:root {
--bg-primary: #0a0e27;
--bg-secondary: #1a1f3a;
--bg-card: #252b48;
--text-primary: #ffffff;
--text-secondary: #b8c5d6;
--accent-primary: #5865f2;
--accent-secondary: #7289da;
--shadow: rgba(0, 0, 0, 0.3);
}

[data-theme="light"] {
--bg-primary: #f0f2f5;
--bg-secondary: #ffffff;
--bg-card: #ffffff;
--text-primary: #2c2f33;
--text-secondary: #5c6370;
--accent-primary: #5865f2;
--accent-secondary: #7289da;
--shadow: rgba(0, 0, 0, 0.1);
}

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

html, body {
    height: 100%;
}

body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
line-height: 1.6;
color: var(--text-primary);
background: var(--bg-primary);
min-height: 100vh;
transition: background 0.3s, color 0.3s;
display: flex;
flex-direction: column;
}

main {
flex: 1;
}

.container {
max-width: 1200px;
margin: 0 auto;
padding: 0 20px;
}

.page {
display: none;
}

.page.active {
display: block;
}

/* Header */
header {
background: var(--bg-secondary);
padding: 1rem 0;
position: sticky;
top: 0;
z-index: 1000;
box-shadow: 0 2px 10px var(--shadow);
transition: background 0.3s;
}

.header-content {
display: flex;
justify-content: space-between;
align-items: center;
flex-wrap: wrap;
gap: 1rem;
}

.logo {
font-size: 1.8rem;
font-weight: bold;
color: var(--accent-primary);
display: flex;
align-items: center;
gap: 0.5rem;
cursor: pointer;
}

.logo::before {
content: "⚔️";
font-size: 1.5rem;
}

nav {
display: flex;
gap: 2rem;
align-items: center;
}

nav a {
text-decoration: none;
color: var(--text-primary);
font-weight: 500;
transition: color 0.3s;
cursor: pointer;
padding: 0.5rem 1rem;
border-radius: 5px;
}

nav a:hover, nav a.active {
color: var(--accent-primary);
background: var(--bg-card);
}

.header-controls {
display: flex;
gap: 1rem;
align-items: center;
}

.lang-selector {
padding: 0.5rem 1rem;
border: 2px solid var(--accent-primary);
border-radius: 20px;
background: var(--bg-card);
color: var(--text-primary);
font-weight: 500;
cursor: pointer;
transition: all 0.3s;
}

.lang-selector:hover {
background: var(--accent-primary);
color: white;
}

.theme-toggle {
width: 50px;
height: 50px;
border: none;
border-radius: 50%;
background: var(--bg-card);
color: var(--text-primary);
font-size: 1.5rem;
cursor: pointer;
transition: all 0.3s;
box-shadow: 0 2px 10px var(--shadow);
}

.theme-toggle:hover {
transform: scale(1.1);
background: var(--accent-primary);
}

/* Footer */
footer {
background: var(--bg-secondary);
color: var(--text-primary);
padding: 3rem 2rem 2rem;
transition: background 0.3s;
}

.footer-content {
max-width: 1200px;
margin: 0 auto;
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 2rem;
margin-bottom: 2rem;
}

.footer-section h3 {
color: var(--accent-primary);
margin-bottom: 1rem;
}

.footer-section a {
color: var(--text-secondary);
text-decoration: none;
display: block;
margin-bottom: 0.5rem;
transition: color 0.3s;
cursor: pointer;
}

.footer-section a:hover {
color: var(--accent-primary);
}

.footer-bottom {
text-align: center;
padding-top: 2rem;
border-top: 1px solid var(--shadow);
color: var(--text-secondary);
}

/* Mobile */
@media (max-width: 768px) {
nav {
    width: 100%;
    justify-content: center;
}

.hero h1 {
    font-size: 2rem;
}

.hero p {
    font-size: 1rem;
}

h2 {
    font-size: 2rem !important;
}

.cta-buttons {
    flex-direction: column;
    align-items: stretch;
}

.btn {
    width: 100%;
    justify-content: center;
}

.header-controls {
    width: 100%;
    justify-content: center;
}
}