/* Modern Classless CSS Framework - Optimized */

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #ec4899;
  --accent: #14b8a6;
  --bg: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --text: #111827;
  --text-secondary: #6b7280;
  --border: #e5e7eb;
  --radius: 12px;
  --radius-sm: 6px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --max-width: 1280px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family:
    Avenir, Montserrat, Corbel, "URW Gothic", source-sans-pro, sans-serif;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
}

.selector-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text);
}

.selector-container h2 {
  color: var(--primary);
  border-bottom: none;
  padding-bottom: 0;
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
  background-clip: unset;
}

.selector-container label {
  color: var(--text);
}

.selector-container select {
  background-color: var(--bg);
  color: var(--text);
  border: 2px solid var(--border);
}

.selector-container select:focus {
  border-color: var(--primary);
  outline: none;
}

.status {
  background-color: var(--bg-secondary);
  border-left-color: var(--primary);
  color: var(--text);
}

.demo-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 2rem 1.5rem;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.2;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 1rem;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-top: 0;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}
h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}
h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}
h5 {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
}
h6 {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
}

p {
  margin-bottom: 1.25rem;
}

a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  background: linear-gradient(var(--primary), var(--primary)) 0 100% / 0 2px
    no-repeat;
}

a:hover {
  color: var(--primary-dark);
  background-size: 100% 2px;
}

strong,
b {
  font-weight: 600;
  color: var(--text);
}

em,
i {
  font-style: italic;
}

small {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Lists */
ul,
ol {
  margin: 1.5rem 0;
  padding-left: 1.5rem;
}

li {
  margin: 0.75rem 0;
  padding-left: 0.5rem;
}

/* Forms */
select,
button {
  font-family: inherit;
  font-size: 1rem;
}

select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background-color: var(--bg);
  color: var(--text);
  transition: var(--transition);
  margin: 0.75rem 0;
}

select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

button {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
  color: white;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
  margin: 0.75rem 0.75rem 0.75rem 0;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

button::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition:
    width 0.6s,
    height 0.6s;
}

button:hover::after {
  width: 300px;
  height: 300px;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

button:active {
  transform: translateY(0);
}

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

label {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text);
}

/* Utilities */
[hidden] {
  display: none !important;
}

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

/* Responsive */
@media (max-width: 768px) {
  body {
    padding: 1.5rem 1rem;
  }
}