/* F&H Command - Base Styles */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-base);
  background-image:
    radial-gradient(ellipse at top, rgba(107, 79, 187, 0.15), transparent 50%),
    radial-gradient(ellipse at bottom, rgba(184, 164, 232, 0.05), transparent 50%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  /* Respect safe areas on notched phones (iPhone 14 Pro etc.) */
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: var(--leading-tight);
  color: var(--text-primary);
}

a {
  color: var(--accent-lavender);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Form elements - dark theme defaults */
input, textarea, select, button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

input, textarea, select {
  background: var(--bg-input);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--primary-purple);
  box-shadow: 0 0 0 3px rgba(107, 79, 187, 0.25);
}

input::placeholder, textarea::placeholder {
  color: var(--text-tertiary);
}

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

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Scrollbars (webkit) */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
  background: var(--border-accent);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-strong);
}

/* Selection */
::selection {
  background: var(--primary-purple);
  color: var(--text-primary);
}

/* Utility: visually hidden but accessible */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-accent);
  border-top-color: var(--primary-purple);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

.spinner-lg {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Fade in */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn var(--transition-slow) ease-out;
}