/* Universal Base Tool Styling */
.base-tool-wrapper {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    max-width: 900px;
    margin: 40px auto;
    overflow: hidden;
    font-family: var(--font-main);
}

.tabs {
    display: flex;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    flex: 1;
    padding: 16px 24px;
    border: none;
    background: transparent;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    color: var(--text-main);
    background: rgba(0,0,0,0.02);
}

.tab-btn.active {
    color: var(--primary);
    background: var(--bg-light);
    border-bottom: 3px solid var(--primary);
}

.tab-panel {
    display: none;
    padding: 32px;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.input-group, .calc-row {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.calc-row {
    align-items: flex-start;
}

.field {
    flex: 1;
    min-width: 220px;
    display: flex;
    flex-direction: column;
}

.operator-field {
    flex: 0.5;
    min-width: 120px;
}

.base-tool-wrapper label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.base-tool-wrapper input[type="text"],
.base-tool-wrapper input[type="number"],
.base-tool-wrapper select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-main);
    font-size: 1rem;
    color: var(--text-main);
    background: var(--bg-light);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.base-tool-wrapper input:focus,
.base-tool-wrapper select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(18, 68, 196, 0.1); /* Utilizes Hostinger Blue */
}

.hidden {
    display: none !important;
}

.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 24px; }

.custom-base-input {
    margin-top: 8px;
    border-left: 3px solid var(--primary) !important;
}

.result-box {
    background: var(--bg-alt);
    padding: 24px;
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
    margin-top: 32px;
}

.result-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    margin-bottom: 8px;
}

.result-value {
    font-family: 'Fira Code', 'Courier New', monospace; /* Inherited from code block styles */
    font-size: 1.5rem;
    color: var(--text-main);
    word-break: break-all;
    font-weight: 600;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .input-group, .calc-row { flex-direction: column; gap: 16px; }
    .tab-btn { padding: 12px; font-size: 0.9rem; }
    .tab-panel { padding: 20px; }
}