body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    background: #0b1120;
    color: white;
}

/* фон */
.bg {
    position: fixed;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top, #1e3a8a, #020617);
    z-index: -1;
}

/* карточка */
.login-box {
    width: 320px;
    margin: 120px auto;
    padding: 30px;
    background: rgba(15, 23, 42, 0.9);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    text-align: center;
    box-shadow: 0 0 30px rgba(0,0,0,0.6);
}

h1 {
    margin-bottom: 5px;
}

.subtitle {
    font-size: 13px;
    color: #94a3b8;
    margin-bottom: 20px;
}

input {
    width: 100%;
    padding: 12px;
    margin-bottom: 12px;
    border-radius: 6px;
    border: none;
    background: #020617;
    color: white;
}

input:focus {
    outline: 1px solid #3b82f6;
}

/* кнопка */
button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 6px;
    background: #3b82f6;
    color: white;
    cursor: pointer;
    transition: 0.2s;
}

button:hover {
    background: #2563eb;
}

/* загрузка */
.loader {
    margin: 15px auto;
    border: 3px solid #1e293b;
    border-top: 3px solid #3b82f6;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

.hidden {
    display: none;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.status {
    font-size: 13px;
    color: #94a3b8;
}