/* ===== Global styles - Ristoword (tema scuro = sidebar) ===== */
:root {
  --color-primary: #0d9488;
  --color-primary-dark: #0f766e;
  --color-primary-light: #14b8a6;
  --color-accent: #f59e0b;
  --color-accent-hover: #d97706;
  --color-bg: #0f172a;
  --color-bg-dark: #0f172a;
  --color-bg-content: #1e293b;
  --color-surface: #1e293b;
  --color-surface-hover: #334155;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-border: rgba(148, 163, 184, 0.2);
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-info: #3b82f6;
  --color-purple: #8b5cf6;
  --color-danger: #ef4444;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --sidebar-width: 260px;
  --topbar-height: 64px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Form validation - tema scuro */
.form-input.is-invalid,
.form-textarea.is-invalid {
  border-color: var(--color-danger);
}

.form-input.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25);
}

/* Language switcher */
#languageSwitcher {
  font-family: inherit;
  font-size: 0.875rem;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-content);
  color: var(--color-text);
  cursor: pointer;
  margin-right: 0.5rem;
}
#languageSwitcher:focus {
  outline: none;
  border-color: var(--color-primary);
}