/**
 * Prevencija.antalgija.lt – pagal RKL / Antalgija stilių
 * Spalvos: žalia (Antalgija), baltas fonas, tamsus tekstas.
 */
:root {
  --color-primary: #2d7a4a;
  --color-primary-dark: #1e5a33;
  --color-primary-light: #3d9a5c;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f8f6;
  --color-text: #222;
  --color-text-muted: #555;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 1200px;
  --spacing: 1.5rem;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
}

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

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

/* Header */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid #e0e6e2;
  padding: var(--spacing) 0;
}
.site-header .inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing);
}
.site-logo {
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--color-primary);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.site-nav a {
  font-weight: 500;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 3rem 0 4rem;
  text-align: center;
}
.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
}
.hero p {
  margin: 0 0 1.5rem;
  font-size: 1.1rem;
  opacity: 0.95;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.hero .btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: #fff;
  color: var(--color-primary);
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}
.hero .btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  text-decoration: none;
}

/* Sections */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem var(--spacing);
}
.section:nth-child(even) {
  background: var(--color-bg-alt);
}
.section h2 {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  color: var(--color-primary-dark);
}
.section h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.15rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-size: 1rem;
  transition: background 0.15s;
}
.btn:hover {
  background: var(--color-primary-dark);
  text-decoration: none;
  color: #fff;
}
.btn-secondary {
  background: #e8efe9;
  color: var(--color-primary);
}
.btn-secondary:hover {
  background: #d0e0d3;
  color: var(--color-primary-dark);
}

/* Footer */
.site-footer {
  background: var(--color-text);
  color: #bbb;
  padding: 2.5rem var(--spacing) 2rem;
  margin-top: 3rem;
}
.site-footer .inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}
.site-footer a {
  color: #ddd;
}
.site-footer a:hover {
  color: #fff;
}
.site-footer .logo {
  color: #fff;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.site-footer p {
  margin: 0.25rem 0;
  font-size: 0.9rem;
}

/* Forms */
input[type="text"],
input[type="email"],
input[type="number"],
input[type="password"],
textarea,
select {
  width: 100%;
  max-width: 400px;
  padding: 0.5rem 0.75rem;
  border: 1px solid #ccc;
  border-radius: var(--radius);
  font: inherit;
}
label {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 500;
}
.form-group {
  margin-bottom: 1rem;
}
.form-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.checkbox-group, .radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.checkbox-group label, .radio-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: normal;
  cursor: pointer;
}
input[type="checkbox"], input[type="radio"] {
  width: auto;
  max-width: none;
}

/* Utilities */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing);
}
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.text-center { text-align: center; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* Admin */
.admin-layout {
  display: flex;
  min-height: 100vh;
}
.admin-sidebar {
  width: 220px;
  background: #2a2a2a;
  color: #ddd;
  padding: 1.5rem 0;
}
.admin-sidebar a {
  display: block;
  padding: 0.5rem 1.5rem;
  color: #ddd;
}
.admin-sidebar a:hover, .admin-sidebar a.active {
  background: rgba(255,255,255,0.1);
  color: #fff;
  text-decoration: none;
}
.admin-main {
  flex: 1;
  padding: 1.5rem 2rem;
  background: var(--color-bg-alt);
}
.admin-main h1 {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  color: var(--color-primary-dark);
}
.page-actions {
  margin-bottom: 1.5rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Cards / list */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}
.list-plain {
  list-style: none;
  margin: 0;
  padding: 0;
}
.list-plain li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #eee;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.list-plain li:last-child { border-bottom: none; }

/* Alerts */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-info { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }