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

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #242836;
  --border: #2e3346;
  --text: #e4e6f0;
  --text-dim: #8b8fa7;
  --accent: #6c7bff;
  --accent-hover: #8590ff;
  --green: #4caf7d;
  --orange: #e8a44a;
  --red: #e85454;
  --blue: #4a9de8;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

header h1 {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}

.header-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

#global-search {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 6px;
  width: 300px;
  font-size: 13px;
  outline: none;
}

#global-search:focus {
  border-color: var(--accent);
}

#global-search::placeholder {
  color: var(--text-dim);
}

/* Region tabs */
nav {
  display: flex;
  gap: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
}

.region-tab {
  padding: 10px 20px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}

.region-tab:hover {
  color: var(--text);
}

.region-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.region-tab.tab-all {
  color: var(--text-dim);
  font-weight: 600;
}

.region-tab.tab-all.active {
  color: var(--accent);
}

/* Main layout */
main {
  padding: 24px 32px;
}

.view.hidden { display: none; }

/* Dashboard */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-header .count {
  font-size: 12px;
  color: var(--text-dim);
  background: var(--surface2);
  padding: 2px 8px;
  border-radius: 10px;
  margin-left: 8px;
}

.btn-add {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  font-weight: 500;
}

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

/* Company table */
.company-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 32px;
  background: var(--surface);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.company-table th {
  text-align: left;
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
}

.company-table td {
  padding: 10px 14px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}

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

.company-table tr:hover td {
  background: var(--surface2);
}

.company-name {
  font-weight: 600;
  color: var(--text);
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
}

.badge-priority-high { background: rgba(232, 84, 84, 0.15); color: var(--red); }
.badge-priority-medium { background: rgba(232, 164, 74, 0.15); color: var(--orange); }
.badge-priority-low { background: rgba(76, 175, 125, 0.15); color: var(--green); }

.badge-status-active { background: rgba(76, 175, 125, 0.15); color: var(--green); }
.badge-status-prospect { background: rgba(74, 157, 232, 0.15); color: var(--blue); }
.badge-status-won { background: rgba(108, 123, 255, 0.15); color: var(--accent); }
.badge-status-lost { background: rgba(232, 84, 84, 0.15); color: var(--red); }
.badge-status-inactive { background: rgba(139, 143, 167, 0.15); color: var(--text-dim); }

.tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11px;
  background: var(--surface2);
  color: var(--text-dim);
  margin-right: 4px;
}

.region-label {
  font-size: 11px;
  color: var(--text-dim);
}

.actions-cell {
  text-align: right;
}

.btn-icon {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 4px;
  font-size: 14px;
  border-radius: 4px;
}

.btn-icon:hover {
  color: var(--text);
  background: var(--surface2);
}

.btn-icon.delete:hover {
  color: var(--red);
}

/* Company detail view */
#company-detail {
  max-width: 900px;
}

.detail-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
  font-size: 13px;
  cursor: pointer;
  margin-bottom: 16px;
  background: none;
  border: none;
}

.detail-back:hover {
  color: var(--text);
}

.detail-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.detail-header h2 {
  font-size: 22px;
  font-weight: 700;
}

.detail-header .badges {
  display: flex;
  gap: 6px;
}

.detail-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}

.detail-section h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.detail-field label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 4px;
}

.detail-field .value {
  font-size: 14px;
  color: var(--text);
  min-height: 20px;
}

.detail-field .value.empty {
  color: var(--text-dim);
  font-style: italic;
}

.detail-field.full-width {
  grid-column: 1 / -1;
}

.list-values {
  list-style: none;
}

.list-values li {
  font-size: 13px;
  padding: 3px 0;
  color: var(--text);
}

.list-values li:before {
  content: "- ";
  color: var(--text-dim);
}

/* Project tabs in detail */
.project-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.project-tab {
  padding: 8px 16px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.project-tab:hover { color: var(--text); }
.project-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.btn-add-project {
  padding: 8px 16px;
  cursor: pointer;
  font-size: 13px;
  color: var(--accent);
  background: none;
  border: none;
}

.btn-add-project:hover { color: var(--accent-hover); }

.detail-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  font-weight: 500;
}

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

.btn-secondary {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}

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

.btn-danger {
  background: rgba(232, 84, 84, 0.15);
  color: var(--red);
  border: 1px solid rgba(232, 84, 84, 0.3);
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}

.btn-danger:hover { background: rgba(232, 84, 84, 0.25); }

/* Modal */
#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

#modal-overlay.hidden { display: none; }

#modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 680px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 16px;
  font-weight: 600;
}

#modal-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  cursor: pointer;
}

#modal-close:hover { color: var(--text); }

#modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 60px;
}

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

/* Contact cards */
.contact-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  margin-bottom: 6px;
}

.contact-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.contact-name.empty {
  color: var(--text-dim);
  font-style: italic;
  font-weight: 400;
}

.contact-details {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.contact-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg);
  color: var(--text-dim);
}

.contact-email { color: var(--blue); }
.contact-phone { color: var(--green); }
.contact-wechat { color: var(--green); }
.contact-whatsapp { color: var(--green); }

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Contact form in modal */
.section-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin: 16px 0 8px 0;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

.contact-form-group {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 8px;
}

.contact-form-group .form-group {
  margin-bottom: 8px;
}

.contact-row-4 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 8px;
  align-items: end;
}

.btn-remove-contact {
  background: none;
  border: 1px solid rgba(232, 84, 84, 0.3);
  color: var(--red);
  cursor: pointer;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 12px;
  margin-bottom: 14px;
}

.btn-remove-contact:hover {
  background: rgba(232, 84, 84, 0.15);
}

.btn-add-contact {
  background: none;
  border: 1px dashed var(--border);
  color: var(--accent);
  cursor: pointer;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  margin-bottom: 14px;
  width: 100%;
}

.btn-add-contact:hover {
  border-color: var(--accent);
  background: rgba(108, 123, 255, 0.05);
}

.contacts-editor {
  margin-bottom: 4px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--green);
  color: #fff;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  z-index: 200;
  animation: slideUp 0.3s ease, fadeOut 0.3s ease 2s forwards;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes fadeOut {
  to { opacity: 0; }
}

/* Sales Dashboard */
.sd-stat-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.sd-stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}

.sd-stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.sd-stat-value.green { color: var(--green); }
.sd-stat-value.accent { color: var(--accent); }
.sd-stat-value.red { color: var(--red); }

.sd-stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.sd-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.sd-two-col .detail-section {
  margin-bottom: 0;
}

.sd-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.sd-bar-label {
  width: 70px;
  font-size: 13px;
  color: var(--text-dim);
  text-align: right;
  flex-shrink: 0;
}

.sd-bar-track {
  flex: 1;
  height: 22px;
  background: var(--surface2);
  border-radius: 4px;
  overflow: hidden;
}

.sd-bar-fill {
  height: 100%;
  border-radius: 4px;
  min-width: 2px;
  transition: width 0.3s ease;
}

.sd-bar-active { background: var(--green); }
.sd-bar-prospect { background: var(--blue); }
.sd-bar-won { background: var(--accent); }
.sd-bar-lost { background: var(--red); }
.sd-bar-inactive { background: var(--text-dim); }
.sd-bar-unset { background: var(--border); }

.sd-bar-high { background: var(--red); }
.sd-bar-medium { background: var(--orange); }
.sd-bar-low { background: var(--green); }

.sd-bar-count {
  width: 30px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  text-align: right;
  flex-shrink: 0;
}

.sd-overdue-row td {
  background: rgba(232, 84, 84, 0.06);
}

.sd-overdue-badge {
  display: inline-block;
  background: rgba(232, 84, 84, 0.2);
  color: var(--red);
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 3px;
  letter-spacing: 0.5px;
  margin-right: 4px;
}

.sd-empty {
  color: var(--text-dim);
  font-size: 14px;
  font-style: italic;
  padding: 16px 0;
}

/* Responsive */
@media (max-width: 768px) {
  header { padding: 12px 16px; }
  nav { padding: 0 16px; }
  main { padding: 16px; }
  #global-search { width: 200px; }
  .detail-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .sd-stat-cards { grid-template-columns: repeat(2, 1fr); }
  .sd-two-col { grid-template-columns: 1fr; }
}

/* Login Screen */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}
#login-screen.hidden { display: none; }
.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 48px 40px;
  text-align: center;
  max-width: 380px;
  width: 100%;
}
.login-box h1 {
  font-size: 24px;
  margin-bottom: 8px;
  color: var(--accent);
}
.login-box p {
  color: var(--text-dim);
  margin-bottom: 24px;
  font-size: 14px;
}
.login-box input {
  width: 100%;
  padding: 12px 16px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
  margin-bottom: 16px;
}
.login-box input:focus {
  outline: none;
  border-color: var(--accent);
}
.login-box .btn-primary {
  width: 100%;
  padding: 12px;
  font-size: 15px;
}
.login-error {
  color: var(--red);
  font-size: 13px;
  margin-top: 12px;
  min-height: 18px;
}

/* Logout button */
.btn-logout {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  margin-left: 12px;
  transition: all 0.15s;
}
.btn-logout:hover {
  border-color: var(--red);
  color: var(--red);
}

/* App content visibility */
#app-content.hidden { display: none; }