:root {
    --gmb-ts-green: #0CCE6B;
    --gmb-ts-orange: #FFA400;
    --gmb-ts-red: #FF4E42;
    --gmb-ts-bg: var(--color-light, #ffffff);
    --gmb-ts-card-bg: var(--color-light, #ffffff);
    --gmb-ts-border: var(--color-light-grey, #e5e7eb);
    --gmb-ts-text: var(--color-dark, #1f2937);
    --gmb-ts-text-light: var(--color-dark-grey, #6b7280);
    --gmb-ts-radius: var(--border-radius-lrg, 12px);
    --gmb-ts-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
}

/* Tool wrapper */
.gmb-ts-tool-wrapper {
    max-width: 800px;
    margin: 0 auto;
    font-family: var(--bricks-body-font-family, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif);
    color: var(--gmb-ts-text);
    line-height: 1.5;
    font-size: 16px;
}

/* Form gate wrapper */
.gmb-ts-form-gate {
    max-width: 600px;
    margin: 0 auto 24px;
}

/* Tool UI wrapper */
.gmb-ts-tool-ui {
    padding: 32px;
    background: var(--gmb-ts-bg);
    border-radius: var(--border-radius-xlrg, 24px);
}

.gmb-ts-tool-ui input[type="url"],
.gmb-ts-tool-ui input[type="text"],
.gmb-ts-tool-ui input[type="number"] {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    border: 1px solid var(--gmb-ts-border);
    border-radius: var(--border-radius-sml, 8px);
    outline: none;
    transition: border-color 0.2s;
}

.gmb-ts-tool-ui input[type="url"]:focus,
.gmb-ts-tool-ui input[type="text"]:focus,
.gmb-ts-tool-ui input[type="number"]:focus {
    border-color: var(--color-primary, var(--gmb-ts-green));
}

.gmb-ts-tool-ui button[type="submit"],
.gmb-ts-tool-ui .gmb-ts-submit {
    display: inline-block;
    padding: 12px 32px;
    background: var(--color-primary, var(--gmb-ts-green));
    color: #fff;
    border: none;
    border-radius: var(--border-radius-sml, 8px);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    margin-top: 12px;
}

.gmb-ts-tool-ui button[type="submit"]:hover,
.gmb-ts-tool-ui .gmb-ts-submit:hover {
    opacity: 0.9;
}

/* Results container */
.gmb-ts-results {
    max-width: 800px;
    margin: 24px auto 0;
    padding: 32px;
    background: var(--gmb-ts-bg);
    border-radius: var(--border-radius-xlrg, 24px);
    color: var(--gmb-ts-text);
    line-height: 1.5;
    font-size: 16px;
}

.gmb-ts-results:empty {
    display: none;
}

/* SVG Gauges */
.gmb-ts-gauge {
    position: relative;
    display: inline-block;
}

.gmb-ts-gauge svg {
    transform: rotate(-90deg);
}

.gmb-ts-gauge-track {
    fill: none;
    stroke: var(--gmb-ts-border);
    stroke-width: 8;
}

.gmb-ts-gauge-fill {
    fill: none;
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s ease-out;
}

.gmb-ts-gauge-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
}

.gmb-ts-gauge--large .gmb-ts-gauge-text {
    font-size: 36px;
}

.gmb-ts-gauge-text--na {
    font-size: 16px !important;
    font-weight: 600;
}

.gmb-ts-gauge--large .gmb-ts-gauge-text--na {
    font-size: 20px !important;
}

.gmb-ts-gauge-label {
    display: block;
    text-align: center;
    margin-top: 8px;
    font-size: 14px;
    color: var(--gmb-ts-text-light);
    font-weight: 500;
}

/* Detail items */
.gmb-ts-detail-item {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 8px;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
}

.gmb-ts-detail-icon {
    flex-shrink: 0;
    font-size: 18px;
    line-height: 1.4;
}

.gmb-ts-detail-text {
    flex: 1;
    min-width: 0;
}

.gmb-ts-detail-pass {
    color: var(--gmb-ts-text);
}

.gmb-ts-detail-warn {
    color: var(--gmb-ts-text);
    background: #fffbeb;
}

.gmb-ts-detail-meta {
    display: block;
    font-size: 13px;
    color: var(--gmb-ts-text-light);
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* CTA section */
.gmb-ts-cta {
    margin-top: 32px;
    padding: 32px;
    background: color-mix(in srgb, var(--color-primary, #0CCE6B), var(--color-light, #fff) 92%);
    border-radius: var(--gmb-ts-radius);
    text-align: center;
}

.gmb-ts-cta p {
    font-size: 18px;
    font-weight: 500;
    margin: 0 0 16px;
    color: var(--gmb-ts-text);
}

.gmb-ts-cta-button {
    text-decoration: none;
}

.gmb-ts-cta-button:hover {
    text-decoration: none;
}

/* Loading experience */
.gmb-ts-loading {
    text-align: center;
    padding: 40px 20px;
}

.gmb-ts-loading-pulse {
    margin: 0 auto 24px;
    display: flex;
    justify-content: center;
}

.gmb-ts-loading-rings {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gmb-ts-loading-ring {
    position: absolute;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: var(--color-primary, var(--gmb-ts-green));
}

.gmb-ts-loading-ring--1 {
    width: 100%;
    height: 100%;
    animation: gmb-ts-spin 1.8s linear infinite;
}

.gmb-ts-loading-ring--2 {
    width: 80%;
    height: 80%;
    border-top-color: var(--gmb-ts-orange);
    animation: gmb-ts-spin 1.4s linear infinite reverse;
}

.gmb-ts-loading-ring--3 {
    width: 60%;
    height: 60%;
    border-top-color: var(--gmb-ts-red);
    animation: gmb-ts-spin 1s linear infinite;
}

.gmb-ts-loading-icon {
    font-size: 36px;
    z-index: 1;
    animation: gmb-ts-pulse 2s ease-in-out infinite;
}

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

@keyframes gmb-ts-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.gmb-ts-loading-title {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 4px;
    color: var(--gmb-ts-text);
}

.gmb-ts-loading-subtitle {
    font-size: 14px;
    color: var(--gmb-ts-text-light);
    margin: 0 0 32px;
}

.gmb-ts-load-steps {
    max-width: 320px;
    margin: 0 auto 32px;
    text-align: left;
}

.gmb-ts-load-step {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--gmb-ts-text-light);
    opacity: 0.4;
    transition: all 0.3s ease;
}

.gmb-ts-load-step--active {
    opacity: 1;
    color: var(--gmb-ts-text);
    background: color-mix(in srgb, var(--color-primary, #0CCE6B), transparent 92%);
}

.gmb-ts-load-step--done {
    opacity: 0.7;
    color: var(--gmb-ts-text);
}

.gmb-ts-load-step-icon {
    font-size: 18px;
    flex-shrink: 0;
    width: 24px;
    text-align: center;
}

.gmb-ts-load-step-label {
    flex: 1;
}

.gmb-ts-load-step-status {
    font-size: 14px;
    flex-shrink: 0;
    width: 20px;
    text-align: center;
}

.gmb-ts-load-step--done .gmb-ts-load-step-status {
    color: var(--gmb-ts-green);
}

.gmb-ts-loading-tip {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    background: color-mix(in srgb, var(--color-primary, #0CCE6B), transparent 94%);
    border-radius: var(--gmb-ts-radius);
}

.gmb-ts-tip-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary, var(--gmb-ts-green));
    margin-bottom: 6px;
}

.gmb-ts-tip-text {
    font-size: 15px;
    color: var(--gmb-ts-text);
    margin: 0;
    line-height: 1.5;
    transition: opacity 0.3s ease;
}

/* Error states */
.gmb-ts-error {
    text-align: center;
    padding: 32px;
    color: var(--gmb-ts-text);
    font-size: 16px;
}

.gmb-ts-error-icon {
    font-size: 32px;
    margin-bottom: 16px;
}

.gmb-ts-error p {
    font-size: 16px;
    margin: 0 0 20px;
    color: var(--gmb-ts-text-light);
}

.gmb-ts-retry-button {
    display: inline-block;
    padding: 10px 24px;
    background: var(--gmb-ts-border);
    color: var(--gmb-ts-text);
    border-radius: var(--border-radius-sml, 8px);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: background 0.2s;
    border: none;
    cursor: pointer;
}

.gmb-ts-retry-button:hover {
    background: #d1d5db;
}

/* Welcome back message */
.gmb-ts-welcome {
    font-size: 14px;
    color: var(--gmb-ts-text-light);
    margin: 0 0 16px;
    font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
    .gmb-ts-tool-ui,
    .gmb-ts-results {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .gmb-ts-tool-ui,
    .gmb-ts-results {
        padding: 16px;
    }
}