:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #e3e5e9;
  --text: #1b1e24;
  --text-muted: #6b7280;
  --primary: #055143;
  --primary-hover: #044136;
  --primary-tint: #dcebe7;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --success: #16a34a;
  --radius: 10px;
  --sidebar-w: 220px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  display: flex;
  min-height: 100vh;
}

.app[hidden] {
  display: none;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sign-out-btn {
  margin-top: auto;
  color: var(--danger);
}
.sign-out-btn:hover {
  background: #fef2f2;
  color: var(--danger-hover);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px 24px;
}

.brand-mark {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-text {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
}

.brand-text span {
  color: var(--text-muted);
  font-weight: 500;
}

nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  text-align: left;
  border: none;
  background: transparent;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
}

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

.nav-item.active {
  background: var(--primary-tint);
  color: var(--primary);
}

/* Content */
.content {
  flex: 1;
  padding: 32px 40px;
  max-width: 1100px;
}

.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 12px;
  flex-wrap: wrap;
}

.view-header h1 {
  margin: 0;
  font-size: 22px;
}

.subtitle {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 4px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

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

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); }

.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: transparent;
}
.btn-danger:hover { background: #fef2f2; color: var(--danger-hover); }

.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-icon { padding: 6px 8px; }

/* Cards / stats */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

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

.stat-card .value {
  font-size: 28px;
  font-weight: 700;
}

.stat-card .label {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 2px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.panel-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 14px;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th {
  text-align: left;
  padding: 10px 18px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--border);
  background: #fafbfc;
}

td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

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

tbody tr:hover { background: #fafbff; cursor: pointer; }

.row-actions {
  display: flex;
  gap: 4px;
  justify-content: flex-end;
}

.muted { color: var(--text-muted); }

.pill {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--primary-tint);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
}

.pill-gray {
  background: #f1f2f4;
  color: var(--text-muted);
}

.empty-state {
  padding: 48px 18px;
  text-align: center;
  color: var(--text-muted);
}

.link {
  color: var(--primary);
  text-decoration: none;
  cursor: pointer;
}
.link:hover { text-decoration: underline; }

/* Search */
.search-input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  width: 240px;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 17, 21, 0.4);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 48px 16px;
  overflow-y: auto;
  z-index: 100;
}

.modal-backdrop[hidden] {
  display: none;
}

.modal {
  background: var(--surface);
  border-radius: 12px;
  width: 100%;
  max-width: 560px;
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}

.modal h2 {
  margin: 0 0 18px;
  font-size: 18px;
}

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

.form-grid .full { grid-column: 1 / -1; }

.field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 5px;
  color: var(--text-muted);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 14px;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
}

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

.checkbox-label {
  display: flex !important;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* Domains section (inside client modal) */
.domains-section {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.domains-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.domains-header label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

.domain-row,
.expense-row,
.website-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.domain-row .domain-name,
.expense-row .expense-description,
.website-row .website-url {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 14px;
  background: var(--surface);
  color: var(--text);
}

.domain-row .domain-cost,
.expense-row .expense-cost {
  width: 110px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 14px;
  background: var(--surface);
  color: var(--text);
}

.website-row .website-server {
  width: 160px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 14px;
  background: var(--surface);
  color: var(--text);
}

.yearly-total {
  margin-top: 16px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--primary-tint);
  color: var(--primary);
  font-size: 14px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 22px;
}

.error-text {
  color: var(--danger);
  font-size: 13px;
  margin-top: 10px;
  display: none;
}

/* Server detail */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.detail-item .label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 3px;
}

.detail-item .value {
  font-size: 15px;
  font-weight: 500;
  word-break: break-word;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  margin-bottom: 14px;
  cursor: pointer;
}
.back-link:hover { color: var(--text); }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #1b1e24;
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 200;
}

.toast.error { background: var(--danger); }

@media (max-width: 700px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: relative; }
  nav { flex-direction: row; flex-wrap: wrap; }
  .content { padding: 20px; }
  .form-grid { grid-template-columns: 1fr; }
}

/* Login screen */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 24px;
}

.login-screen[hidden] {
  display: none;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-logo {
  width: 40px;
  height: 40px;
  margin: 0 auto;
}

.login-card h1 {
  margin: 0 0 4px;
  font-size: 18px;
  text-align: center;
}