/* ==========================================
   CSS Reset & Base Styles
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --color-primary: hsl(260, 60%, 55%);
    --color-primary-light: hsl(260, 60%, 65%);
    --color-primary-dark: hsl(260, 60%, 45%);
    --color-secondary: hsl(200, 70%, 50%);
    --color-secondary-light: hsl(200, 70%, 60%);
    --color-accent: hsl(45, 100%, 60%);
    --color-accent-glow: hsl(45, 100%, 70%);

    /* Dark Mode Colors */
    --color-bg: hsl(230, 20%, 10%);
    --color-bg-light: hsl(230, 18%, 15%);
    --color-bg-lighter: hsl(230, 16%, 20%);
    --color-surface: hsla(230, 20%, 18%, 0.6);
    --color-text: hsl(0, 0%, 95%);
    --color-text-secondary: hsl(0, 0%, 70%);
    --color-border: hsla(0, 0%, 100%, 0.1);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, hsl(35, 100%, 55%) 100%);
    --gradient-dark: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-light) 100%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(138, 101, 215, 0.4);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   Typography
   ========================================== */
html {
    /* Base font size: 16px on desktop, scales down to 14px on mobile */
    font-size: clamp(14px, 1.5vw, 16px);
}

body {
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    /* Uses the html base font size */
    line-height: 1.6;
    color: var(--color-text);
    background: var(--gradient-dark);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--color-text);
}

h3 {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text);
}

/* ==========================================
   Layout
   ========================================== */
.app-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

.app-header {
    text-align: center;
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-lg);
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-primary);
}

.logo svg {
    filter: drop-shadow(0 0 8px rgba(138, 101, 215, 0.5));
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.logo h1 {
    margin: 0;
}

.tagline {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    color: var(--color-text-secondary);
    font-weight: 300;
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1.5fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* ==========================================
   Sections
   ========================================== */
.section-header {
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    margin-bottom: var(--spacing-xs);
}

.section-subtitle {
    color: var(--color-text-secondary);
    font-size: clamp(0.85rem, 1.5vw, 0.95rem);
}

/* ==========================================
   Templates Section
   ========================================== */
.templates-section {
    background: var(--color-surface);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
}

.template-categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.category-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg-lighter);
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
    font-weight: 500;
    transition: all var(--transition-base);
    font-family: 'Outfit', sans-serif;
}

.category-btn:hover {
    background: var(--color-bg-light);
    border-color: var(--color-primary);
    color: var(--color-text);
    transform: translateY(-2px);
}

.category-btn.active {
    background: var(--gradient-primary);
    border-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(138, 101, 215, 0.3);
}

.templates-grid {
    display: grid;
    gap: var(--spacing-sm);
    max-height: 600px;
    overflow-y: auto;
    padding-right: var(--spacing-xs);
}

/* Custom Scrollbar */
.templates-grid::-webkit-scrollbar {
    width: 8px;
}

.templates-grid::-webkit-scrollbar-track {
    background: var(--color-bg-light);
    border-radius: 4px;
}

.templates-grid::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 4px;
}

.template-card {
    background: var(--color-bg-lighter);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.template-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.template-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.template-card:hover::before {
    transform: scaleX(1);
}

.template-card.active {
    background: var(--color-bg-light);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.template-card.active::before {
    transform: scaleX(1);
}

.template-card h4 {
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.template-card p {
    font-size: clamp(0.75rem, 1.3vw, 0.85rem);
    color: var(--color-text-secondary);
    margin: 0;
}

.template-badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--gradient-accent);
    color: var(--color-bg);
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-top: var(--spacing-xs);
    text-transform: uppercase;
}

/* ==========================================
   Customization Section
   ========================================== */
.customization-section {
    background: var(--color-surface);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
}

.customization-panels {
    display: grid;
    gap: var(--spacing-md);
    max-height: 600px;
    overflow-y: auto;
    padding-right: var(--spacing-xs);
}

.customization-panels::-webkit-scrollbar {
    width: 8px;
}

.customization-panels::-webkit-scrollbar-track {
    background: var(--color-bg-light);
    border-radius: 4px;
}

.customization-panels::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 4px;
}

.control-panel {
    background: var(--color-bg-lighter);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.control-panel h3 {
    font-size: clamp(1rem, 2vw, 1.1rem);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary-light);
}

.control-group {
    margin-bottom: var(--spacing-md);
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

label {
    display: block;
    font-size: clamp(0.85rem, 1.5vw, 0.9rem);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

/* Form Controls */
input[type="text"],
input[type="date"],
textarea,
select {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: 'Outfit', sans-serif;
    font-size: clamp(0.9rem, 1.5vw, 0.95rem);
    transition: all var(--transition-base);
}

input[type="text"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(138, 101, 215, 0.2);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

input[type="range"] {
    width: 100%;
    height: 6px;
    background: var(--color-bg);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--gradient-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(138, 101, 215, 0.4);
    transition: transform var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--gradient-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(138, 101, 215, 0.4);
}

input[type="color"] {
    width: 100%;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: var(--color-bg);
}

input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: var(--spacing-xs);
    cursor: pointer;
    accent-color: var(--color-primary);
}

.value-display {
    display: inline-block;
    margin-left: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--color-primary-light);
    font-weight: 600;
    min-width: 50px;
}

/* Text Lines Colors */
.text-lines-colors {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.text-line-color {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
}

.text-line-color label {
    flex: 1;
    margin: 0;
    font-size: 0.85rem;
}

.text-line-color input[type="color"] {
    width: 50px;
    height: 30px;
}

/* Border Layers */
.border-layer {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.border-layer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.border-layer-header h4 {
    font-size: 0.9rem;
    margin: 0;
    color: var(--color-primary-light);
}

.remove-border-btn {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    width: 24px;
    height: 24px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    padding: 0;
    font-size: 16px;
    line-height: 1;
}

.remove-border-btn:hover {
    background: rgba(211, 47, 47, 0.1);
    border-color: #d32f2f;
    color: #d32f2f;
}

.add-border-btn {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--color-bg-lighter);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: 'Outfit', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.add-border-btn:hover {
    background: var(--color-bg-light);
    border-color: var(--color-primary);
    color: var(--color-primary-light);
    transform: translateY(-2px);
}

.add-border-btn svg {
    stroke-width: 2;
}

/* Icon Grid */
.icon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
    gap: var(--spacing-xs);
}

.icon-btn {
    aspect-ratio: 1;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: var(--color-bg-light);
    border-color: var(--color-primary);
    transform: scale(1.1);
}

.icon-btn.active {
    background: var(--gradient-primary);
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(138, 101, 215, 0.4);
    color: white;
}

/* ==========================================
   Preview Section
   ========================================== */
.preview-section {
    background: var(--color-surface);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
}

.preview-container {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.1);
    min-height: 400px;
}

#stampCanvas {
    max-width: 100%;
    height: auto;
    display: block;
}

.export-controls {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.export-btn {
    flex: 1;
    min-width: 120px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.export-btn.primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 16px rgba(138, 101, 215, 0.3);
}

.export-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(138, 101, 215, 0.4);
}

.export-btn.secondary {
    background: var(--gradient-accent);
    color: var(--color-bg);
    box-shadow: 0 4px 16px rgba(255, 193, 7, 0.3);
}

.export-btn.secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 193, 7, 0.4);
}

.export-btn:not(.primary):not(.secondary) {
    background: var(--color-bg-lighter);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.export-btn:not(.primary):not(.secondary):hover {
    background: var(--color-bg-light);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.export-btn:active {
    transform: translateY(0);
}

.export-btn svg {
    stroke-width: 2;
}



/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr 1.5fr;
    }

    .templates-section {
        grid-column: 1 / -1;
    }

    .templates-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        max-height: 400px;
    }
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .control-row {
        grid-template-columns: 1fr;
    }

    .app-container {
        padding: var(--spacing-sm);
    }

    .app-header {
        padding: var(--spacing-lg) 0;
    }

    .export-controls {
        flex-direction: column;
    }

    .export-btn {
        min-width: 100%;
        padding: var(--spacing-md);
        font-size: 1rem;
    }

    /* Increase touch target sizes for mobile */
    .category-btn,
    .icon-btn,
    input[type="checkbox"] {
        min-height: 44px;
        min-width: 44px;
    }

    .category-btn {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    /* Better spacing for mobile */
    .templates-section,
    .customization-section,
    .preview-section {
        padding: var(--spacing-md);
    }

    .control-panel {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    /* Larger text inputs for mobile */
    input[type="text"],
    input[type="date"],
    textarea,
    select {
        font-size: 1rem; /* Prevent iOS zoom on focus */
        padding: var(--spacing-md);
    }

    textarea {
        min-height: 100px;
    }

    /* Ensure canvas scales properly */
    .preview-container {
        padding: var(--spacing-sm);
        min-height: 300px;
    }

    #stampCanvas {
        max-width: 100%;
        height: auto;
    }
}

/* ==========================================
   Animations
   ========================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.template-card,
.control-panel {
    animation: fadeIn var(--transition-slow) ease-out;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* ==========================================
   SEO Content Section
   ========================================== */
.seo-content {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.seo-inner {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.seo-hero {
    text-align: center;
}

.seo-hero h2 {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.seo-hero p {
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    color: var(--color-text-secondary);
    line-height: 1.8;
    max-width: 750px;
    margin: 0 auto;
}

/* Feature Cards */
.seo-features h3,
.seo-howto h3,
.seo-faq h3,
.seo-usecases h3 {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.seo-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.seo-feature-card {
    background: var(--color-surface);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.seo-feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.seo-feature-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.seo-feature-card h4 {
    font-size: 1.05rem;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-xs);
}

.seo-feature-card p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* How-To Steps */
.seo-howto {
    background: var(--color-surface);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.seo-steps {
    list-style: none;
    counter-reset: step-counter;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    padding: 0;
}

.seo-steps li {
    counter-increment: step-counter;
    position: relative;
    padding-left: 50px;
}

.seo-steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    color: white;
}

.seo-steps li strong {
    display: block;
    font-size: 1.05rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.seo-steps li p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin: 0;
}

/* FAQ Accordion */
.seo-faq {
    background: var(--color-surface);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq-item {
    background: var(--color-bg-lighter);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-primary);
}

.faq-item summary {
    padding: var(--spacing-md);
    cursor: pointer;
    font-weight: 600;
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    color: var(--color-text);
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    transition: color var(--transition-base);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--color-primary-light);
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.faq-item[open] summary::after {
    content: '-';
}

.faq-item[open] summary {
    color: var(--color-primary-light);
}

.faq-item p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
    margin: 0;
}

/* Keyword Tags */
.seo-usecases {
    text-align: center;
}

.usecase-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
}

.usecase-tags span {
    padding: 6px 14px;
    background: var(--color-bg-lighter);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    cursor: default;
}

.usecase-tags span:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-light);
    background: rgba(138, 101, 215, 0.1);
    transform: translateY(-2px);
}

/* Enhanced Footer */
.app-footer {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-brand {
    font-size: 1.1rem;
    color: var(--color-text);
}

.footer-content > p:nth-child(2) {
    font-size: 0.85rem;
    line-height: 1.7;
}

.footer-credit {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    opacity: 0.7;
}

@media (max-width: 768px) {
    .seo-features-grid {
        grid-template-columns: 1fr;
    }

    .seo-steps li {
        padding-left: 42px;
    }

    .seo-howto,
    .seo-faq {
        padding: var(--spacing-md);
    }
}