:root {
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #eff6ff;
  --color-secondary: #0d9488;
  --color-secondary-hover: #0f766e;
  --color-accent: #7c3aed;
  --color-accent-hover: #6d28d9;
  --color-success: #16a34a;
  --color-success-hover: #15803d;
  --color-danger: #dc2626;
  --color-danger-hover: #b91c1c;
  --color-warning: #f59e0b;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-text-soft: #94a3b8;
  --color-surface: #ffffff;
  --color-bg: #f1f5f9;
  --color-bg-warm: #f8fafc;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
  --transition: 0.2s ease;
}

/* Dark Theme */
[data-theme="dark"] {
  --color-primary: #3b82f6;
  --color-primary-hover: #60a5fa;
  --color-primary-light: #1e3a5f;
  --color-secondary: #14b8a6;
  --color-secondary-hover: #2dd4bf;
  --color-accent: #a78bfa;
  --color-accent-hover: #c4b5fd;
  --color-success: #22c55e;
  --color-success-hover: #4ade80;
  --color-danger: #ef4444;
  --color-danger-hover: #f87171;
  --color-warning: #fbbf24;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-text-soft: #64748b;
  --color-surface: #1e293b;
  --color-bg: #0f172a;
  --color-bg-warm: #1e293b;
  --color-border: #334155;
  --color-border-strong: #475569;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
  background: linear-gradient(160deg, var(--color-bg-warm) 0%, var(--color-border) 50%, var(--color-bg) 100%);
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}

[data-theme="dark"] body {
  background: linear-gradient(160deg, var(--color-bg-warm) 0%, #0f172a 50%, var(--color-bg) 100%);
}

#root {
  min-height: 100vh;
}

button {
  cursor: pointer;
  font: inherit;
  transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
button:hover:not(:disabled) {
  transform: translateY(-1px);
}
button:active:not(:disabled) {
  transform: translateY(0);
}
button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

input,
textarea {
  font: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}
input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}

/* Блок выбора папки на странице Задачи — всегда видим */
.tasks-sources[data-section="path-selection"] {
  display: block !important;
  visibility: visible !important;
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 13px;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.theme-toggle:hover {
  background: var(--color-bg-warm);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.theme-toggle-icon {
  font-size: 16px;
}

/* Dark theme specific overrides */
[data-theme="dark"] input,
[data-theme="dark"] textarea {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
  color: var(--color-text-soft);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

[data-theme="dark"] select {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

[data-theme="dark"] code,
[data-theme="dark"] pre {
  background: #0f172a;
  color: #e2e8f0;
}