.word-counter-tool-container {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --bg-color: #ffffff;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: var(--text-primary);
    line-height: 1.5;
    margin: 20px 0;
}

.word-counter-tool-container .card-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.word-counter-tool-container .card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.word-counter-tool-container .input-container {
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.word-counter-tool-container .input-area {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 768px) {
    .word-counter-tool-container .input-area {
        flex-direction: row;
    }
}

.word-counter-tool-container .text-input {
    flex: 1;
    min-height: 200px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
    transition: var(--transition);
}

.word-counter-tool-container .text-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.word-counter-tool-container .button-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

@media (min-width: 768px) {
    .word-counter-tool-container .button-group {
        width: 150px;
    }
}

.word-counter-tool-container button {
    padding: 0.75rem 1rem;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 0.375rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.word-counter-tool-container button:hover {
    background-color: var(--primary-dark);
}

.word-counter-tool-container button.secondary {
    background-color: white;
    color: var(--primary);
    border: 1px solid var(--border-color);
}

.word-counter-tool-container button.secondary:hover {
    background-color: #f9fafb;
}

.word-counter-tool-container .stats-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .word-counter-tool-container .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .word-counter-tool-container .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.word-counter-tool-container .card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.word-counter-tool-container .card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.word-counter-tool-container .keyword-card {
    grid-column: 1 / -1;
}

.word-counter-tool-container table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.word-counter-tool-container th,
.word-counter-tool-container td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.word-counter-tool-container th {
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.word-counter-tool-container tr:last-child td {
    border-bottom: none;
}

.word-counter-tool-container .keyword {
    font-weight: 600;
}

.word-counter-tool-container .density {
    color: var(--text-secondary);
}