* {
    box-sizing: border-box;
    font-family: system-ui, sans-serif;
}

body {
    background: #020617;
    color: #e5e7eb;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    align-items: flex-start;
    margin: 0;
    padding-top: 20px;
}

.container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
    margin-top: -20px;
}

.hidden {
    display: none;
}

h2 {
    text-align: center;
    margin-bottom: 20px;
    font-weight: 600;
}

.author {
    text-align: center;
    margin-top: 20px;
    font-weight: 200;
    color: #FFD1D1;
    background-color: #941105;
    padding: 5px 8px;
    border-radius: 3px;
}

.yellow {
    color: #ff0;
}

.yellow-background {
    background-color: #ff0;
    color: red;
    padding:3px 10px;
    border-radius: 3px;
    text-align: center;
    margin-bottom: 5px;
}

.red {
    color: #f74f31;
}

.blue {
    color: #8e97fa;
}

.green {
    color: #B0FAA6;
}

.card {
    background: #020617;
    border: 1px solid #1e293b;
    border-radius: 14px;
    padding: 20px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.4);
}

.field {
    margin-bottom: 15px;
}

label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 6px;
    color: #cbd5f5;
}

input {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #1e293b;
    background: #020617;
    color: #fff;
    outline: none;
}

input:focus {
    border-color: #38bdf8;
}

button {
    width: 100%;
    margin-top: 10px;
    padding: 10px;
    border: none;
    border-radius: 10px;
    background: #38bdf8;
    color: #020617;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
}

button:hover {
    opacity: 0.85;
}

.result {
    margin-top: 20px;
    background: #020617;
    border: 1px solid #1e293b;
    border-radius: 14px;
    padding: 15px;
    font-size: 0.95rem;
    line-height: 1.8;
    color: #cbd5f5;
}

.mode {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin: 15px 0 -10px 0px;
}

.mode label {
    cursor: pointer;
    user-select: none;
}

.mode input {
    display: none;
}

.mode span {
    display: inline-block;
    padding: 4px 16px;
    border-radius: 10px;
    border: 1px solid #06709D;
    background: #020617;
    color: #cbd5f5;
    font-size: 0.9rem;
    transition: 0.2s;
}

.mode input:checked + span {
    background: #38bdf8;
    color: #020617;
    border-color: #38bdf8;
    font-weight: 600;
}

.binary {
    font-family: monospace;
    font-size: 0.85rem;
    color: #97218B;

    overflow-wrap: anywhere;
    word-break: break-word;

    line-height: 1.4;
    margin-top: 4px;
    margin-bottom: 8px;
}

.warning {
    display: none;
    margin: 10px 0 10px 0;
    padding: 8px;
    border-left: 4px solid #facc15;
    background: #020617;
    color: #facc15;
    font-size: 0.9rem;
    white-space: pre-line;
}

.warning.show {
    display: block;
}