:root {
    --pine: #013220;
    --pine-2: #04271a;
    --pine-card: #0a3d28;
    --pine-line: #11533a;
    --fuchsia: #ff62ff;
    --fuchsia-dim: #c93fc9;
    --text: #eafff2;
    --text-soft: #9fccb4;
    --danger: #ff5d6c;
    --ok: #5be0a0;
    --radius: 14px;
    --shadow: 0 18px 50px rgba(0, 0, 0, .45);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(1100px 600px at 15% -10%, rgba(255, 98, 255, .14), transparent 60%),
        radial-gradient(900px 500px at 110% 120%, rgba(255, 98, 255, .10), transparent 55%),
        linear-gradient(160deg, var(--pine) 0%, var(--pine-2) 100%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--fuchsia); }

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    letter-spacing: .5px;
    font-size: 1.25rem;
}
.brand b { color: var(--fuchsia); }
.brand-dot {
    width: 12px; height: 12px; border-radius: 50%;
    background: var(--fuchsia);
    box-shadow: 0 0 16px var(--fuchsia);
}

/* ── Центрированная «карточная» компоновка для главной/логина ── */
.center-wrap {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

.card {
    width: 100%;
    max-width: 420px;
    background: linear-gradient(180deg, rgba(13, 64, 43, .92), rgba(6, 38, 26, .92));
    border: 1px solid var(--pine-line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 30px 26px;
    backdrop-filter: blur(6px);
}

.card-head { text-align: center; margin-bottom: 22px; }
.card h1 { font-size: 1.5rem; margin: 14px 0 6px; }
.card .sub { color: var(--text-soft); font-size: .92rem; margin: 0; }

label {
    display: block;
    font-size: .82rem;
    color: var(--text-soft);
    margin: 0 0 7px;
}

.input {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    color: var(--text);
    background: rgba(0, 0, 0, .28);
    border: 1px solid var(--pine-line);
    border-radius: 11px;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.input::placeholder { color: #6fae8e; }
.input:focus {
    border-color: var(--fuchsia);
    box-shadow: 0 0 0 3px rgba(255, 98, 255, .22);
}

.field { margin-bottom: 16px; }

.btn {
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
    font-weight: 700;
    color: #1a0020;
    background: linear-gradient(180deg, var(--fuchsia), var(--fuchsia-dim));
    border: none;
    border-radius: 11px;
    cursor: pointer;
    transition: transform .06s ease, filter .15s, opacity .15s;
}
.btn:hover { filter: brightness(1.06); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .6; cursor: not-allowed; }

.btn-ghost {
    background: transparent;
    color: var(--fuchsia);
    border: 1px solid var(--fuchsia);
    width: auto;
    padding: 9px 16px;
    font-size: .9rem;
}

.alert {
    border-radius: 11px;
    padding: 12px 14px;
    font-size: .92rem;
    margin-bottom: 16px;
    border: 1px solid transparent;
}
.alert-success { background: rgba(91, 224, 160, .12); border-color: rgba(91, 224, 160, .4); color: var(--ok); }
.alert-error   { background: rgba(255, 93, 108, .12); border-color: rgba(255, 93, 108, .4); color: var(--danger); }

.is-hidden { display: none !important; }
.mt-2 { margin-top: 14px; }
.muted { color: var(--text-soft); font-size: .8rem; }

/* ── Админ-панель ── */
.admin-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--pine-line);
    background: rgba(0, 0, 0, .2);
    flex-wrap: wrap;
    gap: 12px;
}
.admin-wrap { max-width: 880px; margin: 0 auto; padding: 24px 16px 60px; }
.panel {
    background: linear-gradient(180deg, rgba(13, 64, 43, .9), rgba(6, 38, 26, .9));
    border: 1px solid var(--pine-line);
    border-radius: var(--radius);
    padding: 22px;
    margin-bottom: 22px;
    box-shadow: var(--shadow);
}
.panel h2 { font-size: 1.1rem; margin: 0 0 16px; }

.add-form { display: flex; gap: 10px; flex-wrap: wrap; }
.add-form .input { flex: 1 1 220px; }
.add-form .btn { width: auto; flex: 0 0 auto; padding: 14px 22px; }

.codes-list { list-style: none; margin: 0; padding: 0; }
.code-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 13px 14px;
    border: 1px solid var(--pine-line);
    border-radius: 11px;
    margin-bottom: 10px;
    background: rgba(0, 0, 0, .18);
}
.code-row.used { opacity: .6; }
.code-info { min-width: 0; }
.code-value {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 1.02rem;
    font-weight: 700;
    word-break: break-all;
}
.code-tags { margin-top: 4px; display: flex; gap: 8px; flex-wrap: wrap; }
.tag { font-size: .72rem; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--pine-line); color: var(--text-soft); }
.tag.used-tag { color: var(--fuchsia); border-color: var(--fuchsia); }
.code-actions { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }

/* Тумблер вкл/выкл */
.switch { position: relative; display: inline-block; width: 50px; height: 28px; flex: 0 0 auto; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
    position: absolute; cursor: pointer; inset: 0;
    background: #0c3324; border: 1px solid var(--pine-line);
    border-radius: 999px; transition: .2s;
}
.slider::before {
    content: ""; position: absolute; height: 20px; width: 20px;
    left: 3px; top: 3px; background: #7fae97; border-radius: 50%; transition: .2s;
}
.switch input:checked + .slider { background: rgba(255, 98, 255, .25); border-color: var(--fuchsia); }
.switch input:checked + .slider::before { transform: translateX(22px); background: var(--fuchsia); box-shadow: 0 0 10px var(--fuchsia); }

.icon-btn {
    background: transparent; border: none; color: var(--text-soft);
    cursor: pointer; font-size: 1.1rem; line-height: 1; padding: 4px;
}
.icon-btn:hover { color: var(--danger); }

.empty { color: var(--text-soft); text-align: center; padding: 18px; }

@media (max-width: 560px) {
    .card { padding: 24px 18px; }
    .admin-wrap { padding: 16px 12px 48px; }
    .add-form .btn { width: 100%; }
    .code-row { flex-direction: column; align-items: stretch; }
    .code-actions { justify-content: space-between; }
}