*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, sans-serif;
    background: #0f1419;
    color: #e7ecf1;
    line-height: 1.5;
}

.panel {
    max-width: 720px;
    margin: 0 auto;
    padding: 32px 20px 64px;
}

.panel__head h1 {
    margin: 0 0 6px;
    font-size: 1.6rem;
}

.panel__head p {
    margin: 0 0 24px;
    color: #9aa7b5;
}

.card {
    background: #1a222c;
    border: 1px solid #2a3542;
    border-radius: 10px;
    padding: 20px 22px;
    margin-bottom: 18px;
}

.card h2 {
    margin: 0 0 14px;
    font-size: 1.05rem;
}

.stats {
    list-style: none;
    margin: 0 0 12px;
    padding: 0;
    display: grid;
    gap: 8px;
}

.stats li {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 8px 0;
    border-bottom: 1px solid #2a3542;
}

.stats li:last-child { border-bottom: none; }

.muted { color: #9aa7b5; font-size: 0.9rem; }
.mono { font-family: ui-monospace, Consolas, monospace; word-break: break-all; }

.cmds {
    margin: 0;
    padding-left: 1.1rem;
}

.cmds code, .sample, code {
    font-family: ui-monospace, Consolas, monospace;
    background: #0f1419;
    padding: 1px 6px;
    border-radius: 4px;
}

.sample {
    display: block;
    padding: 12px;
    overflow-x: auto;
    margin: 8px 0 16px;
    font-size: 0.8rem;
}

.stack {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.9rem;
    color: #c5d0db;
}

input[type="file"],
input[type="password"],
textarea {
    background: #0f1419;
    border: 1px solid #2a3542;
    border-radius: 6px;
    color: #e7ecf1;
    padding: 10px 12px;
    font: inherit;
}

.btn {
    appearance: none;
    border: 0;
    background: #3d8bfd;
    color: #fff;
    font: inherit;
    font-weight: 600;
    padding: 10px 16px;
    border-radius: 6px;
    cursor: pointer;
    width: fit-content;
}

.btn:hover { background: #5a9dff; }

.flash {
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.flash--ok {
    background: #143525;
    border: 1px solid #1f6b40;
    color: #b6f0cb;
}

.flash--err {
    background: #3a1515;
    border: 1px solid #8b2e2e;
    color: #ffc9c9;
}

.row { margin-top: 12px; }