:root {
    --color-primary: #059669;
    --color-secondary: #f0fdf4;
    --color-tertiary: #1f2937;
    --color-success: #3b82f6;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #06b6d4;

    --font-wordmark: "Lexend", sans-serif;
    --font-primary: "Montserrat", sans-serif;
    --font-secondary: "Lato", sans-serif;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

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

body {
    font-family: var(--font-secondary);
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-md);
    padding-top: 10vh;
}

.container {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-xl) var(--spacing-lg);
    max-width: 600px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

h1 {
    font-family: var(--font-wordmark);
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-size: 2rem;
    letter-spacing: 0.02em;
}

.language-selector {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    align-items: center;
    justify-content: center;
}

.language-group {
    flex: 0 0 auto;
}

.language-group label {
    display: none;
}

select {
    padding: 2px 4px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-family: var(--font-secondary);
    font-size: 0.875rem;
    background: white;
    cursor: pointer;
    transition: border-color 0.2s;
}

select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.1);
}

.arrow {
    font-size: 0.875rem;
    color: var(--color-primary);
    flex-shrink: 0;
    padding: 0 4px;
    font-family: var(--font-primary);
    font-weight: 500;
}

.textarea-wrapper {
    position: relative;
}

textarea {
    width: 100%;
    padding: var(--spacing-md);
    padding-right: 50px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-family: var(--font-secondary);
    font-size: 1rem;
    resize: vertical;
    min-height: 150px;
    transition: border-color 0.2s;
}

textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.1);
}

.quick-translate-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 36px;
    height: 36px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    margin: 0;
    padding: 0;
}

.quick-translate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(5, 150, 105, 0.4);
    background: #047857;
}

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

.quick-translate-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.quick-translate-btn.translating {
    animation: spin 1s linear infinite;
}

.helper-btn {
    position: absolute;
    top: 52px;
    right: var(--spacing-sm);
    width: 36px;
    height: 36px;
    background: var(--color-success);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, box-shadow 0.2s;
    margin: 0;
    padding: 0;
}

.helper-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
}

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

.helper-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.helper-btn.translating {
    animation: spin 1s linear infinite;
}

.preset-menu {
    position: absolute;
    top: 52px;
    right: 46px;
    background: white;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: none;
    z-index: 10;
    min-width: 40px;
}

.preset-menu.show {
    display: block;
}

.preset-item {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    font-family: var(--font-secondary);
    font-size: 0.875rem;
    color: var(--color-tertiary);
    transition: background 0.2s;
    text-align: center;
    font-weight: 600;
}

.preset-item:first-child {
    border-radius: 8px 8px 0 0;
}

.preset-item:last-child {
    border-radius: 0 0 8px 8px;
}

.preset-item:only-child {
    border-radius: 8px;
}

.preset-item:hover {
    background: var(--color-secondary);
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.output {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    padding-top: 40px;
    background: var(--color-secondary);
    border-radius: 8px;
    min-height: 60px;
    display: none;
    position: relative;
    border-left: 4px solid var(--color-primary);
}

.output.show {
    display: block;
}

.output-label {
    font-family: var(--font-primary);
    font-size: 0.75rem;
    text-transform: uppercase;
    color: #6b7280;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.output-text {
    font-family: var(--font-secondary);
    font-size: 1rem;
    color: var(--color-tertiary);
    line-height: 1.5;
}

.copy-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    opacity: 0.9;
}

.copy-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.4);
    opacity: 1;
    background: #047857;
}

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

.copy-btn.copied {
    background: var(--color-success);
}

.turnstile-container {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
    width: 100%;
    max-width: 600px;
}

.status {
    text-align: center;
    margin-top: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-secondary);
    font-size: 0.875rem;
    color: var(--color-primary);
    min-height: 18px;
}

.error {
    color: var(--color-error);
}

.success {
    color: var(--color-success);
}

.paste-btn {
    position: absolute;
    bottom: var(--spacing-sm);
    left: var(--spacing-sm);
    width: 36px;
    height: 36px;
    background: var(--color-info);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    margin: 0;
    padding: 0;
}

.paste-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(6, 182, 212, 0.4);
    background: #0891b2;
}

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

@media (max-width: 480px) {
    body {
        padding: var(--spacing-sm);
    }
    
    .container {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    h1 {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-md);
    }
    
    .language-selector {
        gap: var(--spacing-xs);
    }
    
    .language-group {
        width: auto;
    }
    
    .arrow {
        padding: 0 2px;
    }
    
    textarea {
        min-height: 120px;
    }
}