/* Стили приложения Kroy Web (Light & Dark Theme) */
:root {
  --bg-window: #f8fafc;
  --bg-panel: #ffffff;
  --bg-card: #ffffff;
  --bg-alt: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #cbd5e1;
  --border-soft: #e2e8f0;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-light: #eff6ff;
  --ok: #16a34a;
  --bad: #dc2626;
  --warn: #d97706;
  --warn-bg: #fef3c7;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] {
  --bg-window: #0f172a;
  --bg-panel: #1e293b;
  --bg-card: #1e293b;
  --bg-alt: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --border-soft: #1e293b;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-light: #1e3a8a;
  --ok: #22c55e;
  --bad: #ef4444;
  --warn: #f59e0b;
  --warn-bg: #451a03;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-window);
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* Header & Navbar */
header {
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow);
  z-index: 10;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.logo-badge {
  background-color: var(--accent-light);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
}

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

/* Main Container & Tabs */
.app-container {
  display: flex;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
}

.nav-tabs {
  display: flex;
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border-color);
  padding: 0 16px;
  gap: 4px;
}

.tab-btn {
  padding: 12px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
}

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

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

.tab-content {
  display: none;
  flex: 1;
  flex-direction: column;
  padding: 16px;
  overflow: hidden;
}

.tab-content.active {
  display: flex;
}

/* Toolbar & Buttons */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-main);
  transition: all 0.15s ease-in-out;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn:hover {
  background-color: var(--bg-alt);
  border-color: var(--text-muted);
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

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

.btn-sm {
  padding: 4px 10px;
  font-size: 0.825rem;
}

.search-input {
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-main);
  outline: none;
  flex: 1;
  max-width: 320px;
}

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

/* Form Controls & Sidebar */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 8px;
}

.form-group label {
  font-size: 0.825rem;
  color: var(--text-muted);
  font-weight: 500;
}

.form-control {
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-main);
  outline: none;
  font-size: 0.875rem;
  width: 100%;
}

.form-control:focus {
  border-color: var(--accent);
}

select.compact-select {
  padding: 6px 8px;
  font-size: 0.85rem;
  border-radius: 6px;
}

/* Table styling */
.table-wrapper {
  flex: 1;
  overflow: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-card);
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

table.data-table th {
  background-color: var(--bg-alt);
  color: var(--text-main);
  padding: 10px 12px;
  font-weight: 600;
  position: sticky;
  top: 0;
  border-bottom: 1px solid var(--border-color);
  z-index: 2;
}

table.data-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border-soft);
}

table.data-table tr:hover {
  background-color: var(--bg-alt);
}

table.data-table tr.selected {
  background-color: var(--accent-light);
}

table.data-table input[type="text"],
table.data-table input[type="number"] {
  width: 100%;
  padding: 4px 8px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 0.875rem;
}

table.data-table input:focus {
  border-color: var(--accent);
  outline: 2px solid var(--accent-light);
}

/* Layout Canvas Viewer */
.viewer-container {
  display: flex;
  flex: 1;
  gap: 16px;
  overflow: hidden;
}

.viewer-sidebar {
  width: 300px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
}

.viewer-canvas-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}

canvas#sheetCanvas {
  flex: 1;
  width: 100%;
  height: 100%;
  cursor: grab;
}

canvas#sheetCanvas:active {
  cursor: grabbing;
}

.canvas-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background-color: var(--bg-alt);
  border-bottom: 1px solid var(--border-color);
}

/* Status Bar */
footer.status-bar {
  background-color: var(--bg-panel);
  border-top: 1px solid var(--border-color);
  padding: 6px 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}