bubble strong {
  display: block;
  margin-bottom: 0.45rem;
}

.ticket-bubble p {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.ticket-bubble time {
  display: block;
  margin-top: 0.7rem;
  font-size: 0.82rem;
}

.reply-form textarea {
  min-height: 8rem;
}

.split-layout {
  grid-template-columns: 1.1fr 0.9fr;
}

.admins-layout {
  grid-template-columns: 1fr 0.85fr;
}

.tree-node {
  display: grid;
  gap: 0.7rem;
}

.tree-node-header {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: flex-start;
}

.tree-node-actions {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.tree-children {
  display: grid;
  gap: 0.75rem;
  padding-left: 1rem;
  border-left: 1px solid rgba(124, 140, 255, 0.16);
}

.tag-chip {
  background: rgba(124, 140, 255, 0.12);
  border: 1px solid rgba(124, 140, 255, 0.22);
  color: #d8e0ff;
}

.tag-chip.inactive {
  background: rgba(255, 100, 136, 0.1);
  border-color: rgba(255, 100, 136, 0.2);
  color: #ffc8d6;
}

.two-col-form,
.form-actions {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.checkbox-row input {
  width: 1rem;
  height: 1rem;
}

.admin-card {
  display: grid;
  gap: 0.75rem;
}

.admin-card-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding-top: 0.75rem;
}

.count-badge {
  min-width: 42px;
  background: rgba(124, 140, 255, 0.14);
  border: 1px solid rgba(124, 140, 255, 0.2);
  color: #e1e7ff;
}

.detail-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 999;
  display: grid;
  gap: 0.75rem;
}

.toast {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  min-width: 270px;
  max-width: 360px;
}

.toast.success {
  border-color: rgba(56, 211, 159, 0.22);
}

.toast.error {
  border-color: rgba(255, 100, 136, 0.24);
}

.empty-state {
  padding: 1rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-soft);
  border: 1px dashed rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb {
  background: rgba(124, 140, 255, 0.28);
  border-radius: 999px;
}

@media (max-width: 1380px) {
  .stats-grid,
  .tickets-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dashboard-columns,
  .tickets-layout,
  .split-layout,
  .admins-layout {
    grid-template-columns: 1fr;
  }

  .ticket-detail-panel {
    position: static;
  }
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 780px) {
  .stats-grid,
  .tickets-board,
  .metrics-ribbon,
  .ticket-info-grid,
  .two-col-form,
  .form-actions {
    grid-template-columns: 1fr;
  }

  .topbar-meta {
    width: 100%;
  }

  .meta-card {
    flex: 1 1 100%;
  }

  .ticket-detail-head,
  .tree-node-header,
  .ticket-card-footer,
  .admin-card-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .login-screen,
  .app-shell {
    padding: 0.8rem;
  }
}