:root {
  --bg-0: #0b1020;
  --bg-1: #101729;
  --bg-2: #151d32;
  --bg-3: rgba(17, 24, 39, 0.84);
  --bg-4: rgba(13, 18, 32, 0.82);
  --panel: rgba(17, 24, 39, 0.82);
  --panel-strong: rgba(20, 27, 45, 0.94);
  --panel-soft: rgba(255, 255, 255, 0.04);
  --line: rgba(148, 163, 184, 0.14);
  --line-strong: rgba(148, 163, 184, 0.24);
  --text: #edf3ff;
  --muted: #98a7c4;
  --accent: #5d7cff;
  --accent-2: #7c3aed;
  --accent-3: #22c1c3;
  --danger: #f87171;
  --success: #4ade80;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 18px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(124, 58, 237, 0.22), transparent 24%),
    radial-gradient(circle at bottom right, rgba(34, 193, 195, 0.12), transparent 28%),
    linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 45%, #0a0f1b 100%);
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button,
input,
textarea,
dialog {
  outline: none;
}

.auth-ambient,
.app-gradient {
  position: fixed;
  inset: auto;
  pointer-events: none;
  filter: blur(40px);
  opacity: 0.65;
}

.auth-ambient-1,
.app-gradient-1 {
  width: 360px;
  height: 360px;
  left: -40px;
  top: -40px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.4), transparent 72%);
}

.auth-ambient-2,
.app-gradient-2 {
  width: 480px;
  height: 480px;
  right: -100px;
  bottom: -120px;
  background: radial-gradient(circle, rgba(34, 193, 195, 0.22), transparent 70%);
}

.fade-up {
  opacity: 0;
  transform: translateY(22px);
  animation: fadeUp 0.7s ease forwards;
}

.delay-1 {
  animation-delay: 0.12s;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseGlow {
  0%,
  100% { box-shadow: 0 0 0 0 rgba(93, 124, 255, 0.16); }
  50% { box-shadow: 0 0 0 12px rgba(93, 124, 255, 0); }
}

.auth-body,
.app-body {
  min-height: 100vh;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(320px, 1.1fr) minmax(320px, 0.95fr);
  gap: 28px;
  padding: 28px;
  position: relative;
  z-index: 1;
}

.auth-shell-improved {
  align-items: stretch;
}

.brand-panel,
.auth-card,
.server-strip,
.channel-sidebar,
.chat-panel,
.members-panel,
.channel-dialog {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}

.brand-panel,
.auth-card,
.channel-sidebar,
.chat-panel,
.members-panel {
  border-radius: var(--radius-xl);
}

.brand-panel {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}

.brand-panel-improved {
  position: relative;
  overflow: hidden;
}

.brand-panel-improved::after {
  content: "";
  position: absolute;
  inset: auto -120px -120px auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(93, 124, 255, 0.22), transparent 72%);
}

.brand-badge,
.server-logo,
.message-avatar,
.member-avatar {
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 800;
}

.brand-badge {
  width: 78px;
  height: 78px;
  font-size: 2rem;
}

.brand-badge.large {
  width: 90px;
  height: 90px;
  font-size: 2.2rem;
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(93, 124, 255, 0.14);
  border: 1px solid rgba(93, 124, 255, 0.26);
  color: #c8d4ff;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-panel h1 {
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 4.6rem);
}

.brand-panel p,
.brand-panel li,
.sidebar-subtle,
.sidebar-label,
#channel-description,
.dialog-note,
.member-card p,
.tips-card p,
#current-user-handle,
.panel-heading p,
.field-help,
.composer-actions small,
.member-empty,
.empty-sidebar-state {
  color: var(--muted);
}

.brand-panel p,
.feature-chip span,
.tips-card p,
.member-card p,
.panel-heading p {
  line-height: 1.6;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.feature-chip {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  gap: 6px;
}

.feature-chip strong,
.header-stat strong,
.channel-chip,
.channel-button strong,
.member-card strong {
  color: var(--text);
}

.auth-card {
  padding: 24px;
  align-self: center;
}

.auth-card-improved {
  max-width: 620px;
  width: 100%;
  justify-self: end;
}

.auth-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.tab-button,
.ghost-button,
.primary-button,
.channel-button,
.server-pill,
.icon-button {
  border: 1px solid transparent;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, opacity 0.18s ease, box-shadow 0.18s ease;
}

.tab-button,
.ghost-button,
.server-pill,
.icon-button {
  color: var(--text);
  background: rgba(148, 163, 184, 0.08);
}

.tab-button:hover,
.ghost-button:hover,
.server-pill:hover,
.icon-button:hover,
.channel-button:hover {
  transform: translateY(-1px);
}

.tab-button {
  border-radius: 16px;
  padding: 12px 14px;
  font-weight: 700;
}

.tab-button.active,
.channel-button.active,
.server-pill.active {
  background: rgba(93, 124, 255, 0.18);
  border-color: rgba(93, 124, 255, 0.34);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.panel-heading {
  margin-bottom: 18px;
}

.panel-heading h2,
.sidebar-header h2,
.chat-header h1,
.dialog-form h3,
.empty-state h3 {
  margin: 0;
}

.auth-form,
.dialog-form {
  display: grid;
  gap: 16px;
}

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

.auth-form label,
.dialog-form label {
  display: grid;
  gap: 8px;
}

.full-width {
  grid-column: 1 / -1;
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(9, 14, 24, 0.62);
  color: var(--text);
  border-radius: 16px;
  padding: 14px 15px;
  resize: none;
}

input:focus,
textarea:focus {
  border-color: rgba(93, 124, 255, 0.7);
  box-shadow: 0 0 0 4px rgba(93, 124, 255, 0.12);
}

input::placeholder,
textarea::placeholder {
  color: rgba(152, 167, 196, 0.78);
}

.field-help {
  font-size: 0.82rem;
}

.field-help[data-level="weak"] {
  color: #fca5a5;
}

.field-help[data-level="medium"] {
  color: #fdba74;
}

.field-help[data-level="strong"] {
  color: #86efac;
}

.primary-button {
  border-radius: 16px;
  padding: 13px 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  font-weight: 700;
}

.glow-button {
  box-shadow: 0 14px 32px rgba(93, 124, 255, 0.26);
}

.primary-button:hover {
  filter: brightness(1.06);
}

.ghost-button,
.icon-button {
  border-radius: 14px;
  padding: 10px 14px;
}

.icon-button {
  width: 44px;
  height: 44px;
  padding: 0;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
}

.auth-message {
  border-radius: 16px;
  padding: 12px 14px;
  margin-bottom: 18px;
  border: 1px solid transparent;
}

.auth-message.hidden {
  display: none;
}

.auth-message.error,
.toast.error {
  background: rgba(248, 113, 113, 0.14);
  border-color: rgba(248, 113, 113, 0.3);
  color: #fecaca;
}

.auth-message.success,
.toast.success {
  background: rgba(74, 222, 128, 0.14);
  border-color: rgba(74, 222, 128, 0.3);
  color: #d1fae5;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 82px 300px minmax(0, 1fr) 310px;
  gap: 16px;
  padding: 16px;
  position: relative;
  z-index: 1;
}

.server-strip {
  border-radius: 28px;
  background: rgba(10, 14, 24, 0.88);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.server-logo,
.server-pill {
  width: 54px;
  height: 54px;
}

.server-logo {
  font-size: 1.35rem;
  animation: pulseGlow 2.5s infinite;
}

.server-pill {
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: var(--text);
  background: rgba(148, 163, 184, 0.12);
  font-weight: 800;
}

.server-rail-spacer {
  flex: 1;
}

.server-mini-status {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #94a3b8;
}

.status-dot.online {
  background: var(--success);
  box-shadow: 0 0 18px rgba(74, 222, 128, 0.5);
}

.channel-sidebar,
.members-panel,
.chat-panel {
  overflow: hidden;
}

.channel-sidebar,
.members-panel {
  display: flex;
  flex-direction: column;
}

.sidebar-header,
.chat-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.sidebar-header-stacked,
.improved-members-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.sidebar-header h2,
.chat-header p,
.sidebar-header p {
  margin: 0;
}

.sidebar-label {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  margin-bottom: 6px;
}

.sidebar-search-wrap,
.channel-section-title,
.member-section-label {
  padding: 14px 16px 0;
}

.sidebar-search {
  background: rgba(255, 255, 255, 0.04);
}

.channel-section-title span,
.member-section-label span {
  color: #d9e2ff;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.channel-list {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: auto;
}

.channel-button {
  text-align: left;
  border-radius: 16px;
  padding: 12px 12px 12px 14px;
  background: transparent;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.channel-button-main {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  align-items: start;
  min-width: 0;
}

.channel-button strong,
.channel-button small,
.channel-button-main div {
  display: block;
}

.channel-button small,
.message-count {
  color: var(--muted);
}

.channel-button small {
  margin-top: 2px;
  font-size: 0.78rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.channel-hash {
  color: #dce5ff;
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.3;
}

.channel-button-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.unread-badge {
  min-width: 24px;
  height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #f97316, #ef4444);
  color: white;
  font-size: 0.76rem;
  font-weight: 800;
}

.message-count {
  font-size: 0.78rem;
}

.empty-sidebar-state {
  padding: 16px;
  text-align: center;
}

.user-footer {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding: 16px;
  display: grid;
  gap: 12px;
}

.current-user-card {
  margin: 0;
}

.chat-panel {
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  background: rgba(16, 23, 41, 0.86);
}

.chat-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.channel-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.2rem;
  margin-bottom: 6px;
}

.chat-header-meta {
  display: flex;
  gap: 12px;
}

.header-stat {
  min-width: 86px;
  padding: 10px 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.header-stat strong,
.header-stat span {
  display: block;
}

.header-stat span {
  color: var(--muted);
  font-size: 0.76rem;
  margin-top: 3px;
}

.messages {
  padding: 18px 20px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.date-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 12px 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.date-divider::before,
.date-divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: rgba(148, 163, 184, 0.18);
}

.message {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  padding: 10px 12px;
  border-radius: 18px;
  border: 1px solid transparent;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
  animation: fadeUp 0.22s ease;
}

.message:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.05);
}

.message.grouped {
  grid-template-columns: 48px 1fr;
  padding-top: 4px;
}

.message.is-own {
  background: rgba(93, 124, 255, 0.06);
}

.message-spacer {
  width: 48px;
}

.message-avatar,
.member-avatar {
  width: 48px;
  height: 48px;
  font-weight: 800;
  flex-shrink: 0;
}

.message-avatar.self {
  background: linear-gradient(135deg, var(--accent-3), var(--accent));
}

.message-content p {
  margin: 0;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.message-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 5px;
}

.message-meta span,
.grouped-meta span {
  color: var(--muted);
  font-size: 0.78rem;
}

.grouped-content p {
  margin-top: 2px;
}

.typing-indicator {
  min-height: 24px;
  padding: 0 20px 12px;
  color: var(--muted);
  font-size: 0.86rem;
  opacity: 0;
  transition: opacity 0.16s ease;
}

.typing-indicator.visible {
  opacity: 1;
}

.message-form {
  border-top: 1px solid var(--line);
  padding: 16px 20px 20px;
  display: grid;
  gap: 12px;
}

.composer-wrap {
  display: block;
}

#message-input {
  min-height: 54px;
  max-height: 180px;
  border-radius: 20px;
  padding: 16px 18px;
  background: rgba(8, 12, 22, 0.7);
}

.composer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.members-panel {
  background: rgba(15, 20, 35, 0.86);
}

.tips-card,
.member-card {
  margin: 16px;
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.compact-tip {
  margin-bottom: 8px;
}

.tips-card code {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  color: #dfe7ff;
}

.members-list {
  overflow: auto;
  padding-bottom: 8px;
}

.member-card.compact {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: center;
  margin-top: 10px;
  margin-bottom: 0;
}

.member-card.compact:last-child {
  margin-bottom: 10px;
}

.member-card.is-self {
  border-color: rgba(93, 124, 255, 0.24);
}

.online-ring {
  box-shadow: inset 0 0 0 2px rgba(74, 222, 128, 0.15), 0 0 0 2px rgba(74, 222, 128, 0.34);
}

.offline-ring {
  opacity: 0.72;
}

.member-empty {
  padding: 8px 16px 0;
  font-size: 0.9rem;
}

.empty-state {
  margin: auto;
  text-align: center;
  max-width: 520px;
  padding: 26px;
}

.improved-empty-state {
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.channel-dialog {
  width: min(540px, calc(100vw - 24px));
  background: rgba(14, 20, 34, 0.96);
  color: var(--text);
}

.channel-dialog::backdrop {
  background: rgba(0, 0, 0, 0.58);
}

.dialog-form {
  padding: 24px;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.toast-stack {
  position: fixed;
  right: 18px;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 30;
}

.toast {
  min-width: 220px;
  max-width: 320px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(15, 23, 42, 0.92);
  color: var(--text);
  box-shadow: var(--shadow);
  animation: fadeUp 0.22s ease;
}

.toast.hide {
  opacity: 0;
  transform: translateY(8px);
}

@media (max-width: 1220px) {
  .app-shell {
    grid-template-columns: 82px 280px minmax(0, 1fr);
  }

  .members-panel {
    display: none;
  }
}

@media (max-width: 980px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }

  .auth-card-improved {
    justify-self: stretch;
    max-width: none;
  }

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

  .app-shell {
    grid-template-columns: 1fr;
  }

  .server-strip,
  .members-panel {
    display: none;
  }

  .channel-sidebar {
    max-height: 340px;
  }
}

@media (max-width: 720px) {
  .auth-shell,
  .app-shell {
    padding: 12px;
  }

  .brand-panel,
  .auth-card,
  .channel-sidebar,
  .chat-panel,
  .members-panel {
    border-radius: 24px;
  }

  .auth-form.two-column {
    grid-template-columns: 1fr;
  }

  .chat-header,
  .composer-actions,
  .sidebar-header-stacked,
  .user-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .chat-header-meta {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .header-stat {
    min-width: 0;
  }
}