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

:root {
  --sidebar-w: 220px;
  --detail-w: 400px;

  --c-sidebar-bg:        #111827;
  --c-sidebar-text:      #9ca3af;
  --c-sidebar-hover-bg:  #1f2937;
  --c-sidebar-active-bg: #1d4ed8;
  --c-sidebar-active:    #ffffff;

  --c-accent:   #3b82f6;
  --c-list-bg:  #f3f4f6;
  --c-panel-bg: #ffffff;
  --c-border:   #e5e7eb;

  --c-text:           #111827;
  --c-text-secondary: #6b7280;
  --c-positive:       #10b981;
  --c-negative:       #ef4444;

  --c-muted:   #6b7280;
  --c-warning: #d97706;

  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
}

html, body {
  height: 100%;
  overflow: hidden;
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 14px;
  color: var(--c-text);
  line-height: 1.5;
}

#app { height: 100vh; display: flex; }


/* ── Login ─────────────────────────────────────────── */

.login-screen {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-list-bg);
}

.login-card {
  background: var(--c-panel-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 40px;
  width: 360px;
}

.login-card h1 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.login-card p {
  color: var(--c-text-secondary);
  margin-bottom: 24px;
  font-size: 13px;
}

.field { margin-bottom: 12px; }

.field input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  transition: border-color .15s;
}

.field input:focus { border-color: var(--c-accent); }

.error-msg {
  color: var(--c-negative);
  font-size: 12px;
  margin-bottom: 12px;
  min-height: 16px;
}


/* ── Buttons ────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: opacity .15s;
  white-space: nowrap;
}

.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn:not(:disabled):hover { opacity: .85; }

.btn-primary  { background: var(--c-accent);    color: #fff; }
.btn-danger   { background: var(--c-negative);  color: #fff; }
.btn-ghost    { background: transparent; color: var(--c-text-secondary); border: 1px solid var(--c-border); }
.btn-block    { width: 100%; }

/* Inline link button (clickable alias in detail card) */
.link-btn {
  background: none; border: none; padding: 0; margin: 0;
  color: var(--c-accent); cursor: pointer; font-size: inherit;
  font-weight: 600; text-decoration: underline; text-underline-offset: 2px;
}
.link-btn:hover { opacity: .8; }


/* ── Shell ──────────────────────────────────────────── */

.shell {
  flex: 1;
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr var(--detail-w);
  min-height: 0;
}


/* ── Sidebar ────────────────────────────────────────── */

.sidebar {
  background: var(--c-sidebar-bg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-logo {
  padding: 20px 16px 12px;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
}

.sidebar-logo .accent { color: var(--c-accent); }

.sidebar-nav {
  flex: 1;
  padding: 4px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 6px;
  color: var(--c-sidebar-text);
  text-decoration: none;
  font-weight: 500;
  transition: background .12s, color .12s;
  font-size: 13.5px;
}

.nav-item:hover { background: var(--c-sidebar-hover-bg); color: #fff; }
.nav-item.active { background: var(--c-sidebar-active-bg); color: var(--c-sidebar-active); }

.nav-icon { width: 18px; text-align: center; flex-shrink: 0; font-style: normal; }

.sidebar-footer {
  padding: 12px 8px;
  border-top: 1px solid #1f2937;
}


/* ── List panel ─────────────────────────────────────── */

.list-panel {
  background: var(--c-list-bg);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--c-border);
  min-height: 0;
}

.panel-header {
  padding: 12px 16px;
  background: var(--c-panel-bg);
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.panel-header h2 { font-size: 14px; font-weight: 600; flex: 1; }

.search-box {
  display: flex;
  align-items: center;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  background: var(--c-list-bg);
  padding: 0 8px;
}

.search-box input {
  border: none;
  background: transparent;
  padding: 6px 4px;
  font-size: 13px;
  outline: none;
  width: 160px;
  color: var(--c-text);
}

/* Show native clear button on search inputs */
.search-box input[type="search"]::-webkit-search-cancel-button {
  -webkit-appearance: searchfield-cancel-button;
  cursor: pointer;
  opacity: .6;
}
.search-box input[type="search"]::-webkit-search-cancel-button:hover {
  opacity: 1;
}

.list-body {
  flex: 1;
  overflow-y: auto;
  padding: 4px 8px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.list-item {
  background: var(--c-panel-bg);
  border-radius: 6px;
  padding: 10px 12px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color .1s, box-shadow .1s;
}

.list-item:hover { box-shadow: var(--shadow-sm); }
.list-item.selected { border-color: var(--c-accent); }

.list-item-title { font-weight: 600; font-size: 13px; }
.list-item-sub   { font-size: 12px; color: var(--c-text-secondary); margin-top: 1px; }

.list-item-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}


/* ── Badges ─────────────────────────────────────────── */

.badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
}

.badge-green  { background: #dcfce7; color: #166534; }
.badge-red    { background: #fee2e2; color: #991b1b; }
.badge-blue   { background: #dbeafe; color: #1e40af; }
.badge-yellow { background: #fef9c3; color: #854d0e; }
.badge-gray   { background: #f3f4f6; color: #4b5563; }


/* ── Balance coloring ───────────────────────────────── */

.bal        { font-weight: 700; }
.bal.pos    { color: var(--c-positive); }
.bal.neg    { color: var(--c-negative); }
.bal.zero   { color: var(--c-text-secondary); }


/* ── Detail panel ───────────────────────────────────── */

.detail-panel {
  background: var(--c-panel-bg);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow-y: auto;
}

.detail-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--c-text-secondary);
  gap: 10px;
}

.detail-empty .empty-icon { font-size: 36px; opacity: .4; }
.detail-empty p { font-size: 13px; }

.detail-header {
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--c-border);
  flex-shrink: 0;
}

.detail-alias {
  font-size: 22px;
  font-weight: 800;
  color: var(--c-accent);
  letter-spacing: -.5px;
}

.detail-owner {
  font-size: 13px;
  color: var(--c-text-secondary);
  margin-top: 2px;
}

.detail-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.detail-section-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--c-text-secondary);
  margin-bottom: 8px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 5px 0;
  border-bottom: 1px solid var(--c-border);
  gap: 12px;
}

.detail-row:last-child { border-bottom: none; }
.detail-label { font-size: 13px; color: var(--c-text-secondary); flex-shrink: 0; }
.detail-value { font-size: 13px; font-weight: 500; text-align: right; }

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 16px 16px;
  flex-shrink: 0;
}


/* ── Empty / loading states ─────────────────────────── */

.state-empty, .state-loading {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--c-text-secondary);
  gap: 8px;
  padding: 32px;
  font-size: 13px;
}

.state-empty .icon { font-size: 28px; opacity: .35; }


/* ── Sort indicators ────────────────────────────────── */

.sortable { cursor: pointer; user-select: none; }
.sortable:hover { color: var(--c-accent); }

.sort-hint   { opacity: .35; font-size: 10px; }
.sort-active { color: var(--c-accent); font-size: 10px; }


/* ── Transactions in apartment card ─────────────────── */

.txn-list { display: flex; flex-direction: column; }

.txn-row {
  display: grid;
  grid-template-columns: 70px auto 1fr;
  align-items: center;
  gap: 8px;
  padding: 5px 2px;
  border-bottom: 1px solid var(--c-border);
  cursor: pointer;
  transition: background .1s;
  border-radius: 4px;
  /* reset <a> styles */
  text-decoration: none;
  color: inherit;
}

.txn-row:last-child { border-bottom: none; }
.txn-row:hover { background: var(--c-list-bg); }

.txn-date   { font-size: 11px; color: var(--c-text-secondary); }
.txn-amount { font-size: 12px; font-weight: 700; text-align: right; }


/* ── Table rows ─────────────────────────────────────── */

.table-header {
  background: var(--c-panel-bg);
  border-bottom: 1px solid var(--c-border);
  padding: 5px 12px;
  flex-shrink: 0;
}

.tc-head {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--c-text-secondary);
}

.trow {
  display: grid;
  align-items: center;
  gap: 8px;
  width: 100%;
}

/* Apartments: alias | contract | pass24 | owner | balance */
.trow-apt {
  grid-template-columns: 88px 55px 70px 1fr 96px;
}

/* Payments: alias | apt_id | badges | tbank_id | date | amount */
.trow-pay {
  grid-template-columns: 88px 46px 120px 1fr 88px 88px;
}

.tc-pay-apt {
  font-size: 12px;
  font-weight: 600;
  color: var(--c-text-secondary);
  text-align: center;
}

.tc-pay-tbank {
  font-family: monospace;
  font-size: 12px;
  color: var(--c-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tc-alias    { overflow: hidden; }
.tc-badges   { display: flex; flex-wrap: wrap; gap: 3px; }
.tc-owner    { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tc-balance  { font-size: 12px; font-weight: 700; text-align: right; }
.tc-pass24   { }
.tc-empty    { color: var(--c-text-secondary); }

.tc-pay-badges { display: flex; flex-wrap: wrap; gap: 3px; }
.tc-pay-date   { font-size: 11px; color: var(--c-text-secondary); }
.tc-pay-amount { font-size: 12px; font-weight: 700; text-align: right; white-space: nowrap; }

.list-item-apt,
.list-item-pay { padding: 8px 12px; }

.list-item-apt .list-item-title,
.list-item-pay .list-item-title { font-size: 12px; }

.tc-alias strong { font-size: 13px; font-weight: 700; display: block; }


/* ── Filter bar ─────────────────────────────────────── */

.filter-bar {
  padding: 6px 8px 10px;
  background: var(--c-list-bg);
  border-bottom: 1px solid var(--c-border);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Summary bar: count + total amount */
.pay-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 12px;
  font-size: 11px;
  color: var(--c-text-secondary);
  background: var(--c-panel-bg);
  border-bottom: 1px solid var(--c-border);
  flex-shrink: 0;
  min-height: 24px;
}
.pay-summary strong { color: var(--c-text); font-weight: 700; }

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.filter-btn {
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--c-border);
  background: var(--c-panel-bg);
  color: var(--c-text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background .1s, color .1s, border-color .1s;
}

.filter-btn:hover { border-color: var(--c-accent); color: var(--c-accent); }

.filter-btn.active {
  background: var(--c-accent);
  color: #fff;
  border-color: var(--c-accent);
}

/* Date range row inside filter bar */
.filter-row-dates {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.date-range-sep { flex: 1; min-width: 8px; }
.date-range-dash { color: var(--c-text-secondary); font-size: 12px; }

.date-input {
  padding: 3px 7px;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  background: var(--c-panel-bg);
  color: var(--c-text);
  font-size: 12px;
  cursor: pointer;
  width: 132px;
}
.date-input:focus { outline: none; border-color: var(--c-accent); }

.apt-bal-input { width: 80px; }
.apt-bal-input::-webkit-inner-spin-button { opacity: .5; }


/* ── Settings form ──────────────────────────────────── */

.settings-form {
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.settings-section {
  background: var(--c-panel-bg);
  border-radius: 6px;
  padding: 12px 14px;
}

.settings-section-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--c-text-secondary);
  margin-bottom: 10px;
}

.settings-field {
  margin-bottom: 10px;
}

.settings-field:last-child { margin-bottom: 0; }

.settings-field label {
  display: block;
  font-size: 12px;
  color: var(--c-text-secondary);
  margin-bottom: 4px;
}

.settings-field input[type="number"],
.settings-field input[type="text"],
.settings-field textarea {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color .15s;
  resize: vertical;
}

.settings-field input:focus,
.settings-field textarea:focus { border-color: var(--c-accent); }

.settings-field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.settings-field-row label { margin-bottom: 0; }

.settings-field-row input[type="checkbox"] {
  width: 18px; height: 18px; cursor: pointer;
}

.settings-field-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.settings-save-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}

.settings-save-status {
  font-size: 12px;
  font-weight: 500;
}

.settings-hint {
  font-size: 12px;
  color: var(--c-text-secondary);
  margin-bottom: 10px;
  line-height: 1.4;
}

.settings-actions-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.action-log {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 200px;
  overflow-y: auto;
}

.action-log-entry {
  font-size: 12px;
  font-family: monospace;
  padding: 5px 8px;
  background: var(--c-list-bg);
  border-radius: 4px;
  color: var(--c-text);
}

.action-log-entry.error { color: var(--c-negative); }


/* ── Load more button ───────────────────────────────── */

.load-more-btn {
  display: block;
  width: 100%;
  padding: 10px;
  margin-top: 4px;
  border: 1px dashed var(--c-border);
  border-radius: 6px;
  background: transparent;
  color: var(--c-text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: border-color .1s;
}

.load-more-btn:hover { border-color: var(--c-accent); color: var(--c-accent); }


/* ── Scrollbar ──────────────────────────────────────── */

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--c-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #d1d5db; }


/* ── User contacts in apartment card ────────────────── */

.apt-contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.user-row .detail-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.user-tg { font-size: 13px; }

.user-contacts { display: flex; flex-wrap: wrap; gap: 6px; }

.contact-link {
  font-size: 11px;
  color: var(--c-accent);
  text-decoration: none;
}
.contact-link:hover { text-decoration: underline; }


/* ── Theme toggle button ────────────────────────────── */

.sidebar-theme-btn {
  background: none;
  border: none;
  color: var(--c-sidebar-text);
  font-size: 12px;
  cursor: pointer;
  padding: 6px 12px;
  width: 100%;
  text-align: left;
  border-radius: 6px;
  transition: background .12s, color .12s;
  margin-bottom: 4px;
}
.sidebar-theme-btn:hover {
  background: var(--c-sidebar-hover-bg);
  color: #fff;
}


/* ── Dark theme (VS Code-style) ─────────────────────── */

[data-theme="dark"] {
  --c-sidebar-bg:        #252526;
  --c-sidebar-text:      #bbbbbb;
  --c-sidebar-hover-bg:  #2a2d2e;
  --c-sidebar-active-bg: #094771;
  --c-sidebar-active:    #ffffff;

  --c-accent:   #4fc1ff;
  --c-list-bg:  #1e1e1e;
  --c-panel-bg: #252526;
  --c-border:   #474747;

  --c-text:           #d4d4d4;
  --c-text-secondary: #9d9d9d;
  --c-positive:       #4ec9b0;
  --c-negative:       #f48771;

  --c-muted:   #858585;
  --c-warning: #dcdcaa;

  --shadow-sm: 0 1px 4px rgba(0,0,0,.4);
}

[data-theme="dark"] .sidebar-footer {
  border-top-color: #3c3c3c;
}

[data-theme="dark"] .badge-green  { background: #1b3a2b; color: #4ec9b0; }
[data-theme="dark"] .badge-red    { background: #3d1e1e; color: #f48771; }
[data-theme="dark"] .badge-blue   { background: #1b2b3d; color: #4fc1ff; }
[data-theme="dark"] .badge-yellow { background: #36341a; color: #dcdcaa; }
[data-theme="dark"] .badge-gray   { background: #3a3a3a; color: #9d9d9d; }

[data-theme="dark"] .field input,
[data-theme="dark"] .settings-field input[type="number"],
[data-theme="dark"] .settings-field input[type="text"],
[data-theme="dark"] .settings-field textarea {
  background: #3c3c3c;
  color: var(--c-text);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background: #555; }