/* ===========================================================
   Pool Party Pick 'Em — Shared Styles
   Dark, professional theme with a bright green accent
   =========================================================== */

:root {
  --bg-primary: #0b0f0e;
  --bg-secondary: #121712;
  --bg-card: #161d19;
  --bg-card-hover: #1c2420;
  --border-color: #26312b;
  --text-primary: #f2f5f3;
  --text-secondary: #a9b6af;
  --text-muted: #78877e;
  --accent: #3ddc84;
  --accent-dark: #2bb968;
  --accent-soft: rgba(61, 220, 132, 0.12);
  --gold: #e8c468;
  --danger: #e5624c;
  --radius: 10px;
  --max-width: 1160px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 88px 0;
}

h1, h2, h3, h4 {
  margin: 0 0 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h2.section-title {
  font-size: 34px;
  text-align: center;
  margin-bottom: 12px;
}

p.section-subtitle,
.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 56px;
  font-size: 16px;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--accent);
  color: #06120c;
}

.btn-primary:hover {
  background-color: var(--accent-dark);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-block {
  width: 100%;
}

/* ---------- Navbar ---------- */

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 14, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.navbar .container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #06120c;
  flex-shrink: 0;
}

/* Groups the tab links and the auth buttons together so both can collapse
   into a single dropdown panel on mobile (see .nav-toggle / .nav-menu
   below) without changing their layout at all on desktop. */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  min-width: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.nav-links a:hover {
  color: var(--text-primary);
}

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

.nav-toggle {
  display: none;
  flex-shrink: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text-primary);
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.navbar.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.navbar.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.navbar.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 860px) {
  .brand {
    font-size: 15px;
  }

  .brand-mark {
    width: 28px;
    height: 28px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
  }

  .navbar.nav-open .nav-menu {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: rgba(11, 15, 14, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 24px 24px;
    max-height: calc(100vh - 76px);
    overflow-y: auto;
  }

  .navbar.nav-open .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .navbar.nav-open .nav-links a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--border-color);
  }

  .navbar.nav-open .nav-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-top: 14px;
  }

  .navbar.nav-open .nav-actions .btn {
    width: 100%;
    text-align: center;
  }
}

/* ---------- Hero ---------- */

.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(circle at 15% 20%, rgba(61, 220, 132, 0.14), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(61, 220, 132, 0.08), transparent 40%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: 46px;
  line-height: 1.15;
}

.hero h1 span {
  color: var(--accent);
}

.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-stats {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}

.hero-stat .num {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent);
}

.hero-stat .label {
  font-size: 13px;
  color: var(--text-muted);
}

/* Hero leaderboard preview card */

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 22px;
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.hero-card-header h4 {
  margin: 0;
  font-size: 15px;
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.7);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(61, 220, 132, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0); }
}

.mini-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border-color);
  font-size: 14px;
}

.mini-row:last-child {
  border-bottom: none;
}

.mini-rank {
  width: 22px;
  font-weight: 800;
  color: var(--text-muted);
}

.mini-rank.top {
  color: var(--gold);
}

.mini-name {
  flex: 1;
  font-weight: 600;
}

.mini-points {
  font-weight: 800;
  color: var(--accent);
}

/* ---------- How It Works ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px 22px;
}

.step-number {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.step-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.step-card p {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0;
}

/* ---------- Events grid ---------- */

.events-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
}

.event-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  flex: 0 0 calc((100% - (2 * 18px)) / 3);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

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

.event-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.event-sport {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 700;
}

.event-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}

.event-date {
  font-size: 13px;
  color: var(--text-muted);
}

.event-style {
  display: inline-block;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 9px;
  border-radius: 999px;
  white-space: nowrap;
}

.event-style.tag-tiers {
  background: var(--accent-soft);
  color: var(--accent);
}

.event-style.tag-bracket {
  background: rgba(232, 196, 104, 0.14);
  color: var(--gold);
}

.event-style.tag-odds {
  background: rgba(94, 158, 227, 0.14);
  color: #6fa9e8;
}

.event-style.tag-matchups {
  background: rgba(120, 200, 150, 0.14);
  color: #6fc48f;
}

/* ---------- Leaderboard table ---------- */

.leaderboard-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

table.leaderboard {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

table.leaderboard th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  user-select: none;
}

table.leaderboard th:hover {
  color: var(--accent);
}

table.leaderboard td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
}

table.leaderboard tbody tr:last-child td {
  border-bottom: none;
}

table.leaderboard tbody tr:hover {
  background: var(--bg-card-hover);
}

table.leaderboard tbody tr.is-you {
  background: var(--accent-soft);
}

.rank-cell {
  font-weight: 800;
  color: var(--text-muted);
  width: 50px;
}

.rank-cell.gold { color: var(--gold); }

.player-cell {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--accent), var(--accent-dark));
  color: #06120c;
  font-weight: 800;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.points-cell {
  font-weight: 800;
  color: var(--accent);
}

.trend {
  font-size: 12px;
  font-weight: 700;
}

.trend.up { color: var(--accent); }
.trend.down { color: var(--danger); }
.trend.flat { color: var(--text-muted); }

/* ---------- Signup / CTA ---------- */

.signup-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.signup-box {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.signup-form {
  display: flex;
  gap: 10px;
  margin-top: 28px;
  flex-wrap: wrap;
  justify-content: center;
}

.signup-form input[type="email"],
.signup-form input[type="text"] {
  flex: 1;
  min-width: 220px;
  padding: 13px 18px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 14px;
}

.signup-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.form-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 14px;
}

.form-success {
  display: none;
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
}

.form-success.visible {
  display: block;
}

/* ---------- Footer ---------- */

footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border-color);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.footer-cols {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ---------- Auth pages (signup / login) ---------- */

.auth-wrap {
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: var(--shadow);
}

.auth-card h1 {
  font-size: 24px;
  margin-bottom: 6px;
}

.auth-card .auth-sub {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 26px;
}

.field-group {
  margin-bottom: 18px;
}

.field-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 7px;
}

.field-group input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 14px;
}

.field-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.auth-error {
  display: none;
  background: rgba(229, 98, 76, 0.12);
  color: var(--danger);
  font-size: 13px;
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 18px;
}

.auth-error.visible {
  display: block;
}

.event-checklist {
  max-height: 240px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  padding: 6px 4px;
}

.event-checklist-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13px;
}

.event-checklist-item:hover {
  background: var(--bg-primary);
}

.event-checklist-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  accent-color: var(--accent);
}

.event-checklist-item .event-checklist-name {
  font-weight: 600;
  color: var(--text-primary);
}

.event-checklist-item .event-checklist-meta {
  color: var(--text-muted);
  font-size: 12px;
}

.event-checklist-count {
  font-size: 12px;
  color: var(--text-muted);
  margin: 8px 0 18px;
}

.auth-success {
  display: none;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 18px;
}

.auth-success.visible {
  display: block;
}

.auth-switch {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 22px;
}

.auth-switch a {
  color: var(--accent);
  font-weight: 600;
}

/* ---------- Dashboard / My Picks page ---------- */

.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.dash-header h1 {
  font-size: 28px;
  margin-bottom: 4px;
}

.event-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 18px 22px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background: var(--bg-card);
  margin-bottom: 14px;
}

.event-row-info {
  min-width: 220px;
}

.event-row-name {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 4px;
}

.event-row-meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.status-pill {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: 999px;
}

.status-pill.upcoming { background: var(--accent-soft); color: var(--accent); }
.status-pill.locked { background: rgba(232, 196, 104, 0.14); color: var(--gold); }
.status-pill.completed { background: rgba(255,255,255,0.08); color: var(--text-secondary); }

.event-row-pick {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.pick-select {
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 13px;
  min-width: 170px;
}

.pick-saved-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
}

.btn-small {
  padding: 9px 16px;
  font-size: 13px;
}

/* ---------- Admin page ---------- */

.admin-table-wrap {
  overflow-x: auto;
}

table.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

table.admin-table th,
table.admin-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
  vertical-align: middle;
}

table.admin-table input,
table.admin-table select {
  padding: 7px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 13px;
}

/* ---------- Demo page specific ---------- */

.page-header {
  padding: 56px 0 32px;
  text-align: center;
}

.demo-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: start;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 26px;
}

.card h3 {
  font-size: 18px;
}

.matchup {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 18px 0 22px;
  padding: 18px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background: var(--bg-secondary);
}

.team-pick {
  flex: 1;
  text-align: center;
  padding: 14px 10px;
  border-radius: var(--radius);
  border: 2px solid var(--border-color);
  cursor: pointer;
  background: var(--bg-card);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.team-pick.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.team-pick .team-name {
  font-weight: 700;
  margin-bottom: 4px;
}

.team-pick .team-seed {
  font-size: 12px;
  color: var(--text-muted);
}

.vs-label {
  font-size: 13px;
  font-weight: 800;
  color: var(--text-muted);
}

.event-picker {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.event-chip {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-secondary);
  background: var(--bg-secondary);
}

.event-chip.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.submit-banner {
  display: none;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}

.submit-banner.visible {
  display: block;
}

.demo-badge-row {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.style-explain {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0 0 18px;
}

.tier-group {
  margin-bottom: 16px;
}

.tier-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.tier-players {
  display: flex;
  gap: 10px;
}

.tier-players .team-pick {
  flex: 1;
  padding: 12px 10px;
}

.odds-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 4px;
}

.badge {
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

/* ---------- Group chat ---------- */

.chat-messages {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 420px;
  overflow-y: auto;
  padding-right: 4px;
  margin-bottom: 16px;
}

.chat-message {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.chat-message .avatar {
  flex-shrink: 0;
}

.chat-message-body {
  flex: 1;
  min-width: 0;
}

.chat-message-meta {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.chat-message-author {
  font-weight: 700;
  font-size: 13px;
  color: var(--text-primary);
}

.chat-message-time {
  font-size: 11px;
  color: var(--text-muted);
}

.chat-message-text {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 2px;
  white-space: pre-wrap;
  word-break: break-word;
}

.chat-message-delete {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  padding: 2px 6px;
}

.chat-message-delete:hover {
  color: var(--danger);
}

.chat-empty {
  color: var(--text-muted);
  font-size: 14px;
  padding: 8px 0 16px;
}

.chat-form {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.chat-form textarea {
  flex: 1;
  min-height: 44px;
  max-height: 140px;
  padding: 11px 16px;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
}

.chat-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.chat-error {
  display: none;
  font-size: 13px;
  color: var(--danger);
  margin-top: 10px;
}

.chat-error.visible {
  display: block;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .event-card { flex-basis: calc((100% - 18px) / 2); }
  .demo-layout { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
}

@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
  .event-card { flex-basis: 100%; }
  section { padding: 56px 0; }
}