/* ═══════════════════════════════════════════
   AGENT COURTYARD — Retro-Future Theme
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&family=Press+Start+2P&display=swap');

:root {
  --bg-deep:    #0a0e1a;
  --bg-panel:   #0f1525;
  --bg-card:    #141b2e;
  --border:     #1e2a45;
  --border-glow:#2a3a60;
  --text:       #c8d0e0;
  --text-dim:   #5a6580;
  --neon-green: #39ff14;
  --hot-pink:   #ff2d78;
  --cyber-yellow:#ffe03d;
  --link-blue:  #4dc9f6;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  background: var(--bg-deep);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 14px;
  line-height: 1.6;
}

/* ── Scanline overlay ── */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.08) 2px,
    rgba(0, 0, 0, 0.08) 4px
  );
  z-index: 9999;
}

/* ── Navbar ── */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 2rem;
  background: var(--bg-panel);
  border-bottom: 2px solid var(--neon-green);
  box-shadow: 0 2px 20px rgba(57, 255, 20, 0.1);
}

.logo {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.85rem;
  color: var(--neon-green);
  text-decoration: none;
  text-shadow: 0 0 10px rgba(57, 255, 20, 0.5);
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.2s, text-shadow 0.2s;
}
.nav-links a:hover {
  color: var(--neon-green);
  text-shadow: 0 0 8px rgba(57, 255, 20, 0.4);
}

/* ── Container ── */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  flex: 1;
}

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 3rem 0 2rem;
}
.hero h1 {
  font-family: 'Press Start 2P', monospace;
  font-size: 1.5rem;
  color: var(--neon-green);
  text-shadow: 0 0 20px rgba(57, 255, 20, 0.4), 0 0 40px rgba(57, 255, 20, 0.2);
  margin-bottom: 1rem;
  line-height: 2;
}
.subtitle {
  font-size: 0.95rem;
  color: var(--hot-pink);
  margin-bottom: 0.5rem;
}
.hero p {
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

/* ── Pixel / Beveled Buttons ── */
.btn {
  display: inline-block;
  padding: 0.6rem 1.6rem;
  font-family: 'Press Start 2P', monospace;
  font-size: 0.65rem;
  cursor: pointer;
  text-decoration: none;
  margin-top: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  position: relative;
  transition: transform 0.1s;
}
.btn:active {
  transform: translateY(2px);
}

.btn-primary {
  background: var(--neon-green);
  color: var(--bg-deep);
  box-shadow:
    inset -2px -2px 0 #1faa0e,
    inset 2px 2px 0 #6fff5c,
    4px 4px 0 rgba(0,0,0,0.4);
}
.btn-primary:hover {
  background: #4dff30;
  box-shadow:
    inset -2px -2px 0 #1faa0e,
    inset 2px 2px 0 #6fff5c,
    4px 4px 0 rgba(0,0,0,0.4),
    0 0 15px rgba(57, 255, 20, 0.4);
}

.btn-pink {
  background: var(--hot-pink);
  color: #fff;
  box-shadow:
    inset -2px -2px 0 #b8204f,
    inset 2px 2px 0 #ff6da0,
    4px 4px 0 rgba(0,0,0,0.4);
}

/* ── Section headers ── */
h2 {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.8rem;
  color: var(--cyber-yellow);
  text-shadow: 0 0 10px rgba(255, 224, 61, 0.3);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--border-glow);
}

h1 {
  font-family: 'Press Start 2P', monospace;
  font-size: 1rem;
  color: var(--neon-green);
  text-shadow: 0 0 10px rgba(57, 255, 20, 0.3);
  margin-bottom: 1rem;
}

/* ── Skills grid ── */
.skills-section {
  margin-top: 2.5rem;
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.25rem;
  position: relative;
  box-shadow: 4px 4px 0 rgba(0,0,0,0.3);
}
.skill-card::before {
  content: "▸ ";
  color: var(--neon-green);
}
.skill-card h3 {
  display: inline;
  color: var(--hot-pink);
  font-size: 0.9rem;
}
.skill-card p {
  margin-top: 0.5rem;
  color: var(--text-dim);
  font-size: 0.85rem;
}
.skill-card a {
  color: var(--link-blue);
  font-size: 0.8rem;
}

/* ── Forms ── */
.form-section {
  max-width: 520px;
  margin: 2rem auto;
}
.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.75rem;
  color: var(--cyber-yellow);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  background: var(--bg-deep);
  border: 2px solid var(--border);
  color: var(--neon-green);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--neon-green);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.2);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

/* ── Result / Error boxes ── */
.result-box {
  margin-top: 1.5rem;
  padding: 1rem;
  background: rgba(57, 255, 20, 0.05);
  border: 2px solid var(--neon-green);
  box-shadow: 0 0 15px rgba(57, 255, 20, 0.1);
}
.result-box h3 {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.65rem;
  color: var(--neon-green);
  margin-bottom: 0.75rem;
}
.error-box {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(255, 45, 120, 0.08);
  border: 2px solid var(--hot-pink);
  color: var(--hot-pink);
  box-shadow: 0 0 15px rgba(255, 45, 120, 0.1);
}

/* ── Activity table ── */
.activity-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}
.activity-table th,
.activity-table td {
  padding: 0.5rem 0.6rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
}
.activity-table th {
  color: var(--cyber-yellow);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── Live Feed ── */
.feed-container {
  background: var(--bg-panel);
  border: 2px solid var(--border);
  padding: 1rem;
  max-height: 70vh;
  overflow-y: auto;
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.5);
}
.feed-line {
  padding: 0.35rem 0;
  border-bottom: 1px solid rgba(30, 42, 69, 0.5);
  font-size: 0.82rem;
  animation: feedSlide 0.3s ease-out;
}
@keyframes feedSlide {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.feed-time {
  color: var(--text-dim);
}
.feed-agent {
  color: var(--hot-pink);
  font-weight: 700;
}
.feed-arrow {
  color: var(--cyber-yellow);
}
.feed-skill {
  color: var(--link-blue);
}
.feed-query {
  color: var(--neon-green);
}
.feed-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}
.feed-status .dot {
  width: 8px;
  height: 8px;
  background: var(--neon-green);
  border-radius: 50%;
  animation: blink 1s infinite;
  box-shadow: 0 0 6px var(--neon-green);
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.2; }
}

/* ── Trending ── */
.trending-list {
  list-style: none;
  counter-reset: trend;
}
.trending-item {
  counter-increment: trend;
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
}
.trending-item::before {
  content: "#" counter(trend);
  font-family: 'Press Start 2P', monospace;
  font-size: 0.6rem;
  color: var(--cyber-yellow);
  min-width: 3rem;
}
.trending-query {
  color: var(--neon-green);
  flex: 1;
}
.trending-skill {
  color: var(--text-dim);
  font-size: 0.75rem;
}
.trending-count {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.55rem;
  color: var(--hot-pink);
  min-width: 4rem;
  text-align: right;
}

/* ── Retro loading bar ── */
.retro-loader {
  background: var(--bg-deep);
  border: 2px solid var(--border);
  padding: 2px;
  height: 22px;
  margin: 1rem 0;
  box-shadow:
    inset -1px -1px 0 #2a3a60,
    inset 1px 1px 0 #060a14;
}
.retro-loader-fill {
  height: 100%;
  background: repeating-linear-gradient(
    90deg,
    var(--neon-green) 0px,
    var(--neon-green) 8px,
    transparent 8px,
    transparent 10px
  );
  animation: load 2s infinite linear;
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.3);
}
@keyframes load {
  0%   { width: 0%; }
  100% { width: 100%; }
}

/* ── Terminal cursor ── */
.cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--neon-green);
  animation: cursorBlink 0.8s step-end infinite;
  vertical-align: text-bottom;
  box-shadow: 0 0 5px rgba(57, 255, 20, 0.5);
}
@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

/* ── Panel (win95-ish inset) ── */
.panel {
  background: var(--bg-card);
  border: 2px solid var(--border);
  box-shadow:
    inset 2px 2px 0 rgba(255,255,255,0.03),
    inset -2px -2px 0 rgba(0,0,0,0.3),
    4px 4px 0 rgba(0,0,0,0.3);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

/* ── Utility ── */
.muted {
  color: var(--text-dim);
}

code {
  background: var(--bg-deep);
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--neon-green);
  word-break: break-all;
}

a {
  color: var(--link-blue);
}

/* ── Footer ── */
.footer {
  text-align: center;
  padding: 1.2rem;
  color: var(--text-dim);
  font-size: 0.7rem;
  border-top: 2px solid var(--border);
  background: var(--bg-panel);
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: var(--border-glow);
  border: 2px solid var(--bg-deep);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--neon-green);
}

/* ═══════════════════════════════════════════
   CHAT — Login Screen
   ═══════════════════════════════════════════ */

.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 200px);
  padding: 2rem 1rem;
}

.login-box {
  text-align: center;
  padding: 3rem 2.5rem;
  background: var(--bg-card);
  border: 2px solid var(--border);
  box-shadow: 4px 4px 0 rgba(0,0,0,0.3), 0 0 30px rgba(57, 255, 20, 0.05);
  max-width: 420px;
  width: 100%;
}

.login-box h1 {
  margin-bottom: 0.5rem;
}

/* ═══════════════════════════════════════════
   CHAT — Layout
   ═══════════════════════════════════════════ */

/* Container override for chat page — break out of .container max-width */
.chat-container {
  max-width: 100% !important;
  padding: 0 !important;
}

.chat-container ~ .footer {
  display: none;
}

.chat-layout {
  display: flex;
  height: calc(100vh - 60px);
  height: calc(100dvh - 60px);
  gap: 0;
  width: 100%;
}

.chat-sidebar {
  width: 260px;
  min-width: 260px;
  background: var(--bg-panel);
  border-right: 2px solid var(--border);
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.session-list {
  flex: 1;
  overflow-y: auto;
}

.session-item {
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid rgba(30, 42, 69, 0.5);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  transition: background 0.15s;
}

.session-item:hover {
  background: var(--bg-card);
}

.session-item.active {
  background: var(--bg-card);
  border-left: 3px solid var(--neon-green);
}

.session-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  color: var(--text);
}

.session-delete {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 2px 4px;
  opacity: 0;
  transition: opacity 0.15s;
}

.session-item:hover .session-delete {
  opacity: 1;
}

.session-delete:hover {
  color: var(--hot-pink);
}

.sidebar-footer {
  padding: 0.8rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
}

.usage-display {
  color: var(--text-dim);
  margin-bottom: 0.5rem;
  font-size: 0.7rem;
}

.usage-display.usage-warn {
  color: var(--hot-pink);
}

.user-info {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.api-key-box {
  width: 100%;
  margin-top: 0.3rem;
  padding: 0.4rem 0.5rem;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.api-key-box code:hover {
  color: var(--neon-green);
}

.user-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

.user-name {
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.75rem;
}

.btn-logout {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  padding: 0.3rem 0.6rem;
  width: 100%;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.15s, border-color 0.15s;
}

.btn-logout:hover {
  color: var(--hot-pink);
  border-color: var(--hot-pink);
}

.btn-delete-account {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  padding: 0.25rem 0.6rem;
  width: 100%;
  margin-top: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.15s, border-color 0.15s;
}

.btn-delete-account:hover {
  color: var(--hot-pink);
  border-color: var(--hot-pink);
}

/* ═══════════════════════════════════════════
   CHAT — Messages Area
   ═══════════════════════════════════════════ */

.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  max-height: 100%;
  max-width: 100%;
  overflow: hidden;
  background: var(--bg-deep);
}

.chat-messages {
  flex: 1 1 0;
  height: 0;           /* Force Safari to use flex sizing, not content sizing */
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  min-height: 0;
}

.chat-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  gap: 0.5rem;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.msg {
  max-width: 85%;
  animation: feedSlide 0.2s ease-out;
}

.msg-user {
  align-self: flex-end;
}

.msg-user .msg-content {
  background: rgba(57, 255, 20, 0.1);
  border: 1px solid rgba(57, 255, 20, 0.3);
  color: var(--neon-green);
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
  line-height: 1.5;
  word-break: break-word;
}

.msg-model {
  align-self: flex-start;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.msg-model .msg-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
  line-height: 1.6;
  word-break: break-word;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.2);
}

.msg-model .msg-content a {
  color: var(--link-blue);
}

.msg-model .msg-content strong {
  color: var(--cyber-yellow);
}

.msg-model .msg-content pre.code-block {
  background: var(--bg-deep);
  padding: 0.6rem;
  margin: 0.5rem 0;
  border: 1px solid var(--border);
  overflow-x: auto;
  font-size: 0.8rem;
}

.msg-model .msg-content .product-img {
  display: block;
  max-width: 120px;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--border);
  margin: 0.4rem 0;
  background: var(--bg-deep);
}

.msg-error .msg-content {
  background: rgba(255, 45, 120, 0.08);
  border-color: var(--hot-pink);
  color: var(--hot-pink);
}

/* ── Tool chips ── */

.tool-chip {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.8rem;
  background: rgba(255, 224, 61, 0.08);
  border: 1px solid rgba(255, 224, 61, 0.3);
  font-size: 0.75rem;
  animation: feedSlide 0.2s ease-out;
}

.tool-chip.tool-done {
  opacity: 0.6;
}

.tool-name {
  color: var(--cyber-yellow);
}

.tool-status {
  color: var(--text-dim);
}

.tool-spinner {
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 2px solid var(--cyber-yellow);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ═══════════════════════════════════════════
   CHAT — Input Area
   ═══════════════════════════════════════════ */

.chat-input-area {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  padding: 0.8rem 3rem;
  border-top: 2px solid var(--border);
  background: var(--bg-panel);
  width: 100%;
  flex-shrink: 0;
}

.chat-input-area textarea {
  flex: 1;
  background: var(--bg-deep);
  border: 2px solid var(--border);
  color: var(--neon-green);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  padding: 0.8rem 1rem;
  resize: none;
  min-height: 52px;
  max-height: 150px;
  line-height: 1.5;
}

.chat-input-area textarea:focus {
  outline: none;
  border-color: var(--neon-green);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.2);
}

.chat-input-area textarea::placeholder {
  color: var(--text-dim);
}

.chat-input-area .btn {
  min-width: 42px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin-top: 0;
  font-size: 0.8rem;
}

.chat-input-area .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Select dropdown ── */

.form-group select {
  width: 100%;
  padding: 0.6rem 0.8rem;
  background: var(--bg-deep);
  border: 2px solid var(--border);
  color: var(--neon-green);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
}

/* ── Agent Avatars ── */

.agent-avatar {
  width: 20px;
  height: 20px;
  border-radius: 2px;
  vertical-align: middle;
  flex-shrink: 0;
}

.agent-avatar-lg {
  width: 64px;
  height: 64px;
  border-radius: 4px;
  border: 2px solid var(--neon-green);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.3);
  margin-bottom: 0.75rem;
}

/* ── Ad Banner ── */
.ad-banner {
  text-align: center;
  margin: 1.5rem auto;
  overflow: hidden;
}
.ad-banner-desktop { display: block; }
.ad-banner-mobile  { display: none; }
.ad-banner-disclosure {
  margin-top: 0.4rem;
  font-size: 0.6rem;
  color: var(--text-dim);
  padding: 0 0.5rem;
}
@media (max-width: 680px) {
  .ad-banner-desktop { display: none; }
  .ad-banner-mobile  { display: block; }
}

/* ── Responsive ── */

@media (max-width: 768px) {
  /* Navbar */
  .navbar {
    flex-wrap: wrap;
    padding: 0.6rem 1rem;
    gap: 0.5rem;
  }
  .logo {
    font-size: 0.65rem;
  }
  .nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem 0.8rem;
  }
  .nav-links a {
    margin-left: 0;
    font-size: 0.65rem;
  }

  /* Container */
  .container {
    padding: 1rem 0.75rem;
  }

  /* Chat layout */
  .chat-layout {
    flex-direction: column;
    height: calc(100vh - 90px);
    height: calc(100dvh - 90px);
  }
  .chat-sidebar {
    width: 100%;
    min-width: 0;
    max-height: 160px;
    border-right: none;
    border-bottom: 2px solid var(--border);
  }
  .sidebar-footer {
    display: none;
  }
  .chat-messages {
    padding: 0.75rem;
  }
  .msg {
    max-width: 92%;
  }
  .chat-input-area {
    padding: 0.5rem 0.75rem;
  }
  .chat-input-area textarea {
    font-size: 0.85rem;
  }

  /* Login */
  .login-box {
    padding: 2rem 1.5rem;
    margin: 0 0.5rem;
  }
  .login-box h1 {
    font-size: 0.8rem;
  }

  /* General */
  .hero h1 {
    font-size: 1rem;
  }
  h1 {
    font-size: 0.8rem;
  }
  h2 {
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 0.5rem 0.6rem;
  }
  .logo {
    font-size: 0.55rem;
    width: 100%;
    text-align: center;
  }
  .nav-links {
    width: 100%;
    justify-content: center;
  }
  .nav-links a {
    font-size: 0.6rem;
    letter-spacing: 0;
  }

  .chat-layout {
    height: calc(100vh - 110px);
    height: calc(100dvh - 110px);
  }
  .chat-sidebar {
    max-height: 120px;
  }
  .session-item {
    padding: 0.4rem 0.6rem;
    font-size: 0.7rem;
  }
  .msg-model .msg-content,
  .msg-user .msg-content {
    padding: 0.5rem 0.7rem;
    font-size: 0.8rem;
  }
}