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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: #0b1120;
    color: #f8fafc;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.header {
    background-color: #1e293b;
    padding: 18px 0;
    border-bottom: 1px solid #334155;
}

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

.logo {
    font-size: 22px;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
}

.logo span {
    color: #6366f1;
}

.lang-nav {
    display: flex;
    gap: 8px;
}

.lang-nav a {
    text-decoration: none;
    color: #94a3b8;
    font-size: 14px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.lang-nav a:hover {
    color: #ffffff;
    background-color: #334155;
}

.lang-nav a.active {
    color: #ffffff;
    background-color: #6366f1;
}

.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 0;
}

.form-container {
    text-align: center;
    background-color: #1e293b;
    padding: 50px 40px;
    border-radius: 16px;
    border: 1px solid #334155;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #ffffff;
}

.subtitle {
    font-size: 16px;
    color: #94a3b8;
    margin-bottom: 32px;
}

.download-form {
    max-width: 750px;
    margin: 0 auto;
}

.input-group {
    display: flex;
    gap: 12px;
    align-items: center;
}

input[type="url"] {
    flex: 2;
    min-width: 250px;
    padding: 16px 20px;
    font-size: 15px;
    background-color: #0f172a;
    border: 1px solid #334155;
    color: #ffffff;
    border-radius: 10px;
    outline: none;
    transition: border-color 0.2s ease;
}

input[type="url"]:focus {
    border-color: #6366f1;
}

/* Кастомный стиль для выпадающего списка качества */
.quality-select {
    flex: 1;
    min-width: 150px;
    padding: 16px 40px 16px 18px;
    font-size: 15px;
    font-weight: 500;
    background-color: #0f172a;
    border: 1px solid #334155;
    color: #ffffff;
    border-radius: 10px;
    outline: none;
    cursor: pointer;
    transition: all 0.2s ease;
    
    /* Скрываем стандартную стрелку браузера */
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    
    /* Добавляем аккуратную SVG-стрелку под цвет основной темы */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%256366f1'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2.5' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 18px;
}

.quality-select:hover {
    border-color: #475569;
}

.quality-select:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.quality-select option {
    background-color: #0f172a;
    color: #ffffff;
    padding: 10px;
}

button[type="submit"] {
    background-color: #6366f1;
    color: #ffffff;
    border: none;
    padding: 16px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    white-space: nowrap;
}

button[type="submit"]:hover {
    background-color: #4f46e5;
}

.footer {
    background-color: #0b1120;
    border-top: 1px solid #1e293b;
    color: #64748b;
    padding: 20px 0;
    text-align: center;
    font-size: 14px;
}

@media (max-width: 640px) {
    .input-group {
        flex-direction: column;
    }
    input[type="url"], .quality-select, button[type="submit"] {
        width: 100%;
    }
}