/* =========================================================================
   Zallixor AI — Design System
   Palette: deep indigo-navy ground, blue→violet neural gradient accent.
   Type: Space Grotesk (display) / Inter (body) / JetBrains Mono (utility)
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root,
[data-theme="dark"] {
  --bg: #0a0d16;
  --bg-elevated: #10131f;
  --panel: #141827;
  --panel-2: #1a1f31;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text-primary: #edeff7;
  --text-secondary: #9aa1b8;
  --text-muted: #656c82;
  --accent-1: #4c7fff;
  --accent-2: #9b6bff;
  --accent-gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  --warn: #ff6b4a;
  --success: #34d399;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  --glass-bg: rgba(20, 24, 39, 0.72);
}

[data-theme="light"] {
  --bg: #f4f5fa;
  --bg-elevated: #ffffff;
  --panel: #ffffff;
  --panel-2: #f0f1f8;
  --border: rgba(16, 19, 31, 0.09);
  --border-strong: rgba(16, 19, 31, 0.16);
  --text-primary: #10131f;
  --text-secondary: #4a5170;
  --text-muted: #868da3;
  --accent-1: #3a68e0;
  --accent-2: #8354e6;
  --accent-gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  --warn: #d9502f;
  --success: #16a374;
  --shadow: 0 8px 30px rgba(30, 34, 60, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.78);
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: "Inter", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  transition: background 0.25s ease, color 0.25s ease;
}

h1, h2, h3, .display {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

code, pre, .mono { font-family: "JetBrains Mono", monospace; }

a { color: var(--accent-1); text-decoration: none; }

::selection { background: var(--accent-2); color: #fff; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 8px; }
::-webkit-scrollbar-track { background: transparent; }

button { font-family: inherit; cursor: pointer; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- primitives ---------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text-primary);
  padding: 10px 18px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.btn:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent-gradient);
  border: none;
  color: #fff;
  box-shadow: 0 4px 18px rgba(76, 127, 255, 0.35);
}
.btn-primary:hover { filter: brightness(1.06); }

.btn-ghost { background: transparent; border-color: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--panel-2); color: var(--text-primary); }

.btn-block { width: 100%; }
.btn-sm { padding: 7px 12px; font-size: 13px; border-radius: 9px; }

.input {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s ease;
}
.input:focus { border-color: var(--accent-1); }
.input:focus-visible { outline: 2px solid var(--accent-1); outline-offset: 1px; }

label.field-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
  display: block;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--border);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.pill.accent { background: rgba(76, 127, 255, 0.12); color: var(--accent-1); border-color: rgba(76, 127, 255, 0.3); }
.pill.warn { background: rgba(255, 107, 74, 0.12); color: var(--warn); border-color: rgba(255, 107, 74, 0.3); }
.pill.success { background: rgba(52, 211, 153, 0.12); color: var(--success); border-color: rgba(52, 211, 153, 0.3); }

.spinner {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent-1);
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.toast-stack {
  position: fixed; bottom: 20px; right: 20px; z-index: 500;
  display: flex; flex-direction: column; gap: 10px;
}
.toast {
  padding: 12px 16px; border-radius: 12px; font-size: 13px; font-weight: 500;
  max-width: 320px; animation: toast-in 0.25s ease;
}
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- brand mark ------------------------------------------------ */

.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 17px;
}
.brand img { width: 26px; height: 26px; filter: drop-shadow(0 0 8px rgba(76,127,255,0.5)); }
.brand .brand-pulse { animation: pulse-glow 2.4s ease-in-out infinite; }
@keyframes pulse-glow {
  0%, 100% { filter: drop-shadow(0 0 6px rgba(76,127,255,0.4)); }
  50% { filter: drop-shadow(0 0 14px rgba(155,107,255,0.75)); }
}

/* =========================================================================
   Auth page (index.html)
   ========================================================================= */

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
}
.auth-hero {
  position: relative;
  display: flex; flex-direction: column; justify-content: center;
  padding: 64px;
  background:
    radial-gradient(circle at 20% 20%, rgba(76,127,255,0.16), transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(155,107,255,0.14), transparent 45%),
    var(--bg-elevated);
  border-right: 1px solid var(--border);
  overflow: hidden;
}
.auth-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 30% 40%, black, transparent 70%);
  opacity: 0.5;
}
.auth-hero .content { position: relative; max-width: 460px; }
.auth-hero h1 { font-size: 40px; line-height: 1.15; margin: 20px 0 14px; }
.auth-hero p { color: var(--text-secondary); font-size: 15px; line-height: 1.6; }
.auth-hero .hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }

.auth-panel {
  display: flex; align-items: center; justify-content: center;
  padding: 40px 24px;
}
.auth-box { width: 100%; max-width: 380px; }
.auth-box h2 { font-size: 24px; margin-bottom: 4px; }
.auth-box .sub { color: var(--text-secondary); font-size: 14px; margin-bottom: 26px; }
.auth-tabs { display: flex; gap: 4px; background: var(--panel-2); padding: 4px; border-radius: 12px; margin-bottom: 24px; }
.auth-tabs button {
  flex: 1; border: none; background: transparent; color: var(--text-secondary);
  padding: 9px; border-radius: 9px; font-weight: 600; font-size: 13px;
  transition: all 0.15s ease;
}
.auth-tabs button.active { background: var(--panel); color: var(--text-primary); box-shadow: var(--shadow); }
.field { margin-bottom: 16px; }
.auth-error {
  display: none;
  background: rgba(255,107,74,0.1); border: 1px solid rgba(255,107,74,0.3);
  color: var(--warn); padding: 10px 12px; border-radius: 10px; font-size: 13px; margin-bottom: 16px;
}
.auth-foot { text-align: center; margin-top: 18px; font-size: 13px; color: var(--text-muted); }

@media (max-width: 860px) {
  .auth-shell { grid-template-columns: 1fr; }
  .auth-hero { display: none; }
}

/* =========================================================================
   App shell (chat.html / admin.html)
   ========================================================================= */

.app-shell { display: flex; height: 100vh; height: 100dvh; overflow: hidden; }

.sidebar {
  width: 272px;
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  transition: transform 0.25s ease;
}
.sidebar-header { padding: 18px 16px 12px; }
.sidebar-search { padding: 0 12px 10px; }
.sidebar-newchat {
  margin: 4px 12px 14px;
}
.sidebar-section {
  padding: 4px 16px 6px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--text-muted);
  margin-top: 10px;
}
.sidebar-scroll { flex: 1; overflow-y: auto; padding-bottom: 10px; }

.chat-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; margin: 2px 8px;
  border-radius: 10px; font-size: 13.5px; color: var(--text-secondary);
  cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: background 0.15s ease, color 0.15s ease;
}
.chat-item:hover { background: var(--panel-2); color: var(--text-primary); }
.chat-item.active { background: var(--panel-2); color: var(--text-primary); }
.chat-item .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-1); flex-shrink: 0; opacity: 0; }
.chat-item.pending .dot { opacity: 1; }

.tool-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; margin: 2px 8px;
  border-radius: 10px; font-size: 13.5px; color: var(--text-secondary);
  cursor: pointer;
}
.tool-item:hover { background: var(--panel-2); color: var(--text-primary); }
.tool-item .badge-soon {
  margin-left: auto; font-size: 10px; padding: 2px 6px; border-radius: 6px;
  background: var(--panel-2); color: var(--text-muted); border: 1px solid var(--border);
}

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 12px;
  display: flex; align-items: center; gap: 10px;
}
.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent-gradient);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 13px; flex-shrink: 0;
}
.sidebar-footer .who { flex: 1; min-width: 0; }
.sidebar-footer .who .name { font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-footer .who .plan { font-size: 11.5px; color: var(--text-muted); }

/* main column */
.main-col { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
  height: 60px; flex-shrink: 0;
  display: flex; align-items: center; gap: 10px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.topbar .sidebar-toggle { display: none; }
.topbar-spacer { flex: 1; }

.selector {
  position: relative;
}
.selector-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--panel); border: 1px solid var(--border);
  padding: 8px 12px; border-radius: 11px; font-size: 13px; font-weight: 600;
  color: var(--text-primary);
}
.selector-btn:hover { border-color: var(--border-strong); }
.selector-btn .chev { color: var(--text-muted); font-size: 10px; }

.selector-menu {
  position: absolute; top: calc(100% + 8px); left: 0;
  width: 300px; z-index: 60;
  border-radius: 14px; padding: 8px;
  display: none;
  box-shadow: var(--shadow);
}
.selector-menu.open { display: block; animation: pop-in 0.15s ease; }
@keyframes pop-in { from { opacity: 0; transform: translateY(-6px) scale(0.98); } to { opacity: 1; transform: none; } }

.selector-option {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 10px; border-radius: 10px;
  cursor: pointer;
}
.selector-option:hover { background: var(--panel-2); }
.selector-option.locked { opacity: 0.45; cursor: not-allowed; }
.selector-option .icon { font-size: 17px; line-height: 1.3; }
.selector-option .txt .t1 { font-size: 13.5px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.selector-option .txt .t2 { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.selector-option .check { margin-left: auto; color: var(--accent-1); font-size: 14px; }

/* messages */
.chat-scroll { flex: 1; overflow-y: auto; }
.chat-inner { max-width: 760px; margin: 0 auto; padding: 24px 20px 12px; }

.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; height: 100%; min-height: 60vh; padding: 20px;
}
.empty-state img { width: 46px; height: 46px; margin-bottom: 18px; }
.empty-state h2 { font-size: 22px; margin-bottom: 8px; }
.empty-state p { color: var(--text-secondary); font-size: 14px; max-width: 420px; }
.suggestion-row { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 22px; }
.suggestion-chip {
  background: var(--panel); border: 1px solid var(--border);
  padding: 9px 14px; border-radius: 12px; font-size: 13px; color: var(--text-secondary);
}
.suggestion-chip:hover { border-color: var(--border-strong); color: var(--text-primary); }

.msg-row { display: flex; gap: 12px; margin-bottom: 22px; animation: msg-in 0.25s ease; }
@keyframes msg-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.msg-row.user { flex-direction: row-reverse; }
.msg-avatar {
  width: 30px; height: 30px; border-radius: 9px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; color: #fff;
}
.msg-avatar.ai { background: var(--accent-gradient); }
.msg-avatar.user { background: var(--panel-2); color: var(--text-primary); border: 1px solid var(--border); }

.msg-col { max-width: 78%; display: flex; flex-direction: column; }
.msg-row.user .msg-col { align-items: flex-end; }
.msg-bubble {
  padding: 12px 15px; border-radius: 16px; font-size: 14.5px; line-height: 1.65;
}
.msg-row.ai .msg-bubble { background: var(--panel); border: 1px solid var(--border); border-top-left-radius: 4px; }
.msg-row.user .msg-bubble { background: var(--accent-gradient); color: #fff; border-top-right-radius: 4px; }
.msg-bubble p { margin: 0 0 10px; }
.msg-bubble p:last-child { margin-bottom: 0; }
.msg-bubble ul { margin: 0 0 10px 18px; padding: 0; }
.msg-bubble .inline-code {
  background: rgba(120,130,160,0.16); padding: 1px 6px; border-radius: 5px; font-size: 13px;
}
.code-block {
  background: #0d1018; border: 1px solid var(--border); border-radius: 10px;
  overflow: hidden; margin: 10px 0; font-size: 13px;
}
.code-block-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 7px 12px; background: rgba(255,255,255,0.03); color: var(--text-muted); font-size: 11.5px;
}
.copy-code-btn { background: none; border: none; color: var(--text-muted); font-size: 11.5px; }
.copy-code-btn:hover { color: var(--text-primary); }
.code-block pre { margin: 0; padding: 12px; overflow-x: auto; color: #d9e2ff; }

.msg-meta { display: flex; align-items: center; gap: 6px; margin-top: 6px; }
.msg-time { font-size: 11px; color: var(--text-muted); }
.msg-actions { display: flex; gap: 2px; opacity: 0; transition: opacity 0.15s ease; }
.msg-row:hover .msg-actions { opacity: 1; }
.msg-icon-btn {
  width: 26px; height: 26px; border: none; background: transparent; border-radius: 7px;
  display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 13px;
}
.msg-icon-btn:hover { background: var(--panel-2); color: var(--text-primary); }
.msg-icon-btn.active { color: var(--accent-1); }

.typing-row { display: flex; gap: 12px; margin-bottom: 22px; }
.typing-dots { display: flex; gap: 4px; padding: 14px 16px; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; border-top-left-radius: 4px; }
.typing-dots span { width: 6px; height: 6px; border-radius: 50%; background: var(--text-muted); animation: bounce 1.1s infinite ease-in-out; }
.typing-dots span:nth-child(2) { animation-delay: 0.15s; }
.typing-dots span:nth-child(3) { animation-delay: 0.3s; }
@keyframes bounce { 0%, 60%, 100% { transform: translateY(0); opacity: 0.5; } 30% { transform: translateY(-4px); opacity: 1; } }
.typing-label { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* input bar */
.input-bar-wrap { padding: 10px 20px 18px; }
.input-bar {
  max-width: 760px; margin: 0 auto;
  border-radius: 20px; padding: 10px 10px 10px 16px;
  display: flex; align-items: flex-end; gap: 8px;
}
.input-bar textarea {
  flex: 1; resize: none; border: none; outline: none; background: transparent;
  color: var(--text-primary); font-family: inherit; font-size: 14.5px; line-height: 1.5;
  max-height: 160px; padding: 10px 0;
}
.input-bar textarea::placeholder { color: var(--text-muted); }
.input-tools { display: flex; align-items: center; gap: 2px; }
.tool-btn {
  width: 34px; height: 34px; border-radius: 10px; border: none; background: transparent;
  display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 15px;
}
.tool-btn:hover { background: var(--panel-2); color: var(--text-primary); }
.send-btn {
  width: 36px; height: 36px; border-radius: 11px; border: none;
  background: var(--accent-gradient); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 15px;
  transition: opacity 0.15s ease, transform 0.1s ease;
}
.send-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.send-btn:not(:disabled):active { transform: scale(0.94); }
.input-foot {
  display: flex; justify-content: space-between; align-items: center;
  max-width: 760px; margin: 8px auto 0; font-size: 11.5px; color: var(--text-muted); padding: 0 4px;
}
.usage-bar-track { width: 120px; height: 4px; border-radius: 4px; background: var(--panel-2); overflow: hidden; }
.usage-bar-fill { height: 100%; background: var(--accent-gradient); }

.limit-banner {
  max-width: 760px; margin: 0 auto 10px; padding: 12px 16px; border-radius: 12px;
  background: rgba(255,107,74,0.1); border: 1px solid rgba(255,107,74,0.3);
  color: var(--warn); font-size: 13px; display: flex; align-items: center; justify-content: space-between; gap: 12px;
}

/* mobile */
@media (max-width: 860px) {
  .sidebar { position: fixed; z-index: 80; height: 100%; transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow); }
  .topbar .sidebar-toggle { display: flex; }
  .msg-col { max-width: 88%; }
  .scrim { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 70; }
  .scrim.open { display: block; }
}

/* =========================================================================
   Settings modal
   ========================================================================= */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(6,8,14,0.55); z-index: 200;
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-backdrop.open { display: flex; animation: fade-in 0.15s ease; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.modal {
  width: 100%; max-width: 460px; border-radius: 18px; padding: 22px;
  animation: pop-in 0.18s ease;
}
.modal-head { display: flex; align-items: center; justify-content: between; margin-bottom: 18px; }
.modal-head h3 { flex: 1; font-size: 18px; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 18px; }
.settings-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}
.settings-row:last-child { border-bottom: none; }
.settings-row .lbl { font-size: 14px; font-weight: 500; }
.settings-row .sub-lbl { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.theme-toggle {
  width: 46px; height: 26px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border);
  position: relative; padding: 2px;
}
.theme-toggle .knob {
  width: 20px; height: 20px; border-radius: 50%; background: var(--accent-gradient);
  transition: transform 0.2s ease;
}
[data-theme="dark"] .theme-toggle .knob { transform: translateX(0); }
[data-theme="light"] .theme-toggle .knob { transform: translateX(20px); }

/* =========================================================================
   Pricing page
   ========================================================================= */
.pricing-shell { max-width: 1080px; margin: 0 auto; padding: 60px 24px 100px; }
.pricing-head { text-align: center; margin-bottom: 44px; }
.pricing-head h1 { font-size: 34px; margin-bottom: 10px; }
.pricing-head p { color: var(--text-secondary); font-size: 15px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.plan-card { padding: 26px; display: flex; flex-direction: column; position: relative; }
.plan-card.featured { border: 1px solid var(--accent-1); box-shadow: 0 0 0 1px var(--accent-1), var(--shadow); }
.plan-card .tag { position: absolute; top: -11px; right: 22px; background: var(--accent-gradient); color: #fff; font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.plan-card h3 { font-size: 19px; margin-bottom: 4px; }
.plan-card .price { font-family: "Space Grotesk", sans-serif; font-size: 34px; font-weight: 700; margin: 10px 0 2px; }
.plan-card .price span { font-size: 14px; color: var(--text-muted); font-weight: 500; }
.plan-card .desc { color: var(--text-secondary); font-size: 13px; margin-bottom: 18px; }
.plan-feats { list-style: none; padding: 0; margin: 0 0 22px; flex: 1; }
.plan-feats li { display: flex; gap: 8px; font-size: 13.5px; padding: 7px 0; color: var(--text-secondary); }
.plan-feats li b { color: var(--text-primary); font-weight: 600; }
.plan-feats li .ico { color: var(--success); flex-shrink: 0; }

.compare-table-wrap { margin-top: 60px; overflow-x: auto; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.compare-table th, .compare-table td { padding: 12px 16px; text-align: left; font-size: 13.5px; border-bottom: 1px solid var(--border); }
.compare-table th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.compare-table td.center, .compare-table th.center { text-align: center; }

@media (max-width: 780px) {
  .pricing-grid { grid-template-columns: 1fr; }
}

/* =========================================================================
   Admin page
   ========================================================================= */
.admin-tabs { display: flex; gap: 6px; padding: 14px 20px 0; border-bottom: 1px solid var(--border); }
.admin-tab { padding: 10px 14px; border-radius: 10px 10px 0 0; font-size: 13.5px; font-weight: 600; color: var(--text-secondary); border: none; background: none; }
.admin-tab.active { color: var(--text-primary); background: var(--panel); box-shadow: inset 0 -2px 0 var(--accent-1); }
.admin-body { padding: 20px; overflow-y: auto; flex: 1; }
.admin-grid { display: grid; grid-template-columns: 340px 1fr; gap: 16px; height: 100%; }
.queue-list { overflow-y: auto; padding-right: 4px; }
.queue-item { padding: 12px 14px; border-radius: 12px; margin-bottom: 8px; cursor: pointer; }
.queue-item:hover { border-color: var(--border-strong); }
.queue-item.active { border-color: var(--accent-1); }
.queue-item .who { font-size: 12.5px; font-weight: 700; margin-bottom: 3px; }
.queue-item .prev { font-size: 12.5px; color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.queue-item .meta { display: flex; gap: 6px; margin-top: 6px; }

.reply-panel { display: flex; flex-direction: column; padding: 16px; }
.reply-thread { flex: 1; overflow-y: auto; margin-bottom: 12px; }
.reply-box { display: flex; gap: 8px; align-items: flex-end; }
.reply-box textarea { flex: 1; min-height: 70px; }

.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 13px; text-align: left; }
.data-table th { color: var(--text-muted); font-weight: 600; font-size: 11.5px; text-transform: uppercase; }

.empty-mini { text-align: center; padding: 40px 20px; color: var(--text-muted); font-size: 13.5px; }

.gate-shell { min-height: 100vh; min-height: 100dvh; display: flex; align-items: center; justify-content: center; padding: 24px; }

/* =========================================================================
   Brain admin (knowledge / memory / rules / categories)
   ========================================================================= */

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.stat-card { padding: 18px; }
.stat-card .stat-label { font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); margin-bottom: 8px; }
.stat-card .stat-value { font-family: "Space Grotesk", sans-serif; font-size: 30px; font-weight: 700; }
.stat-card .stat-sub { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }
@media (max-width: 860px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }

.subtabs { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.subtab { padding: 8px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; color: var(--text-secondary); border: 1px solid var(--border); background: var(--panel-2); }
.subtab.active { color: #fff; background: var(--accent-gradient); border-color: transparent; }

.brain-toolbar { display: flex; gap: 10px; margin-bottom: 16px; align-items: center; flex-wrap: wrap; }
.brain-toolbar .input { max-width: 320px; }
.brain-toolbar .spacer { flex: 1; }

.kw-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.kw-tag { background: var(--panel-2); border: 1px solid var(--border); color: var(--text-secondary); font-size: 11.5px; padding: 2px 8px; border-radius: 999px; }

.row-actions { display: flex; gap: 6px; }

.switch { width: 40px; height: 22px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); position: relative; flex-shrink: 0; }
.switch .knob { position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: var(--text-muted); transition: transform 0.15s ease, background 0.15s ease; }
.switch.on { background: rgba(52, 211, 153, 0.15); border-color: rgba(52, 211, 153, 0.4); }
.switch.on .knob { transform: translateX(18px); background: var(--success); }

.modal.modal-lg { max-width: 640px; }
.modal-body { max-height: 62vh; overflow-y: auto; padding-right: 2px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
textarea.input { resize: vertical; min-height: 90px; font-family: inherit; }

.truncate-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

@media (max-width: 620px) {
  .admin-grid { grid-template-columns: 1fr; }
  .data-table { display: block; overflow-x: auto; white-space: nowrap; }
}

/* ---- SVG icon system (replaces emoji icons) ---- */
svg.icon{flex:none;vertical-align:-2px;display:inline-block}
svg.icon.fill{fill:currentColor}


/* ---- Responsive fixes: no cut-off on phones ---- */
.topbar { padding-top: calc(10px + env(safe-area-inset-top, 0px)); }
.admin-body { padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px)); }
@media (max-width: 860px) {
  .admin-grid { grid-template-columns: 1fr; height: auto; }
  .queue-list { max-height: 40vh; }
  .data-table-wrap, .compare-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .data-table { min-width: 640px; }
  .admin-tabs { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .admin-tab { white-space: nowrap; }
}

/* =========================================================================
   DESIGN REFRESH — "Zallixor Aurora"
   One signature idea: a living aurora field behind the whole app — the same
   nebula the constellation logo lives in. Everything else stays quiet:
   glass panels, soft depth, one gradient used with restraint.
   ========================================================================= */

[data-theme="dark"] {
  --bg: #05070f;
  --bg-elevated: #0a0e1a;
  --panel: rgba(148, 163, 216, 0.055);
  --panel-2: rgba(148, 163, 216, 0.10);
  --border: rgba(164, 180, 234, 0.10);
  --border-strong: rgba(164, 180, 234, 0.20);
  --text-primary: #eef1fb;
  --text-secondary: #a3abc6;
  --text-muted: #6b7390;
  --accent-1: #5b8cff;
  --accent-2: #a06bff;
  --accent-3: #33d6e8;
  --accent-gradient: linear-gradient(135deg, #5b8cff, #a06bff 60%, #d16bff);
  --shadow: 0 12px 40px rgba(2, 4, 12, 0.55);
  --glass-bg: rgba(9, 13, 26, 0.66);
  --aurora-a: rgba(91, 140, 255, 0.16);
  --aurora-b: rgba(160, 107, 255, 0.13);
  --aurora-c: rgba(51, 214, 232, 0.07);
}

[data-theme="light"] {
  --bg: #f3f4fb;
  --bg-elevated: #fbfcff;
  --panel: rgba(255, 255, 255, 0.85);
  --panel-2: rgba(96, 110, 180, 0.08);
  --border: rgba(28, 34, 68, 0.10);
  --border-strong: rgba(28, 34, 68, 0.18);
  --text-primary: #171b2e;
  --text-secondary: #4b5273;
  --text-muted: #828aa6;
  --accent-1: #3d6bec;
  --accent-2: #8250e8;
  --accent-3: #0aa8bd;
  --accent-gradient: linear-gradient(135deg, #3d6bec, #8250e8 60%, #b14fe0);
  --shadow: 0 12px 36px rgba(38, 46, 90, 0.12);
  --glass-bg: rgba(251, 252, 255, 0.78);
  --aurora-a: rgba(61, 107, 236, 0.10);
  --aurora-b: rgba(130, 80, 232, 0.08);
  --aurora-c: rgba(10, 168, 189, 0.06);
}

/* ---- The aurora field (signature) ---- */
body::before {
  content: "";
  position: fixed;
  inset: -20%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(38% 32% at 18% 12%, var(--aurora-a), transparent 70%),
    radial-gradient(34% 30% at 85% 20%, var(--aurora-b), transparent 70%),
    radial-gradient(30% 26% at 70% 88%, var(--aurora-c), transparent 70%);
  animation: aurora-drift 26s ease-in-out infinite alternate;
}
@keyframes aurora-drift {
  from { transform: translate3d(-1.5%, -1%, 0) scale(1); }
  to   { transform: translate3d(1.5%, 1.5%, 0) scale(1.06); }
}
.app-shell, .auth-shell, .gate-shell, .pricing-shell, body > .topbar { position: relative; z-index: 1; }

/* ---- Glass surfaces ---- */
.sidebar {
  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(1.3);
  -webkit-backdrop-filter: blur(18px) saturate(1.3);
  border-right: 1px solid var(--border);
}
.topbar {
  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(1.3);
  -webkit-backdrop-filter: blur(18px) saturate(1.3);
  border-bottom: 1px solid var(--border);
}
.modal, .toast {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
}

/* ---- Brand ---- */
.brand span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-weight: 700;
  letter-spacing: 0.01em;
}

/* ---- Buttons ---- */
.btn-primary {
  background: var(--accent-gradient);
  border: none;
  box-shadow: 0 4px 18px rgba(91, 140, 255, 0.28);
  transition: box-shadow 0.2s ease, transform 0.15s ease, filter 0.2s ease;
}
.btn-primary:hover { box-shadow: 0 6px 24px rgba(122, 116, 255, 0.42); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0) scale(0.99); }

/* ---- Selector pills in the topbar ---- */
.selector-btn {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.selector-btn:hover { border-color: var(--border-strong); background: var(--panel-2); }
.selector-menu {
  border-radius: 16px;
  box-shadow: var(--shadow), 0 0 0 1px var(--border);
  overflow: hidden;
}
.selector-option.locked { opacity: 0.55; }
.selector-option .check { color: var(--accent-1); }

/* ---- Messages ---- */
.msg-avatar.ai {
  background:
    linear-gradient(var(--bg-elevated), var(--bg-elevated)) padding-box,
    var(--accent-gradient) border-box;
  border: 1.5px solid transparent;
  color: var(--text-primary);
  font-weight: 700;
  box-shadow: 0 0 14px rgba(122, 116, 255, 0.20);
}
.msg-row { animation: msg-in 0.28s ease both; }
@keyframes msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}
.msg-row.user .msg-bubble {
  background: linear-gradient(135deg, rgba(91, 140, 255, 0.16), rgba(160, 107, 255, 0.14));
  border: 1px solid rgba(122, 116, 255, 0.22);
  border-radius: 18px 18px 4px 18px;
  padding: 11px 15px;
}
[data-theme="light"] .msg-row.user .msg-bubble {
  background: linear-gradient(135deg, rgba(61, 107, 236, 0.10), rgba(130, 80, 232, 0.09));
  border-color: rgba(61, 107, 236, 0.20);
}
.msg-row.ai .msg-bubble {
  border-left: 2px solid transparent;
  border-image: linear-gradient(180deg, var(--accent-1), transparent 85%) 1;
  padding-left: 14px;
}
.msg-bubble .code-block { border-radius: 14px; overflow: hidden; border: 1px solid var(--border); }

/* ---- Input bar ---- */
.input-bar {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border: 1px solid var(--border);
  border-radius: 22px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.input-bar:focus-within {
  border-color: rgba(122, 116, 255, 0.45);
  box-shadow: 0 0 0 3px rgba(122, 116, 255, 0.12), 0 10px 34px rgba(2, 4, 12, 0.35);
}
.send-btn {
  background: var(--accent-gradient);
  border-radius: 999px;
  box-shadow: 0 3px 14px rgba(122, 116, 255, 0.35);
  transition: transform 0.12s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}
.send-btn:not(:disabled):hover { box-shadow: 0 5px 20px rgba(122, 116, 255, 0.5); }

/* ---- Empty state ---- */
.empty-state img {
  width: 60px; height: 60px;
  filter: drop-shadow(0 0 22px rgba(122, 116, 255, 0.55));
  animation: logo-float 5s ease-in-out infinite;
}
@keyframes logo-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}
.empty-state h2 { font-size: 26px; letter-spacing: -0.02em; }
.suggestion-chip {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.suggestion-chip:hover {
  transform: translateY(-2px);
  border-color: rgba(122, 116, 255, 0.45);
  background: var(--panel-2);
}

/* ---- Sidebar items ---- */
.chat-item { border-radius: 12px; transition: background 0.12s ease; }
.chat-item.active {
  background: linear-gradient(90deg, rgba(91, 140, 255, 0.14), transparent);
  box-shadow: inset 2px 0 0 var(--accent-1);
}
.tool-item { border-radius: 12px; }
.tool-item:hover { background: var(--panel-2); }
.sidebar-section { letter-spacing: 0.09em; }

/* ---- Usage bar ---- */
.usage-bar-fill { background: var(--accent-gradient); box-shadow: 0 0 8px rgba(122, 116, 255, 0.5); }

/* ---- Pricing ---- */
.plan-card { border-radius: 20px; transition: transform 0.18s ease, box-shadow 0.18s ease; }
.plan-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.plan-card.featured {
  background:
    linear-gradient(var(--bg-elevated), var(--bg-elevated)) padding-box,
    var(--accent-gradient) border-box;
  border: 1.5px solid transparent;
  box-shadow: 0 14px 44px rgba(122, 116, 255, 0.22);
}
.plan-card .price { font-family: "Space Grotesk", sans-serif; }

/* ---- Auth hero ---- */
.auth-hero h1 { font-size: 42px; letter-spacing: -0.025em; }
.hero-tags .pill.accent { background: var(--accent-gradient); color: #fff; border: none; }

/* ---- Scrollbar / caret / toast polish ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
.type-caret { background: var(--accent-gradient); }
.toast { border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); }

/* Aurora sits behind everything; never animate for reduced-motion users */
@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
  .empty-state img { animation: none; }
}

/* ---- Datasets (Brain) ---- */
.field-hint { font-size: 12px; color: var(--text-muted); margin-top: 6px; line-height: 1.4; }
.ds-list { display: flex; flex-direction: column; gap: 8px; max-height: 340px; overflow-y: auto; }
.ds-row { display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel-2); }
.ds-row-main { min-width: 0; }
.ds-row-name { font-weight: 600; font-size: 14px; }
.ds-row-desc { font-size: 12.5px; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 320px; }