* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-dark: #0a0e27;
    --bg-card: rgba(20, 25, 50, 0.6);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.1);
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --success: #10b981;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 40px;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.donate-btn {
    padding: 12px 28px;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.donate-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 50px;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* Generator Section */
.generator-section {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    backdrop-filter: blur(10px);
    margin-bottom: 50px;
}

.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--text-primary);
}

textarea, select, input[type="file"], input[type="text"] {
    width: 100%;
    padding: 15px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

textarea {
    resize: vertical;
}

textarea:focus, select:focus, input[type="text"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

input[type="file"] {
    cursor: pointer;
    padding: 12px;
}

input[type="file"]::file-selector-button {
    padding: 8px 16px;
    background: var(--accent);
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    font-weight: 500;
    margin-right: 10px;
    transition: background 0.3s ease;
}

input[type="file"]::file-selector-button:hover {
    background: var(--accent-hover);
}

.file-info {
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

input[type="text"]::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.upload-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* Generate Button */
.generate-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--accent) 0%, #8b5cf6 100%);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.generate-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

.generate-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 10px;
}

.generate-btn.loading .btn-text {
    opacity: 0.7;
}

.generate-btn.loading .btn-loader {
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Results Section */
.results-section {
    display: none;
    animation: fadeIn 0.5s ease;
}

.results-section.show {
    display: block;
}

.results-section h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 20px;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
}

.thumbnail-card {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.thumbnail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    border-color: var(--accent);
}

.thumbnail-card img {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 15px;
    display: block;
}

.download-btn {
    width: 100%;
    padding: 12px;
    background: var(--success);
    border: none;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background: #059669;
    transform: translateY(-2px);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Donate Page */
.donate-main {
    max-width: 900px;
    margin: 0 auto;
}

.donate-hero {
    text-align: center;
    margin-bottom: 50px;
}

.donate-hero h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.donate-hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.donate-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.donate-card {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.donate-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.donate-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.donate-card p {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.qr-container {
    margin: 25px 0;
}

.qr-code {
    max-width: 250px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
}

.download-qr-btn, .coffee-btn {
    padding: 12px 24px;
    background: var(--accent);
    border: none;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.download-qr-btn:hover, .coffee-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.coffee-icon {
    font-size: 4rem;
    margin: 25px 0;
}

.thank-you {
    text-align: center;
    padding: 30px;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.thank-you p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 0 20px;
    margin-top: 60px;
    border-top: 1px solid var(--border-color);
}

footer p {
    color: var(--text-secondary);
    margin-bottom: 5px;
}

footer p a {
    color: #a0aec0; /* White text */
    text-decoration: none; /* No underline or dash */
    transition: color 0.3s;
}

footer p a:hover {
    color: #f0f0f0; /* Slight color change on hover */
}


.powered a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

.powered a:hover {
    color: var(--accent-hover);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .generator-section {
        padding: 25px;
    }
    
    .upload-row {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .donate-options {
        grid-template-columns: 1fr;
    }
}


/* Pricing Section */
.pricing-section {
    padding: 80px 0;
    text-align: center;
}

.pricing-section h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.pricing-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 50px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--glass-bg);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 30px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--accent);
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.3);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.4);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.plan-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.plan-badge.popular {
    background: linear-gradient(135deg, var(--accent) 0%, #8b5cf6 100%);
    border-color: var(--accent);
    color: white;
}

.plan-badge.best-value {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-color: #10b981;
    color: white;
}

.pricing-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.price {
    margin-bottom: 10px;
}

.price .amount {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price .period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.savings {
    color: var(--success);
    font-weight: 600;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.features {
    list-style: none;
    padding: 0;
    margin: 30px 0;
    text-align: left;
}

.features li {
    padding: 12px 0;
    color: var(--text-secondary);
    font-size: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.features li:last-child {
    border-bottom: none;
}

.plan-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--accent) 0%, #8b5cf6 100%);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.plan-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.plan-btn.free-btn {
    background: var(--glass-bg);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

.plan-btn.free-btn:hover {
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

/* Disabled input styling */
input:disabled, select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--bg-dark);
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
}


/* Font Select Dropdown */
.font-select {
    font-size: 1rem;
}

.font-select option {
    padding: 10px;
    font-size: 1rem;
}


/* Text Customization Section */
.text-customization-section {
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    margin: 25px 0;
}

.text-customization-section h3 {
    color: var(--accent);
}

/* Color Input */
input[type="color"] {
    width: 100%;
    height: 50px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    background: var(--bg-card);
    padding: 5px;
}

input[type="color"]:hover {
    border-color: var(--accent);
}

/* Range Input */
input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: 5px;
    background: var(--bg-card);
    outline: none;
    border: 1px solid var(--border-color);
    margin: 10px 0;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: 2px solid white;
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: 2px solid white;
}

input[type="range"]:hover::-webkit-slider-thumb {
    background: var(--accent-hover);
}

input[type="range"]:hover::-moz-range-thumb {
    background: var(--accent-hover);
}

/* Button Group */
.button-group {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.style-btn {
    flex: 1;
    padding: 12px;
    background: var(--glass-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.style-btn:hover {
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.1);
}

.style-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

/* Value Display */
#opacityValue,
#fontSizeValue,
#lineSpacingValue,
#letterSpacingValue,
#bgOpacityValue {
    display: inline-block;
    margin-left: 10px;
    font-weight: 600;
    min-width: 50px;
}