@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&display=swap');

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
  --primary: #4f46e5;
  --primary-light: rgba(79, 70, 229, 0.06);
  --primary-fg: #ffffff;
  --secondary: #14b8a6;
  --secondary-fg: #ffffff;
  --accent: #f59e0b;
  --destructive: #ef4444;
  --foreground: #000000;
  --card: #ffffff;
  --bg: #f5f5f5;
  --sidebar-bg: #f5f5f5;
  --border: #e5e5e5;
  --muted: #333333;
  --muted-bg: #f0f0f0;
  --ring: #a5b4fc;
  --radius-card: 1rem;
  --radius-input: 0.5rem;
  --font: 'DM Sans', sans-serif;

  /* Charts */
  --chart-1: #4f46e5;
  --chart-2: #14b8a6;
  --chart-3: #f59e0b;
  --chart-4: #ec4899;
  --chart-5: #22c55e;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  font-size: 13px;
  color: var(--foreground);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  font-family: var(--font);
  cursor: pointer;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
.title {
  font-size: 22px;
  font-weight: 700;
  color: var(--foreground);
}

.subtitle {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  opacity: 0.7;
}

.card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--foreground);
}

.text-muted {
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
}

.stat-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--foreground);
}

/* ============================================
   CARD
   ============================================ */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 20px 24px;
}

/* ============================================
   INPUTS
   ============================================ */
input, textarea, select {
  font-family: var(--font);
  font-size: 13px;
  color: var(--foreground);
  background: var(--muted-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-input);
  padding: 9px 13px;
  width: 100%;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  background: var(--card);
  outline: 2px solid var(--ring);
  outline-offset: -1px;
}

input::placeholder, textarea::placeholder {
  color: var(--muted);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--foreground);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
  background: var(--primary);
  color: var(--primary-fg);
  border: none;
  border-radius: var(--radius-input);
  padding: 10px 20px;
  font-weight: 600;
  font-size: 13px;
  transition: opacity 0.15s;
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: var(--radius-input);
  padding: 10px 20px;
  font-weight: 500;
  font-size: 13px;
  transition: background 0.15s, color 0.15s;
}

.btn-secondary:hover {
  background: var(--bg);
  color: var(--foreground);
}

/* ============================================
   LAYOUT — SIDEBAR + CONTENT
   ============================================ */
.layout {
  min-height: 100vh;
}

.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  width: 196px;
  height: 100vh;
  z-index: 10;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  margin-bottom: 32px;
  font-size: 15px;
  font-weight: 700;
  color: var(--foreground);
}

.sidebar-logo .logo-icon {
  width: 30px;
  height: 30px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--card);
  font-weight: 700;
  font-size: 14px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 10px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  transition: background 0.15s, color 0.15s;
}

.nav-item:hover {
  background: var(--bg);
  color: var(--foreground);
}

.nav-item.active {
  background: var(--primary-light);
  color: var(--foreground);
  font-weight: 600;
}

/* Nav group (collapsible) */
.nav-group {
  display: flex;
  flex-direction: column;
}

.nav-group-toggle {
  width: 100%;
  text-align: left;
  position: relative;
  border: none;
}

.nav-chevron {
  margin-left: auto;
  transition: transform 0.2s;
  opacity: 0.5;
}

.nav-group.open .nav-chevron {
  transform: rotate(180deg);
}

.nav-subitems {
  display: none;
  flex-direction: column;
  padding-left: 30px;
  gap: 0;
  margin: 4px 0 4px 0;
}

.nav-group.open .nav-subitems {
  display: flex;
}

.nav-subitem {
  display: block;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--muted);
  transition: color 0.15s;
  position: relative;
}

.nav-subitem::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--border);
  transform: translateY(-50%);
  transition: background 0.15s;
}

.nav-subitem:hover {
  color: var(--foreground);
}

.nav-subitem.active {
  color: var(--foreground);
  font-weight: 600;
}

.nav-subitem.active::before {
  background: var(--primary);
}

.sidebar-footer {
  padding: 16px 14px 0;
  border-top: 1px solid var(--border);
}

.content {
  margin-left: 196px;
  padding: 28px 32px;
  min-height: 100vh;
}

/* ============================================
   AUTH PAGE
   ============================================ */
.auth-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}

.auth-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--card);
  font-weight: 700;
  font-size: 16px;
}

.auth-logo .logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--foreground);
}

.auth-card {
  width: 100%;
  max-width: 400px;
}

.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.auth-tab {
  flex: 1;
  padding: 10px 0;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.auth-tab.active {
  color: var(--primary);
  font-weight: 600;
  border-bottom-color: var(--primary);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.phone-input-group {
  display: flex;
  gap: 8px;
}

.phone-code-select {
  width: 100px;
  flex-shrink: 0;
}

.phone-input-group input {
  flex: 1;
}

.error-message {
  font-size: 12px;
  color: #e74c3c;
  margin-top: 8px;
  text-align: center;
}

/* ============================================
   ONBOARDING
   ============================================ */
.onboarding-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
}

.onboarding-card {
  width: 100%;
  max-width: 560px;
}

.progress-bar {
  width: 100%;
  max-width: 560px;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  margin-bottom: 28px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.step {
  display: none;
}

.step.active {
  display: block;
}

.step-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 6px;
}

.step-subtitle {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
}

/* Business type grid */
.type-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.type-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 16px;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
}

.type-card:hover {
  border-color: var(--primary);
}

.type-card.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}

.type-card-icon {
  font-size: 28px;
  margin-bottom: 8px;
}

.type-card-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 4px;
}

.type-card-desc {
  font-size: 11px;
  color: var(--muted);
}

/* Tone pills */
.tone-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tone-pill {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  background: var(--card);
  cursor: pointer;
  transition: all 0.15s;
}

.tone-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.tone-pill.selected {
  background: var(--primary);
  color: var(--primary-fg);
  border-color: var(--primary);
}

/* Catalog list */
.catalog-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.catalog-item {
  display: flex;
  gap: 10px;
  align-items: center;
}

.catalog-item input {
  flex: 1;
}

.catalog-item .btn-remove {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 18px;
  padding: 4px 8px;
  cursor: pointer;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.catalog-item .btn-remove:hover {
  color: #e74c3c;
  background: rgba(231, 76, 60, 0.08);
}

/* Summary */
.summary-section {
  margin-bottom: 16px;
}

.summary-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.summary-value {
  font-size: 13px;
  color: var(--foreground);
}

/* Catalog input areas */
.catalog-input-area {
  margin-top: 20px;
}

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.upload-zone:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.upload-zone.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.upload-icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.upload-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 4px;
}

.upload-subtext {
  font-size: 12px;
  color: var(--muted);
}

/* Audio recording */
.audio-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px 20px;
}

.audio-record-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  color: var(--card);
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.15s, background 0.15s;
}

.audio-record-btn:hover {
  transform: scale(1.05);
}

.audio-record-btn.recording {
  background: #dc2626;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.audio-status {
  font-size: 13px;
  color: var(--muted);
}

.audio-timer {
  font-size: 22px;
  font-weight: 700;
  color: var(--foreground);
}

/* Catalog preview */
#catalog-preview .catalog-item,
#catalog-manual .catalog-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
}

/* Step navigation */
.step-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* ============================================
   CHANNELS
   ============================================ */
.channels-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.channel-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.channel-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.channel-icon.whatsapp { background: rgba(37, 211, 102, 0.1); }
.channel-icon.instagram { background: rgba(225, 48, 108, 0.1); }
.channel-icon.facebook { background: rgba(24, 119, 242, 0.1); }

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

.channel-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--foreground);
}

.channel-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.connected { background: #22c55e; }
.status-dot.disconnected { background: var(--border); }

.channel-action {
  flex-shrink: 0;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-overlay.hidden {
  display: none !important;
}

.modal-card {
  background: var(--card);
  border-radius: var(--radius-card);
  padding: 28px;
  width: 100%;
  max-width: 380px;
  position: relative;
  text-align: center;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.modal-close:hover {
  color: var(--foreground);
  background: var(--bg);
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 6px;
}

.modal-subtitle {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

.qr-image {
  width: 220px;
  height: 220px;
  margin: 0 auto 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.qr-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qr-loading {
  font-size: 12px;
  color: var(--muted);
}

/* ============================================
   CONVERSATIONS
   ============================================ */
.conv-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 0;
  height: 100vh;
}

.conv-list {
  border-right: 1px solid var(--border);
  overflow-y: auto;
  background: var(--card);
  border-radius: var(--radius-card) 0 0 var(--radius-card);
}

.conv-list-header {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  font-weight: 700;
  color: var(--foreground);
}

.conv-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.conv-item:hover { background: var(--bg); }
.conv-item.active { background: var(--primary-light); }

.conv-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--foreground);
  flex-shrink: 0;
}

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

.conv-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--foreground);
  display: flex;
  align-items: center;
  gap: 6px;
}

.conv-preview {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

.conv-meta {
  flex-shrink: 0;
  text-align: right;
}

.conv-time {
  font-size: 11px;
  color: var(--muted);
}

.channel-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
}

.channel-tag.whatsapp { background: rgba(37,211,102,0.1); color: #25d366; }
.channel-tag.instagram { background: rgba(225,48,108,0.1); color: #e1306c; }
.channel-tag.facebook { background: rgba(24,119,242,0.1); color: #1877f2; }

/* Chat panel */
.conv-chat {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
}

.conv-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.conv-chat-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--foreground);
}

/* Toggle switch */
.toggle-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}

.toggle {
  position: relative;
  width: 36px;
  height: 20px;
  background: var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s;
}

.toggle.active { background: var(--primary); }

.toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: var(--card);
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle.active::after { transform: translateX(16px); }

/* Messages */
.conv-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.msg {
  max-width: 75%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.5;
}

.msg.user {
  align-self: flex-start;
  background: var(--card);
  color: var(--foreground);
  border: 1px solid var(--border);
}

.msg.assistant {
  align-self: flex-end;
  background: var(--primary);
  color: var(--primary-fg);
}

.msg-time {
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}

.msg.assistant .msg-time { color: rgba(255,255,255,0.5); }

/* Chat input */
.conv-input {
  display: flex;
  gap: 8px;
  padding: 14px 20px;
  background: var(--card);
  border-top: 1px solid var(--border);
}

.conv-input input {
  flex: 1;
}

.conv-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 13px;
}

/* ============================================
   APPOINTMENTS TABLE
   ============================================ */
.appt-filters {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}

.filter-pill {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  background: var(--card);
  cursor: pointer;
  transition: all 0.15s;
}

.filter-pill:hover { border-color: var(--primary); color: var(--primary); }
.filter-pill.active { background: var(--primary); color: var(--primary-fg); border-color: var(--primary); }

.appt-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.appt-table th {
  text-align: left;
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.appt-table td {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--foreground);
  border-bottom: 1px solid var(--border);
}

.appt-table tr:last-child td { border-bottom: none; }

.status-pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.status-pill.pendiente {
  background: var(--bg);
  color: var(--muted);
  border: 1px solid var(--border);
}

.status-pill.confirmada {
  background: #f0fdf4;
  color: #15803d;
}

.status-pill.cancelada {
  background: #fef2f2;
  color: #dc2626;
}

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

.appt-actions button {
  padding: 4px 10px;
  font-size: 11px;
  border-radius: 6px;
}

/* ============================================
   CONFIGURATOR
   ============================================ */
/* Agent tabs */
.agent-tabs-bar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.agent-tabs {
  display: flex;
  gap: 0;
}

.agent-tab {
  padding: 12px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.agent-tab:hover {
  color: var(--foreground);
}

.agent-tab.active {
  color: var(--primary);
  font-weight: 600;
  border-bottom-color: var(--primary);
}

/* Drag & drop catalog */
.catalog-card[draggable="true"] {
  cursor: grab;
}

.catalog-card[draggable="true"]:active {
  cursor: grabbing;
}

.catalog-card.dragging {
  opacity: 0.4;
}

.cat-group-drop {
  transition: background 0.15s, border-color 0.15s;
  border-radius: var(--radius-input);
  padding: 4px;
  margin: -4px;
}

.cat-group-drop.drag-over {
  background: var(--primary-light);
  outline: 2px dashed var(--primary);
  outline-offset: -2px;
}

.suggestion-chip {
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 13px;
  color: var(--muted);
  background: var(--card);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.suggestion-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Chat fullscreen (configurator) */
.chat-fullscreen {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--bg);
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.chat-header-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--foreground);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-input-bar {
  padding: 12px 24px 20px;
  background: var(--bg);
  max-width: 640px;
  margin: 0 auto;
  width: 100%;
}

.chat-input-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--card);
  border-radius: 999px;
  padding: 6px 6px 6px 16px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--border);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.chat-input-inner:focus-within {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border-color: var(--ring);
}

.chat-input-inner input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  color: var(--foreground);
  padding: 8px 4px;
}

.chat-input-inner input:focus {
  outline: none;
  border: none;
  box-shadow: none;
}

.chat-input-inner input::placeholder {
  color: #999;
}

.chat-input-inner .btn-icon-mini {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.chat-send-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  color: var(--primary-fg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity 0.15s;
}

.chat-send-btn:hover { opacity: 0.85; }
.chat-send-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Thinking indicator */
.msg.thinking {
  align-self: flex-start;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 12px 18px;
}

.thinking-dots {
  display: flex;
  gap: 4px;
  align-items: center;
}

.thinking-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted);
  animation: thinking 1.4s infinite;
}

.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes thinking {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

/* Attachments preview in input */
.chat-attachments {
  display: flex;
  gap: 8px;
  padding: 8px 16px 0;
  flex-wrap: wrap;
}

.chat-attachment-thumb {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-attachment-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.chat-attachment-thumb .thumb-pdf {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--muted-bg);
  font-size: 10px;
  font-weight: 700;
  color: var(--muted);
}

.chat-attachment-thumb .thumb-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  color: white;
  border: none;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  line-height: 1;
}

.chat-input-with-attachments {
  background: var(--card);
  border-radius: 20px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--border);
  transition: box-shadow 0.2s, border-color 0.2s;
  overflow: hidden;
}

.chat-input-with-attachments:focus-within {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border-color: var(--ring);
}

.chat-input-with-attachments .chat-input-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 6px 6px 16px;
}

.chat-input-with-attachments .chat-input-row input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  color: var(--foreground);
  padding: 8px 4px;
}

.chat-input-with-attachments .chat-input-row input:focus {
  outline: none;
  border: none;
  box-shadow: none;
}

/* Config value items */
.config-value {
  font-size: 13px;
  color: var(--foreground);
  line-height: 1.6;
}

.config-value .item {
  padding: 4px 0;
}

.btn-icon-mini {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 6px;
  background: transparent;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  color: var(--muted);
  transition: color 0.15s, background 0.15s;
}

.btn-icon-mini:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.btn-icon-mini.recording {
  color: #dc2626;
  animation: pulse 1.5s infinite;
}

/* ============================================
   DASHBOARD STATS
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

@media (max-width: 900px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 18px 20px;
}

.stat-card .stat-label {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.stat-card .stat-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--foreground);
}

.stat-card .stat-unit {
  font-size: 12px;
  color: var(--muted);
  margin-left: 2px;
}

.dashboard-section {
  margin-bottom: 24px;
}

.dashboard-section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 12px;
}

/* ============================================
   FILES
   ============================================ */
.files-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.file-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.file-preview {
  height: 140px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.file-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.file-preview-icon {
  font-size: 24px;
  font-weight: 700;
  color: var(--muted);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 24px;
}

.file-info {
  padding: 14px 16px;
  flex: 1;
}

.file-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 4px;
}

.file-desc {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.file-keywords {
  font-size: 11px;
  color: var(--muted);
  font-style: italic;
}

.file-delete-btn {
  margin: 0 16px 14px;
  font-size: 12px;
  padding: 6px 12px;
}

/* ============================================
   BILLING
   ============================================ */
.billing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 640px;
}

.billing-card {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  min-height: 340px;
}

.billing-card-header {
  margin-bottom: 20px;
}

.billing-plan-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 8px;
}

.billing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.billing-features {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.billing-features li {
  font-size: 13px;
  color: var(--foreground);
  padding-left: 20px;
  position: relative;
}

.billing-features li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: #22c55e;
  font-weight: 700;
}

.billing-card .btn-primary,
.billing-card .btn-secondary {
  margin-top: auto;
}

/* ============================================
   UTILITIES
   ============================================ */
.w-full { width: 100%; }
.text-center { text-align: center; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 4px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-20 { gap: 20px; }
.gap-24 { gap: 24px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.hidden { display: none !important; }

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px;
}

.empty-state h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 13px;
  color: var(--muted);
}