:root {
  --paper: #f5f3ee;
  --paper-2: #ebe8e0;
  --paper-3: #dcd7ca;
  --ink: #1a1815;
  --ink-2: #4a4640;
  --ink-3: #8a8478;
  --line: #d4cfc0;
  --line-2: #c0baa8;
  --accent: #b8541f;
  --accent-soft: #f4e4d0;
  --success: #4a6b35;
  --success-soft: #e2e8d4;
  --warning: #b88416;
  --warning-soft: #f4e8cc;
  --danger: #8f2a1f;
  --danger-soft: #f4d9d2;
  --info: #2b4c6f;
  --info-soft: #d8e2ec;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

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

html, body, #root {
  height: 100%;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

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

/* Sidebar */
.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--ink);
  color: var(--paper);
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  padding: 0 24px 28px;
  border-bottom: 1px solid rgba(245,243,238,0.08);
  margin-bottom: 16px;
}

.brand-mark {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1;
  color: var(--paper);
  letter-spacing: -0.02em;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 6px;
}

.nav-section {
  padding: 0 16px;
  margin-bottom: 20px;
}

.nav-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 0 8px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 6px;
  color: rgba(245,243,238,0.7);
  font-size: 13.5px;
  transition: all 0.15s;
  cursor: pointer;
  margin-bottom: 2px;
}

.nav-item:hover {
  background: rgba(245,243,238,0.06);
  color: var(--paper);
}

.nav-item.active {
  background: rgba(245,243,238,0.1);
  color: var(--paper);
}

.nav-item .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-3);
}

.nav-item.active .dot {
  background: var(--accent);
}

.user-card {
  margin-top: auto;
  margin-left: 16px;
  margin-right: 16px;
  padding: 12px;
  background: rgba(245,243,238,0.04);
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 12px;
}

.user-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--paper);
}

.user-role {
  font-size: 11px;
  color: var(--ink-3);
  font-family: var(--font-mono);
}

/* Main */
.main {
  padding: 32px 40px;
  max-width: 1400px;
  width: 100%;
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 6px;
}

.page-title {
  font-family: var(--font-display);
  font-size: 42px;
  line-height: 1;
  letter-spacing: -0.01em;
}

.page-actions {
  display: flex;
  gap: 8px;
}

/* Buttons */
.btn {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}

.btn-primary:hover {
  background: #000;
}

.btn-secondary {
  background: transparent;
  border-color: var(--line-2);
  color: var(--ink);
}

.btn-secondary:hover {
  background: var(--paper-2);
}

.btn-accent {
  background: var(--accent);
  color: var(--paper);
}

.btn-accent:hover {
  background: #9c4517;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

/* Stats row */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 28px;
}

.stat {
  background: var(--paper);
  padding: 18px 20px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1;
  letter-spacing: -0.01em;
}

.stat-meta {
  font-size: 11px;
  color: var(--ink-2);
  margin-top: 6px;
  font-family: var(--font-mono);
}

.stat-meta.up { color: var(--success); }
.stat-meta.down { color: var(--danger); }

/* Card */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

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

.card-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card-sub {
  font-size: 11px;
  color: var(--ink-3);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Lead table */
.lead-table {
  width: 100%;
  font-size: 13px;
}

.lead-row {
  display: grid;
  grid-template-columns: 12px 1.8fr 1.4fr 1fr 0.8fr 100px;
  gap: 16px;
  padding: 12px 20px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  transition: background 0.12s;
}

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

.lead-row:hover {
  background: var(--paper-2);
  cursor: pointer;
}

.lead-row.head {
  background: var(--paper-2);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  cursor: default;
}

.lead-row.head:hover {
  background: var(--paper-2);
}

.sla-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.sla-dot.danger { background: var(--danger); }
.sla-dot.warning { background: var(--warning); }
.sla-dot.success { background: var(--success); }
.sla-dot.info { background: var(--info); }
.sla-dot.muted { background: var(--ink-3); }

.lead-name {
  font-weight: 500;
}

.lead-contact {
  font-size: 11px;
  color: var(--ink-3);
  font-family: var(--font-mono);
  margin-top: 2px;
}

.lead-source {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.lead-sla {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
}

.lead-sla.danger { color: var(--danger); }
.lead-sla.warning { color: var(--warning); }
.lead-sla.success { color: var(--success); }
.lead-sla.muted { color: var(--ink-3); }

/* Tag/Pill */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.pill.renta { background: var(--info-soft); color: var(--info); }
.pill.compra { background: var(--accent-soft); color: var(--accent); }
.pill.success { background: var(--success-soft); color: var(--success); }
.pill.warning { background: var(--warning-soft); color: var(--warning); }
.pill.danger { background: var(--danger-soft); color: var(--danger); }
.pill.muted { background: var(--paper-2); color: var(--ink-2); }

/* Two-col layout */
.two-col {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

@media (max-width: 1100px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

/* Form */
.field {
  margin-bottom: 16px;
}

.field-label {
  display: block;
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 6px;
}

.input, .select, .textarea {
  width: 100%;
  padding: 9px 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 13.5px;
  color: var(--ink);
  transition: border 0.15s;
}

.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--ink);
}

.textarea {
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* Modal */
.modal-bg {
  position: fixed;
  inset: 0;
  background: rgba(26,24,21,0.4);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal {
  background: var(--paper);
  border-radius: 12px;
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(26,24,21,0.18);
}

.modal-head {
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.modal-body {
  padding: 24px;
}

.modal-foot {
  padding: 16px 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  background: var(--paper-2);
}

.close-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 18px;
  color: var(--ink-3);
}

.close-btn:hover {
  background: var(--paper-2);
}

/* Detail panel */
.detail-section {
  margin-bottom: 24px;
}

.detail-section-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 10px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
}

.detail-row {
  border-bottom: 1px dashed var(--line);
  padding: 6px 0;
}

.detail-label {
  font-size: 11px;
  color: var(--ink-3);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.detail-value {
  font-size: 14px;
  font-weight: 500;
  margin-top: 2px;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 20px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line);
}

.timeline-item {
  position: relative;
  padding-bottom: 16px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -19px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--ink-3);
}

.timeline-item.active::before {
  border-color: var(--accent);
  background: var(--accent);
}

.timeline-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.timeline-content {
  font-size: 13.5px;
  margin-top: 3px;
}

/* Login */
.login-wrap {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 800px) {
  .login-wrap { grid-template-columns: 1fr; }
  .login-art { display: none; }
}

.login-art {
  background: var(--ink);
  color: var(--paper);
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.login-art::after {
  content: "";
  position: absolute;
  right: -100px;
  bottom: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184,84,31,0.18) 0%, transparent 70%);
}

.login-art h1 {
  font-family: var(--font-display);
  font-size: 64px;
  line-height: 0.95;
  letter-spacing: -0.02em;
  max-width: 480px;
  position: relative;
  z-index: 1;
}

.login-art .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  position: relative;
  z-index: 1;
}

.login-art .footer {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  position: relative;
  z-index: 1;
}

.login-form-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.login-form {
  width: 100%;
  max-width: 360px;
}

.login-form h2 {
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1;
  margin-bottom: 8px;
}

.login-form p {
  color: var(--ink-2);
  margin-bottom: 28px;
}

/* Empty state */
.empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--ink-3);
}

.empty-icon {
  font-family: var(--font-display);
  font-size: 64px;
  line-height: 1;
  margin-bottom: 12px;
  color: var(--line-2);
}

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 20px;
}

.tab {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--ink-2);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.15s;
  cursor: pointer;
}

.tab.active {
  color: var(--ink);
  border-bottom-color: var(--ink);
  font-weight: 500;
}

.tab:hover:not(.active) {
  color: var(--ink);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 13px;
  box-shadow: 0 12px 32px rgba(26,24,21,0.2);
  z-index: 200;
}

/* Utilities */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.text-mono { font-family: var(--font-mono); }
.text-display { font-family: var(--font-display); }
.text-sm { font-size: 12px; }
.text-muted { color: var(--ink-3); }
.text-right { text-align: right; }