:root {
    --primary: #2e7d32;
    --primary-dark: #1b5e20;
    --bg-color: #f4f6f4;
    --card-bg: #ffffff;
    --text-color: #212121;
    --subtext-color: #666666;
    --border-color: #e0e0e0;
    --input-bg: #ffffff;
    --btn-tab-bg: #e0e0e0;
    --btn-tab-text: #333333;
    --border-radius: 8px;
}

/* Tema Oscuro Puro (Black & White) */
[data-theme="dark"] {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #ffffff;
    --subtext-color: #aaaaaa;
    --border-color: #333333;
    --input-bg: #2a2a2a;
    --btn-tab-bg: #2a2a2a;
    --btn-tab-text: #cccccc;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family:
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    transition:
        background-color 0.2s,
        color 0.2s;
}

.navbar {
    background-color: var(--primary);
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: bold;
}

.badge.online {
    background-color: #81c784;
    color: #1b5e20;
}

.badge.offline {
    background-color: #e57373;
    color: #b71c1c;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 1rem;
}

.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 1rem;
}

.tab-btn {
    flex: 1;
    padding: 10px;
    border: none;
    background-color: var(--btn-tab-bg);
    color: var(--btn-tab-text);
    border-radius: var(--border-radius);
    font-weight: bold;
    cursor: pointer;
    font-size: 0.85rem;
}

.tab-btn.active {
    background-color: var(--primary) !important;
    color: white !important;
}

.tab-content {
    display: none;
    background: var(--card-bg);
    padding: 1.2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.tab-content.active {
    display: block;
}

.subtitle {
    font-size: 0.9rem;
    color: var(--subtext-color);
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
}

.form-group input,
.filter-box input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    background-color: var(--input-bg);
    color: var(--text-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.btn-primary,
.btn-secondary {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-secondary {
    background-color: #455a64;
    color: white;
    margin-top: 8px;
}

.result-card {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    background-color: var(--bg-color);
    border-left: 5px solid var(--primary);
}

.hidden {
    display: none;
}

.price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.price-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.price-tag {
    font-size: 1.1rem;
    font-weight: bold;
    color: #2e7d32;
    margin-top: 2px;
}

[data-theme="dark"] .price-tag {
    color: #81c784;
}

.notes-list li {
    list-style: none;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}