/*
 * Base styles — reset, typography, form elements.
 */

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

html {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: var(--bg-app);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  overflow: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
}
h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }

/* Form elements */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="search"],
textarea,
select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast);
}
input:focus, textarea:focus, select:focus {
  border-color: var(--border-input-focus);
}
input::placeholder, textarea::placeholder {
  color: var(--text-tertiary);
}

label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast), opacity var(--transition-fast);
  white-space: nowrap;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--bg-btn-primary);
  color: var(--text-btn-primary);
}
.btn-primary:hover:not(:disabled) {
  opacity: 0.9;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
  text-decoration: none;
}

.btn-danger {
  color: var(--color-error);
}

.btn-full {
  width: 100%;
}

/* Alerts */
.alert {
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin-bottom: 1rem;
}
.alert-error {
  background: color-mix(in srgb, var(--color-error) 15%, var(--bg-surface));
  color: var(--color-error);
}

/* Form helpers */
.form-field {
  margin-bottom: 1rem;
}
.form-field-sm {
  max-width: 100px;
}
.form-row {
  display: flex;
  gap: 0.75rem;
}
.form-row .form-field {
  flex: 1;
}

/* Utilities */
[x-cloak] { display: none !important; }

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--gray-8);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gray-7);
}