:root {
    --bg: #111;
    --panel: #15191f;
    --ink: #e6edf3;
    --muted: #9fb0c2;
    --accent: #ff7a00;
    --accent-ink: #111;
    --bd: #222831;
    --radius: 14px;
    --shadow: 0 12px 30px rgba(0, 0, 0, .35);
    --gap: 18px;
    --gap-lg: 28px;
    --gap-sm: 10px;
    --fs-body: 16px;
    --fs-sm: 14px;
    --fs-lg: 18px;
    --fs-h1: 28px;
    --fs-h2: 22px;
}

* {
    box-sizing: border-box
}

html, body {
    height: 100%
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: var(--fs-body)/1.55 system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
}

a.link {
    color: var(--ink);
    text-decoration: none;
    border-bottom: 1px dashed var(--muted)
}

header {
    position: relative
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1000px;
    margin: 0 auto;
    padding: 16px 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--ink)
}

.brand img {
    width: 28px;
    height: 28px;
    display: block
}

.brand span {
    font-weight: 800;
    letter-spacing: 0.2px
}

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

.lang button {
    padding: 6px 12px;
    border-radius: 999px;
    font-weight: 700;
    box-shadow: none;
    cursor: pointer;
    border: 1px solid var(--bd);
    background: var(--panel);
    color: var(--ink);
}

.lang .active {
    background: var(--accent);
    color: var(--accent-ink);
    border-color: transparent;
}

.container {
    max-width: 900px;
    margin: 24px auto;
    padding: 0 20px
}

.card {
    background: var(--panel);
    border: 1px solid var(--bd);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
}

h1 {
    font-size: var(--fs-h1);
    margin: 0 0 6px
}

h2 {
    font-size: var(--fs-h2);
    margin: 0 0 12px
}

.subtle {
    color: var(--muted);
    font-size: var(--fs-sm);
    margin-top: 4px
}

.divider {
    height: 1px;
    background: var(--bd);
    margin: var(--gap-lg) 0
}

button {
    background: var(--accent);
    color: var(--accent-ink);
    border: none;
    padding: 10px 16px;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: filter .15s, transform .08s;
    font-size: 15px;
}

button:hover {
    filter: brightness(1.05)
}

button:active {
    transform: translateY(1px)
}

.btn-ghost {
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--bd);
    padding: 8px 12px;
    border-radius: 12px;
    font-weight: 700;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form .row {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

label {
    font-weight: 600;
    font-size: 15px
}

input, select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--bd);
    background: #0f1319;
    color: var(--ink);
    outline: none;
    font-size: 15px;
}

input::placeholder {
    color: #6f7b89
}

.form .hint {
    color: var(--muted);
    font-size: var(--fs-sm);
}

.btn-row {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 4px
}

.grid-2 {
    display: grid;
    grid-template-columns:1fr;
    gap: var(--gap);
}

@media (min-width: 760px) {
    .grid-2 {
        grid-template-columns:1fr 1fr
    }
}

.list {
    list-style: none;
    padding: 0;
    margin: 10px 0 0;
    display: grid;
    gap: 12px
}

.item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #0f1319;
    border: 1px solid var(--bd);
    border-radius: 12px;
    padding: 12px 14px;
    cursor: pointer;
}

.item .name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700
}

.holder {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 122, 0, .15);
}

.actions {
    display: flex;
    gap: 8px
}

.back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--ink)
}

.back:before {
    content: "←";
    opacity: .9
}