/* ==========================================================================
   QueStudy Community Pages — Courses, Ask a Question, AI Tools, Community,
   Study Groups, Rewards, Store, Tutors.
   Uses the app design tokens so the pages match the theme in light/dark mode.
   ========================================================================== */

.qsp-page {
    --qsp-primary: var(--qs-app-primary, #2563eb);
    --qsp-primary-dark: var(--qs-app-primary-dark, #1d4ed8);
    --qsp-primary-soft: var(--qs-app-primary-soft, #eff6ff);
    --qsp-primary-border: var(--qs-app-primary-border, #bfdbfe);
    --qsp-bg: var(--qs-app-bg, #f8fafc);
    --qsp-card: var(--qs-app-card, #fff);
    --qsp-card-soft: var(--qs-app-card-soft, #f8fafc);
    --qsp-border: var(--qs-app-border, #e2e8f0);
    --qsp-text: var(--qs-app-text, #1e293b);
    --qsp-text2: var(--qs-app-text-soft, #64748b);
    --qsp-muted: var(--qs-app-muted, #94a3b8);
    --qsp-radius: var(--qs-app-radius, 16px);
    --qsp-radius-sm: var(--qs-app-radius-sm, 12px);
    --qsp-shadow: var(--qs-app-shadow, 0 1px 3px rgba(0, 0, 0, 0.08));
    --qsp-shadow-md: var(--qs-app-shadow-md, 0 6px 16px -6px rgba(15, 23, 42, 0.12));
    color: var(--qsp-text);
}

.qsp-page *,
.qsp-page *::before,
.qsp-page *::after {
    box-sizing: border-box;
}

/* Hero band ----------------------------------------------------------- */
.qsp-hero {
    position: relative;
    border-radius: var(--qsp-radius);
    overflow: hidden;
    margin-bottom: 22px;
    box-shadow: var(--qsp-shadow-md);
    background: linear-gradient(135deg, var(--qsp-primary-dark) 0%, var(--qsp-primary) 55%, #60a5fa 100%);
    color: #fff;
}
.qsp-hero-inner {
    position: relative;
    z-index: 1;
    padding: 34px 32px;
    text-align: center;
}
.qsp-hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 5px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.3);
    margin-bottom: 14px;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}
.qsp-hero h1 {
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 8px;
    color: #fff;
}
.qsp-hero p {
    font-size: 15px;
    margin: 0 auto;
    max-width: 560px;
    opacity: 0.92;
}

/* Stats --------------------------------------------------------------- */
.qsp-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 22px;
}
.qsp-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 96px;
    padding: 12px 20px;
    background: var(--qsp-card);
    border: 1px solid var(--qsp-border);
    border-radius: var(--qsp-radius-sm);
    box-shadow: var(--qsp-shadow);
}
.qsp-stat b {
    font-size: 20px;
    font-weight: 800;
    color: var(--qsp-primary);
    font-variant-numeric: tabular-nums;
}
.qsp-stat small {
    font-size: 11px;
    color: var(--qsp-text2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

/* Section / layout ---------------------------------------------------- */
.qsp-section {
    margin-bottom: 26px;
}
.qsp-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}
.qsp-section-title {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin: 0;
}
.qsp-section-sub {
    font-size: 13px;
    color: var(--qsp-text2);
    margin: 3px 0 0;
}
.qsp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}
.qsp-grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 16px;
}
.qsp-grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

/* Cards --------------------------------------------------------------- */
.qsp-card {
    background: var(--qsp-card);
    border: 1px solid var(--qsp-border);
    border-radius: var(--qsp-radius);
    box-shadow: var(--qsp-shadow);
    overflow: hidden;
    transition: box-shadow 0.2s, transform 0.2s;
}
.qsp-card:hover {
    box-shadow: var(--qsp-shadow-md);
}
.qsp-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--qsp-border);
}
.qsp-card-head h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 800;
}
.qsp-card-body {
    padding: 20px;
}
.qsp-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* Buttons ------------------------------------------------------------- */
.qsp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: 2px solid var(--qsp-border);
    border-radius: 10px;
    background: var(--qsp-card);
    color: var(--qsp-text);
    font-size: 14px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}
.qsp-btn:hover {
    background: var(--qsp-card-soft);
}
.qsp-btn-primary {
    background: var(--qsp-primary);
    border-color: var(--qsp-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}
.qsp-btn-primary:hover {
    background: var(--qsp-primary-dark);
    border-color: var(--qsp-primary-dark);
    color: #fff;
}
.qsp-btn-outline {
    background: transparent;
    border-color: var(--qsp-primary);
    color: var(--qsp-primary);
}
.qsp-btn-outline:hover {
    background: var(--qsp-primary-soft);
    color: var(--qsp-primary);
}
.qsp-btn-soft {
    background: var(--qsp-primary-soft);
    border-color: var(--qsp-primary-border);
    color: var(--qsp-primary);
}
.qsp-btn-soft:hover {
    background: var(--qsp-primary);
    border-color: var(--qsp-primary);
    color: #fff;
}
.qsp-btn-white {
    background: #fff;
    border-color: #fff;
    color: var(--qsp-primary-dark);
}
.qsp-btn-sm {
    padding: 7px 14px;
    font-size: 13px;
    border-radius: 8px;
}
.qsp-btn-lg {
    padding: 13px 30px;
    font-size: 15px;
    border-radius: 12px;
}
.qsp-btn-block {
    width: 100%;
}

/* Forms --------------------------------------------------------------- */
.qsp-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.qsp-field label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--qsp-text);
    margin-bottom: 6px;
}
.qsp-field .qsp-hint {
    font-size: 12px;
    color: var(--qsp-muted);
    margin-top: 4px;
}
.qsp-input,
.qsp-select,
.qsp-textarea {
    width: 100%;
    padding: 11px 14px;
    border: 2px solid var(--qsp-border);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    background: var(--qsp-card);
    color: var(--qsp-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.qsp-input:focus,
.qsp-select:focus,
.qsp-textarea:focus {
    outline: none;
    border-color: var(--qsp-primary);
    box-shadow: 0 0 0 3px var(--qsp-primary-soft);
}
.qsp-textarea {
    min-height: 130px;
    resize: vertical;
}
.qsp-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* Chips --------------------------------------------------------------- */
.qsp-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}
.qsp-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 2px solid var(--qsp-border);
    border-radius: 999px;
    background: var(--qsp-card);
    color: var(--qsp-text2);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
}
.qsp-chip:hover {
    border-color: var(--qsp-primary);
    color: var(--qsp-primary);
}
.qsp-chip.qsp-chip-active {
    background: var(--qsp-primary);
    border-color: var(--qsp-primary);
    color: #fff;
}

/* Badges / tags ------------------------------------------------------- */
.qsp-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    background: var(--qsp-primary-soft);
    color: var(--qsp-primary);
}
.qsp-tag-green {
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
}
.qsp-tag-amber {
    background: rgba(245, 158, 11, 0.14);
    color: #b45309;
}
.qsp-tag-red {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
}

/* List rows ----------------------------------------------------------- */
.qsp-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.qsp-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--qsp-card-soft);
    border: 1px solid var(--qsp-border);
    border-radius: var(--qsp-radius-sm);
}
.qsp-avatar {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--qsp-primary), #60a5fa);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 15px;
    flex-shrink: 0;
    text-transform: uppercase;
    overflow: hidden;
}
.qsp-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.qsp-avatar-edit {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.qsp-avatar-edit-preview .qsp-avatar {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    font-size: 30px;
}
.qsp-avatar-edit-preview img.qsp-avatar-edit-img {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}
.qsp-avatar-edit-controls {
    flex: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.qsp-avatar-edit-file {
    display: block;
    width: 100%;
    padding: 10px 12px;
    border: 1.5px dashed var(--qsp-border);
    border-radius: var(--qsp-radius-sm);
    background: #fff;
    font-size: 13px;
    font-family: inherit;
    color: var(--qsp-text2);
    cursor: pointer;
    transition: border-color .2s ease;
}
.qsp-avatar-edit-file:hover,
.qsp-avatar-edit-file:focus {
    outline: none;
    border-color: var(--qsp-primary);
    box-shadow: 0 0 0 4px rgba(37,99,235,0.12);
}
.qsp-avatar-edit-remove {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--qsp-text2);
    cursor: pointer;
}
.qsp-avatar-edit-error {
    font-size: 13px;
    color: #dc2626;
}
.qsp-row-main {
    flex: 1;
    min-width: 0;
}
.qsp-row-main strong {
    display: block;
    font-size: 14px;
    color: var(--qsp-text);
}
.qsp-row-main span {
    font-size: 12px;
    color: var(--qsp-text2);
}

/* Item cards (courses / store) --------------------------------------- */
.qsp-item {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 20px;
    background: var(--qsp-card);
    border: 1px solid var(--qsp-border);
    border-radius: var(--qsp-radius);
    box-shadow: var(--qsp-shadow);
    transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
    text-decoration: none;
    color: inherit;
}
a.qsp-item:hover {
    box-shadow: var(--qsp-shadow-md);
    transform: translateY(-2px);
    border-color: var(--qsp-primary-border);
}
.qsp-item-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--qsp-primary-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 14px;
}
.qsp-item h3 {
    margin: 0 0 6px;
    font-size: 15px;
    font-weight: 800;
    color: var(--qsp-text);
}
.qsp-item p {
    margin: 0 0 14px;
    font-size: 13px;
    line-height: 1.5;
    color: var(--qsp-text2);
    flex: 1;
}
.qsp-item-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 12px;
    color: var(--qsp-muted);
}

/* Notices ------------------------------------------------------------- */
.qsp-flash {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 18px;
    border-radius: var(--qsp-radius-sm);
    border: 1px solid var(--qsp-primary-border);
    background: var(--qsp-primary-soft);
    color: var(--qsp-primary);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 18px;
}
.qsp-note {
    padding: 26px;
    text-align: center;
    border: 1px dashed var(--qsp-border-strong, var(--qsp-border));
    border-radius: var(--qsp-radius);
    background: var(--qsp-card-soft);
    color: var(--qsp-text2);
    font-size: 14px;
}
.qsp-note strong {
    display: block;
    font-size: 16px;
    color: var(--qsp-text);
    margin-bottom: 6px;
}
.qsp-note .qsp-note-cta {
    margin-top: 14px;
}

/* Account page ---------------------------------------------------------- */
.qsp-kicker {
    display: block;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--qsp-primary);
    margin-bottom: 4px;
}
.qsp-note-success {
    border: 1px solid var(--qsp-success-border, rgba(16, 185, 129, 0.35));
    background: rgba(16, 185, 129, 0.08);
    color: var(--qsp-success, #059669);
    text-align: left;
}
.qsp-avatar-img {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    object-fit: cover;
}

/* Timelines / progress ------------------------------------------------ */
.qsp-bar {
    height: 10px;
    border-radius: 999px;
    background: var(--qsp-card-soft);
    border: 1px solid var(--qsp-border);
    overflow: hidden;
}
.qsp-bar-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--qsp-primary), #60a5fa);
}
.qsp-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
}
.qsp-step {
    padding: 18px;
    background: var(--qsp-card);
    border: 1px solid var(--qsp-border);
    border-radius: var(--qsp-radius-sm);
    text-align: center;
}
.qsp-step b {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin: 0 auto 10px;
    border-radius: 50%;
    background: var(--qsp-primary);
    color: #fff;
    font-size: 14px;
}
.qsp-step strong {
    display: block;
    font-size: 14px;
    margin-bottom: 4px;
}
.qsp-step span {
    font-size: 12px;
    color: var(--qsp-text2);
    line-height: 1.5;
}

/* Responsive ---------------------------------------------------------- */
@media (max-width: 640px) {
    .qsp-hero-inner {
        padding: 26px 18px;
    }
    .qsp-hero h1 {
        font-size: 24px;
    }
    .qsp-field-row {
        grid-template-columns: 1fr;
    }
    .qsp-grid,
    .qsp-grid-2,
    .qsp-grid-3 {
        grid-template-columns: 1fr;
    }
    .qsp-section-head {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Row links ----------------------------------------------------------- */
.qsp-row-main a {
    text-decoration: none;
}
.qsp-row-main a strong {
    transition: color 0.15s;
}
.qsp-row-main a:hover strong {
    color: var(--qsp-primary);
}

/* Question detail ----------------------------------------------------- */
.qsp-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--qsp-muted);
    margin-bottom: 14px;
}
.qsp-breadcrumb a {
    color: var(--qsp-primary);
    text-decoration: none;
    font-weight: 600;
}
.qsp-question-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.qsp-question-meta strong {
    display: block;
    font-size: 14px;
}
.qsp-question-meta span {
    font-size: 12px;
    color: var(--qsp-text2);
}
.qsp-question-title {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin: 0 0 12px;
    color: var(--qsp-text);
}
.qsp-question-body {
    font-size: 15px;
    line-height: 1.65;
    color: var(--qsp-text);
    white-space: pre-line;
}
.qsp-question-body p {
    margin: 0 0 10px;
}
.qsp-question-foot {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--qsp-border);
    font-size: 13px;
    color: var(--qsp-text2);
}

/* Answer thread ------------------------------------------------------- */
.qsp-answers {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.qsp-answer {
    display: flex;
    gap: 14px;
    padding: 18px;
    background: var(--qsp-card);
    border: 1px solid var(--qsp-border);
    border-radius: var(--qsp-radius);
    box-shadow: var(--qsp-shadow);
}
.qsp-answer-main {
    flex: 1;
    min-width: 0;
}
.qsp-answer-head {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}
.qsp-answer-head strong {
    font-size: 14px;
}
.qsp-answer-date {
    font-size: 12px;
    color: var(--qsp-muted);
}
.qsp-tutor-badge {
    background: rgba(139, 92, 246, 0.14);
    color: #7c3aed;
}
.qsp-answer-body {
    font-size: 14px;
    line-height: 1.6;
    color: var(--qsp-text);
    white-space: pre-line;
}
.qsp-answer-body p {
    margin: 0 0 8px;
}
.qsp-answer-body p:last-child {
    margin-bottom: 0;
}

/* Course lessons ------------------------------------------------------ */
.qsp-mc {
    background: var(--qsp-card-soft);
    border: 1px solid var(--qsp-border);
    border-radius: var(--qsp-radius-sm);
    overflow: hidden;
}
.qsp-mc > .qsp-row {
    border: none;
    border-radius: 0;
    background: transparent;
}
.qsp-mc-lessons {
    border-top: 1px solid var(--qsp-border);
}
.qsp-mc-lessons summary {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    color: var(--qsp-primary);
    list-style: none;
    user-select: none;
}
.qsp-mc-lessons summary::-webkit-details-marker {
    display: none;
}
.qsp-mc-lessons summary::before {
    content: "▸";
    transition: transform 0.2s;
}
.qsp-mc-lessons[open] summary::before {
    transform: rotate(90deg);
}
.qsp-mc-lessons-inner {
    padding: 12px 16px 16px;
    border-top: 1px dashed var(--qsp-border);
}
.qsp-list-sm {
    gap: 8px;
    margin-bottom: 12px;
}
.qsp-list-sm .qsp-row {
    padding: 10px 12px;
    background: var(--qsp-card);
}
.qsp-list-sm .qsp-avatar {
    width: 32px;
    height: 32px;
    font-size: 13px;
    border-radius: 8px;
}

.qsp-lessons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.qsp-lesson {
    background: var(--qsp-card);
    border: 1px solid var(--qsp-border);
    border-radius: var(--qsp-radius-sm);
    overflow: hidden;
    box-shadow: var(--qsp-shadow);
}
.qsp-lesson-summary {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    cursor: pointer;
    list-style: none;
    user-select: none;
}
.qsp-lesson-summary::-webkit-details-marker {
    display: none;
}
.qsp-lesson-no {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    background: var(--qsp-primary-soft);
    color: var(--qsp-primary);
    font-size: 13px;
    font-weight: 800;
}
.qsp-lesson-title {
    flex: 1;
    min-width: 0;
    font-size: 14px;
    font-weight: 700;
    color: var(--qsp-text);
}
.qsp-lesson-toggle {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--qsp-card-soft);
    color: var(--qsp-primary);
    font-size: 16px;
    font-weight: 800;
    transition: transform 0.2s;
}
.qsp-lesson[open] .qsp-lesson-toggle {
    transform: rotate(45deg);
}
.qsp-lesson-body {
    padding: 6px 16px 16px 62px;
    border-top: 1px dashed var(--qsp-border);
    font-size: 14px;
    line-height: 1.65;
    color: var(--qsp-text);
}
.qsp-lesson-body p {
    margin: 0 0 10px;
}
.qsp-lesson-body p:last-child {
    margin-bottom: 0;
}
.qsp-lesson-body ul,
.qsp-lesson-body ol {
    padding-left: 20px;
    margin: 0 0 10px;
}
.qsp-lesson-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--qsp-radius-sm);
}
@media (max-width: 560px) {
    .qsp-lesson-body {
        padding-left: 16px;
    }
}

/* Answer voting ------------------------------------------------------- */
.qsp-answer {
    position: relative;
}
.qsp-answer-accepted {
    border-color: var(--qsp-primary-border);
    box-shadow: 0 0 0 1px var(--qsp-primary-border), var(--qsp-shadow);
}
.qsp-vote {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
    padding-top: 2px;
}
.qsp-vote-btn {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--qsp-border);
    border-radius: 10px;
    background: var(--qsp-card);
    color: var(--qsp-muted);
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.2s;
}
.qsp-vote-btn:hover {
    border-color: var(--qsp-primary);
    color: var(--qsp-primary);
    background: var(--qsp-primary-soft);
}
.qsp-vote-btn-active {
    border-color: var(--qsp-primary);
    color: #fff;
    background: var(--qsp-primary);
}
.qsp-vote-count {
    font-size: 13px;
    font-weight: 800;
    color: var(--qsp-text2);
}

/* Image upload -------------------------------------------------------- */
.qsp-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 28px 20px;
    border: 2px dashed var(--qsp-border);
    border-radius: var(--qsp-radius-sm);
    background: var(--qsp-card-soft);
    cursor: pointer;
    text-align: center;
    transition: border-color 0.2s, background 0.2s;
}
.qsp-upload:hover,
.qsp-upload:focus-within {
    border-color: var(--qsp-primary);
    background: var(--qsp-primary-soft);
}
.qsp-upload svg {
    width: 30px;
    height: 30px;
    color: var(--qsp-primary);
}
.qsp-upload strong {
    font-size: 14px;
    color: var(--qsp-text);
}
.qsp-upload span {
    font-size: 12px;
    color: var(--qsp-muted);
}
.qsp-upload-preview {
    position: relative;
    margin-top: 12px;
}
.qsp-upload-preview img {
    display: block;
    width: 100%;
    max-height: 240px;
    object-fit: cover;
    border-radius: var(--qsp-radius-sm);
    border: 1px solid var(--qsp-border);
}
.qsp-upload-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border: 0;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.75);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s;
}
.qsp-upload-remove:hover {
    background: rgba(239, 68, 68, 0.9);
}
.qsp-upload-error {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    font-weight: 600;
    color: #dc2626;
}

/* Question image ------------------------------------------------------ */
.qsp-question-image {
    margin: 0 0 16px;
    border-radius: var(--qsp-radius-sm);
    overflow: hidden;
    border: 1px solid var(--qsp-border);
}
.qsp-question-image img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 420px;
    object-fit: cover;
}

/* Recent question thumbnail ------------------------------------------- */
.qsp-row-thumb {
    width: 40px;
    height: 40px;
    flex: none;
    border-radius: 10px;
    object-fit: cover;
    border: 1px solid var(--qsp-border);
}

@media (max-width: 560px) {
    .qsp-vote {
        flex-direction: row;
        gap: 8px;
    }
    .qsp-answer {
        flex-wrap: wrap;
    }
}

/* ════════════════════════════════════════════════════════════════════
   Tutors page — modern hero + tutor cards (scoped to .qs-page-tutors)
   ════════════════════════════════════════════════════════════════════ */

.qs-page-tutors .qsp-hero {
    background: linear-gradient(135deg, #1E1B4B 0%, #4F46E5 55%, #7C3AED 100%);
    isolation: isolate;
}
.qst-hero {
    position: relative;
    overflow: hidden;
}
.qst-hero-glow-1,
.qst-hero-glow-2 {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.55;
    pointer-events: none;
    z-index: 0;
}
.qst-hero-glow-1 {
    width: 420px;
    height: 420px;
    top: -180px;
    right: -80px;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.9), transparent 70%);
}
.qst-hero-glow-2 {
    width: 340px;
    height: 340px;
    bottom: -160px;
    left: -60px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.9), transparent 70%);
}
.qst-hero-grid {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 44px 44px;
    -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
    mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
    pointer-events: none;
}
.qst-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0 auto;
    padding: clamp(40px, 5vw, 64px) clamp(20px, 4vw, 32px);
    text-align: center;
}
.qs-page-tutors .qsp-hero h1 {
    font-size: clamp(1.9rem, 4.5vw, 2.75rem);
    letter-spacing: -0.03em;
}
.qs-page-tutors .qsp-hero p {
    max-width: 600px;
    color: rgba(255, 255, 255, 0.85);
}
.qs-page-tutors .qsp-hero-kicker {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.22);
    color: #fff;
}
.qs-page-tutors .qsp-hero-kicker svg {
    width: 15px;
    height: 15px;
}

/* Hero meta chips ---------------------------------------------------- */
.qst-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 26px;
}
.qst-hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.16);
    font-size: 0.78rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
}
.qst-hero-meta span svg {
    width: 14px;
    height: 14px;
    opacity: 0.7;
}

/* Tutor grid --------------------------------------------------------- */
.qst-tutor-grid {
    grid-template-columns: repeat(auto-fill, minmax(265px, 1fr));
    gap: 18px;
}

/* Tutor card --------------------------------------------------------- */
.qst-tutor-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 22px;
    background: var(--qsp-card);
    border: 1px solid var(--qsp-border);
    border-radius: var(--qsp-radius);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.qst-tutor-card:hover {
    transform: translateY(-4px);
    border-color: var(--qsp-primary-border);
    box-shadow: var(--qsp-shadow-md);
}
.qst-tutor-card-top {
    display: flex;
    align-items: center;
    gap: 12px;
}
.qst-tutor-avatar {
    width: 56px;
    height: 56px;
    flex: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--qsp-primary), #7C3AED);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.28);
}
.qst-tutor-head {
    min-width: 0;
    flex: 1;
}
.qst-tutor-name {
    margin: 0 0 4px;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: -0.01em;
}
.qst-tutor-subject {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    background: var(--qsp-primary-soft);
    color: var(--qsp-primary);
}
.qst-tutor-bio {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--qsp-text2);
    min-height: 62px;
}
.qst-tutor-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: auto;
}
.qst-tutor-price {
    font-size: 16px;
    font-weight: 800;
    color: var(--qsp-primary);
    font-variant-numeric: tabular-nums;
}

/* Fade-in ------------------------------------------------------------ */
@keyframes qst-fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}
.qst-fade-in {
    animation: qst-fadeIn 0.5s ease-out forwards;
}
.qst-fade-in-delay-1 { animation-delay: 0.06s; opacity: 0; }
.qst-fade-in-delay-2 { animation-delay: 0.12s; opacity: 0; }
.qst-fade-in-delay-3 { animation-delay: 0.18s; opacity: 0; }

/* Filter bar --------------------------------------------------------- */
.qst-filterbar {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
    padding: 18px 20px;
    background: var(--qsp-card);
    border: 1px solid var(--qsp-border);
    border-radius: var(--qsp-radius);
    box-shadow: var(--qsp-shadow);
}
.qst-filterbar-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-end;
}
.qst-filter-field {
    flex: 1 1 170px;
    min-width: 150px;
}
.qst-filter-field label {
    display: block;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--qsp-text2);
    margin-bottom: 6px;
}
.qst-filter-select {
    height: 42px;
}
.qst-filter-clear {
    height: 42px;
}
.qst-filterbar-foot {
    padding-top: 12px;
    border-top: 1px dashed var(--qsp-border);
}
.qst-filter-count {
    font-size: 13px;
    font-weight: 700;
    color: var(--qsp-primary);
}
.qst-filter-empty {
    display: none;
    padding: 42px 24px;
    text-align: center;
    color: var(--qsp-text2);
    border: 1px dashed var(--qsp-border);
    border-radius: var(--qsp-radius);
    background: var(--qsp-card-soft);
}
.qst-filter-empty strong {
    display: block;
    font-size: 15px;
    color: var(--qsp-text);
    margin-bottom: 6px;
}

/* Dark mode tweaks --------------------------------------------------- */
html[data-theme="dark"] .qst-tutor-card {
    background: var(--qsp-card);
}

@media (max-width: 640px) {
    .qst-tutor-grid {
        grid-template-columns: 1fr;
    }
    .qst-filter-field {
        flex: 1 1 100%;
    }
}

/* How it works ------------------------------------------------------ */
.qst-how-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.qst-how-step {
    padding: 22px;
    background: var(--qsp-card);
    border: 1px solid var(--qsp-border);
    border-radius: var(--qsp-radius);
    box-shadow: var(--qsp-shadow);
}
.qst-how-step strong {
    display: block;
    margin: 12px 0 6px;
    font-size: 15px;
}
.qst-how-step p {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--qsp-text2);
}
.qst-how-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: var(--qsp-primary-soft);
    color: var(--qsp-primary);
    font-weight: 800;
    font-size: 15px;
}

/* Pills & badges ---------------------------------------------------- */
.qst-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.qst-exam-pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    background: var(--qsp-primary-soft);
    color: var(--qsp-primary);
    border: 1px solid var(--qsp-primary-border);
}
.qst-delivery-chip {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    background: var(--qsp-card-soft);
    color: var(--qsp-text2);
    border: 1px solid var(--qsp-border);
}
.qst-badge-verified {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
    background: rgba(16, 185, 129, 0.14);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Tutor profile ----------------------------------------------------- */
.qst-avatar-lg {
    width: 76px;
    height: 76px;
    font-size: 34px;
    border-radius: 20px;
}
.qst-profile {
    padding: 26px;
    margin-bottom: 26px;
    background: var(--qsp-card);
    border: 1px solid var(--qsp-border);
    border-radius: var(--qsp-radius);
    box-shadow: var(--qsp-shadow-md);
}
.qst-profile-head {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding-bottom: 20px;
    border-bottom: 1px dashed var(--qsp-border);
}
.qst-profile-head-main {
    flex: 1;
    min-width: 0;
}
.qst-profile-name {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 8px;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.qst-profile-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}
.qst-profile-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    background: var(--qsp-card-soft);
    color: var(--qsp-text2);
    border: 1px solid var(--qsp-border);
}
.qst-profile-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    font-size: 12px;
    color: var(--qsp-text2);
}
.qst-profile-stats span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.qst-profile-stats span::before {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--qsp-primary);
    opacity: 0.5;
}
.qst-profile-cta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: none;
}
.qst-profile-cta .qsp-btn {
    width: 100%;
}
.qst-profile-body {
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: 22px;
    padding: 20px 0;
    border-bottom: 1px dashed var(--qsp-border);
}
.qst-profile-about h3,
.qst-profile-side h3 {
    margin: 0 0 10px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--qsp-text2);
}
.qst-profile-bio {
    margin: 0 0 18px;
    font-size: 14px;
    line-height: 1.65;
}
.qst-profile-about .qst-pills {
    margin-bottom: 18px;
}
.qst-rate-box {
    padding: 14px 16px;
    margin-bottom: 10px;
    border-radius: var(--qsp-radius-sm);
    background: var(--qsp-primary-soft);
    border: 1px solid var(--qsp-primary-border);
}
.qst-rate-box strong {
    display: block;
    font-size: 20px;
    font-weight: 800;
    color: var(--qsp-primary);
    font-variant-numeric: tabular-nums;
}
.qst-rate-box span {
    display: block;
    margin-top: 2px;
    font-size: 12px;
    line-height: 1.5;
    color: var(--qsp-text2);
}
.qst-rate-box-trial {
    background: var(--qsp-card-soft);
    border-color: var(--qsp-border);
}
.qst-rate-box-trial strong {
    color: var(--qsp-text);
}
.qst-availability {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--qsp-text2);
}
.qst-profile-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    font-size: 13px;
    font-weight: 700;
    color: var(--qsp-primary);
}
.qst-profile-back:hover {
    text-decoration: underline;
}

/* Card actions ------------------------------------------------------ */
.qst-tutor-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.qst-tutor-actions .qsp-btn {
    width: 100%;
}

/* Trial option ------------------------------------------------------ */
.qst-trial-opt {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 12px 0;
    font-size: 13px;
    font-weight: 700;
    color: var(--qsp-primary);
    cursor: pointer;
}
.qst-trial-opt input {
    width: 16px;
    height: 16px;
    accent-color: var(--qsp-primary);
}

/* Pay summary -------------------------------------------------------- */
.qst-pay-wrap {
    margin: 14px 0;
}
.qst-pay-summary {
    border: 1px solid rgba(30, 64, 175, 0.18);
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.06), rgba(245, 158, 11, 0.06));
    border-radius: 12px;
    padding: 14px 16px;
}
.qst-pay-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.qst-pay-label {
    font-size: 13px;
    color: var(--qsp-secondary, #64748b);
}
.qst-pay-amount {
    font-size: 18px;
    color: var(--qsp-primary);
    white-space: nowrap;
}
.qst-pay-opt {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    font-size: 13px;
    font-weight: 700;
    color: var(--qsp-primary);
    cursor: pointer;
}
.qst-pay-opt input {
    width: 16px;
    height: 16px;
    accent-color: var(--qsp-primary);
}
#qst-booking-submit:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

/* Testimonials ------------------------------------------------------ */
.qst-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.qst-testimonial {
    padding: 20px;
    background: var(--qsp-card);
    border: 1px solid var(--qsp-border);
    border-radius: var(--qsp-radius);
    box-shadow: var(--qsp-shadow);
}
.qst-testimonial h3 {
    margin: 0;
    font-size: 14px;
}
.qst-testimonial p {
    margin: 10px 0 0;
    font-size: 13px;
    line-height: 1.65;
}

/* FAQ --------------------------------------------------------------- */
.qst-faq-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.qst-faq-item {
    background: var(--qsp-card);
    border: 1px solid var(--qsp-border);
    border-radius: var(--qsp-radius-sm);
    box-shadow: var(--qsp-shadow);
    overflow: hidden;
}
.qst-faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 14px 18px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
}
.qst-faq-item summary::-webkit-details-marker {
    display: none;
}
.qst-faq-item summary::after {
    content: "+";
    font-size: 18px;
    font-weight: 800;
    color: var(--qsp-primary);
    transition: transform 0.2s;
}
.qst-faq-item[open] summary::after {
    transform: rotate(45deg);
}
.qst-faq-item p {
    margin: 0;
    padding: 0 18px 16px;
    font-size: 13px;
    line-height: 1.65;
    color: var(--qsp-text2);
}

/* Dark mode tweaks -------------------------------------------------- */
html[data-theme="dark"] .qst-badge-verified {
    background: rgba(16, 185, 129, 0.18);
    color: #34d399;
}

/* Responsive -------------------------------------------------------- */
@media (max-width: 900px) {
    .qst-how-grid,
    .qst-testimonials-grid {
        grid-template-columns: 1fr;
    }
    .qst-profile-body {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 640px) {
    .qst-profile-head {
        flex-direction: column;
    }
    .qst-profile-cta {
        flex-direction: row;
    }
    .qst-profile-cta .qsp-btn {
        flex: 1;
    }
    .qst-tutor-actions {
        grid-template-columns: 1fr;
    }
}

/* ===== Store (modern) ================================================ */

.qsp-store-hero {
    position: relative;
    background: linear-gradient(135deg, var(--qsp-primary-dark) 0%, var(--qsp-primary) 48%, #8b5cf6 100%);
}
.qsp-store-hero .qsp-hero-inner {
    padding: 42px 32px 50px;
}
.qsp-store-hero-orb {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    font-size: 30px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.28);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    box-shadow: 0 12px 30px -8px rgba(2, 6, 23, 0.35);
}
.qsp-store-hero-orb-a {
    top: 26px;
    right: 34px;
    animation: qspFloat 6s ease-in-out infinite;
}
.qsp-store-hero-orb-b {
    bottom: 22px;
    left: 30px;
    width: 44px;
    height: 44px;
    font-size: 22px;
    animation: qspFloat 7s ease-in-out infinite reverse;
}
@keyframes qspFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.qsp-wallet {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 20px 24px;
    margin-bottom: 24px;
    border-radius: var(--qsp-radius);
    box-shadow: var(--qsp-shadow-md);
    position: relative;
    overflow: hidden;
}
.qsp-wallet::after {
    content: "";
    position: absolute;
    right: -40px;
    top: -40px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.18) 0%, rgba(245, 158, 11, 0) 70%);
    pointer-events: none;
}
.qsp-wallet-balance {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.qsp-wallet-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--qsp-text2);
}
.qsp-wallet-coins {
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--qsp-warning, #f59e0b);
    font-variant-numeric: tabular-nums;
}
.qsp-wallet-coins-muted {
    color: var(--qsp-text2);
    font-size: 16px;
}
.qsp-wallet-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.qsp-owned-list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.qsp-tag-owned {
    background: var(--qsp-primary-soft);
    border: 1px solid var(--qsp-primary-border);
    color: var(--qsp-primary);
}

.qsp-product-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.qsp-product {
    display: flex;
    flex-direction: column;
    border-radius: var(--qsp-radius);
    transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
}
.qsp-product:hover {
    box-shadow: var(--qsp-shadow-md);
    transform: translateY(-4px);
    border-color: var(--qsp-primary-border);
}
.qsp-product-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    padding: 20px 20px 0;
}
.qsp-product-tile {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 18px;
    font-size: 30px;
    box-shadow: 0 10px 22px -10px rgba(2, 6, 23, 0.4);
}
.qsp-product-tile-1 { background: linear-gradient(135deg, #2563eb, #60a5fa); }
.qsp-product-tile-2 { background: linear-gradient(135deg, #7c3aed, #a78bfa); }
.qsp-product-tile-3 { background: linear-gradient(135deg, #059669, #34d399); }
.qsp-product-tile-4 { background: linear-gradient(135deg, #d97706, #fbbf24); }
.qsp-product-tile-5 { background: linear-gradient(135deg, #e11d48, #fb7185); }
.qsp-product-tile-6 { background: linear-gradient(135deg, #0891b2, #22d3ee); }
.qsp-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 999px;
}
.qsp-badge-owned {
    background: rgba(16, 185, 129, 0.12);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.3);
}
.qsp-product-body {
    padding: 16px 20px;
    flex: 1;
}
.qsp-product-body h3 {
    margin: 0 0 6px;
    font-size: 15px;
    font-weight: 800;
    color: var(--qsp-text);
}
.qsp-product-body p {
    margin: 0;
    font-size: 13px;
    line-height: 1.5;
    color: var(--qsp-text2);
}
.qsp-product-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 0 20px 20px;
}
.qsp-price {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 7px 12px;
    border-radius: 999px;
    background: var(--qsp-primary-soft);
    border: 1px solid var(--qsp-primary-border);
    color: var(--qsp-primary);
    font-size: 13px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.qsp-btn-warn {
    background: linear-gradient(135deg, #f59e0b, #f97316);
    border-color: transparent;
    color: #fff;
}
.qsp-btn-warn:hover {
    filter: brightness(1.06);
    box-shadow: 0 8px 20px -8px rgba(245, 158, 11, 0.5);
}
.qsp-btn-block {
    width: 100%;
}
.qsp-flash-warn {
    border-color: rgba(245, 158, 11, 0.4);
    background: rgba(245, 158, 11, 0.12);
    color: #b45309;
}

/* Top-up modal ------------------------------------------------------- */
.qsp-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.qsp-modal[hidden] {
    display: none;
}
.qsp-modal-open {
    overflow: hidden;
}
.qsp-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.55);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}
.qsp-modal-panel {
    position: relative;
    width: 100%;
    max-width: 480px;
    padding: 28px;
    border-radius: 22px;
    background: var(--qsp-card);
    border: 1px solid var(--qsp-border);
    box-shadow: 0 30px 70px -20px rgba(2, 6, 23, 0.5);
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    animation: qspModalIn 0.22s ease-out;
}
@keyframes qspModalIn {
    from { opacity: 0; transform: translateY(14px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.qsp-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 50%;
    background: var(--qsp-card-soft);
    color: var(--qsp-text2);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}
.qsp-modal-close:hover {
    background: var(--qsp-border);
    color: var(--qsp-text);
}
.qsp-modal-panel h2 {
    margin: 6px 0 6px;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--qsp-text);
}
.qsp-modal-sub {
    margin: 0 0 18px;
    font-size: 13px;
    line-height: 1.5;
    color: var(--qsp-text2);
}
.qsp-topup-presets {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 14px;
}
.qsp-topup-preset {
    display: flex;
    flex-direction: column;
    gap: 2px;
    align-items: flex-start;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1.5px solid var(--qsp-border);
    background: var(--qsp-card-soft);
    color: var(--qsp-text);
    font-family: inherit;
    cursor: pointer;
    text-align: left;
    transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
.qsp-topup-preset strong {
    font-size: 15px;
    font-weight: 800;
}
.qsp-topup-preset span {
    font-size: 12px;
    font-weight: 600;
    color: var(--qsp-text2);
}
.qsp-topup-preset:hover {
    border-color: var(--qsp-primary-border);
    transform: translateY(-1px);
}
.qsp-topup-preset.is-active {
    border-color: var(--qsp-primary);
    background: var(--qsp-primary-soft);
}
.qsp-topup-preset.is-active span {
    color: var(--qsp-primary);
}
.qsp-topup-custom {
    margin-bottom: 14px;
}
.qsp-topup-custom label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--qsp-text);
}
.qsp-topup-custom input {
    width: 100%;
    padding: 11px 14px;
    border-radius: 12px;
    border: 1.5px solid var(--qsp-border);
    background: var(--qsp-card-soft);
    color: var(--qsp-text);
    font-size: 14px;
    font-variant-numeric: tabular-nums;
}
.qsp-topup-custom input:focus {
    outline: none;
    border-color: var(--qsp-primary);
    box-shadow: 0 0 0 3px var(--qsp-primary-soft);
}
.qsp-topup-summary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
    padding: 12px 16px;
    margin-bottom: 14px;
    border-radius: 14px;
    background: var(--qsp-card-soft);
    border: 1px dashed var(--qsp-border);
    font-size: 13px;
    color: var(--qsp-text2);
}
.qsp-topup-summary strong {
    font-size: 16px;
    font-weight: 800;
    color: var(--qsp-primary);
    font-variant-numeric: tabular-nums;
}
.qsp-modal-fine {
    margin: 12px 0 0;
    text-align: center;
    font-size: 12px;
    color: var(--qsp-muted);
}

html[data-theme="dark"] .qsp-store-hero-orb {
    background: rgba(255, 255, 255, 0.08);
}
html[data-theme="dark"] .qsp-flash-warn {
    background: rgba(245, 158, 11, 0.14);
    color: #fbbf24;
}
html[data-theme="dark"] .qsp-badge-owned {
    background: rgba(16, 185, 129, 0.16);
    color: #34d399;
}

@media (max-width: 560px) {
    .qsp-store-hero .qsp-hero-inner {
        padding: 34px 22px 40px;
    }
    .qsp-wallet {
        flex-direction: column;
        align-items: flex-start;
    }
    .qsp-wallet-actions {
        width: 100%;
    }
    .qsp-wallet-actions .qsp-btn {
        flex: 1;
    }
    .qsp-product-grid {
        grid-template-columns: 1fr;
    }
    .qsp-topup-presets {
        grid-template-columns: 1fr;
    }
}