/* Variables globales */
:root {
    --primary-color: #232F3E;
    --secondary-color: #ff8f00;
    --success-color: #4caf50;
    --danger-color: #f44336;
    --background-color: #f5f5f5;
    --card-background: #ffffff;
    --text-color: #333333;
    --border-radius: 8px;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-color);
}

/* Header */
header {
    background-color: #232F3E;
    color: white;
    padding: 0.5rem 2rem;
}

.logo-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.5rem 0;
}

.logo-text {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text span {
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-img {
    width: 24px;
    height: 24px;
}

.subtitle {
    font-size: 0.85rem;
    opacity: 0.9;
    margin-top: 0.2rem;
}

/* Main content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Input container */
.input-container {
    background-color: var(--card-background);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--box-shadow);
}

textarea {
    width: 100%;
    min-height: 150px;
    padding: 1rem;
    margin: 1rem 0;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    resize: vertical;
    font-family: inherit;
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.button-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.primary-btn, .secondary-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.primary-btn {
    background-color: var(--secondary-color);
    color: black;
    flex: 2;
}

.secondary-btn {
    background-color: var(--card-background);
    border: 2px solid black;
    color: black;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.primary-btn:hover, .secondary-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

/* Results container */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0 2rem 0;
}

.stat-card {
    background-color: var(--card-background);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    display: block;
    margin-top: 0.5rem;
}

.positive .stat-number {
    color: var(--success-color);
}

.negative .stat-number {
    color: var(--danger-color);
}

/* Individual reviews */
.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.review-item {
    background-color: var(--card-background);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* Diferenciar reseñas positivas y negativas (maquetación) */
.review-item.positive {
    border: 1px solid rgba(76, 175, 80, 0.25);
    background-color: #f6fffa;
}
.review-item.negative {
    border: 1px solid rgba(244, 67, 54, 0.12);
    background-color: #fff6f6;
}

.review-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}
.review-index {
    background-color: #232f3e;
    color: white;
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 700;
}

.review-sentiment {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid rgba(0,0,0,0.04);
}
.review-item.positive .review-sentiment{
    background-color: rgb(200, 255, 200);
    border-color: rgb(0, 255, 8);
}
.review-item.negative .review-sentiment{
    background-color: rgb(255, 200, 200);
    border-color: rgb(255, 17, 0);
}

.sentiment-icon{
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}
.review-item.positive .sentiment-icon{
    background-color: rgba(76,175,80,0.08);
    color: var(--success-color);
}
.review-item.negative .sentiment-icon{
    background-color: rgba(244,67,54,0.06);
    color: var(--danger-color);
}

.sentiment-label .sentiment-sub{
    font-size: 0.85rem;
    color: #6b6b6b;
    margin-top: 0.25rem;
}

.review-text{
    padding: 0.75rem 0;
    color: #222;
}

.review-sentiment {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.sentiment-icon {
    font-size: 1.5rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
    background-color: var(--primary-color);
    color: white;
}

/* Responsive design */
@media (max-width: 768px) {
    .button-group {
        flex-direction: column;
    }

    .primary-btn, .secondary-btn {
        width: 100%;
    }

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

    .input-container, .results-container {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 0.5rem;
    }

    .logo-icon {
        font-size: 1.5rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    .subtitle {
        font-size: 0.9rem;
    }

    main {
        padding: 1rem;
    }
}