/* ══════════════════════════════════════════════════════════════
   ADMIN.CSS — Administration Panel Styles
   Uses design-system tokens for full dark mode compatibility.
   ══════════════════════════════════════════════════════════════ */

/* ── Admin Page Layout ───────────────────────────────────── */
.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
  margin-top: var(--sp-5);
}

/* ── Admin Metric Cards ──────────────────────────────────── */
.admin-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}

.admin-metric-card {
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-xs);
  transition: transform 0.2s var(--ease-standard), box-shadow 0.2s var(--ease-standard);
}

.admin-metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.admin-metric-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.admin-metric-icon.icon-users {
  background: rgba(255,122,26,0.1);
  color: var(--orange-500);
}

.admin-metric-icon.icon-active {
  background: rgba(31,157,85,0.1);
  color: #1F9D55;
}

.admin-metric-icon.icon-revenue {
  background: rgba(49,120,255,0.1);
  color: #3178FF;
}

.admin-metric-icon.icon-leads {
  background: rgba(160,100,255,0.1);
  color: #A064FF;
}

.admin-metric-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.admin-metric-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--stone-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.admin-metric-value {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--stone-900);
}

/* ── Users Table ─────────────────────────────────────────── */
.admin-users-card {
  grid-column: 1 / -1;
}

.user-role-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.user-role-badge.role-admin {
  background: rgba(255,122,26,0.1);
  color: var(--orange-500);
}

.user-role-badge.role-gerente {
  background: rgba(49,120,255,0.1);
  color: #5A9CFF;
}

.user-role-badge.role-consultor {
  background: rgba(31,157,85,0.1);
  color: #4DD88A;
}

.user-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.user-status-dot.online {
  background: #1F9D55;
  box-shadow: 0 0 0 3px rgba(31,157,85,0.15);
}

.user-status-dot.offline {
  background: var(--stone-300);
}

.user-avatar-sm {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--orange-400), var(--orange-300));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.user-row-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-row-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--stone-900);
}

.user-row-email {
  font-size: 12px;
  color: var(--stone-500);
}

/* ── Activity Log ────────────────────────────────────────── */
.activity-log {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-height: 420px;
  overflow-y: auto;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-color);
  animation: fadeInLog 0.3s ease both;
}

.activity-item:last-child {
  border-bottom: none;
}

@keyframes fadeInLog {
  from {
    opacity: 0;
    transform: translateX(-8px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.activity-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.activity-icon.act-login   { background: rgba(49,120,255,0.08); color: #5A9CFF; }
.activity-icon.act-lead    { background: rgba(31,157,85,0.08); color: #4DD88A; }
.activity-icon.act-sale    { background: rgba(255,122,26,0.08); color: var(--orange-500); }
.activity-icon.act-itin    { background: rgba(160,100,255,0.08); color: #C09AFF; }
.activity-icon.act-setting { background: rgba(105,114,129,0.08); color: var(--stone-400); }

.activity-text {
  flex: 1;
  min-width: 0;
}

.activity-text p {
  margin: 0;
  font-size: 13px;
  color: var(--stone-900);
  line-height: 1.5;
}

.activity-text p strong {
  font-weight: 700;
}

.activity-time {
  font-size: 11px;
  color: var(--stone-500);
  margin-top: 3px;
}

/* ── Agency Settings ─────────────────────────────────────── */
.agency-settings {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  transition: background 0.2s ease;
}

.setting-row:hover {
  background: var(--stone-100);
}

.setting-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.setting-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--stone-900);
}

.setting-desc {
  font-size: 12px;
  color: var(--stone-500);
}

.setting-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--orange-500);
}

/* ── Access Denied Screen ────────────────────────────────── */
.access-denied {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 40px;
  text-align: center;
  gap: 16px;
}

.access-denied-icon {
  width: 80px;
  height: 80px;
  border-radius: 24px;
  background: rgba(238,95,82,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: #EE5F52;
  margin-bottom: 8px;
}

.access-denied h2 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
}

.access-denied p {
  color: var(--stone-500);
  font-size: 14px;
  max-width: 400px;
  line-height: 1.6;
  margin: 0;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .admin-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .admin-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .admin-metrics {
    grid-template-columns: 1fr;
  }
}

/* ══════════════════════════════════════════════════════════════
   THAY IA — Configuration & Token Usage
   ══════════════════════════════════════════════════════════════ */

/* ── Provider Cards ──────────────────────────────────────── */
.ai-provider-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.ai-provider-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 12px;
  border: 2px solid var(--border-color);
  border-radius: 16px;
  background: var(--surface-alt);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.ai-provider-card:hover {
  border-color: var(--stone-300);
  transform: translateY(-2px);
}

.ai-provider-card.active {
  border-color: var(--orange-500);
  background: rgba(255, 122, 26, 0.04);
  box-shadow: 0 0 0 3px rgba(255, 122, 26, 0.1);
}

:root[data-theme="dark"] .ai-provider-card.active {
  background: rgba(255, 122, 26, 0.08);
}

.ai-provider-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.ai-provider-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--stone-900);
}

.ai-provider-model {
  font-size: 11px;
  color: var(--stone-400);
  font-weight: 500;
}

/* ── API Key Input ───────────────────────────────────────── */
.ai-key-form {
  margin-bottom: 20px;
}

.ai-key-input-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.ai-key-input-wrap {
  flex: 1;
  position: relative;
}

.ai-key-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--stone-400);
  font-size: 13px;
}

.ai-key-input-wrap .form-input {
  padding-left: 38px;
  padding-right: 40px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  letter-spacing: 0.5px;
}

.ai-key-toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--stone-400);
  cursor: pointer;
  padding: 4px;
  font-size: 14px;
  transition: color 0.15s;
}

.ai-key-toggle:hover {
  color: var(--stone-700);
}

.ai-key-hint {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: var(--stone-400);
}

/* ── Status Badge ────────────────────────────────────────── */
.ai-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--stone-400);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--surface-alt);
  border: 1px solid var(--border-color);
}

.ai-status-badge.connected {
  color: #10B981;
  border-color: rgba(16, 185, 129, 0.2);
  background: rgba(16, 185, 129, 0.06);
}

.ai-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--stone-400);
}

.ai-status-dot.connected {
  background: #10B981;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.4);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ── Model Config ────────────────────────────────────────── */
.ai-model-config {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  background: var(--surface-alt);
  border: 1px solid var(--border-color);
  border-radius: 14px;
}

.ai-config-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.ai-config-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--stone-700);
}

.ai-model-select {
  max-width: 280px;
}

.ai-limit-control {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-limit-unit {
  font-size: 12px;
  color: var(--stone-400);
  font-weight: 500;
}

/* ── Token Usage Dashboard ───────────────────────────────── */
.ai-usage-summary {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 24px;
}

.ai-usage-ring {
  position: relative;
  width: 120px;
  height: 120px;
  flex-shrink: 0;
}

.ai-usage-svg {
  width: 100%;
  height: 100%;
}

.ai-usage-ring-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.ai-usage-ring-pct {
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
}

.ai-usage-ring-label {
  font-size: 10px;
  color: var(--stone-400);
  font-weight: 500;
  margin-top: 2px;
}

.ai-usage-stats {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.ai-usage-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ai-usage-stat-label {
  font-size: 11px;
  color: var(--stone-400);
  font-weight: 500;
}

.ai-usage-stat-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--stone-900);
}

/* ── Per-User Usage ──────────────────────────────────────── */
.ai-usage-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--stone-400);
  margin-bottom: 12px;
}

.ai-usage-users {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ai-user-usage {
  display: flex;
  align-items: center;
  gap: 14px;
}

.ai-user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 160px;
}

.ai-user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--stone-800);
}

.ai-user-role {
  font-size: 11px;
  color: var(--stone-400);
}

.ai-user-bar-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
}

.ai-user-bar {
  flex: 1;
  height: 8px;
  background: var(--surface-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.ai-user-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.8s ease;
}

.ai-user-tokens {
  font-size: 12px;
  font-weight: 600;
  color: var(--stone-500);
  white-space: nowrap;
  min-width: 100px;
  text-align: right;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .ai-provider-grid {
    grid-template-columns: 1fr;
  }
  .ai-key-input-row {
    flex-direction: column;
  }
  .ai-usage-summary {
    flex-direction: column;
    text-align: center;
  }
  .ai-user-usage {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .ai-user-bar-wrap {
    width: 100%;
  }
  .ai-config-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .ai-model-select {
    max-width: none;
    width: 100%;
  }
}

/* ══════════════════════════════════════════════════════════════
   KNOWLEDGE BASE
   ══════════════════════════════════════════════════════════════ */

.kb-section {
  margin-bottom: 28px;
}

.kb-section:last-child {
  margin-bottom: 0;
}

.kb-section-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
}

.kb-section-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.kb-section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--stone-900);
  margin-bottom: 2px;
}

.kb-section-desc {
  font-size: 12px;
  color: var(--stone-400);
  line-height: 1.4;
}

/* ── System Prompt Textarea ──────────────────────────────── */
.kb-prompt-textarea {
  width: 100%;
  min-height: 140px;
  padding: 14px 16px;
  border: 1px solid var(--border-color-strong);
  border-radius: 14px;
  background: var(--surface-alt);
  color: var(--stone-900);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  transition: border-color 0.15s ease;
}

.kb-prompt-textarea:focus {
  border-color: var(--orange-500);
  box-shadow: 0 0 0 3px rgba(255, 122, 26, 0.1);
}

.kb-prompt-textarea::placeholder {
  color: var(--stone-400);
}

.kb-prompt-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
}

.kb-char-count {
  font-size: 11px;
  color: var(--stone-400);
  font-weight: 500;
}

/* ── Knowledge Sources ───────────────────────────────────── */
.kb-sources-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.kb-source-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  background: var(--surface-alt);
  transition: border-color 0.2s ease, background 0.2s ease;
  opacity: 0.6;
}

.kb-source-card.active {
  opacity: 1;
  border-color: rgba(255, 122, 26, 0.2);
  background: rgba(255, 122, 26, 0.02);
}

:root[data-theme="dark"] .kb-source-card.active {
  background: rgba(255, 122, 26, 0.05);
}

.kb-source-info {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.kb-source-info > i {
  font-size: 18px;
  width: 24px;
  text-align: center;
}

.kb-source-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--stone-900);
}

.kb-source-detail {
  font-size: 11px;
  color: var(--stone-400);
}

/* Toggle Switch */
.kb-source-toggle {
  position: relative;
  flex-shrink: 0;
}

.kb-source-toggle input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.kb-source-toggle label {
  display: block;
  width: 42px;
  height: 24px;
  background: var(--stone-300);
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s ease;
  position: relative;
}

.kb-source-toggle label::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.kb-source-toggle input:checked + label {
  background: var(--orange-500);
}

.kb-source-toggle input:checked + label::after {
  transform: translateX(18px);
}

/* ── File Upload Dropzone ────────────────────────────────── */
.kb-dropzone {
  padding: 32px;
  border: 2px dashed var(--border-color-strong);
  border-radius: 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--surface-alt);
  margin-bottom: 16px;
}

.kb-dropzone:hover,
.kb-dropzone.dragover {
  border-color: var(--orange-500);
  background: rgba(255, 122, 26, 0.03);
}

:root[data-theme="dark"] .kb-dropzone:hover,
:root[data-theme="dark"] .kb-dropzone.dragover {
  background: rgba(255, 122, 26, 0.06);
}

.kb-dropzone-icon {
  font-size: 32px;
  color: var(--orange-500);
  margin-bottom: 12px;
  opacity: 0.7;
}

.kb-dropzone-text {
  font-size: 14px;
  color: var(--stone-700);
  margin-bottom: 6px;
}

.kb-dropzone-hint {
  font-size: 11px;
  color: var(--stone-400);
}

/* ── Uploaded Files List ─────────────────────────────────── */
.kb-files-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.kb-file-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  animation: fadeInLog 0.3s ease both;
  transition: background 0.15s ease;
}

.kb-file-row:last-child {
  border-bottom: none;
}

.kb-file-row:hover {
  background: var(--surface-alt);
}

.kb-file-icon {
  font-size: 20px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.kb-file-info {
  flex: 1;
  min-width: 0;
}

.kb-file-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--stone-800);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kb-file-meta {
  font-size: 11px;
  color: var(--stone-400);
  margin-top: 2px;
}

.kb-empty {
  text-align: center;
  padding: 24px;
  color: var(--stone-400);
  font-size: 13px;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .kb-dropzone {
    padding: 20px;
  }
  .kb-source-card {
    flex-wrap: wrap;
  }
}