#qswc-floating-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 100000;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

#qswc-floating-button {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.08);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#qswc-floating-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

#qswc-floating-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#qswc-floating-button.qswc-floating-button--pending {
    opacity: 0.85;
    box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.45);
}

#qswc-floating-button.qswc-floating-button--active {
    transform: rotate(0deg);
}

.qswc-modal {
    position: fixed;
    inset: 0;
    z-index: 100001;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 0 24px 96px 24px;
    pointer-events: none;
}

.qswc-modal[hidden] {
    display: none !important;
}

.qswc-modal--open {
    pointer-events: auto;
}

.qswc-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.4);
}

.qswc-modal-panel {
    position: relative;
    width: 100%;
    max-width: 400px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    max-height: min(70vh, 480px);
    pointer-events: auto;
}

.qswc-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 16px 8px;
    border-bottom: 1px solid #f1f5f9;
}

.qswc-modal-header h2 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: #0f172a;
}

.qswc-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: #64748b;
    padding: 4px 8px;
}

.qswc-modal-body {
    padding: 12px 16px;
    flex: 1;
    overflow: auto;
}

#qswc-message-input {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 14px;
    resize: vertical;
    min-height: 88px;
}

#qswc-message-input:focus {
    outline: 2px solid #2563eb;
    outline-offset: 0;
    border-color: #2563eb;
}

.qswc-status {
    margin: 8px 0 0;
    font-size: 13px;
    color: #64748b;
    min-height: 1.2em;
}

.qswc-status--error {
    color: #b91c1c;
}

.qswc-status--success {
    color: #15803d;
}

.qswc-status--warning {
    color: #b45309;
}

.qswc-modal-footer {
    padding: 12px 16px 16px;
    border-top: 1px solid #f1f5f9;
}

.qswc-btn-primary {
    width: 100%;
    padding: 10px 16px;
    background: #2563eb;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.qswc-btn-primary:hover:not(:disabled) {
    background: #1d4ed8;
}

.qswc-btn-primary:disabled {
    opacity: 0.6;
    cursor: wait;
}

@media (max-width: 480px) {
    .qswc-modal {
        padding: 0 12px 88px 12px;
        align-items: flex-end;
    }

    .qswc-modal-panel {
        max-width: none;
    }
}