/* Root theme variables */
:root {
    --qp-bg: #f4f1ff;
    --qp-card: #ffffff;
    --qp-accent: #7c3aed;
    --qp-accent-soft: #ede9fe;
    --qp-accent-dark: #5b21b6;
    --qp-muted: #6b7280;
    --qp-border-soft: rgba(124,58,237,0.16);
    --qp-radius: 14px;
    --qp-shadow: 0 10px 30px rgba(15,23,42,0.06);
}

/* Dark mode palette */
[data-qp-theme="dark"] {
    --qp-bg: #050816;
    --qp-card: #0b1220;
    --qp-accent: #a855f7;
    --qp-accent-soft: rgba(168,85,247,0.18);
    --qp-accent-dark: #7c3aed;
    --qp-muted: #9ca3af;
    --qp-border-soft: rgba(148,163,184,0.3);
    --qp-shadow: 0 14px 40px rgba(15,23,42,0.75);
}

/* Basic page layout */
.qp-body {
    margin: 0;
    padding: 24px;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: radial-gradient(circle at top left, #ede9fe 0, var(--qp-bg) 40%, #ffffff 100%);
    color: #020617;
}
[data-qp-theme="dark"] .qp-body {
    background: radial-gradient(circle at top left, #111827 0, #020617 30%, #020617 100%);
    color: #e5e7eb;
}

.qp-wrap {
    max-width: 1080px;
    margin: 0 auto;
}

/* Cards */
.qp-card {
    background: var(--qp-card);
    border-radius: var(--qp-radius);
    box-shadow: var(--qp-shadow);
    padding: 18px 18px 16px;
    margin-bottom: 14px;
    border: 1px solid rgba(15,23,42,0.02);
}

/* Header */
.qp-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}
.qp-title {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    color: var(--qp-accent-dark);
}
[data-qp-theme="dark"] .qp-title {
    color: var(--qp-accent);
}
.qp-subtitle {
    margin: 4px 0 0;
    font-size: 13px;
    color: var(--qp-muted);
}
.qp-subnote {
    display: block;
    margin-top: 4px;
    font-size: 12px;
}

.qp-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Theme toggle */
.qp-theme-toggle {
    border-radius: 999px;
    border: 1px solid var(--qp-border-soft);
    padding: 6px 10px;
    background: rgba(255,255,255,0.9);
    cursor: pointer;
    color: var(--qp-accent-dark);
    box-shadow: 0 3px 10px rgba(15,23,42,0.12);
}
[data-qp-theme="dark"] .qp-theme-toggle {
    background: rgba(15,23,42,0.9);
    color: var(--qp-accent);
}
.qp-theme-toggle i {
    font-size: 16px;
}

/* Stepper */
.qp-stepper {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}
.qp-step {
    display: flex;
    align-items: center;
    gap: 8px;
}
.qp-step-circle {
    width: 26px;
    height: 26px;
    border-radius: 999px;
    border: 1px solid var(--qp-border-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: var(--qp-muted);
    background: rgba(255,255,255,0.8);
}
.qp-step-circle-active {
    background: linear-gradient(135deg, var(--qp-accent) 0%, var(--qp-accent-dark) 100%);
    color: #fff;
    border-color: transparent;
}
.qp-step-text {
    font-size: 11px;
}
.qp-step-title {
    font-weight: 600;
}
.qp-step-desc {
    color: var(--qp-muted);
}

/* Panels */
.qp-step-panel {
    display: none;
}
.qp-step-panel-active {
    display: block;
}
.qp-step-header {
    margin-bottom: 12px;
}
.qp-step-heading {
    margin: 0;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.qp-step-heading i {
    color: var(--qp-accent);
}
.qp-text-muted {
    color: var(--qp-muted);
}
.qp-text-small {
    font-size: 12px;
}

/* Form elements */
.qp-form-row {
    margin-bottom: 10px;
}
.qp-textarea {
    width: 100%;
    border-radius: 10px;
    border: 1px solid var(--qp-border-soft);
    padding: 10px 12px;
    min-height: 160px;
    resize: vertical;
    font-family: inherit;
    font-size: 14px;
    background: rgba(255,255,255,0.92);
    outline: none;
}
.qp-textarea:focus {
    border-color: var(--qp-accent);
    box-shadow: 0 0 0 1px rgba(124,58,237,0.16);
}
[data-qp-theme="dark"] .qp-textarea {
    background: rgba(15,23,42,0.9);
    border-color: rgba(148,163,184,0.4);
    color: #e5e7eb;
}

.qp-input, .qp-select {
    border-radius: 8px;
    border: 1px solid var(--qp-border-soft);
    padding: 6px 9px;
    font-size: 13px;
    background: rgba(255,255,255,0.96);
    outline: none;
    width: 100%;
}
.qp-input:focus,
.qp-select:focus {
    border-color: var(--qp-accent);
    box-shadow: 0 0 0 1px rgba(124,58,237,0.12);
}
[data-qp-theme="dark"] .qp-input,
[data-qp-theme="dark"] .qp-select {
    background: rgba(15,23,42,0.96);
    border-color: rgba(148,163,184,0.3);
    color: #e5e7eb;
}

/* Buttons */
.qp-btn {
    border-radius: 999px;
    border: none;
    padding: 7px 13px;
    font-size: 13px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: transform .1s ease, box-shadow .1s ease, background .1s ease;
}
.qp-btn-primary {
    background: linear-gradient(135deg, var(--qp-accent) 0%, var(--qp-accent-dark) 100%);
    color: #fff;
    box-shadow: 0 10px 24px rgba(124,58,237,0.28);
}
.qp-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(124,58,237,0.32);
}
.qp-btn-ghost {
    background: transparent;
    border: 1px solid var(--qp-border-soft);
    color: var(--qp-accent-dark);
}
[data-qp-theme="dark"] .qp-btn-ghost {
    color: var(--qp-accent);
    border-color: rgba(148,163,184,0.5);
}
.qp-btn[disabled] {
    opacity: 0.55;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* Step actions */
.qp-step-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 14px;
}

/* Error message */
.qp-error-msg {
    margin-top: 10px;
    padding: 8px 10px;
    border-radius: 10px;
    background: #fef2f2;
    color: #b91c1c;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}
[data-qp-theme="dark"] .qp-error-msg {
    background: #451a1a;
    color: #fecaca;
}
.qp-hidden {
    display: none !important;
}

/* Flex helpers */
.qp-flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.qp-section-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}

/* Sections list */
.qp-section-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.qp-section-row {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr) auto;
    gap: 8px;
    align-items: center;
    background: var(--qp-accent-soft);
    border-radius: 10px;
    padding: 8px 10px;
    border: 1px dashed rgba(124,58,237,0.3);
}
[data-qp-theme="dark"] .qp-section-row {
    background: rgba(15,23,42,0.8);
}
.qp-section-label {
    font-size: 13px;
    font-weight: 600;
}
.qp-section-meta {
    font-size: 11px;
    color: var(--qp-muted);
}

.qp-section-remove {
    border-radius: 999px;
    border: none;
    background: transparent;
    color: var(--qp-muted);
    cursor: pointer;
}
.qp-section-remove:hover {
    color: #ef4444;
}

/* Preview list */
.qp-preview-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.qp-preview-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 480px;
    overflow-y: auto;
    padding-right: 4px;
}
.qp-question-card {
    border-radius: 10px;
    border: 1px solid rgba(148,163,184,0.35);
    padding: 10px 10px 8px;
    background: rgba(255,255,255,0.96);
}
[data-qp-theme="dark"] .qp-question-card {
    background: rgba(15,23,42,0.96);
}
.qp-question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}
.qp-question-title {
    font-size: 13px;
    font-weight: 600;
}
.qp-question-type {
    font-size: 11px;
    color: var(--qp-muted);
}

.qp-question-controls {
    display: flex;
    gap: 5px;
}
.qp-icon-btn {
    border-radius: 999px;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 4px 6px;
    font-size: 14px;
    color: var(--qp-muted);
}
.qp-icon-btn:hover {
    background: rgba(15,23,42,0.06);
}
[data-qp-theme="dark"] .qp-icon-btn:hover {
    background: rgba(148,163,184,0.16);
}
.qp-icon-danger:hover {
    color: #ef4444;
}

/* Question fields */
.qp-question-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.qp-question-input {
    width: 100%;
}
.qp-options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}
.qp-option-label {
    font-size: 11px;
    color: var(--qp-muted);
}
.qp-pairs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 4px;
}
.qp-pair-remove {
    font-size: 13px;
    cursor: pointer;
    color: #ef4444;
}
.qp-add-pair {
    margin-top: 4px;
    font-size: 12px;
    cursor: pointer;
    color: var(--qp-accent-dark);
}

/* Export */
.qp-export-options {
    display: flex;
    gap: 10px;
}
.qp-radio {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--qp-border-soft);
    cursor: pointer;
}
.qp-radio input {
    display: none;
}
.qp-radio span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.qp-radio i {
    color: var(--qp-accent-dark);
}
.qp-radio input:checked + span,
.qp-radio input:checked + span i {
    color: #fff;
}
.qp-radio input:checked + span {
    background: linear-gradient(135deg, var(--qp-accent), var(--qp-accent-dark));
    border-radius: 999px;
    padding: 4px 8px;
}
.qp-export-note {
    margin-top: 10px;
}

/* Footer */
.qp-footer {
    text-align: center;
    padding: 8px 4px;
}

/* Utilities */
@media (max-width: 768px) {
    .qp-body {
        padding: 14px;
    }
    .qp-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .qp-stepper {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .qp-section-row {
        grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    }
    .qp-section-remove {
        justify-self: flex-end;
    }
}