@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --bg-color: #0f0f0f;
    --second-bg-color: #1a1a1a;
    --text-color: #ffffff;
    --accent-color: #ff0000;
    --accent-gradient: linear-gradient(45deg, #00bbff, #8af3ff);
    --card-bg-color: #1a1a1a;
    --input-bg-color: #2a2a2a;
    --border-color: #333333;
    --hover-color: #2c2c2c;
    --invalid-color: #ff0000;
    --valid-color: #00ff00;
}

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

body, html {
    font-family: 'Poppins', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

header {
    background-color: var(--second-bg-color);
    backdrop-filter: blur(20px);
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

a {
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.main_section {
    max-width: 900px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--second-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    animation: fadeIn 0.4s ease both;
}

.main_section h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.main_section p {
    color: #ccc;
}

#lang-popup {
    position: fixed;
    bottom: 20px;
    left: 0;
    right: 0;
    display: none;
    justify-content: center;
    z-index: 9999;
}

.lang-box {
    background: var(--second-bg-color);
    color: var(--text-color);
    padding: 16px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,.3);
    max-width: 420px;
    width: calc(100% - 40px);
}

.lang-box p {
    margin: 0 0 12px;
}

.buttons {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

button {
    padding: 6px 14px;
    border: 0;
    border-radius: 4px;
    cursor: pointer;
}

button:first-child {
    background: #4caf50;
    color: #fff;
}

button:last-child {
    background: #555;
    color: #fff;
}