/* =====================================================
   EduIA — Sistema Multiagente
   Design System & Styles
   ===================================================== */

/* ── Tokens ── */
:root {
  --bg-base:       #0a0c14;
  --bg-surface:    #11141f;
  --bg-card:       #161a28;
  --bg-card2:      #1c2133;
  --bg-hover:      #1e2438;

  --accent-1:      #6C63FF;
  --accent-2:      #48CAE4;
  --accent-3:      #06D6A0;
  --accent-gold:   #FFB703;
  --accent-red:    #FF5A5F;

  --text-primary:  #eef0f8;
  --text-secondary:#8892b0;
  --text-muted:    #4a5568;

  --border:        rgba(108,99,255,0.18);
  --border-light:  rgba(255,255,255,0.06);

  --radius-sm:     8px;
  --radius-md:     14px;
  --radius-lg:     20px;
  --radius-xl:     28px;

  --shadow-sm:     0 2px 12px rgba(0,0,0,0.3);
  --shadow-md:     0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow:   0 0 40px rgba(108,99,255,0.15);

  --sidebar-w:     240px;
  --transition:    0.22s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  padding: 1.5rem 0.75rem;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.25rem 0.5rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 1rem;
}

.logo-icon {
  width: 36px; height: 36px;
  background: rgba(108,99,255,0.12);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  padding: 4px;
  border: 1px solid rgba(108,99,255,0.25);
}

.logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #6C63FF, #48CAE4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.3px;
}

/* Nav Items */
.sidebar-nav { display: flex; flex-direction: column; gap: 0.3rem; flex: 1; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  position: relative;
  font-family: 'Inter', sans-serif;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-light);
}

.nav-item.active {
  background: rgba(108,99,255,0.18);
  color: var(--accent-1);
  border-color: rgba(108,99,255,0.3);
  box-shadow: 0 0 20px rgba(108,99,255,0.1);
}

.nav-icon { font-size: 1.1rem; width: 20px; text-align: center; flex-shrink: 0; }
.nav-label { flex: 1; }

.nav-badge {
  font-size: 0.45rem;
  color: var(--accent-3);
  animation: blink 2s infinite;
}

.nav-item:not(.active) .nav-badge { color: var(--text-muted); animation: none; }

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.sidebar-footer {
  border-top: 1px solid var(--border-light);
  padding-top: 1rem;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 0 0.5rem;
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
}
.status-dot.active {
  background: var(--accent-3);
  box-shadow: 0 0 8px var(--accent-3);
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 6px var(--accent-3); }
  50% { box-shadow: 0 0 14px var(--accent-3); }
}

/* ── Main Content ── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 2rem;
  max-width: calc(100vw - var(--sidebar-w));
  min-height: 100vh;
}

/* ── Agent Panels ── */
.agent-panel {
  display: none;
  animation: fadeIn 0.35s ease;
}
.agent-panel.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Panel Header ── */
.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.panel-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.panel-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 0.3rem;
}

.panel-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--accent-3);
  background: rgba(6,214,160,0.1);
  border: 1px solid rgba(6,214,160,0.2);
  border-radius: 100px;
  padding: 0.35rem 0.85rem;
  white-space: nowrap;
}

.pulse-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent-3);
  animation: pulse-glow 2s infinite;
}

/* ── Status Grid (Central) ── */
.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.status-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.status-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  opacity: 0;
  transition: var(--transition);
}

.status-card:hover::before { opacity: 1; }
.status-card:hover { border-color: var(--border); box-shadow: var(--shadow-glow); }

.sc-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.sc-icon { font-size: 1.2rem; }
.sc-name { font-weight: 600; font-size: 0.95rem; flex: 1; }

.sc-status-badge {
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-weight: 600;
}

.sc-status-badge.idle {
  background: rgba(74,85,104,0.3);
  color: var(--text-muted);
}

.sc-status-badge.active {
  background: rgba(6,214,160,0.15);
  color: var(--accent-3);
  border: 1px solid rgba(6,214,160,0.3);
}

.sc-metrics { display: flex; flex-direction: column; gap: 0.55rem; }

.metric {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.45rem 0.6rem;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-sm);
}

.m-label { font-size: 0.78rem; color: var(--text-secondary); }
.m-value { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); font-family: 'JetBrains Mono', monospace; }

/* ── Chat Section ── */
.chat-section {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.chat-header {
  padding: 1.35rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
  background: linear-gradient(135deg, rgba(108,99,255,0.08), rgba(72,202,228,0.04));
}

.chat-title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.4rem;
}

.claude-avatar {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, #6C63FF, #48CAE4);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: white;
  flex-shrink: 0;
}

.chat-title-row h2 {
  font-size: 1.05rem;
  font-weight: 700;
}

.model-tag {
  font-size: 0.72rem;
  background: rgba(108,99,255,0.2);
  color: var(--accent-1);
  border: 1px solid rgba(108,99,255,0.3);
  border-radius: 100px;
  padding: 0.15rem 0.6rem;
  font-weight: 600;
}

.chat-hint { font-size: 0.82rem; color: var(--text-secondary); }

.chat-messages {
  height: 320px;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.chat-msg {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  animation: msgIn 0.25s ease;
}

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

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

.msg-avatar {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  font-size: 0.65rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: white;
}

.chat-msg.user .msg-avatar {
  background: linear-gradient(135deg, var(--accent-3), #0096c7);
}

.msg-bubble {
  max-width: 82%;
  padding: 0.8rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  line-height: 1.6;
}

.chat-msg.assistant .msg-bubble {
  background: var(--bg-card2);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
}

.chat-msg.user .msg-bubble {
  background: linear-gradient(135deg, rgba(108,99,255,0.25), rgba(72,202,228,0.15));
  border: 1px solid rgba(108,99,255,0.25);
  color: var(--text-primary);
}

/* API Key row */
.api-key-row {
  display: flex;
  gap: 0.75rem;
  padding: 0.85rem 1.5rem;
  background: rgba(255,183,3,0.06);
  border-top: 1px solid rgba(255,183,3,0.15);
}

.api-key-field {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,183,3,0.2);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 0.55rem 0.85rem;
  font-size: 0.83rem;
  font-family: 'JetBrains Mono', monospace;
  transition: var(--transition);
}

.api-key-field:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px rgba(255,183,3,0.12);
}

.btn-save-key {
  background: var(--accent-gold);
  color: #0a0c14;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.55rem 1rem;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}

.btn-save-key:hover { filter: brightness(1.1); transform: translateY(-1px); }

.chat-input-area { border-top: 1px solid var(--border-light); }

.chat-input-row {
  display: flex;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  align-items: flex-end;
}

#chat-input {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 0.7rem 1rem;
  font-size: 0.88rem;
  font-family: 'Inter', sans-serif;
  resize: none;
  transition: var(--transition);
  line-height: 1.5;
}

#chat-input:focus {
  outline: none;
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.12);
}

#chat-input::placeholder { color: var(--text-muted); }

.btn-send {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}

.btn-send:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(108,99,255,0.35); }
.btn-send:active { transform: translateY(0); }

/* ── 2-Column Layout ── */
.agent-layout-2col {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1.5rem;
  align-items: start;
}

/* ── Input Card ── */
.input-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  position: sticky;
  top: 1.5rem;
}

.input-card-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--accent-2);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Form Elements */
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.form-input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 0.6rem 0.85rem;
  font-size: 0.88rem;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.12);
  background: rgba(108,99,255,0.05);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

/* Sliders */
.slider-group { margin-bottom: 1.1rem; }
.slider-group label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.slider-row { display: flex; align-items: center; gap: 0.75rem; }

.slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(to right, var(--accent-1) 0%, var(--accent-2) 100%);
  outline: none;
  cursor: pointer;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 0 0 3px rgba(108,99,255,0.4);
  cursor: pointer;
  transition: var(--transition);
}

.slider::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 5px rgba(108,99,255,0.25);
  transform: scale(1.15);
}

.slider-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--accent-2);
  font-weight: 600;
  min-width: 48px;
  text-align: right;
}

/* Primary Button */
.btn-primary {
  width: 100%;
  padding: 0.8rem;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
  margin-top: 0.5rem;
  letter-spacing: 0.2px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(108,99,255,0.35);
  filter: brightness(1.1);
}

.btn-primary:active { transform: translateY(0); }

/* ── Results Column ── */
.results-col { display: flex; flex-direction: column; gap: 1.25rem; }

.results-card, .chart-card, .table-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
}

.results-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  background: rgba(255,255,255,0.025);
  transition: var(--transition);
}

.result-row:hover { background: rgba(255,255,255,0.04); }
.result-row:last-child { margin-bottom: 0; }

.result-row.highlight {
  background: rgba(108,99,255,0.12);
  border: 1px solid rgba(108,99,255,0.2);
}

.result-row.highlight-gold {
  background: rgba(255,183,3,0.1);
  border: 1px solid rgba(255,183,3,0.2);
}

.res-label { font-size: 0.83rem; color: var(--text-secondary); }
.res-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
}

.result-row.highlight .res-value { color: var(--accent-1); }
.result-row.highlight-gold .res-value { color: var(--accent-gold); }

/* ── Decision Tree Canvas ── */
.tree-canvas-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  overflow: hidden;
}

#decision-tree-canvas {
  width: 100%;
  height: auto;
  max-height: 360px;
  display: block;
  border-radius: var(--radius-sm);
}

/* ── Cashflow Grid ── */
.cashflow-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.cf-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.cf-item label {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.cf-item input {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 0.45rem 0.65rem;
  font-size: 0.82rem;
  font-family: 'Inter', sans-serif;
  width: 100%;
}

.cf-item input:focus {
  outline: none;
  border-color: var(--accent-1);
}

/* ── Probability Table ── */
.table-wrapper { overflow-x: auto; }

.prob-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.prob-table th, .prob-table td {
  padding: 0.6rem 0.85rem;
  text-align: center;
  border: 1px solid var(--border-light);
}

.prob-table th {
  background: rgba(108,99,255,0.1);
  color: var(--accent-1);
  font-weight: 600;
  font-size: 0.78rem;
}

.prob-table td {
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-primary);
  background: rgba(255,255,255,0.02);
}

.prob-table .row-header {
  background: rgba(72,202,228,0.08);
  color: var(--accent-2);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  text-align: left;
}

.prob-table .total-row td {
  background: rgba(6,214,160,0.07);
  color: var(--accent-3);
  font-weight: 700;
}

.prob-table .total-row .row-header {
  color: var(--accent-3);
}

/* ── Provider Bar ── */
.provider-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.5rem;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border-light);
  flex-wrap: wrap;
}

.provider-pills {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.provider-pill {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.38rem 0.85rem;
  border-radius: 100px;
  border: 1px solid var(--border-light);
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
  white-space: nowrap;
}

.provider-pill:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.15);
}

.provider-pill.active {
  background: rgba(108,99,255,0.18);
  color: var(--text-primary);
  border-color: rgba(108,99,255,0.4);
  box-shadow: 0 0 12px rgba(108,99,255,0.15);
}

/* Provider-specific active colors */
.provider-pill[data-provider="openai"].active {
  background: rgba(16,163,127,0.15);
  border-color: rgba(16,163,127,0.4);
  box-shadow: 0 0 12px rgba(16,163,127,0.12);
}
.provider-pill[data-provider="google"].active {
  background: rgba(66,133,244,0.15);
  border-color: rgba(66,133,244,0.4);
  box-shadow: 0 0 12px rgba(66,133,244,0.12);
}
.provider-pill[data-provider="openrouter"].active {
  background: rgba(249,115,22,0.15);
  border-color: rgba(249,115,22,0.4);
  box-shadow: 0 0 12px rgba(249,115,22,0.12);
}

.pill-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.model-select {
  flex: 1;
  min-width: 180px;
  max-width: 280px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 0.42rem 0.75rem;
  font-size: 0.82rem;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238892b0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  padding-right: 2rem;
}

.model-select:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.12);
}

.model-select option {
  background: #1c2133;
  color: var(--text-primary);
  padding: 0.5rem;
}

/* ── API Key Row (updated) ── */
.api-key-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 1.5rem;
  background: rgba(255,183,3,0.05);
  border-bottom: 1px solid rgba(255,183,3,0.12);
  flex-wrap: wrap;
}

.key-status-icon {
  font-size: 1rem;
  flex-shrink: 0;
  transition: var(--transition);
}

.key-saved-badge {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-3);
  background: rgba(6,214,160,0.12);
  border: 1px solid rgba(6,214,160,0.25);
  border-radius: 100px;
  padding: 0.2rem 0.65rem;
  animation: fadeIn 0.3s ease;
}

/* ── Scrollbar Global ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(108,99,255,0.25); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: rgba(108,99,255,0.45); }

/* ── Responsive ── */
@media (max-width: 1000px) {
  .agent-layout-2col {
    grid-template-columns: 1fr;
  }
  .input-card { position: static; }
}

@media (max-width: 760px) {
  :root { --sidebar-w: 60px; }
  .nav-label, .logo-text, .nav-badge { display: none; }
  .sidebar { padding: 1rem 0.5rem; align-items: center; }
  .logo-icon { margin: 0 auto; }
  .nav-item { justify-content: center; padding: 0.65rem; }
  .main-content { padding: 1rem; }
  .status-grid { grid-template-columns: 1fr; }
}

/* ── Loading spinner ── */
.thinking-msg .msg-bubble::after {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
  margin-left: 6px;
  animation: typing-dot 1.2s infinite;
}

@keyframes typing-dot {
  0%, 80%, 100% { opacity: 0; transform: scale(0.6); }
  40% { opacity: 1; transform: scale(1); }
}

/* Typing indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 4px 0;
}

.typing-indicator span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
  animation: typing-bounce 1.4s infinite;
}

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

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* Chart canvas */
canvas { border-radius: var(--radius-sm); }