@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,800;1,9..40,400&family=DM+Serif+Display&family=Outfit:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');
@import './tokens.css';
@import './animations.css';

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }
img { max-width: 100%; display: block; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border-hover); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-3); }

/* Focus */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Selection */
::selection { background: rgba(139, 92, 246, 0.3); color: var(--color-text); }

/* Shared component styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 20px;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: #7C3AED; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(139,92,246,0.4); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-border-hover); background: var(--color-surface); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-2);
}
.btn-ghost:hover { background: var(--color-surface-2); color: var(--color-text); }

.btn-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
  border: 1px solid rgba(239, 68, 68, 0.2);
}
.btn-danger:hover { background: rgba(239, 68, 68, 0.2); }

.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: var(--radius-xl); }

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* Input styles */
.input-wrap { display: flex; flex-direction: column; gap: 6px; }
.input-label { font-size: 0.85rem; font-weight: 500; color: var(--color-text-2); }

.input {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 10px 14px;
  color: var(--color-text);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}
.input.error { border-color: var(--color-error); }
.input.success { border-color: var(--color-success); }
.input::placeholder { color: var(--color-text-3); }

/* Card */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

/* Tag / Badge */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  background: rgba(139, 92, 246, 0.1);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

/* Divider */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-6) 0;
}

/* Spinner */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

/* App layout */
#app { min-height: 100vh; }
.app-layout { display: flex; min-height: 100vh; }
.app-sidebar { width: 240px; flex-shrink: 0; }
.app-main { flex: 1; min-width: 0; overflow-x: hidden; }

/* Responsive */
@media (max-width: 768px) {
  .app-sidebar { display: none; }
  .app-sidebar.open { display: flex; position: fixed; top: 0; left: 0; bottom: 0; z-index: var(--z-nav); }
}