/* 分步表单 - 趣兽聚浅蓝主题 */
.form-stepper {
    max-width: 720px;
    margin: 0 auto;
}

.stepper-card {
    background: var(--color-surface);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.stepper-indicators {
    display: flex;
    align-items: center;
    padding: 24px 28px 8px;
    gap: 0;
    overflow-x: auto;
}

.stepper-indicators::-webkit-scrollbar { display: none; }

.step-indicator {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.step-indicator:last-child { flex: 0; }

.step-circle {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.82rem;
    font-weight: 600;
    flex-shrink: 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(91, 181, 213, 0.12);
    color: var(--color-text-muted);
    border: 2px solid transparent;
    cursor: pointer;
}

.step-indicator.active .step-circle {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    box-shadow: 0 4px 12px rgba(91, 181, 213, 0.4);
}

.step-indicator.done .step-circle {
    background: var(--color-primary-dark);
    color: #fff;
}

.step-connector {
    flex: 1;
    height: 3px;
    margin: 0 6px;
    background: rgba(91, 181, 213, 0.15);
    border-radius: 2px;
    overflow: hidden;
    min-width: 12px;
}

.step-connector-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 2px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.step-indicator.done .step-connector-fill { width: 100%; }

.step-labels {
    display: flex;
    justify-content: space-between;
    padding: 8px 28px 0;
    gap: 4px;
}

.step-label {
    flex: 1;
    text-align: center;
    font-size: 0.72rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.step-label.active { color: var(--color-primary-dark); font-weight: 600; }
.step-label.done { color: var(--color-text-light); }

.stepper-body {
    position: relative;
    min-height: 200px;
    overflow: hidden;
}

.stepper-panel {
    display: none;
    padding: 24px 28px;
    animation: stepIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.stepper-panel.active { display: block; }

@keyframes stepIn {
    from { opacity: 0; transform: translateX(16px); }
    to { opacity: 1; transform: translateX(0); }
}

.stepper-panel.step-back {
    animation-name: stepInBack;
}

@keyframes stepInBack {
    from { opacity: 0; transform: translateX(-16px); }
    to { opacity: 1; transform: translateX(0); }
}

.stepper-panel-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--color-text);
}

.stepper-panel-desc {
    font-size: 0.88rem;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.stepper-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 28px 24px;
    border-top: 1px solid var(--color-border);
    gap: 12px;
}

.stepper-footer.end { justify-content: flex-end; }

.stepper-progress-text {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.review-summary {
    background: rgba(91, 181, 213, 0.08);
    border-radius: var(--radius-md);
    padding: 16px;
    font-size: 0.88rem;
    line-height: 1.7;
}

.review-summary dt {
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-top: 10px;
}

.review-summary dt:first-child { margin-top: 0; }

.review-summary dd {
    margin: 2px 0 0;
    color: var(--color-text);
}

@media (max-width: 600px) {
    .stepper-indicators { padding: 16px 16px 4px; }
    .step-labels { padding: 6px 12px 0; }
    .stepper-panel { padding: 20px 16px; }
    .stepper-footer { padding: 12px 16px 20px; flex-wrap: wrap; }
    .step-label { font-size: 0.65rem; }
}