/* ===== Experiment Widget ===== */
.experiment-pill {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 8px;
    background: #1a1d23;
    color: #e5e7eb;
    padding: 8px 14px;
    border-radius: 24px;
    font-size: 13px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    cursor: default;
    user-select: none;
}

.experiment-pill-variant {
    font-weight: 700;
    background: rgba(99, 102, 241, 0.25);
    color: #a5b4fc;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.experiment-pill-sep {
    color: #4b5563;
}

.experiment-pill-btn {
    background: none;
    border: none;
    color: #9ca3af;
    font-size: 12px;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    transition: all 0.15s;
    font-family: inherit;
}

.experiment-pill-btn:hover {
    color: #e5e7eb;
    background: rgba(255, 255, 255, 0.1);
}

/* ===== Variant Switcher Dropdown ===== */
.experiment-dropdown {
    position: fixed;
    bottom: 60px;
    right: 20px;
    z-index: 1001;
    background: #1a1d23;
    border: 1px solid #374151;
    border-radius: 8px;
    padding: 6px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    min-width: 180px;
}

.experiment-dropdown.hidden {
    display: none;
}

.experiment-dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: none;
    background: none;
    color: #d1d5db;
    font-size: 13px;
    font-family: inherit;
    width: 100%;
    text-align: left;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.1s;
}

.experiment-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.experiment-dropdown-item.active {
    background: rgba(99, 102, 241, 0.2);
    color: #a5b4fc;
}

.experiment-dropdown-item-letter {
    font-weight: 700;
    font-size: 11px;
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 7px;
    border-radius: 4px;
    min-width: 24px;
    text-align: center;
}

.experiment-dropdown-item.active .experiment-dropdown-item-letter {
    background: rgba(99, 102, 241, 0.3);
}

/* ===== Feedback Modal ===== */
.experiment-feedback-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
    backdrop-filter: blur(3px);
}

.experiment-feedback-overlay.hidden {
    display: none;
}

.experiment-feedback {
    background: #ffffff;
    border-radius: 12px;
    width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.experiment-feedback-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 0;
}

.experiment-feedback-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: #111827;
    margin: 0;
}

.experiment-feedback-close {
    background: none;
    border: none;
    font-size: 22px;
    color: #9ca3af;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.experiment-feedback-close:hover {
    color: #374151;
}

.experiment-feedback-form {
    padding: 20px 24px 24px;
}

.experiment-feedback-group {
    margin-bottom: 16px;
}

.experiment-feedback-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: #6b7280;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.experiment-rating {
    display: flex;
    gap: 4px;
}

.experiment-rating-btn {
    width: 40px;
    height: 36px;
    border: 1px solid #e5e7eb;
    background: #f9fafb;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.15s;
}

.experiment-rating-btn:hover {
    border-color: #6366f1;
    color: #6366f1;
}

.experiment-rating-btn.active {
    background: #6366f1;
    border-color: #6366f1;
    color: white;
}

.experiment-variant-radio {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.experiment-variant-option {
    flex: 1;
}

.experiment-variant-option input {
    display: none;
}

.experiment-variant-option label {
    display: block;
    padding: 8px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    text-align: center;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: #374151;
    text-transform: none;
    letter-spacing: normal;
    transition: all 0.15s;
}

.experiment-variant-option input:checked + label {
    border-color: #6366f1;
    background: #eef2ff;
    color: #4338ca;
}

.experiment-feedback-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    resize: vertical;
    min-height: 80px;
    outline: none;
    transition: border-color 0.15s;
    box-sizing: border-box;
}

.experiment-feedback-group textarea:focus {
    border-color: #6366f1;
}

.experiment-feedback-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid #f3f4f6;
}

.experiment-btn {
    padding: 8px 18px;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s;
}

.experiment-btn-secondary {
    background: #f3f4f6;
    color: #374151;
}

.experiment-btn-secondary:hover {
    background: #e5e7eb;
}

.experiment-btn-primary {
    background: #6366f1;
    color: white;
}

.experiment-btn-primary:hover {
    background: #4f46e5;
}

.experiment-toast {
    position: fixed;
    bottom: 70px;
    right: 20px;
    z-index: 1003;
    background: #065f46;
    color: white;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 13px;
    font-family: inherit;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: experiment-toast-in 0.3s ease;
}

.experiment-toast.hidden {
    display: none;
}

@keyframes experiment-toast-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Palette Customizer Panel ===== */
.experiment-palette {
    position: fixed;
    bottom: 60px;
    right: 20px;
    z-index: 1001;
    background: #1a1d23;
    border: 1px solid #374151;
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    min-width: 220px;
}

.experiment-palette.hidden {
    display: none;
}

.experiment-palette-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.experiment-palette-title {
    font-size: 12px;
    font-weight: 600;
    color: #e5e7eb;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.experiment-palette-reset {
    background: none;
    border: 1px solid #4b5563;
    color: #9ca3af;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s;
}

.experiment-palette-reset:hover {
    color: #e5e7eb;
    border-color: #6b7280;
}

.experiment-palette-colors {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.experiment-palette-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.experiment-palette-row label {
    font-size: 12px;
    color: #d1d5db;
    white-space: nowrap;
}

.experiment-palette-input {
    width: 32px;
    height: 24px;
    padding: 0;
    border: 1px solid #4b5563;
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
}

.experiment-palette-input::-webkit-color-swatch-wrapper {
    padding: 1px;
}

.experiment-palette-input::-webkit-color-swatch {
    border: none;
    border-radius: 2px;
}

/* ===== Header Palette Switcher ===== */
.palette-switcher-slot {
    position: relative;
}

.palette-switcher-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: transparent;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius-md, 8px);
    color: var(--text-secondary, #6b7280);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    white-space: nowrap;
}

.palette-switcher-btn:hover {
    background: var(--bg-hover, #e8eaed);
    border-color: var(--accent, #6366f1);
    color: var(--text-primary, #111827);
}

.palette-switcher-swatch {
    display: flex;
    gap: 2px;
}

.palette-switcher-swatch-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.15);
    display: block;
}

.palette-switcher-chevron {
    opacity: 0.6;
    flex-shrink: 0;
}

.palette-switcher-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    z-index: 1001;
    background: var(--card-bg, #ffffff);
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius-lg, 12px);
    padding: 6px;
    box-shadow: var(--shadow-lg, 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05));
    min-width: 190px;
}

.palette-switcher-dropdown.hidden {
    display: none;
}

.palette-switcher-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border: none;
    background: none;
    color: var(--text-primary, #111827);
    font-size: 13px;
    font-family: inherit;
    width: 100%;
    text-align: left;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.1s;
}

.palette-switcher-item:hover {
    background: var(--bg-hover, #e8eaed);
}

.palette-switcher-item.active {
    background: var(--accent-light, #e0e7ff);
    color: var(--accent, #6366f1);
    font-weight: 500;
}

.palette-switcher-item-swatch {
    display: flex;
    gap: 2px;
    flex-shrink: 0;
}

.palette-switcher-item-dot {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    border: 1px solid rgba(0,0,0,0.1);
    display: block;
}

.palette-switcher-item-name {
    flex: 1;
}

/* Checkbox styling in feedback form */
.experiment-feedback-group input[type="checkbox"] {
    margin-right: 6px;
    vertical-align: middle;
}

.experiment-feedback-group > label:has(input[type="checkbox"]) {
    cursor: pointer;
    text-transform: none;
    letter-spacing: normal;
    font-size: 13px;
    font-weight: 500;
    color: #374151;
}