/* ============================================================
   Shared Experiment Controls
   Used across all Physiklabor experiments for consistent UI
   ============================================================ */

/* Controls container below the simulation */
.exp-controls {
    padding: 0 1.5rem 1rem;
}

/* Step row: numbered circle + content side by side */
.exp-step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

/* Numbered circle */
.exp-step-number {
    width: 28px;
    height: 28px;
    min-width: 28px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    margin-top: 2px;
}

/* Content area next to the number */
.exp-step-content {
    flex: 1;
    min-width: 0;
}

/* Step label */
.exp-step-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--textcolor-80contrast);
    display: block;
    margin-bottom: 0.5rem;
}

/* Hint box */
.exp-hint {
    background: var(--primary-tint);
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    color: var(--primary-color);
    line-height: 1.5;
    margin-top: 0.5rem;
}

/* Row for value display boxes */
.exp-values-row {
    display: flex;
    gap: 1rem;
    margin-top: 0.25rem;
}

/* Value capture box */
.exp-value-box {
    flex: 1;
    border: 2px solid var(--surface-border-light);
    border-radius: 10px;
    padding: 0.75rem;
    transition: all 0.3s ease;
    background: #fafafa;
}

.exp-value-box.captured {
    border-color: var(--signals-successcolor);
    background: var(--success-50);
}

/* Value box header row */
.exp-value-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.4rem;
}

/* Value title inside box */
.exp-value-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--textcolor-80contrast);
}

/* Value display (large number) */
.exp-value-display {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.exp-value-box.captured .exp-value-display {
    color: var(--success-900);
}

/* Capture/Ubernehmen button */
.exp-capture-btn {
    padding: 0.25rem 0.75rem;
    border: 2px solid var(--primary-color);
    border-radius: 6px;
    background: white;
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.exp-capture-btn:hover {
    background: var(--primary-color);
    color: white;
}

.exp-capture-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.exp-capture-btn:disabled:hover {
    background: white;
    color: var(--primary-color);
}

/* Input group (input + unit suffix) */
.exp-input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.exp-input {
    width: 100px;
    padding: 0.4rem 0.6rem;
    border: 2px solid var(--gray-300);
    border-radius: 8px;
    font-size: 0.95rem;
    text-align: center;
}

.exp-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(var(--primary-rgb), 0.15);
}

.exp-unit {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--textcolor-50contrast);
}

/* Slider area */
.exp-slider-area {
    padding: 0.5rem 0 1rem;
    margin-bottom: 0.5rem;
}

.exp-slider-area .custom-inputslider {
    width: 100%;
    margin: 0;
}

.exp-slider-label {
    text-align: center;
    font-size: 0.8rem;
    color: #999;
    margin-top: 0.25rem;
}

/* Result display row */
.exp-result-row {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.exp-result-row span {
    white-space: nowrap;
}

/* Button group for Start/Stop/Reset */
.exp-button-group {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.exp-button-group button {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.3s ease;
}

.exp-button-group button:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.exp-button-group button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Timer and oscillation display */
.exp-timer {
    background: var(--surface-bg);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    border: 1px solid #ced4da;
}

.exp-timer-value {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.exp-oscillation-count {
    padding: 0.5rem 1rem;
    background: #e9ecef;
    border-radius: 4px;
}

/* Step badge — numbered circle (shared across pendulum experiments) */
.step-badge {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border-radius: 50%;
    background: var(--primary-color);
    color: #ffffff !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
}

/* Utility classes (used across experiment templates) */
.gap-small { gap: 0.5rem; }
.gap-middle { gap: 1rem; }
.gap-large { gap: 1.5rem; }
.flex-wrap { flex-wrap: wrap; }

/* Responsive */
@media (max-width: 768px) {
    .exp-controls {
        padding: 0 0.75rem 0.75rem;
    }

    .exp-values-row {
        flex-direction: column;
    }

    .exp-result-row {
        gap: 0.75rem;
    }

    .exp-button-group {
        flex-direction: column;
    }

    .exp-button-group button {
        width: 100%;
        justify-content: center;
    }
}