#goal-pace-converter {
    max-width: 520px;
    margin: 40px auto;
    padding: 0 16px;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

#goal-pace-converter .gpc-card {
    background: #fff;
    border-radius: 14px;
    padding: 22px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
}

#goal-pace-converter .gpc-title {
    margin: 0 0 6px;
    font-size: 22px;
    font-weight: 800;
    color: #111827;
}

#goal-pace-converter .gpc-subtitle {
    margin: 0 0 18px;
    font-size: 14px;
    line-height: 1.6;
    color: #6b7280;
}

#goal-pace-converter .gpc-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

#goal-pace-converter label {
    font-size: 14px;
    font-weight: 700;
    color: #374151;
}

#goal-pace-converter select {
    height: 46px;
    padding: 0 12px;
    font-size: 16px;
    border-radius: 10px;
    border: 1px solid #d1d5db;
    background: #fff;
    cursor: pointer;
}

#goal-pace-converter select:hover {
    background: #f9fafb;
}

#goal-pace-converter select:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

#goal-pace-converter .gpc-time-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

#goal-pace-converter .gpc-time-box {
    display: flex;
    flex-direction: column;
    gap: 6px;
    
}

#goal-pace-converter .gpc-time-label {
    font-size: 12px;
    color: #6b7280;
}

#goal-pace-converter input {
    height: 46px;
    padding: 0 12px;
    font-size: 16px;
    border-radius: 10px;
    border: 1px solid #d1d5db;
}

#goal-pace-converter input:hover {
    background: #f9fafb;
}

#goal-pace-converter input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

#goal-pace-converter .gpc-btn {
    width: 100%;
    height: 48px;
    border: 0;
    border-radius: 12px;
    background: #111827;
    color: #fff;
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
    transition: transform 120ms ease, opacity 120ms ease;
}

#goal-pace-converter .gpc-btn:hover {
    opacity: 0.92;
}

#goal-pace-converter .gpc-btn:active {
    transform: translateY(1px) scale(0.99);
}

#goal-pace-converter .gpc-output {
    margin-top: 16px;
    padding: 14px;
    border-radius: 12px;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
}

#goal-pace-converter .gpc-output-label {
    font-size: 12px;
    color: #6b7280;
    margin-bottom: 4px;
}

#goal-pace-converter .gpc-output-value {
    font-size: 28px;
    font-weight: 900;
    color: #111827;
}

#goal-pace-converter .gpc-output-note {
    margin-top: 6px;
    font-size: 13px;
    line-height: 1.5;
    color: #6b7280;
}

/* Desktop enhancement */
@media (min-width: 720px) {
    #goal-pace-converter .gpc-card {
        padding: 26px;
    }
}

/* input all same size */
.gpc-time-box input {
    width: 100%;
    box-sizing: border-box;
}

/* Navigation styling */

.tool-nav {
    max-width: 900px;
    margin: 0 auto 16px;
    padding: 12px 20px 0;
}

.tool-back {
    font-size: 0.9rem;
    color: #2563eb;
    text-decoration: none;
}

.tool-back:hover {
    text-decoration: underline;
}

/* --- Mobile overflow fix (WP themes often set input min-width) --- */
#goal-pace-converter .gpc-time-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

#goal-pace-converter .gpc-time-box {
    min-width: 0;
}

#goal-pace-converter input {
    min-width: 0;
    max-width: 100%;
    width: 100%;
}

/* Optional: slightly tighter spacing on small screens */
@media (max-width: 420px) {
    #goal-pace-converter .gpc-time-row {
        gap: 8px;
    }

    #goal-pace-converter input {
        padding: 0 10px;
    }
}