:root {
    --bg: #0f1216;
    --bg-card: #171c22;
    --bg-inset: #1f262e;
    --border: #2a323c;
    --text: #e6edf3;
    --text-dim: #8b98a5;
    --accent: #2ea6ff;

    --accent-text: #ffffff;
    --ok: #3fb950;
    --warn: #d29922;
    --err: #f85149;
    --frozen: #58a6ff;
    --radius: 12px;
    --gap: 16px;
    --shadow: 0 1px 3px rgba(0, 0, 0, .4);
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f2f4f7;
        --bg-card: #ffffff;
        --bg-inset: #f0f3f6;
        --border: #d8dee4;
        --text: #1f2328;
        --text-dim: #656d76;
        --accent: #0969da;
        --accent-text: #ffffff;
        --ok: #1a7f37;
        --warn: #9a6700;
        --err: #cf222e;
        --frozen: #0969da;
        --shadow: 0 1px 3px rgba(0, 0, 0, .1);
    }
}

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

html {

    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
}

h1, h2, h3 {
    margin: 0;
    line-height: 1.25;
}

h1 {
    font-size: 22px;
}

h2 {
    font-size: 17px;
}

h3 {
    font-size: 15px;
}

p {
    margin: 0;
}

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

.hidden {
    display: none !important;
}

.offscreen {
    position: fixed;
    top: -9999px;
    left: -9999px;
    opacity: 0;
}

.wrap {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--gap);
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--gap);
    margin-bottom: var(--gap);
    box-shadow: var(--shadow);
}

.card__title {
    margin-bottom: 12px;
    color: var(--text-dim);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;

    min-height: 44px;
    padding: 10px 18px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-inset);
    color: var(--text);
    font: inherit;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
}

.btn:hover:not(:disabled) {
    border-color: var(--accent);
}

.btn:disabled {
    opacity: .45;
    cursor: not-allowed;
}

.btn--primary {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--accent-text);
}

.btn--wide {
    width: 100%;
}

.btn--small {
    min-height: 36px;
    padding: 6px 12px;
    font-size: 14px;
}

.muted {
    color: var(--text-dim);
    font-size: 14px;
}

.center {
    text-align: center;
}

.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: var(--gap);
    padding: 4px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-card);

    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab {
    flex: 1 1 auto;
    min-height: 38px;
    padding: 8px 12px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--text-dim);
    font: inherit;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
}

.tab--on {
    background: var(--bg-inset);
    color: var(--text);
}

.field {
    display: block;
    margin-bottom: 12px;
}

.field__label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-dim);
    font-size: 13px;
}

.field__hint {
    display: block;
    margin-top: 6px;
    color: var(--text-dim);
    font-size: 12px;
}

.input {
    display: block;
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-inset);
    color: var(--text);
    font: inherit;

    font-size: 16px;
}

.input:focus {
    border-color: var(--accent);
    outline: 2px solid transparent;
}

.login {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    padding: var(--gap);
}

.login__box {
    width: 100%;
    max-width: 440px;
}

.login__box h1 {
    margin-bottom: var(--gap);
}

.login__box .card {
    padding: 20px;
}

.login__logo {
    margin-bottom: 8px;
    font-size: 40px;
    text-align: center;
}

.login__steps {
    margin: 0 0 var(--gap);
    padding-left: 20px;
    color: var(--text-dim);
    font-size: 14px;
}

.login__steps li+li {
    margin-top: 4px;
}

.login__hint {
    margin-top: 10px;
}

.code-title {
    margin-top: var(--gap);
    margin-bottom: 0;
}

.code {
    margin: var(--gap) 0 8px;
    padding: 14px 10px;
    border: 1px dashed var(--border);
    border-radius: 10px;
    background: var(--bg-inset);

    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 18px;
    letter-spacing: .12em;
    text-align: center;

    overflow-wrap: anywhere;
    user-select: all;
}

.code--cmd {
    font-size: 14px;
    letter-spacing: 0;
}

.timer {
    margin-top: 12px;
    color: var(--text-dim);
    font-size: 14px;
    text-align: center;
}

#login-wait p + p {
    margin-top: 12px;
}

#login-again-text {
    margin-bottom: var(--gap);
}

.timer--low {
    color: var(--warn);
}

.head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: var(--gap);
}

.head__who {
    flex: 1 1 200px;
    min-width: 0;
}

.head__name {
    overflow: hidden;
    font-size: 18px;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rows {
    display: grid;
    gap: 8px;
}

.row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 15px;
}

.row__label {
    color: var(--text-dim);
}

.row__value {
    overflow-wrap: anywhere;
    text-align: right;
}

.counters {
    display: grid;

    grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
    gap: 10px;
}

.counter {
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-inset);
    text-align: center;
}

.counter__num {
    font-size: 20px;
    font-weight: 600;
}

.counter__cap {
    color: var(--text-dim);
    font-size: 12px;
}

.key {
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-inset);
}

.key+.key {
    margin-top: 10px;
}

.key__head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.key__name {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.badge {
    padding: 2px 10px;
    border: 1px solid currentColor;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.badge--ok {
    color: var(--ok);
}

.badge--frozen {
    color: var(--frozen);
}

.badge--expired {
    color: var(--err);
}

.badge--warn {
    color: var(--warn);
}

.key__link {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.key__url {
    flex: 1 1 auto;
    min-width: 0;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-card);
    color: var(--text-dim);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13px;

    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.archive {
    margin-top: var(--gap);
    padding-top: var(--gap);
    border-top: 1px solid var(--border);
}

.archive__toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 0;
    border: 0;
    background: transparent;
    color: var(--text-dim);
    font: inherit;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    text-align: left;
    cursor: pointer;
}

.archive__toggle:hover {
    color: var(--text);
}

.archive__count {
    padding: 1px 8px;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.archive__list {
    margin-top: 10px;
}

.pay {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.pay:last-child {
    border-bottom: 0;
}

.pay__main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.pay__amount {
    font-size: 16px;
    font-weight: 600;
}

.pay__meta {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 2px;
    color: var(--text-dim);
    font-size: 13px;
}

.pay--dim .pay__amount {
    color: var(--text-dim);
    text-decoration: line-through;
}

.ref__note {
    margin-top: 12px;
}

.sec__lead {
    margin-bottom: var(--gap);
}

.sec__state {
    margin-bottom: var(--gap);
    padding-bottom: var(--gap);
    border-bottom: 1px solid var(--border);
}

.sec__hint {
    margin-top: 10px;
}

.sec__danger {
    margin-top: var(--gap);
    color: var(--err);
}

.sec__danger:hover:not(:disabled) {
    border-color: var(--err);
}

.ses {
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-inset);
}

.ses+.ses {
    margin-top: 10px;
}

.ses__head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.ses__device {
    flex: 1 1 auto;
    min-width: 0;
    font-weight: 600;
}

.ses__revoke {
    margin-top: 10px;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.actions__note {
    flex-basis: 100%;
    color: var(--text-dim);
    font-size: 13px;
}

.empty {
    padding: 24px 12px;
    color: var(--text-dim);
    text-align: center;
}

.notice {
    margin-bottom: var(--gap);
    padding: 12px var(--gap);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 8px;
    background: var(--bg-card);
    font-size: 14px;
}

.notice--err {
    border-left-color: var(--err);
}

.notice--warn {
    border-left-color: var(--warn);
}

.notice--ok {
    border-left-color: var(--ok);
}

.blocked {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    padding: var(--gap);
}

.blocked__box {
    max-width: 420px;
    text-align: center;
}

.blocked__icon {
    margin-bottom: 12px;
    font-size: 40px;
}

.blocked__text {
    margin: 12px 0 var(--gap);
}

.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    vertical-align: -3px;
}

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

@media (prefers-reduced-motion: reduce) {
    .spinner {
        animation: none;
    }
}

@media (max-width: 480px) {
    :root {
        --gap: 12px;
    }

    h1 {
        font-size: 20px;
    }

    .code {
        font-size: 16px;
        letter-spacing: .08em;
    }

    .key__link {

        flex-direction: column;
    }

    .actions .btn {
        flex: 1 1 100%;
    }

    .tab {

        flex: 0 0 auto;
    }

    .pay__meta {
        flex-direction: column;
        gap: 0;
    }
}

.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 50;
    background: rgba(0, 0, 0, .55);
    padding: var(--gap);
    overflow-y: auto;
}

.modal--open {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.modal__card {
    width: 100%;
    max-width: 560px;
    margin-top: 8vh;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, .35);
}

.modal__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}

.modal__title {
    font-weight: 600;
}

.modal__close {
    border: 0;
    background: none;
    color: var(--text-dim);
    font-size: 16px;
    cursor: pointer;
    padding: 4px 6px;
}

.modal__close:hover {
    color: var(--text);
}

.modal__body {
    padding: 14px 16px 16px;
    font-size: 14px;
    line-height: 1.5;
}

.modal__body p {
    margin: 0 0 8px;
}

.modal__body ol {
    margin: 0 0 12px;
    padding-left: 20px;
}

.modal__body li {
    margin-bottom: 4px;
}

@media (max-width: 480px) {
    .modal__card {
        margin-top: 4vh;
    }
}

.qr-modal {
    text-align: center;
}

.qr-modal canvas {

    max-width: 100%;
    height: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
}

.qr-modal__hint {
    margin: 10px 0 12px;
}

.qr-modal .key__link {
    margin-top: 0;
    text-align: left;
}

.ins__lead {
    margin-top: 10px;
}

.ins__steps {
    margin: 0 0 10px;
    padding-left: 20px;
    font-size: 14px;
    line-height: 1.5;
}

.ins__steps li {
    margin-bottom: 4px;
}

.ins__note {
    margin-bottom: 10px;
}

.ins__danger {
    margin: 10px 0 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--err);
}

.ins__links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.btn--off {
    opacity: .45;
    cursor: not-allowed;
    pointer-events: none;
}