:root {
  --bg: #07080f;
  --bg-elevated: #0e1019;
  --glass: rgba(18, 20, 32, 0.72);
  --glass-border: rgba(255, 255, 255, 0.08);
  --accent: #6ee7b7;
  --accent-dim: rgba(110, 231, 183, 0.15);
  --accent-2: #a78bfa;
  --gold: #fbbf24;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --error: #f87171;
  --radius: 14px;
  --radius-sm: 10px;
  --font: 'Outfit', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
}

.hidden { display: none !important; }

.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(110, 231, 183, 0.12), transparent),
    radial-gradient(ellipse 60% 50% at 90% 10%, rgba(167, 139, 250, 0.1), transparent),
    radial-gradient(ellipse 50% 40% at 50% 100%, rgba(251, 191, 36, 0.06), transparent),
    var(--bg);
}

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}

.glass-inner {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
}

.brand {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--bg);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.brand-icon-lg {
  width: 56px;
  height: 56px;
  font-size: 1.5rem;
  border-radius: 16px;
  margin: 0 auto 1rem;
}

.brand-tag {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s, background 0.15s;
}

.btn:hover { border-color: rgba(110, 231, 183, 0.4); transform: translateY(-1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.btn-primary {
  background: linear-gradient(135deg, #34d399, #6ee7b7);
  border-color: transparent;
  color: #042f2e;
  font-weight: 600;
}

.btn-primary:hover { filter: brightness(1.05); border-color: transparent; }

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}

.btn-ghost:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }

.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.8rem; }

.btn-generate {
  position: relative;
  width: 100%;
  padding: 0.9rem;
  font-size: 1rem;
  overflow: hidden;
}

.btn-shine {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.25) 50%, transparent 60%);
  transform: translateX(-100%);
  animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
  0%, 80% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@media (prefers-reduced-motion: reduce) {
  .btn-shine { animation: none; }
}

/* Inputs */
.input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.input:focus {
  outline: none;
  border-color: rgba(110, 231, 183, 0.5);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.input-lg { resize: vertical; min-height: 100px; }

select.input { cursor: pointer; }

/* Login */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  min-height: 100vh;
  position: relative;
}

.login-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  padding: 2.5rem 2rem;
  text-align: center;
  z-index: 1;
  overflow: hidden;
}

.login-glow {
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--accent-dim), transparent 70%);
  pointer-events: none;
}

.login-subtitle { color: var(--muted); margin: 0.5rem 0 1.75rem; }
.login-note { color: var(--muted); font-size: 0.8rem; margin-top: 1.25rem; }
.btn-discord { width: 100%; margin-top: 0.5rem; }

.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  text-align: left;
}

.alert-error {
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: var(--error);
}

/* App layout */
.app-body { position: relative; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.5rem;
  background: rgba(7, 8, 15, 0.85);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
  margin-right: 1rem;
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-link.active { color: var(--accent); background: var(--accent-dim); }

/* Chat */
.chat-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1rem;
  padding: 1rem 1.5rem 2rem;
  min-height: calc(100vh - 64px);
}

.chat-sidebar { padding: 1rem; display: flex; flex-direction: column; gap: 0.75rem; max-height: calc(100vh - 96px); }
.chat-list { list-style: none; overflow-y: auto; flex: 1; display: flex; flex-direction: column; gap: 0.25rem; }
.chat-list-item {
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-list-item:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.chat-list-item.active { background: var(--accent-dim); color: var(--accent); }

.chat-main { display: flex; flex-direction: column; min-height: calc(100vh - 96px); }
.chat-messages { flex: 1; overflow-y: auto; padding: 1.25rem; display: flex; flex-direction: column; gap: 1rem; }
.chat-welcome { text-align: center; margin: auto; color: var(--muted); max-width: 420px; }
.chat-welcome h2 { color: var(--text); margin-bottom: 0.5rem; font-size: 1.2rem; }

.chat-bubble { max-width: 85%; padding: 0.85rem 1rem; border-radius: var(--radius); }
.chat-bubble-user { align-self: flex-end; background: var(--accent-dim); border: 1px solid rgba(110,231,183,0.25); }
.chat-bubble-assistant { align-self: flex-start; background: rgba(255,255,255,0.04); border: 1px solid var(--glass-border); }
.chat-role { display: block; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 0.35rem; }
.chat-content { font-size: 0.95rem; line-height: 1.6; white-space: pre-wrap; word-break: break-word; }

.chat-input-row {
  display: flex;
  gap: 0.75rem;
  padding: 1rem;
  border-top: 1px solid var(--glass-border);
  align-items: flex-end;
}
.chat-input { flex: 1; resize: none; min-height: 44px; max-height: 160px; font-size: 16px; }
.chat-menu-btn { display: none; margin-right: 0.25rem; }
.btn-icon { min-width: 44px; min-height: 44px; padding: 0; font-size: 1.2rem; flex-shrink: 0; }
.btn-send { min-width: 44px; min-height: 44px; padding: 0; border-radius: 50%; font-size: 1.1rem; font-weight: 700; flex-shrink: 0; }

.chat-status {
  padding: 0.45rem 1rem;
  font-size: 0.78rem;
  color: var(--muted);
  border-bottom: 1px solid var(--glass-border);
}
.chat-status-loading { color: var(--accent); }
.chat-status-ok { color: #86efac; }
.chat-status-error { color: #fca5a5; }

.chat-hint-warn { color: var(--accent); opacity: 0.85; margin-top: 0.35rem; }

.chat-attachments { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.5rem; }
.chat-att-img { max-width: 200px; max-height: 160px; border-radius: var(--radius-sm); object-fit: cover; }
.chat-att-file { font-size: 0.82rem; color: var(--muted); }

.attachment-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.5rem 1rem 0;
}
.att-chip {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.5rem;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
}
.att-chip img { width: 36px; height: 36px; object-fit: cover; border-radius: 4px; }
.att-chip button { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 1rem; padding: 0 0.25rem; }

.typing-cursor { animation: blink 0.8s step-end infinite; color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }

.chat-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 90;
}
.chat-sidebar-backdrop:not(.hidden) { display: block; }

.chat-page .chat-layout {
  padding-bottom: max(1rem, env(safe-area-inset-bottom));
}
.chat-page .chat-input-row {
  padding-bottom: max(1rem, env(safe-area-inset-bottom));
}

/* Admin */
.admin-layout { position: relative; z-index: 1; padding: 1rem 1.5rem 2rem; display: flex; flex-direction: column; gap: 1rem; }
.admin-status { padding: 1.25rem; }
.admin-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.admin-panel { padding: 1.25rem; display: flex; flex-direction: column; gap: 0.65rem; }
.admin-panel-wide { grid-column: span 2; }
.admin-title { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.25rem; }
.mono-area { font-family: var(--mono); font-size: 0.8rem; line-height: 1.45; }
.admin-json { min-height: 280px; }
.status-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.5rem; }
.admin-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.user-pill {
  font-size: 0.8rem;
  color: var(--muted);
  padding: 0.35rem 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 999px;
  border: 1px solid var(--glass-border);
}

.studio {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(320px, 420px) 1fr;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
  align-items: start;
}

.panel-form { padding: 1.25rem; }

.image-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.label-hint {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  opacity: 0.7;
}

.form-row {
  display: grid;
  gap: 0.75rem;
}

.form-row-3 { grid-template-columns: repeat(3, 1fr); }
.form-row-2 { grid-template-columns: 1fr 1fr; }

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
  cursor: pointer;
}

.lora-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lora-combos {
  margin-bottom: 0.6rem;
}

.chip-combo {
  border-color: var(--accent, #5eb3d6);
  font-weight: 600;
}

.lora-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.35rem 0;
}

.lora-scale {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
}

.lora-range {
  flex: 1;
  accent-color: var(--accent);
}

.lora-scale-val {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  width: 2.5rem;
  text-align: right;
}

.dims-row { margin-top: 0.5rem; }

.form-note {
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
}

.advanced-settings { padding: 0.85rem; }

.advanced-settings summary {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  list-style: none;
}

.advanced-settings summary::-webkit-details-marker { display: none; }

.summary-hint { font-size: 0.75rem; color: var(--muted); font-weight: 400; }

.advanced-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1rem;
}

.form-group-wide { grid-column: 1 / -1; }

.seed-row {
  display: flex;
  gap: 0.5rem;
}

.seed-row .input { flex: 1; }

/* Pills & chips */
.pill-group, .chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill {
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.25);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font);
}

.pill:hover { border-color: rgba(110, 231, 183, 0.35); color: var(--text); }

.pill.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

.pill-desc {
  display: block;
  font-size: 0.68rem;
  opacity: 0.75;
  margin-top: 0.1rem;
}

.chip {
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.25);
  color: var(--muted);
  font-size: 0.8rem;
  cursor: pointer;
  font-family: var(--font);
}

.chip.selected {
  border-color: var(--accent-2);
  color: var(--accent-2);
  background: rgba(167, 139, 250, 0.12);
}

/* Result */
.panel-output {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
}

.image-result {
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.result-empty {
  text-align: center;
  color: var(--muted);
  padding: 2rem;
}

.result-empty-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  opacity: 0.4;
}

.result-empty-hint {
  display: block;
  font-size: 0.8rem;
  margin-top: 0.5rem;
  color: var(--accent);
  opacity: 0.8;
}

.image-result img {
  max-width: 100%;
  max-height: min(70vh, 640px);
  display: block;
  border-radius: var(--radius-sm);
}

.image-result-inner { width: 100%; padding: 1rem; }

.image-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.85rem;
  justify-content: center;
}

.generating-state {
  text-align: center;
  padding: 2rem;
}

.generating-timer {
  font-family: var(--mono);
  font-size: 1.5rem;
  color: var(--accent);
  margin-top: 1rem;
}

.generating-label {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.meta-badge {
  font-size: 0.75rem;
  font-family: var(--mono);
  padding: 0.35rem 0.65rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  color: var(--muted);
}

.meta-discord.ok { color: var(--accent); border-color: rgba(110, 231, 183, 0.3); }
.meta-discord.fail { color: var(--error); }

/* Gallery & history */
.gallery-section, .history-section { padding: 1rem; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.empty-state {
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 1.5rem;
}

.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.65rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  aspect-ratio: 1;
  transition: transform 0.15s;
}

.gallery-item:hover { transform: scale(1.02); }

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
}

.gallery-item-actions {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.35rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  display: flex;
  gap: 0.25rem;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s;
}

.gallery-item:hover .gallery-item-actions { opacity: 1; }

.prompt-history {
  list-style: none;
  max-height: 180px;
  overflow-y: auto;
}

.prompt-history li {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--glass-border);
  font-size: 0.82rem;
  color: var(--muted);
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: background 0.1s, color 0.1s;
}

.prompt-history li:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  padding: 0.85rem 1.25rem;
  background: var(--glass);
  border: 1px solid rgba(110, 231, 183, 0.35);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.85rem;
  z-index: 1000;
  backdrop-filter: blur(12px);
  animation: fade-in 0.2s;
  box-shadow: var(--shadow);
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Loading */
.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto;
}

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

@media (prefers-reduced-motion: reduce) {
  .spinner { animation: none; border-top-color: var(--accent); }
}

/* Responsive */
@media (max-width: 960px) {
  .studio {
    grid-template-columns: 1fr;
    padding: 1rem;
  }

  .chat-layout { grid-template-columns: 1fr; padding: 0.75rem; gap: 0; }
  .chat-menu-btn { display: inline-flex; }
  .chat-sidebar {
    position: fixed;
    left: 0;
    top: 64px;
    bottom: 0;
    width: min(300px, 88vw);
    z-index: 100;
    max-height: none;
    transform: translateX(-105%);
    transition: transform 0.25s ease;
    border-radius: 0;
  }
  .chat-sidebar.open { transform: translateX(0); }
  .chat-main { min-height: calc(100dvh - 64px); border-radius: var(--radius); }
  .chat-messages { padding: 1rem 0.85rem; }
  .chat-bubble { max-width: 92%; }
  .topbar-nav { display: none; }
  .admin-grid { grid-template-columns: 1fr; }
  .admin-panel-wide { grid-column: span 1; }

  .form-row-3 { grid-template-columns: 1fr; }

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

  .image-result { min-height: 280px; }
}

@media (max-width: 480px) {
  .topbar { padding: 0.75rem 1rem; }
  .user-pill { display: none; }
  .chat-input-row { gap: 0.5rem; padding: 0.75rem; }
  .brand-tag { display: none; }
}