.ping-page {
    min-height: calc(100vh - 60px);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.ping-shell {
    position: relative;
    padding: 1.5rem;
    border: 1px solid var(--c700);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 35%),
        var(--shade-1);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.ping-shell h2 h3, .ping-shell .heading {
    margin: 0;
    font-size: clamp(1.35rem, 5vw, 2.6rem);
    margin-block-start: auto;
    margin-block-end: auto;
}

.ping-intro,
.ping-warning,
.ping-helper,
.ping-status {
    max-width: 36rem;
}

.ping-intro {
    margin: 1rem 0 0;
    color: var(--c300);
}

.ping-warning {
    margin: 1rem 0 2rem;
    color: var(--amber);
    font-family: var(--font-mono);
}

.ping-form {
    display: grid;
    gap: 1.25rem;
}

.ping-label {
    display: grid;
    gap: 0.55rem;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--c200);
}

.ping-input,
.ping-textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid var(--c700);
    background-color: var(--c900);
    color: var(--c050);
    font: inherit;
    box-sizing: border-box;
    transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.ping-input::placeholder,
.ping-textarea::placeholder {
    color: var(--c500);
}

.ping-input:focus,
.ping-textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 1px var(--blue);
}

.ping-textarea {
    min-height: 6rem;
    resize: vertical;
    line-height: 1.6;
}

.ping-helper {
    margin: -0.5rem 0 0;
    color: var(--c400);
    font-size: 0.95rem;
}

.ping-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
}

.ping-submit {
    min-width: 7rem;
    padding: 0.9rem 1.3rem;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    transition: transform 160ms ease, background-color 160ms ease, outline-color 160ms ease;
}

.ping-submit:hover {
    transform: translateY(-1px);
}

.ping-submit:disabled {
    cursor: wait;
    opacity: 0.72;
    transform: none;
}

.ping-status {
    margin: 0;
    color: var(--c300);
    font-size: 0.95rem;
}

.ping-status.is-error {
    color: var(--coral);
}

.ping-status.is-success {
    color: var(--emerald);
}

.ping-toast-region {
    position: fixed;
    left: 50%;
    bottom: 1.25rem;
    transform: translateX(-50%);
    width: min(32rem, calc(100vw - 1.5rem));
    z-index: 1200;
    pointer-events: none;
}

.ping-toast {
    opacity: 0;
    transform: translate(-50%, 1.5rem);
    visibility: hidden;
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 100%;
    padding: 1rem 1.1rem;
    border: 1px solid var(--emerald);
    background: linear-gradient(180deg, #10b98114, rgba(12, 10, 9, 0.96));
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
    transition: opacity 220ms ease, transform 220ms ease, visibility 220ms ease;
}

.ping-toast.visible {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

.ping-toast-kicker {
    margin: 0 0 0.35rem;
    color: var(--emerald);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.72rem;
    font-family: var(--font-mono);
}

.ping-toast-title {
    margin: 0;
    color: var(--c050);
    font-size: 1rem;
}

.ping-toast-message {
    margin: 0.45rem 0 0;
    color: var(--c300);
    white-space: pre-wrap;
    word-break: break-word;
}

@media (max-width: 640px) {
    .ping-shell {
        padding: 1.15rem;
    }

    .ping-page {
        justify-content: flex-start;
    }

    .ping-toast-region {
        width: calc(100vw - 1rem);
        bottom: 0.75rem;
    }
}