.pin-gate {
    --pin-gate-teal-strong: #0d7fa7;
    --pin-gate-teal: #1ca0c5;
    --pin-gate-teal-soft: #dff5f8;
    --pin-gate-orange: #f59a2f;
    --pin-gate-orange-strong: #eb8420;
    --pin-gate-sand: #f3e2bc;
    --pin-gate-sand-soft: #f9f1dc;
    --pin-gate-ink: #144057;
    --pin-gate-copy: #486576;
    --pin-gate-error: #c75353;
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        radial-gradient(circle at 12% 82%, rgba(28, 160, 197, 0.16), transparent 24%),
        radial-gradient(circle at 84% 12%, rgba(245, 154, 47, 0.16), transparent 18%),
        radial-gradient(circle at 92% 78%, rgba(243, 226, 188, 0.45), transparent 16%),
        linear-gradient(180deg, #ffffff 0%, #fbfdff 54%, #f4fbfd 100%);
    color: var(--pin-gate-ink);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.pin-gate-card {
    width: min(760px, 100%);
    min-height: min(620px, calc(100vh - 48px));
    display: grid;
    place-items: center;
    position: relative;
    padding: clamp(24px, 4vw, 36px);
    border: 1px solid rgba(28, 160, 197, 0.14);
    border-radius: 36px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 28px 70px rgba(20, 64, 87, 0.14);
    overflow: hidden;
}

.pin-gate-card::after {
    content: "";
    position: absolute;
    left: 12%;
    right: 12%;
    bottom: 20px;
    height: 16px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(28, 160, 197, 0.18), rgba(28, 160, 197, 0.42), rgba(28, 160, 197, 0.16));
    pointer-events: none;
}

.pin-gate-choice,
.pin-gate-payment,
.pin-gate-voucher,
.pin-gate-pin {
    width: 100%;
    text-align: center;
    position: relative;
    z-index: 1;
}

.pin-gate-title {
    margin: 0 0 20px;
    color: var(--pin-gate-teal-strong);
    font-size: clamp(34px, 7vw, 72px);
    letter-spacing: .04em;
    font-weight: 900;
}

.pin-gate-logo {
    display: block;
    width: min(420px, 82vw);
    height: auto;
    margin: 0 auto 30px;
}

.pin-gate-subtitle {
    min-height: 28px;
    margin: -6px 0 24px;
    font-size: clamp(16px, 3vw, 22px);
    color: var(--pin-gate-copy);
}

.pin-gate-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.pin-gate-action {
    min-height: 210px;
    border: 2px solid rgba(28, 160, 197, 0.25);
    border-radius: 28px;
    background: #fff;
    color: var(--pin-gate-ink);
    font: inherit;
    font-size: clamp(30px, 5vw, 52px);
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 18px 36px rgba(20, 64, 87, 0.08);
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, filter 160ms ease;
}

.pin-gate-action:hover,
.pin-gate-action:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 22px 42px rgba(20, 64, 87, 0.14);
    border-color: rgba(28, 160, 197, 0.4);
    filter: saturate(1.04);
}

.pin-gate-action[data-mode="login"] {
    background: linear-gradient(180deg, #2bb4d0 0%, #0d7fa7 100%);
    border-color: rgba(13, 127, 167, 0.75);
    color: #fff;
}

.pin-gate-action[data-mode="register"] {
    background: linear-gradient(180deg, #ffb04f 0%, #eb8420 100%);
    border-color: rgba(235, 132, 32, 0.8);
    color: #fff;
}

.pin-gate-choice .pin-gate-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.pin-gate-choice .pin-gate-action {
    min-width: 150px;
    min-height: 54px;
    padding: 12px 24px;
    border-width: 1px;
    border-radius: 999px;
    background: #fff;
    font-size: clamp(16px, 2vw, 20px);
    font-weight: 750;
    letter-spacing: .035em;
    box-shadow: 0 8px 20px rgba(20, 64, 87, 0.08);
}

.pin-gate-choice .pin-gate-action:hover,
.pin-gate-choice .pin-gate-action:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(20, 64, 87, 0.12);
}

.pin-gate-choice .pin-gate-action[data-mode="login"] {
    background: #fff;
    border-color: rgba(13, 127, 167, 0.42);
    color: var(--pin-gate-teal-strong);
}

.pin-gate-choice .pin-gate-action[data-mode="register"] {
    background: #fffaf3;
    border-color: rgba(235, 132, 32, 0.42);
    color: var(--pin-gate-orange-strong);
}

.pin-gate-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 64px;
    height: 64px;
    border: 1px solid rgba(28, 160, 197, 0.32);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.96);
    color: var(--pin-gate-teal-strong);
    font-size: 34px;
    cursor: pointer;
    box-shadow: 0 12px 24px rgba(20, 64, 87, 0.1);
}

.pin-gate-back:hover,
.pin-gate-back:focus-visible {
    background: var(--pin-gate-teal-soft);
}

.pin-gate-digits {
    min-height: 74px;
    margin-bottom: 10px;
    color: var(--pin-gate-teal-strong);
    font-size: clamp(44px, 9vw, 72px);
    font-variant-numeric: tabular-nums;
    letter-spacing: .18em;
}

.pin-gate-message {
    min-height: 28px;
    margin: 10px 0 18px;
    color: var(--pin-gate-error);
    font-size: 16px;
}

.pin-gate-keys {
    display: grid;
    grid-template-columns: repeat(3, 82px);
    justify-content: center;
    gap: 12px;
}

.pin-gate-key {
    width: 82px;
    height: 82px;
    border: 2px solid rgba(28, 160, 197, 0.28);
    border-radius: 50%;
    background: #fff;
    color: var(--pin-gate-teal-strong);
    font: inherit;
    font-size: 34px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(20, 64, 87, 0.08);
    transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.pin-gate-key:hover,
.pin-gate-key:focus-visible {
    transform: translateY(-1px);
    background: var(--pin-gate-teal-soft);
    box-shadow: 0 14px 28px rgba(20, 64, 87, 0.12);
}

.pin-gate-key-submit {
    background: linear-gradient(180deg, #2bb4d0 0%, #0d7fa7 100%);
    color: #fff;
}

.pin-gate-key-secondary {
    border-color: rgba(245, 154, 47, 0.35);
    background: #fff8ef;
    color: var(--pin-gate-orange-strong);
}

.pin-gate.is-busy button {
    opacity: .55;
    pointer-events: none;
}

@media (max-width: 620px) {
    .pin-gate { padding: 16px; }
    .pin-gate-card {
        min-height: calc(100vh - 32px);
        border-radius: 28px;
        padding: 20px 18px;
    }
    .pin-gate-card::after {
        left: 10%;
        right: 10%;
        bottom: 14px;
    }
    .pin-gate-actions { grid-template-columns: 1fr; gap: 16px; }
    .pin-gate-action { min-height: 150px; }
    .pin-gate-choice .pin-gate-actions { gap: 10px; }
    .pin-gate-choice .pin-gate-action { min-width: 132px; min-height: 50px; padding: 10px 18px; }
    .pin-gate-keys { grid-template-columns: repeat(3, 72px); gap: 10px; }
    .pin-gate-key { width: 72px; height: 72px; }
}

.pin-gate-payment-hint {
    color: var(--pin-gate-copy);
    text-align: center;
}

.pin-gate-payment-form {
    display: grid;
    gap: 12px;
    width: min(100%, 300px);
    margin: 20px auto 0;
}

.pin-gate-payment-label {
    font-weight: 700;
    color: var(--pin-gate-ink);
    text-align: center;
}

.pin-gate-payment-input {
    width: 100%;
    box-sizing: border-box;
    padding: 14px 16px;
    border: 2px solid rgba(28, 160, 197, 0.22);
    border-radius: 14px;
    background: #fff;
    color: var(--pin-gate-ink);
    font: inherit;
    font-size: 1.2rem;
    text-align: center;
    box-shadow: inset 0 1px 2px rgba(20, 64, 87, 0.05);
}

.pin-gate-payment-input:focus {
    outline: none;
    border-color: rgba(28, 160, 197, 0.5);
    box-shadow: 0 0 0 4px rgba(28, 160, 197, 0.12);
}

.pin-gate-payment-methods {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.pin-gate-payment-method {
    min-height: 150px;
    font-size: clamp(24px, 4vw, 38px);
}

.pin-gate-payment-method[data-payment-method="ln"] {
    background: linear-gradient(180deg, #33bdd4 0%, #0d7fa7 100%);
    border-color: rgba(13, 127, 167, 0.75);
    color: #fff;
}

.pin-gate-payment-method[data-payment-method="voucher"] {
    background: linear-gradient(180deg, #fff4d8 0%, #f2ddb3 100%);
    border-color: rgba(236, 188, 104, 0.7);
    color: var(--pin-gate-teal-strong);
}

.pin-gate-payment-method[data-payment-method="fake"],
.pin-gate-payment-submit {
    background: linear-gradient(180deg, #ffb04f 0%, #eb8420 100%);
    border-color: rgba(235, 132, 32, 0.8);
    color: #fff;
}

.pin-gate-payment-submit {
    min-height: 72px;
    border-radius: 16px;
    font-size: 24px;
}

@media (max-width: 620px) {
    .pin-gate-payment,
    .pin-gate-voucher,
    .pin-gate-pin {
        align-self: start;
        padding-top: 56px;
        box-sizing: border-box;
    }
    .pin-gate-payment .pin-gate-title,
    .pin-gate-voucher .pin-gate-title,
    .pin-gate-pin .pin-gate-title {
        margin-bottom: 16px;
        font-size: 32px;
    }
    .pin-gate-payment-methods {
        grid-template-columns: 1fr;
        gap: 10px;
        margin-top: 12px;
    }
    .pin-gate-payment-method { min-height: 72px; }
}