/* ============================================================
   KIRA-ADMIN — Shared design system with Kirabot
   Dark canvas, xAI-inspired, with accent highlights
   ============================================================ */

/* ── Reset & Base ──────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* Canvas & Surfaces */
  --canvas:        #0a0a0a;
  --canvas-soft:   #111315;
  --canvas-card:   #191919;
  --canvas-mid:    #2a2d32;
  --hairline:      #2a2c30;

  /* Text */
  --ink:           #ffffff;
  --ink-dim:       #8b8f97;
  --body:          #dadbdf;

  /* Accents */
  --accent-sunset:  #ff7a17;
  --accent-danger:  #ef4444;
  --accent-danger-hover: #dc2626;
  --accent-green:   #22c55e;

  /* Spacing */
  --space-xs:   4px;
  --space-sm:   8px;
  --space-md:   12px;
  --space-lg:   16px;
  --space-xl:   24px;
  --space-2xl:  32px;

  /* Radius */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, sans-serif;
  background: var(--canvas);
  color: var(--body);
  line-height: 1.5;
  min-height: 100vh;
  overflow: hidden;
}

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

/* ── Login Screen ──────────────────────────────── */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--canvas);
}

.login-card {
  text-align: center;
  padding: var(--space-2xl);
}

.login-avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.login-card h1 {
  font-size: 1.5rem;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.login-subtitle {
  color: var(--ink-dim);
  font-size: 0.875rem;
  margin-bottom: var(--space-xl);
}

#loginForm {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 280px;
  margin: 0 auto;
}

#adminPassword {
  background: var(--canvas-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  color: var(--ink);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s;
}

#adminPassword:focus {
  border-color: var(--accent-sunset);
}

.btn-primary {
  background: var(--accent-sunset);
  color: #000;
  border: none;
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-xl);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn-primary:hover { opacity: 0.85; }

.login-error {
  color: var(--accent-danger);
  font-size: 0.8rem;
  margin-top: var(--space-sm);
}

/* ── Main Panel Layout ─────────────────────────── */
.main-panel {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* Top Bar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-xl);
  border-bottom: 1px solid var(--hairline);
  background: var(--canvas-soft);
  flex-shrink: 0;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.topbar-left h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

.topbar-badge {
  font-size: 0.7rem;
  background: var(--canvas-mid);
  color: var(--ink-dim);
  padding: 2px 8px;
  border-radius: 999px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ── Buttons ───────────────────────────────────── */
.btn-icon {
  background: transparent;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-sm);
  color: var(--body);
  display: flex;
  align-items: center;
  transition: background 0.15s;
}

.btn-icon:hover { background: var(--canvas-mid); }

.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
}

.btn-danger {
  background: var(--accent-danger);
  color: #fff;
  border: none;
  font-weight: 500;
}

.btn-danger:hover { background: var(--accent-danger-hover); }

.btn-secondary {
  background: var(--canvas-mid);
  color: var(--body);
  border: 1px solid var(--hairline);
}

.btn-secondary:hover { background: #36393e; }

/* ── Three-column Layout ───────────────────────── */
.panel-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar (UID list) */
.sidebar-admin {
  width: 200px;
  border-right: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  background: var(--canvas-soft);
  flex-shrink: 0;
}

.sidebar-header {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-dim);
  border-bottom: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.search-input {
  background: var(--canvas-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 4px var(--space-sm);
  color: var(--ink);
  font-size: 0.75rem;
  outline: none;
  width: 100%;
}

.search-input:focus { border-color: var(--accent-sunset); }

.uid-list {
  list-style: none;
  overflow-y: auto;
  flex: 1;
}

.uid-item {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.8rem;
  cursor: pointer;
  border-bottom: 1px solid var(--hairline);
  transition: background 0.1s;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.uid-item:hover { background: var(--canvas-mid); }
.uid-item.active { background: var(--canvas-mid); color: var(--ink); border-left: 3px solid var(--accent-sunset); }

.uid-item .uid-meta {
  font-size: 0.65rem;
  color: var(--ink-dim);
}

/* Conversation panel */
.conv-panel {
  width: 320px;
  border-right: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  background: var(--canvas);
  flex-shrink: 0;
}

.conv-empty, .detail-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  color: var(--ink-dim);
  gap: var(--space-sm);
}

.conv-empty p, .detail-empty p {
  font-size: 0.8rem;
}

.conv-empty svg, .detail-empty svg {
  opacity: 0.3;
}

.conv-header {
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  border-bottom: 1px solid var(--hairline);
  flex-wrap: wrap;
}

.conv-header h3 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  flex: 1;
}

.conv-count {
  font-size: 0.7rem;
  color: var(--ink-dim);
}

.conv-list {
  list-style: none;
  overflow-y: auto;
  flex: 1;
}

.conv-item {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--hairline);
  cursor: pointer;
  transition: background 0.1s;
}

.conv-item:hover { background: var(--canvas-soft); }
.conv-item.active { background: var(--canvas-card); border-left: 3px solid var(--accent-sunset); }

.conv-item-title {
  font-size: 0.8rem;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conv-item-meta {
  font-size: 0.65rem;
  color: var(--ink-dim);
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.conv-item-section {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--hairline);
  background: var(--canvas-soft);
}

/* Detail panel */
.detail-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--canvas);
  overflow: hidden;
}

.detail-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

.detail-topbar {
  padding: var(--space-md) var(--space-xl);
  border-bottom: 1px solid var(--hairline);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  flex-shrink: 0;
}

.detail-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.detail-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.detail-time {
  font-size: 0.7rem;
  color: var(--ink-dim);
}

/* Messages in detail view */
.detail-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.msg-row {
  display: flex;
  gap: var(--space-md);
}

.msg-row.user-message { flex-direction: row-reverse; }

.msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  background: var(--canvas-mid);
}

.msg-row.ai-message .msg-avatar img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
}

.msg-bubble {
  max-width: 70%;
  background: var(--canvas-card);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.msg-row.user-message .msg-bubble {
  background: linear-gradient(135deg, #4a6cf7, #6b5ce7);
  color: #fff;
}

.msg-bubble .msg-role-label {
  font-size: 0.65rem;
  color: var(--ink-dim);
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

.msg-row.user-message .msg-bubble .msg-role-label {
  color: rgba(255,255,255,0.6);
  text-align: right;
}

.msg-code {
  background: var(--canvas);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-sm) 0;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.78rem;
  overflow-x: auto;
  color: #e8e8e8;
  border: 1px solid var(--hairline);
}

.msg-copy-btn {
  font-size: 0.65rem;
  color: var(--ink-dim);
  background: var(--canvas-mid);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  cursor: pointer;
  float: right;
  transition: color 0.15s;
}

.msg-copy-btn:hover { color: var(--ink); }

.msg-spacer-bottom {
  height: var(--space-2xl);
  flex-shrink: 0;
}

/* ── Modal ─────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-box {
  background: var(--canvas-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-width: 360px;
  text-align: center;
}

.confirm-text {
  font-size: 0.9rem;
  color: var(--ink);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.modal-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
}

.modal-actions button {
  min-width: 80px;
  padding: var(--space-xs) var(--space-lg);
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

/* ── Toast ─────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  background: var(--canvas-card);
  border: 1px solid var(--hairline);
  color: var(--ink);
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  z-index: 2000;
  animation: toast-in 0.2s ease-out;
}

.toast.success { border-color: var(--accent-green); color: var(--accent-green); }
.toast.error { border-color: var(--accent-danger); color: var(--accent-danger); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── Scrollbars ────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--canvas-mid); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #444; }

/* ── Responsive ────────────────────────────────── */
@media (max-width: 900px) {
  .panel-layout {
    flex-direction: column;
  }
  .sidebar-admin {
    width: 100%;
    max-height: 140px;
    border-right: none;
    border-bottom: 1px solid var(--hairline);
  }
  .uid-list {
    display: flex;
    gap: var(--space-xs);
    overflow-x: auto;
    overflow-y: hidden;
    flex-wrap: wrap;
    padding: var(--space-xs);
  }
  .uid-item {
    border-bottom: none;
    border: 1px solid var(--hairline);
    white-space: nowrap;
    flex-shrink: 0;
  }
  .conv-panel {
    width: 100%;
    height: 200px;
    border-right: none;
    border-bottom: 1px solid var(--hairline);
  }
  .msg-bubble {
    max-width: 90%;
  }
}