/* Tool Hero Section - Required */
.tool-hero {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.hero-text {
    flex: 1;
    min-width: 260px;
}

.hero-text h1 {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 640px;
    margin-bottom: 1rem;
    margin-top: 0;
}

@media (max-width: 767px) {
    .hero-text h1 {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
    
    .hero-subtitle {
        font-size: clamp(1rem, 3vw, 1.125rem);
    }
}

/* API Key Generator Styles */
.api-key-generator {
    margin-top: 2rem;
    margin-bottom: 3rem;
}

.generator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.config-panel {
    background: #ffffff;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
}

.config-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f3f4f6;
}

.config-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    margin: 0 0 0.5rem 0;
}

.config-subtitle {
    font-size: 0.875rem;
    color: #6b7280;
    margin: 0;
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.config-card {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.config-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
}

.label-text {
    color: #374151;
}

.label-value {
    color: #3b82f6;
    font-weight: 700;
    font-size: 1rem;
}

.length-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #e5e7eb;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.length-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}

.length-slider::-webkit-slider-thumb:hover {
    background: #2563eb;
    transform: scale(1.1);
}

.length-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}

.length-slider::-moz-range-thumb:hover {
    background: #2563eb;
    transform: scale(1.1);
}

.length-hints {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #9ca3af;
    margin-top: 0.25rem;
}

.format-select,
.text-input,
.custom-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 0.875rem;
    color: #111827;
    background: #ffffff;
    transition: all 0.2s;
}

.format-select:focus,
.text-input:focus,
.custom-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: background 0.2s;
}

.checkbox-item:hover {
    background: #f9fafb;
}

.checkbox-item.checkbox-full {
    grid-column: 1 / -1;
}

.checkbox-input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #3b82f6;
}

.checkbox-label {
    font-size: 0.875rem;
    color: #374151;
    user-select: none;
}

.generate-btn {
    width: 100%;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #ffffff;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

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

.btn-icon {
    font-size: 1.25rem;
}

.output-panel {
    background: #ffffff;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
    position: sticky;
    top: 8rem;
    display: flex;
    flex-direction: column;
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f3f4f6;
}

.output-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    margin: 0;
}

.clear-btn {
    padding: 0.5rem 1rem;
    background: #ef4444;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.clear-btn:hover {
    background: #dc2626;
}

.output-content {
    flex: 1;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    text-align: center;
    color: #9ca3af;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-text {
    font-size: 0.875rem;
    margin: 0;
}

.key-item {
    background: #f9fafb;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
    position: relative;
    transition: all 0.2s;
}

.key-item:hover {
    border-color: #3b82f6;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.1);
}

.key-text {
    
    font-size: 0.875rem;
    color: #111827;
    word-break: break-all;
    margin: 0;
    padding-right: 4rem;
    line-height: 1.6;
}

.copy-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: #3b82f6;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: #2563eb;
}

.copy-btn.copied {
    background: #10b981;
}

.key-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid #f3f4f6;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-label {
    font-size: 0.75rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.stat-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: #3b82f6;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .generator-wrapper {
        grid-template-columns: 1fr;
    }

    .output-panel {
        position: static;
        max-height: none;
    }

    .output-content {
        max-height: 400px;
    }
}

@media (max-width: 768px) {
    .api-key-generator {
        margin-top: 1.5rem;
    }

    .config-panel,
    .output-panel {
        padding: 1.5rem;
    }

    .config-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .checkbox-grid {
        grid-template-columns: 1fr;
    }

    .config-title,
    .output-title {
        font-size: 1.25rem;
    }

    .key-stats {
        grid-template-columns: 1fr;
    }

    .output-content {
        max-height: 300px;
    }
}

@media (max-width: 480px) {
    .config-panel,
    .output-panel {
        padding: 1rem;
        border-radius: 12px;
    }

    .generate-btn {
        padding: 0.875rem 1.25rem;
        font-size: 0.9375rem;
    }

    .key-text {
        font-size: 0.75rem;
    }

    .copy-btn {
        padding: 0.375rem 0.5rem;
        font-size: 0.6875rem;
    }
}