/**
 * Antennen-Längenrechner Tool Styles
 * Nutzt CSS-Variablen aus style.css für Konsistenz
 */

.ant-rechner {
    margin: 2rem 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

/* Tab-Navigation */
.ant-tabs {
    display: flex;
    border-bottom: 2px solid var(--border);
    background: var(--bg-hover, #f8f9fa);
}

.ant-tab {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: color 0.2s, border-color 0.2s;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    text-align: center;
}

.ant-tab:hover {
    color: var(--text);
}

.ant-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: var(--bg-card);
}

/* Eingabebereich */
.ant-inputs {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.ant-input-group {
    display: flex;
    flex-direction: column;
}

.ant-input-group label {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    color: var(--text-muted);
}

.ant-input-group input[type="number"],
.ant-input-group input[type="text"] {
    width: 100%;
    max-width: 280px;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    background: white;
    color: var(--text);
    transition: border-color 0.2s;
}

.ant-input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

/* Band-Presets */
.ant-band-presets {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.ant-preset-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.ant-preset-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.ant-preset-buttons button {
    padding: 0.35rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--bg-card);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text);
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.ant-preset-buttons button:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.ant-preset-buttons button.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* VF-Presets */
.ant-vf-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.4rem;
}

.ant-vf-presets button {
    padding: 0.3rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--bg-card);
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.ant-vf-presets button:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.ant-vf-presets button.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Ergebnis-Box */
.ant-result {
    margin: 0 1.5rem;
    padding: 1rem 1.25rem;
    background: var(--bg-highlight, #f0f7ff);
    border: 1px solid var(--primary);
    border-radius: var(--radius);
}

.ant-result-placeholder {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.9rem;
}

.ant-result-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.3rem 0;
}

.ant-result-row + .ant-result-row {
    border-top: 1px solid rgba(37, 99, 235, 0.1);
}

.ant-result-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.ant-result-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}

.ant-result-highlight .ant-result-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

/* Warnung (z.B. > 1000 MHz) */
.ant-warning {
    margin-top: 0.3rem;
    padding: 0.3rem 0.5rem;
    font-size: 0.8rem;
    color: #b45309;
    background: #fef3c7;
    border-radius: var(--radius);
}

/* Ergebnis-Value mit Copy-Button */
.ant-result-value-wrap {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
}

.ant-copy-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.85rem;
    padding: 0 0.15rem;
    line-height: 1;
    opacity: 0.4;
    transition: opacity 0.2s;
}

.ant-copy-btn:hover {
    opacity: 1;
}

/* Groundplane-Info */
.ant-result-info {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
    padding-top: 0.4rem;
    border-top: 1px solid rgba(37, 99, 235, 0.1);
}

/* Formel-Anzeige */
.ant-formel {
    margin: 0.75rem 1.5rem 0;
    background: var(--bg-hover, #f8f9fa);
    border-radius: var(--radius);
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    min-height: 1.5rem;
}

/* Praxis-Hinweis unter Ergebnis */
.ant-praxis {
    margin: 0.5rem 1.5rem 1.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
    .ant-tabs {
        flex-wrap: nowrap;
    }

    .ant-tab {
        padding: 0.6rem 0.5rem;
        font-size: 0.8rem;
    }

    .ant-inputs {
        padding: 1rem;
    }

    .ant-input-group input[type="number"],
    .ant-input-group input[type="text"] {
        max-width: 100%;
    }

    .ant-result {
        margin: 0 1rem;
    }

    .ant-formel {
        margin: 0.75rem 1rem 0;
    }

    .ant-praxis {
        margin: 0.5rem 1rem 1rem;
    }

    .ant-result-row {
        flex-direction: column;
        gap: 0.1rem;
    }

    .ant-result-highlight .ant-result-value {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .ant-tab {
        padding: 0.5rem 0.3rem;
        font-size: 0.75rem;
    }

    .ant-preset-buttons button {
        padding: 0.3rem 0.5rem;
        font-size: 0.75rem;
    }
}