/* Page Wrapper spacing */
.page-content-wrapper {
    padding-top: var(--spacing-8);
    padding-bottom: var(--spacing-16);
    min-height: 80vh;
}

/* Header & Intro */
.resource-header {
    text-align: center;
    margin-bottom: var(--spacing-12);
}

.resource-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-3);
    letter-spacing: -0.025em;
}

.resource-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto var(--spacing-8) auto;
    line-height: 1.6;
}

/* Search and Filter Container */
.search-filter-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-6);
    background-color: var(--color-bg-surface);
    padding: var(--spacing-6);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    max-width: 900px;
    margin: 0 auto;
}

/* Search Box */
.search-box {
    position: relative;
    width: 100%;
    max-width: 600px;
}

.search-box input {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4) var(--spacing-3) 2.75rem;
    font-size: 1rem;
    border-radius: var(--radius-full);
    border: 1.5px solid var(--color-border);
    background-color: var(--color-bg-base);
    color: var(--color-text-main);
    transition: all 0.2s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-bg-surface);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: 1rem;
    pointer-events: none;
}

.clear-btn {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

.clear-btn:hover {
    background-color: var(--color-border);
    color: var(--color-text-main);
}

/* Filter Tabs */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-2);
    width: 100%;
}

.filter-tab {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    background-color: var(--color-bg-base);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
    cursor: pointer;
}

.filter-tab:hover {
    background-color: var(--color-border);
    color: var(--color-text-main);
}

.filter-tab.active {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Resources Cards Grid */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

@media (min-width: 768px) {
    .resource-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .resource-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Card Styling */
.resource-card {
    background-color: var(--color-bg-surface);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
    padding: var(--spacing-6);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
    height: 100%;
}

.resource-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(79, 70, 229, 0.3);
}

.resource-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
}

.resource-card-icon {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    box-shadow: var(--shadow-sm);
}

/* Category Gradient Schemes */
.resource-card-icon.reading { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.resource-card-icon.writing { background: linear-gradient(135deg, #0d9488, #0f766e); }
.resource-card-icon.grammar { background: linear-gradient(135deg, #2563eb, #1d4ed8); }
.resource-card-icon.literature { background: linear-gradient(135deg, #ea580c, #c2410c); }

.resource-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin: 0;
}

.resource-card-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-4);
    line-height: 1.5;
}

/* Tag Pills Container */
.pills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-6);
}

/* Topic Pills */
.topic-pill {
    padding: 0.5rem 0.85rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    background-color: var(--color-bg-base);
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
    cursor: pointer;
    text-align: left;
    display: flex;
    align-items: center;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.topic-pill::before {
    content: "\f105";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    margin-right: 0.5rem;
    color: var(--color-primary);
    transition: transform 0.2s ease;
}

.topic-pill:hover {
    background-color: rgba(79, 70, 229, 0.08);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.topic-pill:hover::before {
    transform: translateX(3px);
}

.topic-pill:focus-visible {
    outline: 3px solid var(--color-primary) !important;
    outline-offset: 1px;
}

/* Action Button */
.card-action-btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: var(--radius-lg);
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
    transition: background-color 0.2s, transform 0.2s;
    margin-top: auto; /* Push to bottom of flex container */
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.card-action-btn:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    color: white;
}

/* Empty State Styling */
.no-results-box {
    text-align: center;
    padding: var(--spacing-12) var(--spacing-6);
    background-color: var(--color-bg-surface);
    border-radius: var(--radius-2xl);
    border: 1px dashed var(--color-border);
    max-width: 500px;
    margin: var(--spacing-12) auto;
    box-shadow: var(--shadow-sm);
}

.no-results-icon {
    font-size: 3rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-4);
}

.no-results-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: var(--spacing-2);
}

.no-results-desc {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-6);
}

.reset-search-btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 700;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: background-color 0.2s;
    box-shadow: var(--shadow-sm);
}

.reset-search-btn:hover {
    background-color: var(--color-primary-hover);
}


/* Additional Gradients for Math, Science, Social */
.resource-card-icon.math { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.resource-card-icon.science { background: linear-gradient(135deg, #10b981, #059669); }
.resource-card-icon.social { background: linear-gradient(135deg, #f59e0b, #d97706); }
.resource-card-icon.practice { background: linear-gradient(135deg, #0d9488, #0f766e); }
.resource-card-icon.video { background: linear-gradient(135deg, #ef4444, #dc2626); }
.resource-card-icon.study { background: linear-gradient(135deg, #db2777, #be185d); }
.resource-card-icon.game { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }

/* =========================================================================
   Adaptive Math Generator Workbench
   ========================================================================= */
.math-generator-workbench {
    max-width: 960px;
    margin: 0 auto 3rem auto;
    background: var(--color-bg-surface, #ffffff);
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
    position: relative;
    overflow: hidden;
}

.math-generator-workbench::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #6366f1, #3b82f6, #06b6d4);
}

.mg-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.mg-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    background: rgba(99, 102, 241, 0.12);
    color: #4f46e5;
    margin-bottom: 0.5rem;
}

.mg-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-text-main, #0f172a);
    margin: 0 0 0.25rem 0;
    letter-spacing: -0.02em;
}

.mg-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-muted, #64748b);
    margin: 0;
    max-width: 580px;
    line-height: 1.5;
}

.mg-stats-panel {
    display: flex;
    gap: 0.75rem;
}

.mg-stat-box {
    background: var(--color-bg-base, #f8fafc);
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: 0.85rem;
    padding: 0.6rem 1rem;
    text-align: center;
    min-width: 80px;
}

.mg-stat-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted, #64748b);
}

.mg-stat-val {
    display: block;
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--color-text-main, #0f172a);
    margin-top: 0.15rem;
}

.mg-category-nav {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border, #e2e8f0);
}

.mg-cat-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.15rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 700;
    background: transparent;
    border: 1px solid var(--color-border, #e2e8f0);
    color: var(--color-text-muted, #64748b);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.mg-cat-btn:hover {
    color: #4f46e5;
    border-color: #4f46e5;
    background: rgba(99, 102, 241, 0.05);
}

.mg-cat-btn.active {
    background: #4f46e5;
    color: #ffffff;
    border-color: #4f46e5;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

.mg-stage-card {
    background: var(--color-bg-base, #f8fafc);
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: 1.25rem;
    padding: 1.75rem;
}

.mg-prompt-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.75rem;
    font-weight: 700;
}

.mg-standard-tag {
    color: #4f46e5;
    background: rgba(99, 102, 241, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
}

.mg-difficulty-tag {
    color: var(--color-text-muted, #64748b);
}

.mg-instruction {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--color-text-main, #0f172a);
    margin: 0 0 1rem 0;
}

.mg-equation-display {
    background: var(--color-bg-surface, #ffffff);
    border: 1.5px dashed var(--color-border, #cbd5e1);
    border-radius: 1rem;
    padding: 2rem 1.5rem;
    text-align: center;
    font-size: 1.6rem;
    color: var(--color-text-main, #0f172a);
    margin-bottom: 1.5rem;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: auto;
}

.mg-input-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mg-input-wrapper {
    display: flex;
    gap: 0.75rem;
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
}

.mg-answer-input {
    flex: 1;
    padding: 0.75rem 1.25rem;
    border-radius: 9999px;
    border: 1.5px solid var(--color-border, #cbd5e1);
    background: var(--color-bg-surface, #ffffff);
    color: var(--color-text-main, #0f172a);
    font-size: 1.05rem;
    font-weight: 700;
    outline: none;
    transition: all 0.2s ease;
}

.mg-answer-input:focus {
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.mg-btn-submit {
    background: linear-gradient(135deg, #4f46e5, #4338ca);
    color: #ffffff;
    font-weight: 800;
    font-size: 0.95rem;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.mg-btn-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.4);
}

.mg-btn-group {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.mg-btn-secondary {
    background: var(--color-bg-surface, #ffffff);
    border: 1px solid var(--color-border, #cbd5e1);
    color: var(--color-text-main, #0f172a);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.2s ease;
}

.mg-btn-secondary:hover {
    background: var(--color-bg-base, #f1f5f9);
    border-color: #94a3b8;
}

.mg-feedback-box {
    margin-top: 1.25rem;
    padding: 1rem 1.25rem;
    border-radius: 0.85rem;
    font-size: 0.95rem;
    font-weight: 700;
    animation: fadeIn 0.3s ease;
}

.mg-feedback-success {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #059669;
}

.mg-feedback-error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #dc2626;
}

.mg-solution-drawer {
    margin-top: 1.25rem;
    background: var(--color-bg-surface, #ffffff);
    border: 1px solid var(--color-border, #cbd5e1);
    border-radius: 1rem;
    padding: 1.25rem;
    animation: fadeIn 0.3s ease;
}

.mg-solution-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #4f46e5;
    margin-bottom: 0.75rem;
}

.mg-solution-body {
    font-size: 0.95rem;
    color: var(--color-text-main, #0f172a);
    line-height: 1.6;
}

/* =========================================================================
   ELA Grammar Mechanics Workshop
   ========================================================================= */
.grammar-workshop-workbench {
    max-width: 960px;
    margin: 0 auto 3rem auto;
    background: var(--color-bg-surface, #ffffff);
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.grammar-workshop-workbench::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ec4899, #8b5cf6, #3b82f6);
}

.gw-sentence-box {
    background: var(--color-bg-base, #f8fafc);
    border: 1.5px solid var(--color-border, #cbd5e1);
    border-radius: 1rem;
    padding: 1.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.8;
    color: var(--color-text-main, #0f172a);
    margin: 1.5rem 0;
    letter-spacing: 0.01em;
}

.gw-word-btn {
    background: none;
    border: 1px solid transparent;
    padding: 0.2rem 0.4rem;
    border-radius: 0.4rem;
    font-family: inherit;
    font-size: inherit;
    font-weight: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    color: inherit;
}

.gw-word-btn:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.4);
}

.gw-word-btn.selected {
    background: #4f46e5;
    color: #ffffff;
    border-color: #4f46e5;
}

.gw-pos-selector {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    justify-content: center;
    margin: 1.25rem 0;
}

.gw-pos-btn {
    background: var(--color-bg-base, #f1f5f9);
    border: 1px solid var(--color-border, #cbd5e1);
    padding: 0.45rem 1rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--color-text-main, #0f172a);
}

.gw-pos-btn:hover {
    background: #e0e7ff;
    color: #4338ca;
}

.gw-pos-btn.active {
    background: #4f46e5;
    color: #ffffff;
    border-color: #4f46e5;
}

/* ==========================================================================
   Hero Badges & Enhanced Card Visual Tokens
   ========================================================================== */
.resource-pill-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 1rem;
    border-radius: var(--radius-full, 9999px);
    background: rgba(79, 70, 229, 0.1);
    color: var(--color-primary, #4f46e5);
    border: 1px solid rgba(79, 70, 229, 0.25);
    font-size: 0.825rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

[data-theme="dark"] .resource-pill-badge,
.dark .resource-pill-badge {
    background: rgba(129, 140, 248, 0.15);
    color: #a5b4fc;
    border-color: rgba(129, 140, 248, 0.3);
}

/* ==========================================================================
   Grammar & Sentence Playground Workbench
   ========================================================================== */
.grammar-playground-workbench {
    max-width: 960px;
    margin: 4rem auto 2rem auto;
    background: var(--color-bg-surface, #ffffff);
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: 2rem;
    padding: 2.25rem;
    box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .grammar-playground-workbench,
.dark .grammar-playground-workbench {
    background: #1e293b;
    border-color: #334155;
    box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.3);
}

.grammar-playground-workbench::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #3b82f6, #10b981, #f59e0b, #ec4899, #8b5cf6);
}

.gp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-bottom: 1.75rem;
}

.gp-title-group {
    max-width: 720px;
}

.gp-title {
    margin: 0.35rem 0 0.5rem 0;
    font-size: 1.85rem;
    font-weight: 900;
    color: var(--color-text-main, #0f172a);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

[data-theme="dark"] .gp-title,
.dark .gp-title {
    color: #f8fafc;
}

.gp-desc {
    margin: 0;
    font-size: 0.95rem;
    color: var(--color-text-muted, #64748b);
    line-height: 1.6;
}

/* Presets Bar */
.gp-presets-wrap {
    margin-bottom: 1.25rem;
}

.gp-presets-label {
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted, #64748b);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.5rem;
}

.gp-presets-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.gp-preset-btn {
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full, 9999px);
    background: var(--color-bg-base, #f8fafc);
    border: 1px solid var(--color-border, #cbd5e1);
    color: var(--color-text-main, #0f172a);
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

[data-theme="dark"] .gp-preset-btn,
.dark .gp-preset-btn {
    background: #0f172a;
    border-color: #334155;
    color: #e2e8f0;
}

.gp-preset-btn:hover {
    border-color: var(--color-primary, #4f46e5);
    background: rgba(79, 70, 229, 0.08);
    color: var(--color-primary, #4f46e5);
    transform: translateY(-1px);
}

/* Input Sandbox */
.gp-input-card {
    background: var(--color-bg-base, #f8fafc);
    border: 1.5px solid var(--color-border, #cbd5e1);
    border-radius: 1.25rem;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.03);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

[data-theme="dark"] .gp-input-card,
.dark .gp-input-card {
    background: #0f172a;
    border-color: #334155;
}

.gp-input-card:focus-within {
    border-color: var(--color-primary, #4f46e5);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.gp-textarea {
    width: 100%;
    min-height: 85px;
    border: none;
    background: transparent;
    color: var(--color-text-main, #0f172a);
    font-family: inherit;
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.7;
    resize: vertical;
    outline: none;
    box-sizing: border-box;
}

[data-theme="dark"] .gp-textarea,
.dark .gp-textarea {
    color: #f8fafc;
}

.gp-input-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-border, #e2e8f0);
}

[data-theme="dark"] .gp-input-footer,
.dark .gp-input-footer {
    border-top-color: #334155;
}

.gp-counts {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-muted, #64748b);
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.gp-btn-analyze {
    padding: 0.65rem 1.35rem;
    border-radius: var(--radius-full, 9999px);
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 800;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    transition: all 0.2s ease;
    box-shadow: 0 3px 10px rgba(79, 70, 229, 0.35);
}

.gp-btn-analyze:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.45);
}

/* Playground Tabs Navigation */
.gp-tabs-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border, #e2e8f0);
    padding-bottom: 0.75rem;
}

[data-theme="dark"] .gp-tabs-nav,
.dark .gp-tabs-nav {
    border-bottom-color: #334155;
}

.gp-tab-btn {
    padding: 0.5rem 1.15rem;
    border-radius: var(--radius-lg, 0.75rem);
    background: transparent;
    border: 1px solid transparent;
    color: var(--color-text-muted, #64748b);
    font-size: 0.875rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.gp-tab-btn:hover {
    color: var(--color-text-main, #0f172a);
    background: var(--color-bg-base, #f8fafc);
}

[data-theme="dark"] .gp-tab-btn:hover,
.dark .gp-tab-btn:hover {
    background: #0f172a;
    color: #f8fafc;
}

.gp-tab-btn.active {
    background: rgba(79, 70, 229, 0.1);
    color: var(--color-primary, #4f46e5);
    border-color: rgba(79, 70, 229, 0.3);
}

[data-theme="dark"] .gp-tab-btn.active,
.dark .gp-tab-btn.active {
    background: rgba(129, 140, 248, 0.2);
    color: #a5b4fc;
    border-color: rgba(129, 140, 248, 0.4);
}

/* Colorizer Legend & Output */
.gp-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}

.gp-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm, 0.375rem);
    font-size: 0.75rem;
    font-weight: 800;
}

.gp-token-output {
    background: var(--color-bg-base, #f8fafc);
    border: 1px solid var(--color-border, #cbd5e1);
    border-radius: 1rem;
    padding: 1.5rem;
    font-size: 1.25rem;
    line-height: 2.2;
    min-height: 80px;
}

[data-theme="dark"] .gp-token-output,
.dark .gp-token-output {
    background: #0f172a;
    border-color: #334155;
}

.gp-word-chip {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    margin: 0.15rem 0.2rem;
    border-radius: 0.45rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid transparent;
}

.gp-word-chip:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Tooltip Card for clicked word */
.gp-word-tooltip {
    margin-top: 1rem;
    background: var(--color-bg-surface, #ffffff);
    border: 1.5px solid var(--color-border, #cbd5e1);
    border-radius: 0.85rem;
    padding: 1rem 1.25rem;
    animation: fadeIn 0.2s ease;
}

[data-theme="dark"] .gp-word-tooltip,
.dark .gp-word-tooltip {
    background: #1e293b;
    border-color: #334155;
}

/* Structure & Voice Badges */
.gp-structure-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

.gp-metric-card {
    background: var(--color-bg-base, #f8fafc);
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: 1rem;
    padding: 1.25rem;
}

[data-theme="dark"] .gp-metric-card,
.dark .gp-metric-card {
    background: #0f172a;
    border-color: #334155;
}

.gp-metric-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.gp-metric-title {
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted, #64748b);
}

.gp-metric-val {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--color-text-main, #0f172a);
}

[data-theme="dark"] .gp-metric-val,
.dark .gp-metric-val {
    color: #f8fafc;
}

.gp-metric-note {
    font-size: 0.85rem;
    color: var(--color-text-muted, #64748b);
    line-height: 1.5;
    margin-top: 0.35rem;
}

/* Diagnostics checklist */
.gp-diag-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.gp-diag-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    border-radius: 0.75rem;
    background: var(--color-bg-base, #f8fafc);
    border: 1px solid var(--color-border, #e2e8f0);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-main, #0f172a);
}

[data-theme="dark"] .gp-diag-item,
.dark .gp-diag-item {
    background: #0f172a;
    border-color: #334155;
    color: #f8fafc;
}

.gp-diag-pass {
    border-left: 4px solid #10b981;
}

.gp-diag-warn {
    border-left: 4px solid #f59e0b;
}

.gp-diag-info {
    border-left: 4px solid #3b82f6;
}