/* Floating button */
.grc-float-wrap {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 99998;
}

.grc-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.45);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.grc-trigger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.grc-trigger:active {
    transform: translateY(0);
}

/* Modal */
.grc-modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.grc-modal[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.grc-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    cursor: pointer;
}

.grc-modal-box {
    position: relative;
    width: 100%;
    max-width: 420px;
    padding: 28px 24px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    transform: scale(0.95);
    transition: transform 0.25s ease;
}

.grc-modal[aria-hidden="false"] .grc-modal-box {
    transform: scale(1);
}

.grc-modal-title {
    margin: 0 0 20px;
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
}

.grc-code-block {
    padding: 16px 20px;
    margin-bottom: 12px;
    background: #f3f4f6;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
}

.grc-code-display {
    display: block;
    font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, monospace;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: #111827;
    word-break: break-all;
}

.grc-code-validity {
    margin: 0 0 20px;
    font-size: 0.875rem;
    color: #6b7280;
}

.grc-copy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.grc-copy-btn:hover {
    opacity: 0.95;
}

.grc-copy-btn:active {
    transform: scale(0.98);
}

.grc-copy-btn.copied {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.grc-copy-btn .grc-copied-text {
    display: none;
}

.grc-copy-btn.copied .grc-copy-text {
    display: none;
}

.grc-copy-btn.copied .grc-copied-text {
    display: inline;
}

.grc-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    padding: 0;
    font-size: 1.5rem;
    line-height: 1;
    color: #6b7280;
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: color 0.2s ease, background 0.2s ease;
}

.grc-modal-close:hover {
    color: #111827;
    background: #f3f4f6;
}

@media (max-width: 480px) {
    .grc-float-wrap {
        bottom: 16px;
    }

    .grc-trigger {
        padding: 12px 22px;
        font-size: 0.9375rem;
    }

    .grc-modal-box {
        padding: 24px 20px;
    }

    .grc-code-display {
        font-size: 1.25rem;
        letter-spacing: 0.1em;
    }
}